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\begin{center}
{Table~1. The fourth supplement to the catalogue of the periods of Ap 
stars.}
\end{center}
\small
\begin{tabular}{crclll}   \hline 
  & HD &  & other name & spectral type &   \\
  &  &  &  &  & proposed periodicities (in days) and references   \\
  & HR &  & var. star name & periodicity &   \\   \hline
  &  &  &  &  &   \\
  &    358 &   & $\alpha$~And & B9 MnHg & no var. $\ell$ Adelman et al. 
1994  \\
  &     15 & * & $\alpha$~And & 0.96 $\ell, s, v$ &   \\
  &  &  &  &  &   \\
  &   3322 &   & GC~722 & B8 HgMn & no var. $\ell$ Winzer 1974  \\
  &    149 & * & PY~And & 4.69 $\ell$ &   \\
  &  &  &  &  &   \\
  &   4778 &   & GC~999 & A1 CrSrEu & 2.5616 $m$ Leroy 1995   \\
  &    234 &   & GO~And & 2.562 $s, \ell, m$ &   \\
  &  &  &  &  &   \\
  &   5737 &   & $\alpha$~Scl & B6 He wk & 21.652$\pm$0.008 $\ell$ 
 Manfroid \& Renson 1994a   \\
  &    280 & * &        & 21.65 $s, m, \ell$ &   \\
  &  &  &  &  &   \\
  &   5797 &   & BD$+59^{o}$163 & A0 CrEuSr & 69.0(/67.5) ? $s$ 
 Iliev et al. 1992   \\
  &        &   & V551~Cas & 69? $\ell, s$ &   \\
  &  &  &  &  &   \\
 + &  6178 &   & $\sigma$~Scl & A2 V (p)? & 
2.36975$\pm$0.00020(/1.37675$\pm$0.00010/others) $\ell$  \\
  &    293 &   &      & 2.37: $\ell$ & ~~~~~~~Manfroid \& Renson 1994a  \\
  &  &  &  &  &   \\
  &   9996 &   & GC~1977 & A0 SiSrEu & 8000 : $\ell$ Adelman \& Pyper 
 1993  \\
  &    465 & * & GY~And & 8000 : $\ell$ &   \\
  &  &  &  &  &   \\
  &  12288 &   & BD$+68^{o}$144 & A2 CrSi & 34.79$\pm$0.12 m Mathys 
 et al. 1996   \\
  &        &   & V540~Cas & 35 $\ell, m$ &   \\
  &  &  &  &  &   \\
  &  12932 &   & BD$-19^{o}$384 & A5 SrEu &   \\
  &        &   & BN~Cet & 3.5 ? $\ell$ &   \\
  &  &  &  &  &   \\
  &  14392 &   & 63~And & B9 Si & 4.1920 $\ell$ Adelman et al. 1992  \\
  &    682 &   & PZ~And & 4.19 $\ell$ & 4.1890 $\ell$ Adelman \& Knox 
 1994   \\
  &  &  &  &  &   \\
  &  15089 &   & $\iota$~Cas A & A4 Sr & 1.74050 $v, s$ Jasi\'nski et al. 
 1981   \\
  &    707 & * & $\iota$~Cas & 1.74 $s, \ell, v$ &   \\
  &  &  &  &  &   \\
  &  18296 &   & 21 Per & A0 SiSr & 2.88422 $s$ Wehlau et al. 1991   \\
  &    873 & &  LT Per      & 2.884 $\ell, s, v, m$ & 2.88422 $s(UV)$ 
 Gonzales \& Artru 1993   \\
  &  &  &  &  &   \\
  &  19832 &   & 56 Ari & B8 Si & 0.727902 $\ell$ Adelman \& Fried 1993 \\
  &    954 &   & SX Ari & 0.72790 $\ell, s, v, m$ & 0.7278925 $\ell(UV)$ 
 Stepien \& Czechowski 1993   \\
  &        &   &        &  & 0.727895 $s$ Hatzes 1993   \\
  &  &  &  &  &   \\
  &  20629 &   & GC~3971 & A0 SiSrCr &   \\
  &        &   & XX~Ari  & 4.7 ? $\ell$ &   \\
  &  &  &  &  &   \\
  &  21699 &   & GC~4205 & B8 He wk Si & 2.49246 $\ell$ Vet\"{o} 1993  \\
  &   1063 & * & V396~Per & 2.49 $\ell, m, s$ &   \\
  &  &  &  &  &   \\
 + &  22316 &  & GC~4315 & B9 CrHgSi & 2.9761$\pm$0.0014 $m$ Hill \& 
 Blake 1996  \\
  &   1094 &  &  & 2.976 $m$ &    \\
  &  &  &  &  &   \\
  &  22470 &   & 20~Eri & B9 Si & 1.92893 $\ell$ Adelman \& Boyce 1995 \\
  &   1100 &   & EG~Eri & 1.929 $\ell, m$ &   \\
  &  &  &  &  &   \\
  &  24155 &   & GC~4643 & B9 Si & 2.53465$\pm$0.00015 $m$ Bohlender 
 et al. 1993   \\
  &   1194 &   & V766~Tau & 2.53 $\ell, m$ &   \\
  &  &  &  &  &   \\
  &  24712  &   & GC~4729 & A9 SrEuCr & 12.4610 $m$ Leroy 1995   \\
  &   1217  &  & DO~Eri & 12.46 $s, \ell, m$ & 12.4610$\pm$0.0011 $m$ 
Bagnulo et al. 1995  \\
  &  &  &  &  &   \\
  &  25823  &   & 41 Tau & B9 SrSi & 7.227424 $s$ Lanz et al. 1993   \\
  &   1268  & * & GS Tau & 7.2274 $\ell, m, v, s$ & 7.227424 $s(UV)$ 
 Gonzales \& Artru 1993   \\
  &  &  &  &  &   \\
\end{tabular}

\newpage
\normalsize
\begin{center}
{Table~1. Continued.}
\end{center}
\small
\begin{tabular}{crclll}   \hline
  & HD &   & other name & spectral type &   \\
  &  &  &  &  & proposed periodicities (in days) and references  \\
  & HR &   & var. star name & periodicity &   \\   \hline
  &  &  &  &  &   \\
  &  27295  &   & 53 Tau & B9 Mn & no var. $\ell$ Adelman 1993   \\
  &   1339  & * & V1024 Tau &  4.42 ? $\ell$ &    \\
  &  &  &  &  &   \\
  &  27309 &   & 56 Tau & A0 SiCr & 1.5688840$\pm$0.0000047 $\ell$ 
 North \& Adelman 1995 \\
  &   1341 &   & V724 Tau & 1.569 $\ell, s$ &    \\
  &  &  &  &  &   \\
  &  27962 &   & 68 Tau & A1-A4 Sr & no var. $v$ H\"{a}upl 1980  \\
  &   1389 & * & V776 Tau & 21.26 ? $\ell$ & no var. $\ell$ Adelman 
 1993 \\
  &  &  &  &  &   \\
  &  32549 &   & 11~Ori & B9 SiCr & 4.6398 $s$ Hatzes 1993   \\
  &   1638 &   & V1032~Ori & 4.64 $\ell, s$ &   \\
  &  &  &  &  &   \\
  &  32650 &   & GC~6288 & B9 Si & 2.73475 $\ell$ Adelman 1996a   \\
  &   1643 &   & BN~Cam & 2.735 $\ell$ &   \\
  &  &  &  &  &   \\
  &  34452 &   & GC~6497 & B9 Si & 2.466264$\pm$0.000050 $m$ Bohlender 
 et al. 1993   \\
  &   1732 &   & IQ~Aur & 2.466 $s, \ell, m$ &   \\
  &  &  &  &  &   \\
 + &  36485 &   & $\delta$~Ori B & B2 He & const. $m$ Bohlender et al. 
 1987   \\
  &   1851 & * &   & 1.708 $s, \ell, m$ & $\sim$1.5 $s$ Bohlender \& 
 Walker 1991   \\
  &  &  &  &  & 1.70785$\pm$0.00050 $\ell(IR), m$ Catalano \& Leone 
 1994a  \\
  &  &  &  &  &   \\
  &  37017 &   & GC 6932 & B2 He & 0.901175 $s$ Odell 1986   \\
  &   1890 & ** & V1046 Ori & 0.9012 $s, \ell, m$ & 0.901195 $\ell(IR)$ 
 Catalano \& Leone 1994a   \\
  &  &  &  &  &   \\
  &  37479 &   & $\sigma$~Ori E & B2 He & 1.19080 $s, \ell(IR)$ Groote 
 \& Hunger 1982   \\
  &   1932 & ** & V1030 Ori & 1.191 $\ell, s, m$ & 1.19081 $\ell(IR)$ 
 Catalano \& Leone 1994a   \\
  &  &  &  &  &   \\
  &  37776 &   & BD$-1^{o}$1005 & B3 He & 1.53869 $\ell(IR)$ Catalano 
 \& Leone 1994a   \\
  &    &   & V901~Ori & 1.539 $\ell, s, m, v$ &   \\
  &  &  &  &  &   \\
  &  37808 &   & GC 7095 & B9 Si & 1.09909$\pm$0.00003 $\ell, s$ Leone et 
 al. 1993   \\
  &   1957 &   & V1051 Ori & 1.0991 $\ell, s$ &  \\
  &  &  &  &  &   \\
  &  40312 &   & $\theta$~Aur A & A0 Si & 3.6188$\pm$0.0001 $\ell$ 
 Adelman 1996a \\
  &   2095 & * & $\theta$~Aur & 3.619 $\ell, m, s$ &   \\
  &  &  &  &  &   \\
  &  47152 &   & 53~Aur & A0 EuCrHg &   \\
  &   2425 & ** &  & 2.8? $\ell$ &   \\
  &  &  &  &  &   \\
  &  49333 &   & 12~CMa & B7 He wk Si & 2.18010$\pm$0.00020 $m$ Bohlender 
 et al. 1993   \\
  &   2509 &   & HK~CMa & 2.180 $s, \ell, m$ & 2.179232$\pm$0.000009 
$\ell$ Catalano \& Leone 1996   \\
  &  &  &  &  &   \\
  &  49976 &   & GC~8955 & A1 SrCrEu & 2.97666$\pm$0.00008 $\ell$ 
Catalano \& Leone 1994b   \\
  &   2534 &   & V592~Mon & 2.9867 $s, \ell, m, v$ &   \\
  &  &  &  &  &   \\
  &  54118 &   & 27G.~Car & A0 Si & 3.27533$\pm$0.00020 $m$ Bohlender 
 et al. 1993   \\
  &   2683 &   & V386~Car & 3.275 $m, \ell$ & 3.27535$\pm$0.00010 $\ell$ 
Manfroid \& Renson 1994a  \\
  &  &  &  &  &   \\
  &  58260 &   & GC~9873 & B3 He & 1.4876$\pm$0.0010 $\ell(IR), m$ 
 Catalano \& Leone 1994a   \\
  &    &   &   & 1.49: $s, \ell, m$ & no var. $\ell$ Kilkenny et al. 
 1994   \\
  &  &  &  &  &   \\
 + &  60344 &  & CoD$-23^{o}$5673 & B5 He & 1.8276$\pm$0.0010 $\ell(IR)$ 
 Catalano \& Leone 1994a   \\
  &        &   &         & 1.83 $\ell$ &   \\
  &  &  &  &  &   \\
  &  62140 &   & 49~Cam & A8 SrEu & 4.2866$\pm$0.0005 $m$ Leroy 
 et al. 1995a   \\
  &   2977 &   & BC~Cam & 4.287 $m, s, \ell$ & 4.2867 $m$ Leroy 
 1995   \\
  &  &  &  &  & 4.2867$\pm$0.0004 $m$ Leroy et al. 1995b  \\
  &  &  &  &  & 4.28679$\pm$0.00005 $\ell$ Adelman 1996a  \\
  &  &  &  &  &   \\
\end{tabular}

\newpage
\normalsize
\begin{center}
{Table~1. Continued.}
\end{center}
\small
\begin{tabular}{crclll}   \hline
  & HD &   & other name & spectral type &   \\
  &  &  &  &  & proposed periodicities (in days) and references  \\
  & HR &   & var. star name & periodicity &   \\   \hline
  &  &  &  &  &   \\
  &  64740 &   & 216G.~Pup & B2 He & 1.33026 $\ell(IR)$ Catalano \& 
 Leone 1994a   \\
  &   3089 &   &           & 1.330 $s, m, \ell$ &   \\
  &  &  &  &  &   \\
  &  65339 &   & 53~Cam & A3 SrEuCr & 8.0278 $m$ Kemp \& Wolstencroft 
 1974  \\
  &   3109 & * & AX~Cam & 8.027 $m, \ell, s$ & 8.0267 $m$ Leroy 
 et al. 1993   \\
  &  &  &  &  & 8.0269 $m$ Leroy 1995   \\
  &  &  &  &  &   \\
  &  68826 &   & CoD$-48^{o}$3586 & B9 Si & 1.584748$\pm$0.000005 
$\ell(ecl.)$ Clausen et al. 1995  \\
  &        & * & AO~Vel & 1.5847 $\ell$ &   \\
  &  &  &  &  &   \\
  &  71866 &   & GC~11639 & A1 EuSrSi & 6.8 $m$ Tuominen \& Piirola 
 1978   \\
  &        &   & TZ~Lyn & 6.800 $m, \ell$ & 6.80001 $m$ Tuominen \& 
 Piirola 1981   \\
  &  &  &  &  & 6.8005 $m$ Leroy et al. 1993   \\
  &  &  &  &  & 6.80054 $m$ Leroy 1995   \\
  &  &  &  &  & 6.80022$\pm$0.00006 $m$ Bagnulo et al. 1995  \\
  &  &  &  &  &   \\
  &  73340 &   & 47G.~Vel & B9 Si & 2.66753$\pm$0.00025 $m$ Bohlender 
 et al. 1993   \\
  &   3413 &   & HV~Vel & 2.6676 $\ell, s, m$ &   \\
  &  &  &  &  &   \\
  & 74196 &   & 55G.~Vel & B7 He wk & no var. $\ell$ Catalano \& Leone 
 1996   \\
  &  3448 &   &    & 0.39 ? $\ell, m$ &     \\
  &  &  &  &  &   \\
  &  79158 &   & 36~Lyn & B9 He wk & 3.83483 $m$ Bohlender 1994   \\
  &   3652 &   &   & 3.835 $m, s$ &   \\
  &  &  &  &  &   \\
  &  80316 &   & BD$-19^{o}$2674 & A3 SrEu & 2.0886: $m$ Leroy 
 1995   \\
  &        &   & LX~Hya & 2.08 $\ell$ &   \\
  &  &  &  &  &   \\
  &  81009 &   & GC~12936 & A3 CrSrEu & 33.984$\pm$0.002 $\ell$ Adelman 
 1996a   \\
  &   3724 & * & KU~Hya & 34.0 $\ell, m$ & 33.96$\pm$0.02 $m$ Mathys 
 et al. 1996  \\
  &  &  &  &  &   \\
  &  83368 &   & GC~13284 & A8 SrCrEu & 2.851982 $\ell$ Catalano \& 
 Leone 1994b   \\
  &   3831 & * & IM~Vel & 2.85198 $\ell, m$ & 2.851982 $m$ Mathys 1994  \\
  &  &  &  &  &   \\
 + &  84041 &   & CoD$-28^{o}$7536 & A5 SrEu & 3.69$\pm$0.01 $\ell$ 
 Martinez et al. 1993   \\
  &        & * & AI~Ant  & 3.7 $\ell$ &   \\
  &  &  &  &  &   \\
  &  89822 &   & 30H.~UMa & A0 SiHgSr & no var. $\ell$ Adelman 1993  \\
  &   4072 & * & ET~UMa & var.? $\ell$ & no var. with P = 7.56 $\ell$ 
 Zboril \& Budaj 1993   \\
  &  &  &  &  &   \\
  &  90044 &   & 25~Sex & B9 SiCrSr & 4.37900$\pm$0.00004 $\ell$ 
 Manfroid \& Renson 1994a   \\
  &   4082 &   & SS~Sex & 4.3790 $\ell$ &    \\
  &  &  &  &  &   \\
  &  92664 &   & 217G.~Car & B9 Si & 1.67315$\pm$0.00010 $m$ Bohlender 
 et al. 1993   \\
  &   4185 &   & V364~Car & 1.673 $\ell, m, s$ & 1.6731 $s$ Lanz et al. 
1993   \\
  &  &  &  &  &   \\
 + &  93507 &   & CpD$-67^{o}1494$ & A0 SiCr & 556$\pm$22 $m$ Mathys et 
 al. 1996   \\
  &    &  &  & 550: $m$ &   \\
  &  &  &  &  &   \\
 + &  94660 &  & 235G.~Vel & A0 EuCrSi & no var. during 8~d $\ell$ 
 Heck et al. 1976  \\
  &  4263 &  & KQ~Vel & long $\ell$ & no var. during 9~d $\ell$ Renson 
 \& Manfroid 1978  \\
  &  &  &  &  & long $\ell$ Hensberge et al. 1981   \\
  &  &  &  &  & long $\ell$ Hensberge et al. 1984   \\
  &  &  &  &  & $\sim$2700 ? $\ell$ Hensberge 1993   \\
  &  &  &  &  &   \\
  &  96707 &   & GC~15332 & A8 Sr & 0.92834 $\ell$ Zverko \& 
 \u{Z}i\u{z}\u{n}ovsk\'{y} 1991  \\
  &   4330 &   & EP~UMa & 0.928 $\ell$ &    \\
  &  &  &  &  &   \\
  &  98088 &   & GC~15514 & A8 SrCrEu & 5.905130 $\ell$ Catalano \& 
 Leone 1994b   \\
  &   4369 & * & SV~Crt & 5.9051 $v, m, s, \ell$ & 5.90513 $m$ 
 Leroy 1995   \\
  &  &  &  &  &   \\
\end{tabular}

\newpage
\normalsize
\begin{center}
{Table~1. Continued.}
\end{center}
\small
\begin{tabular}{crclll}   \hline
  & HD &  & other name & spectral type &   \\
  &  &  &  &  & proposed periodicities (in days) and references   \\
  & HR &  & var. star name & periodicity &   \\   \hline
  &  &  &  &  &   \\
  & 103192 &   & $\beta$~Hya & B9 SiCrSr & 2.35666$\pm$0.00002 $\ell$ 
 Manfroid \& Renson 1994a   \\
  &   4552 & * & $\beta$~Hya & 2.3567 $\ell$ &   \\
  &  &  &  &  &   \\
 + & 103789 &  & GC~16344 & A0 p ? & 0.675 $\ell$ Mathys et al. 1986  \\
  &  4571 &  & LV~Hya & 0.68 $\ell$ &   \\
  &  &  &  &  &   \\
  & 108662 &   & 17~Com~A & A0 SrCrSi & 5.0808 $m, s$ Rice \& Wehlau 
 1994b   \\
  &   4752 & * & AI~Com & 5.08 $\ell, m, s$ & 5.0633 $m$ Leroy 
 1995   \\
  &  &  &  &  &   \\
  & 111133 &   & GC~17366 & A1 SrCrEu & 16.3047$\pm$0.0020 $\ell$ 
 Adelman et al. 1992   \\
  &   4854 &   & EP~Vir & 16.307 $\ell, m, s, v$ & 16.48281$\pm$0.00040 
 $\ell$ Catalano \& Leone 1994b   \\
  &  &  &  &  & 16.30720$\pm$0.00032 $\ell$ North \& Adelman 1995  \\
  &  &  &  &  &   \\
  & 112185 &   & $\epsilon$~UMa & A1 CrEuMn & 5.0887 $s$ Woszczyk \& 
 Michalowski 1981   \\
  &   4905 &   & $\epsilon$~UMa & 5.089 $v,\ell, s, m$ & 5.0887 $s$ 
 Totochava \& Khokhlova 1991   \\
  &  &  &  &  &   \\
  & 112381 &   & GC~17563 & A0 SiCr & 2.84$\pm$0.04 $m$ Bohlender 
 et al. 1993   \\
  &        &   & V823~Cen & 2.8 $\ell, m$ &   \\
  &  &  &  &  &   \\
  & 112413 &   & $\alpha^{2}$~CVn & A0 EuSiCr & 5.46939 $m$ Kemp \& 
Wolstencroft 1974   \\
  &   4915 & * & $\alpha^{2}$~CVn & 5.4693 $s, v, \ell, m$ & 5.46939 $m$ 
 Romanyuk 1991   \\
  &  &  &  &  &   \\
  & 115708 &   & BD$+27^{o}$2234 & A3 SrEu & 5.554(/5.077) $m$ Leroy 
 et al. 1993   \\
  &  &  & HH~Com & 5.08 $\ell, m$ & 5.0762 $m$ Leroy 1995   \\
  &  &  &  &  & 5.07622$\pm$0.0004 $m$ Wade et al. 1996   \\
  &  &  &  &  &   \\
 + & 116458 &   & 67G.~Mus & A0 SiEuCr & var. ? $m$ Wood \& Campusano 
 1975  \\
  &   5049 & * &   & 148 $m, \ell$ & 70.651 $v$ Wood et al. 1977   \\
  &  &  &  &  & no var. $\ell$, 70.651 $v$ Maitzen \& Wood 1977   \\
  &  &  &  &  & var. ? $s$ Dworetsky et al. 1980   \\
  &  &  &  &  & 147.9$\pm$0.6 $\ell$ Hensberge 1993   \\
  &  &  &  &  &   \\
  & 118022 &   & 78~Vir & A2 CrEuSr & 3.722084$\pm$0.000042 $\ell$ 
 Catalano \& Leone 1994b   \\
  &   5105 &   & CW~Vir & 3.7221 $\ell, m, v, s$ & 3.7220 $m$ 
 Leroy 1995   \\
  &  &  &  &  &   \\
  & 119213 &   & GC~18496 & A3 SrCr & 2.4499086$\pm$0.0000047 $\ell$ 
 Jetsu et al. 1992   \\
  &   5153 &   & CQ~UMa & 2.44991 $\ell, s, m$ & 2.4499141$\pm$0.0000038 
$\ell$ \u{Z}i\u{z}\u{n}ovsk\'{y} \& Mikul\'{a}\u{s}ek 1995   \\
  &  &  &  &  &   \\
  & 119419 &   & GC~18555 & A0 SiCrEu & 2.6012$\pm$0.0010 $m$ Bohlender 
 et al. 1993   \\
  &   5158 &   & V827~Cen & 2.601 $\ell, m, s$ &   \\
  &  &  &  &  &   \\
  & 120198 &   & 84~UMa & A0 CrEu & 1.380682 $s, \ell$ Rice \& Wehlau 
 1994a   \\
  &   5187 &  & CR~UMa & 1.3807 $\ell, s$ &   \\
  &  &  &  &  &   \\
 + & 121276 &  & CoD$-51^{o}$7839 & A0 SiCr & 6.514628 $\ell(ecl.)$ 
 North \& Richard 1995   \\
  &        &  &      & 6.5146 $\ell$ &   \\
  &  &  &  &  &   \\
  & 122532 &   & 307G.~Cen & B9 Si & 3.6807$\pm$0.0001 $m$ Bohlender 
 et al. 1993   \\
  &   5269 &   & V828~Cen & 3.681 $\ell, m, s$ &   \\
  &  &  &  &  &   \\
  & 123515 &  & 320G.~Cen & B8 Si? & 1.4594+1.5168+1.3725+2.1818 $\ell$  \\
  &   5296 &  & V869~Cen & 1.5 $\ell$ & ~~~~~Waelkens 1993  \\
  &  &  &  &  &   \\
  & 124224 &   & GC~19157 & B9 Si & 0.5206800$\pm$0.0000005 $\ell$ 
 Adelman et al. 1992   \\
  &   5313 &   & CU~Vir & 0.52068 $s, v, \ell, m$ & 0.520675 $s$ Hatzes 
 1993  \\
  &  &  &  &  &   \\
  & 125248 &   & 236G.~Vir & A1 EuCr & 9.2954 $s$ Mathys 1994  \\
  &   5355 &   & CS~Vir & 9.295 $s, m, \ell, v$ &   \\
  &  &  &  &  &   \\
  & 125823 &   & $a$~Cen & B5 He wk & 8.817744$\pm$0.000019 $\ell$ 
 Catalano \& Leone 1996   \\
  &   5378 &   & V761~Cen & 8.8177 $s, v, \ell, m$ &   \\
  &  &  &  &  &   \\
\end{tabular}

\newpage
\normalsize
\begin{center}
{Table~1. Continued.}
\end{center}
\small
\begin{tabular}{crclll}   \hline
  & HD & & other name & spectral type &   \\
  &  &  &  &  & proposed periodicities (in days) and references  \\
  & HR &  & var. star name & periodicity &   \\   \hline
  &  &  &  &  &   \\
  & 126515 &   & GC~19462 & A2 SrCr & 129.99$\pm$0.04 $\ell$ North \& 
Adelman 1995   \\
  &        &   & FF~Vir & 130 $m, s, \ell$ & 129.95$\pm$0.02 $m$ Mathys 
 et al. 1996   \\
  &  &  &  &  &   \\
  & 128898 &   & $\alpha$~Cir & F0 Sr & 0.995350$\pm$0.000005 ? $\ell$ 
 Kurtz et al. 1993   \\
  &   5463 & * & $\alpha$~Cir & 4.479 $v, s, \ell, m$ & 4.4790$\pm$0.0001 
 $\ell$ Kurtz et al. 1994   \\
  &  &  &  &  &   \\
  & 133652 &   & GC~20303 & B9 Si & var. ? $s$ Bonsack 1974   \\
  &   5619 &   & HZ~Lup   & 2.304 $\ell, m$ & 2.3040$\pm$0.0003 $m$ 
 Bohlender et al. 1993   \\
  &  &  &  &  &   \\
  & 133880 &   & 56G.~Lup & B9 Si & 4--5 : $m$ Borra \& Landstreet 1975 \\
  &   5624 &   & HR~Lup   & 0.8775 $m, \ell$ &   \\
  &  &  &  &  &   \\
  & 134214 &   & GC~20368 & F2 SrEuCr & 248: $\ell$ Kreidl et al. 1994 \\
  &        &   & HI~Lib & 248: $\ell$ &   \\
  &  &  &  &  &   \\
  & 137509 &   & GC~20810 & B9 SiCrFe & 4.4920 $m, s$ Mathys 1994  \\
  &   &   & NN~Aps & 4.49 $m, \ell, s$ &   \\
  &  &  &  &  &   \\
  & 137909 & & $\beta$~CrB & A9 SrEuCr & 18.487 $m$ Romanyuk 1991   \\
  &   5747 & * & $\beta$~CrB & 18.487 $m, v, \ell, s$ & 18.487 $\ell$ 
 Adelman et  al. 1992   \\
  &  &  &  &  & 18.487 $m$ Leroy et al. 1993   \\
  &  &  &  &  & 18.4868 $m$ Leroy 1995   \\
  &  &  &  &  &   \\
  & 140160 &   & $\chi$~Ser & A1 Sr & 1.59583 $\ell$ Adelman et 
 al. 1992   \\
  &   5843 &   & $\chi$~Ser & 1.596 $s, \ell$ &   \\
  &  &  &  &  &   \\
 + & 142070 &  & BD$-0^{o}3026$ & A0 SrCrEu & 3.3737$\pm$0.0011 $m$ 
 Mathys et al. 1996   \\
  &   &   &   & 3.37 $m$ &   \\
  &  &  &  &  &   \\
  & 142990 &   & GC~21442 & B8 He wk & 
 0.985$\pm$0.006(/0.982920$\pm$0.000020) $m$ Bohlender et al. 1993   \\
  &   5942 &   & V913~Sco & 0.9791 $s, \ell, m$ & 0.979070$\pm$0.000011 
 $\ell$ Catalano \& Leone 1996   \\
  &  &  &  &  &   \\
  & 143654 &   & CoD$-51^{o}9739$ & A0 (EuCrSr) ? & 8.524406 $\ell(ecl.)$ 
 North \& Burnet 1994   \\
  &   & * & TV~Nor & 8.5244 $\ell$ &   \\
  &  &  &  &  &   \\
  & 144334 &   & 19G.~Sco & B8 He wk & 1.494971 $\ell$ Catalano \& 
 Leone 1996   \\
  &   5988 &   & V929~Sco & 1.495 $\ell, m$ &   \\
  &  &  &  &  &   \\
 + & 144667 &   & GC~21680 & A0 He wk & 2.028: $\ell$ Kurtz \& Marang 
 1995   \\
  &   6000 & * &        & 2: $\ell$ &   \\
  &  &  &  &  &   \\
 + & 144897 &   & CoD$-40^{o}10236$ & B8 EuCr & 48.43$\pm$0.14 $m$ Mathys 
 et al. 1996   \\
  &   &   &   & 48 $m$ &   \\
  &  &  &  &  &   \\
  & 147010 &   & GC~21960 & B9 SiCrSr & 3.9210 $\ell$ Adelman et 
 al. 1992   \\
  &   &   & V933~Sco & 3.9207 $s, \ell, m$ & 3.92076 $m$ Mathys 1994  \\
  &  &  &  &  &   \\
  & 148199 &   & GC~22126 & B9 SiFeCr & 
 7.8$\pm$0.6(/7.7255:/1.165$\pm$0.015) $m$   \\
  &     &   &     & 7.9 $m, \ell$ & ~~~~~Bohlender et al. 1993  \\
  &  &  &  &  &   \\
  & 151965 &   & GC~22693 & B9 Si & 1.60841 $m$ Bohlender et al. 1993  \\
  &        &   & V911~Sco & 1.6084 $\ell, m$ &   \\
  &  &  &  &  &   \\
  & 152107 &   & 52~Her & A3 SrCrEu & 3.8575 ? $\ell$ Adelman et al. 
 1992   \\
  &   6254 &   & V637~Her & 3.857? $m, \ell, s, v$ & 
 70.67148/2.6343(/0.92578) $m$ Bychkov et al. 1992   \\
  &  &  &  &  & 3.8575 $m$ Leroy 1995   \\
  &  &  &  &  &   \\
  & 153882 &   & GC~22960 & A1 CrEu & 6.00890$\pm$0.00015 $\ell$ 
 Catalano \& Leone 1994b   \\
  &   6326 & * & V451~Her & 6.0089 $m, v, \ell, s$ &   \\
  &  &  &  &  &   \\
\end{tabular}

\newpage
\normalsize
\begin{center}
{Table~1. Continued.}
\end{center}
\small
\begin{tabular}{crclll}   \hline
  & HD &  & other name & spectral type &   \\
  &  &  &  &  & proposed periodicities (in days) and references   \\
  & HR &  & var. star name & periodicity &   \\   \hline
  &  &  &  &  &   \\
  & 153947 &   & CoD$-37^{o}11215$ & B9 Si & 2.6633$\pm$0.0001 (or nearby 
value) $\ell$   \\
  &        &   & V974~Sco & 2.66 $\ell$ & ~~~~~Poretti 1992   \\
  &  &  &  &  &   \\
  & 159376 &   & 52~Oph & B9 Si & 9.73830$\pm$0.00010 $\ell$ 
 Manfroid \& Renson 1994a   \\
  &   6545 &   & V2125~Oph & 9.738 $\ell$ &   \\
  &  &  &  &  &   \\
  & 164258 &   & GC~24499 & A3 SrCrEu & 0.829$\pm$0.005 $\ell$ Catalano 
 \& Leone 1994b   \\
  &   6709 &   & V2126~Oph & 0.83 $\ell$ &   \\
  &  &  &  &  &   \\
 + & 165474 &   & BD$+12^{o}3382$ & A7 SrCrEu & 23.38: $m$ Leroy 
 1995   \\
  &   & * &   & 23.4? $m$ &   \\
  &  &  &  &  &   \\
  & 166596 &   & 3G.~CrA & B3 Si & 1.67 $\ell$ Hirata et al. 1987   \\
  &   6804 &   & V692~CrA & 1.7 $\ell$ &    \\
  &  &  &  &  &   \\
  & 168733 &   & 59G.~Sgr & B8 TiSr & 6.3540$\pm$0.0010 $\ell$ 
 Manfroid \& Renson 1994a   \\
  &   6870 &   & V4050~Sgr & 6.35 $m, \ell$ &   \\
  &  &  &  &  &   \\
  & 170397 &   & GC~25232 & A0 SiCrEu & 2.1915 $m$ Bohlender et al. 
 1993   \\
  &   6932 &   & V432~Sct & 2.191 $\ell, m$ &   \\
  &  &  &  &  &   \\
  & 170973 &   & GC~25308 & A0 SiCrSr & 18.2(/0.945099) ? $m$ Bohlender 
 et al. 1993   \\
  &   6958 &   & MV~Ser & 18.2 ? $\ell, m$ &   \\
  &  &  &  &  &   \\
  & 171247 &   & GC~25342 & B8 Si &   \\
  &   6967 & ** &          & 3.91 $\ell$ &    \\
  &  &  &  &  &   \\
  & 173650 &   & GC~25695 & A0 SiSrCr & 9.97548 $\ell$ Adelman et al. 
 1992   \\
  &   7058 &   & V535~Her & 9.975 $\ell, m, s, v$ &    \\
  &  &  &  &  &   \\
  & 175362 &   & 31G.~CrA & B6 He wk Si & 3.67375 $s$ Lanz et al. 1993  \\
  &   7129 &   & V686 CrA & 3.674 $s, \ell, m, v$ & 3.67375$\pm$0.00004 
 $\ell$ Catalano \& Leone 1996   \\
  &  &  &  &  &   \\
 + & 177003 &   & GC~26138 & B3 He & 0.66/2.1 $\ell(UV)$ Sch\"{o}neich 
 \& Zelwanowa 1984   \\
  &   7210 &   &          & 0.7 ? $\ell$ & 0.724 ? $\ell$ Vet\"{o} 1993  \\
  &  &  &  &  &   \\
 + & 180583 &   & GC~26562 & F6 Sr & 1.49078 $\ell$ Breger 1980   \\
  &   7308 & * & V473~Lyr & 1.4908 $\ell$ & 1.490813 $\ell$ Berdnikov \& 
 Vorziskova 1995 \\
  &  &  &  &  &   \\
  & 184905 &  & GC~27072 & A0 Si & 1.84535$\pm$0.00002 $\ell$ Adelman 
 et al. 1994   \\
  &  &  & V1264~Cyg & 1.845 $s, \ell$ &   \\
  &  &  &  &  &   \\
  & 184927 &   & BD$+30^{o}$3645 & B2 He & 9.536 $m, s$ Barker et al. 
 1982   \\
  &        &   & V1671~Cyg & 9.53 $s, \ell, m$ & 9.52793 $\ell$ Vet\"{o} 
 1993   \\
  &  &  &  &  &   \\
  & 187474 &   & 235G.~Sgr & A0 EuCrSi & 2345$\pm$15 $\ell$ Hensberge 
 1993  \\
  &   7552 & * & V3961~Sgr & 2345: $m, \ell, s$ &   \\
  &  &  &  &  &   \\
  & 188041 &   & 90G.~Aql & A6 SrCrEu & 223.9$\pm$0.2 $\ell$ Hensberge 
 1993  \\
  &   7575 & * & V1291~Aql & 224 $m, s, \ell$ & 223.9 $m$ Leroy 1995  \\
  &  &  &  &  &   \\
  & 189832 &   & GC~27780 & A6 SrCrEu & 28.530$\pm$0.010 $\ell$ 
 Manfroid \& Renson 1994a   \\
  &   &   & V4133~Sgr & 28.5 $\ell$ &   \\
  &  &  &  &  &   \\
 + & 191495 &   & BD$+35^{o}3987$ & B7 p ? & 0.789 $\ell$ Zakirov \& 
 Arzumanyants 1995   \\
  &   & * &   & 0.79 $\ell$ &   \\
  &  &  &  &  &   \\
\end{tabular}

\newpage
\normalsize
\begin{center}
{Table~1. Continued.}
\end{center}
\small
\begin{tabular}{crclll}   \hline
  & HD &  & other name & spectral type &   \\
  &  &  &  &  & proposed periodicities (in days) and references   \\
  & HR &  & var. star name & periodicity &   \\   \hline
  &  &  &  &  &   \\
  & 192678 &  & GC~28111 & A2 Cr & 4.77 ? $\ell$ Zverko \& 
 \u{Z}i\u{z}\u{n}ovsk\'{y} 1991   \\
  &  &  & V1372~Cyg & 6.42: $\ell$ & 6.4186 $m$ Leroy 1995   \\
  &  &  &  &  &   \\
  & 192913 &   & GC~28173 & A0 SiCr & 16.840 $\ell$ Adelman \& Knox 1994 \\
  &   &   & MW~Vul & 16.8 $\ell, s$ &   \\
  &  &  &  &  &   \\
 + & 196178 &   & GC~28642 & B8 Si & var. ? $\ell$ Winzer 1974   \\
   &   7870 &   & V2015~Cyg & 1.01 ? $\ell$ & 1.006 ? $\ell$ Jerzychiewicz 
 1993  \\
  &  &  &  &  &   \\
 + & 200311 &   & BD$+43^{o}3786$ & B9 SiCrHg & 26 $\ell$ Adelman 1996b \\
  &   &   &   & 52 $\ell, m$ & 51.75$\pm$0.13 $m$ Mathys et al. 1996  \\
  &  &  &  &  &   \\
  & 201601 &  & $\gamma$~Equ & A9 SrEu & $\ge$80~y $m$ Leroy 1995 \\
  &   8097 &  & $\gamma$~Equ & long $m, \ell$ &   \\
  &  &  &  &  &   \\
  & 204411 &  & GC~30040 & A6 Cr & no var. $\ell$ Adelman et al. 1994  \\
  &   8216 &  &  & 0.73 ? $\ell$ &   \\
  &  &  &  &  &   \\
  & 208217 &   & GC~30695 & A0 SrEuCr & 8.44475$\pm$0.00011 $m$ Mathys 
 et al. 1996   \\
  &   &   & BD~Ind & 8.445 $\ell, m$ &   \\
  &  &  &  &  &   \\
  & 210071 &  & GC~30926 & B9 SiCr & 1.43242 $\ell$ Adelman et al. 1994  \\
  &   8434 &  &  & 1.43 $\ell$ &   \\
  &  &  &  &  &   \\
  & 215441 &   & BD$+54^{o}$2846 & B9 Si & 9.4871 $s$ Malanushenko et 
 al. 1992b   \\
  &    & * & GL Lac & 9.487 $\ell, m, s$ & 9.4871 $m$ El'kin 1992  \\
  &  &  &  &  & 9.487574$\pm$0.000030 $\ell$ North \& Adelman 1995  \\
  &  &  &  &  &   \\
  & 217833 &   & GC~32116 & B8 He wk & 5.393 $\ell$ Vet\"o 1993   \\
  &   8770 & * & V638~Cas & 5.4 $\ell$ &   \\
  &  &  &  &  &   \\
  & 219749 &   & GC~32437 & B9 Si & 1.61887 $s$ Piskunov et al. 1994  \\
  &   8861 & * & ET~And & 1.619 $\ell, s$ &   \\
  &  &  &  &  &   \\
  & 221006 &  & 33G.~Tuc & A0 Si & 2.31483$\pm$0.00040 $s, \ell(IR)$ 
 Leone et al. 1995   \\
  &   8919 &  & CG~Tuc & 2.315 $\ell, m$ &   \\
  &  &  &  &  &   \\
  & 221394 &   & GC~32719 & A0 SiSrCr& 2.86031 $\ell$ Adelman \& Boyce 
 1995   \\
  &   8933 &   &   & 2.86 $\ell$ &   \\
  &  &  &  &  &   \\
  & 223640 &   & 108~Aqr & B9 SiSrCr & 3.735239: $\ell$ Adelman \& Knox 
 1994   \\
  &   9031 &   & ET~Aqr & 3.7352 $\ell, s, m$ &   \\
  &  &  &  &  &   \\
  & 224801 &   & GC~33298 & B9 SiEu & 3.73975 $\ell$ Malanushenko et al. 
1992a   \\
  &   9080 & * & CG~And & 3.7398 $\ell, s, v$ & 3.739833$\pm$0.000013 
$\ell$  Adelman \& Pyper 1993   \\
  &  &  &  &  &   \\
 + & 335238 &   & BD$+29^{o}4202$ & A1 CrEu & 11.173$\pm$0.020 $m$ 
 Mathys et al. 1996   \\
  &   & * &   & 11.2 $m$ &   \\
  &  &  &  &  &   \\
  &   &   & CpD$-60^{o}$981 & A2 (SrCrEu)? & 3.174995$\pm$0.000006 $\ell$ 
 \u{Z}i\u{z}\u{n}ovsk\'y 1992  \\
  &   & * & V392~Car & 3.175 $\ell(ecl)$ &   \\
  &  &  &  &  &   \\
 + &   &   & Gr.9-NGC~2169 & A0 Si & 1.56(/0.77) $\ell$ Maitzen \& 
Lebzelter 1993   \\
  &   & * &   & 1.563 $\ell$ & 0.606 : $\ell$ Renson 1994   \\
  &   &   &   &   & 1.56300$\pm$0.00001 $\ell$ Manfroid \& Renson 1994b \\
  &  &  &  &  &   \\
\end{tabular}

\newpage
\normalsize
\section*{Notes to Table~1:}
\begin{itemize}
\item[HD~36485] ADS~4134C: the brighter component HD~36486 ($\delta$~Ori 
A = HR~1852, V = 2.23) $52"$ away, and a fainter component (ADS~4134B, 
V = 14) $33"$ away from A, are not physically related to HD~36485; 
HD~36485 is also a spectroscopic binary with P = 9.9144$\pm$0.0002~d 
(Morrell \& Levato 1991)
\item[HD~37017] sp. bin. P = 18.6217$\pm$0.0004~d (Morrell \& Levato 
1991)
\item[HD~37479] first helium-strong star in which a large magnetic field 
has been detected. Light variations are mainly due to the eclipse by 
a ring or cloud of circumstellar material (Groote \& Hunger 1982)
\item[HD~47152] interf. bin. P = 25.8 years (Baize 1989) 
\item[HD~84041] rapid oscillating Ap star with periods near 15~min; 
also visual double: fainter component (V = 13) at $8"$ 
\item[HD~116458] sp. bin. P = 126~d 
\item[HD~143654] according to the quoted authors, this star is probably 
not an Ap star 
\item[HD~144667] component A (V = 6.64) of a quadruple system; companion 
B (V $\sim$ 13) at $16"$; companion C (HD~144668 = HR~5999 = V856~Sco, 
irregular variable, Sp. A7IIIe, V $\sim$ 7.0) at $44"$; companion D (V 
$\sim$ 11.6) at $1.3"$ from C 
\item[HD~165474] ADS~11056B, component A at $7"$, $\Delta$m = 0.5; 
component C at $56"$ is 5 mag. fainter than A 
\item[HD~171247] ADS~11448A, companion at $38.7"$, $\Delta$m = 4 
\item[HD~180583] this star is probably not to be considered as an Ap star, 
but it is a known cepheid, as it has been noted in the {\it General 
Catalogue of Ap and Am Stars}, its luminosity class being I or II 
\item[HD~191495] star of the open cluster NGC~6871, in the association 
Cyg~OB3 
\item[HDE~335238] (= Rns 55280): coordinates at the epoch 1950.0: $20^{h} 
\; 48.6^{m} \; +29^{o} \; 37'$ 
\item[Gr.9-NGC~2169] (= Rns 11180): star N.9 in NGC~2169 (Grubissich 
1959); the identification as star N.12 in Hoag et al. (1961) has also 
been used. Coordinates at the epoch 1950.0: $06^{h} \; 05.6^{m}, \; 
+ 13^{o} \; 57'$ 
\end{itemize}
\end{document}
