%Return-Path: taf@as.arizona.edu %Return-Path: %Received: from cosmo.as.arizona.edu by simbad.u-strasbg.fr (5.x/SMI-SVR4) % id AA14875; Tue, 16 Jul 1996 00:43:02 +0200 %Received: from viking.as.arizona.edu by cosmo.as.arizona.edu (5.x/SMI-SVR4) % id AA25794; Mon, 15 Jul 1996 15:43:01 -0700 %Received: by viking.as.arizona.edu (5.x/SMI-SVR4) % id AA20692; Mon, 15 Jul 1996 15:42:59 -0700 %Date: Mon, 15 Jul 1996 15:42:59 -0700 %From: taf@as.arizona.edu (Tom Fleming) %Message-Id: <9607152242.AA20692@viking.as.arizona.edu> %To: cats@simbad.u-strasbg.fr %Subject: Table 1 -- LaTeX %Content-Type: text %Content-Length: 16883 %Status: O \documentstyle[supertabular]{article} \topmargin -0.5in \oddsidemargin -0.3in \textheight 9.5in \textwidth 6.5in \pagestyle{empty} \begin{document} {\small \tablefirsthead{ \multicolumn{13}{c}{Table 1} \\[.2in] \multicolumn{13}{c}{ All White Dwarfs Detected in the ROSAT PSPC Survey} \\[.1in] \hline \hline &&&&&&&&&&&& \\ \multicolumn{3}{c}{$\alpha_{2000}$}&\multicolumn{3}{c}{$\delta_{2000}$}&Count& 1-$\sigma$~~ & WFC & Name & Villanova & Type & Refs \\ &&&&&& rate$^a$ & error$^a$ &&& Catalogue && \\ &&&&&&&&&&&& \\ \hline &&&&&&&&&&&& \\ } \tablehead{ \multicolumn{13}{c}{Table 1 -- cont. } \\[.1in] \hline \hline &&&&&&&&&&&& \\ \multicolumn{3}{c}{$\alpha_{2000}$}&\multicolumn{3}{c}{$\delta_{2000}$}&Count& 1-$\sigma$~~ & WFC & Name & Villanova & Type & Refs \\ &&&&&& rate$^a$ & error$^a$ &&& Catalogue && \\ &&&&&&&&&&&& \\ \hline &&&&&&&&&&&& \\ } \tabletail{ &&&&&&&&&&&& \\ \hline } \tablelasttail{ &&&&&&&&&&&& \\ \hline &&&&&&&&&&&& \\ &&&&&&&&&&&& \\ &&&&&&&&&&&& \\ \multicolumn{13}{l}{$^a$cts s$^{-1}$ in the 0.1 - 0.28 keV band } \\ \multicolumn{13}{l}{\dag detection also made in hard band; should be treated as upper limit} \\ &&&&&&&&&&&& \\ } \begin{supertabular}{rrrrrrrrclllc} 0& 0& 7.3&$+$29&57&14& 0.033&0.012&N&PG 2357$+$297 &WD 2357$+$296&DA1 & \\ 0& 3&58.9&$+$43&36& 0& 0.356&0.047&Y& new ID & & DA1 & \\ 0& 7&32.2&$+$33&17&25& 2.520&0.121&Y&GD 2 &WD 0004$+$330&DA1 & 1\\ 0& 8&22.1&$+$51&22&19& 0.992&0.092&N&KPD 0005$+$511 &WD 0005$+$511&DO & 2\\ 0&24&44.4&$-$74&14&29& 0.046&0.011&Y& HD 2133 B & & DA $+$ F7V & \\ 0&29&56.9&$-$63&24&54& 3.790&0.190&Y& new ID & & DA1 & \\ 0&39&54.3&$+$31&31&31& 0.131&0.031&N&GD 8 &WD 0037$+$312&DA1 & \\ 0&44& 1.7&$+$ 9&33& 1& \dag 0.272&0.028&Y&BD$+$08 102 B & &DA $+$ G & 3\\ 0&47& 3.0&$-$11&52&13& 0.563&0.063&Y&NGC 246 & &PNN B0 & 4\\ 0&53&17.3&$-$32&59&50& 3.004&0.030&Y&GD 659 &WD 0050$-$332&DA1 & 1\\ 0&53&39.6&$+$36& 1&31& 0.035&0.017&Y& new ID & & DA2 & \\ 1& 4&42.7&$+$ 9&49&34& 0.045&0.012&N&PG 0102$+$096 &WD 0102$+$095&DA2 & \\ 1& 8&20.6&$-$35&34&31& 0.087&0.019&Y&GD 683 &WD 0106$-$358&DA2 & \\ 1&22&53.7&$-$75&21&12& 0.812&0.036&N& new ID & & PG1159 & 15,16 \\ 1&34&24.3&$-$16& 7&13& 1.745&0.088&Y&GD 984 &WD 0131$-$164&DA1 & 1\\ 1&38&53.0&$+$25&23&29& 0.632&0.063&Y&PG 0136$+$251 &WD 0136$+$251&DA1p & \\ 1&48& 7.4&$-$25&32&25& 0.032&0.011&Y&GD 1401 & &DA$+$M & \\ 1&51& 7.8&$+$67&39&24& 0.158&0.020&Y&GD 421 &WD 0147$+$674&DA2 & 1\\ 2& 5&49.9&$-$13&38&17& 0.270&0.027&N&GD 1104 & & DA1& \\ 2&18&48.0&$+$14&35&42& 0.051&0.016&N&PG 0216$+$144 &WD 0216$+$143&DA2 & \\ 2&28&18.3&$-$61&18&16& 5.361&0.137&Y&HD 15638 B & &DA $+$ F3V & 3\\ 2&30&53.3&$-$47&55&28& 0.050&0.016&Y&LB 1628 & &DA1 & \\ 2&37&25.4&$-$12&21&29& 0.329&0.039&Y&PHL 1400 & &DA2 & \\ 2&39&49.0&$+$50& 3&44& 0.204&0.025&Y& new ID & &DA2 & \\ 2&54&39.5&$-$ 5&20& 2& \dag 0.262&0.036&Y& HD 18131 B & & DA $+$ K0 & \\ 3& 4&36.8&$+$ 2&56&56& 0.173&0.036&Y&GD 41 &WD 0302$+$027&DAw & \\ 3&17&11.3&$-$85&32&34& 0.423&0.058&Y&LB 09802 & &DAp & \\ 3&22&15.0&$-$53&45&10& 0.230&0.076&Y&LB 1663 & &DA2 & 1\\ 3&48&50.2&$-$ 0&58&35& 2.086&0.071&Y&GD 50 &WD 0346$-$011&DA2 & 1\\ 3&50&25.1&$+$17&14&47& \dag 1.741&0.069&Y&V471 TAU &BD$+$16 516 &DA2$+$K2V & 1,5\\ 3&53&16.6&$+$ 9&57&20& 0.033&0.012&N& new ID & & DA & \\ 3&54&40.0&$+$ 5& 8&46& 0.029&0.011&N& new ID & & DA & \\ 3&57& 6.2&$+$28&37&52& 0.210&0.029&Y& new ID & & DA $+$ ? & \\ 4&10&56.4&$+$59&24&59& 0.043&0.000&N& new ID & & DA & \\ 4&27&33.9&$+$74& 7&26& 2.026&0.189&Y& new ID & & DA1 & \\ 4&28&38.6&$+$16&58&56& 0.031&0.011&Y&EG 37 &WD 0425$+$168&DA2 & \\ 4&43& 7.0&$-$ 3&46&53& 2.538&0.081&Y& new ID & & DA & \\ 4&43&47.3&$-$78&51&36& 0.036&0.011&Y&BPM 3523 &WD 0446$-$789&DA3 & \\ 4&57&12.0&$-$28& 7&48& 0.106&0.027&Y& new ID & & DA1 & 1\\ 4&59&50.2&$-$10&15&44& \dag 0.447&0.036&Y&HR 1608 B & &DA $+$ K0IV & 3\\ 5& 5&33.2&$+$52&48&25& 0.040&0.022&Y&G191 B2B &WD 0501$+$527&DA1 & 1,6\\ 5&12& 5.5&$-$ 0&41&43& 0.738&0.050&Y& new ID & & DA2 & \\ 5&12&22.9&$-$41&45&21& 0.971&0.064&Y& new ID & & DA1 & \\ 5&15&23.5&$+$32&41& 9& \dag 6.037&0.139&Y&HD 33959C & &DA $+$ F4V & 3,7 \\ 5&20& 0.5&$+$36&34&38& 0.022&0.009&N&LANNING 32 &WD 0516$+$365&DA & \\ 5&21&18.8&$-$10&29&24& 0.190&0.034&Y& new ID & & DA2 & \\ 5&34&21.5&$-$ 2&14&34& 0.039&0.016&Y& new ID & & DA2 & \\ 5&50&37.6&$+$ 0& 5&57& 0.725&0.013&Y&GD 257 &WD 0548$+$000&DA1 & 1\\ 5&50&47.2&$-$24& 8&39& 0.373&0.041&Y& new ID & & DA1 & \\ 5&52&27.6&$+$15&53&10& 2.800&0.113&Y&GD 71 &WD 0549$+$158&DA1 & 1\\ 5&57& 1.4&$-$16&35& 4& 0.150&0.018&N& new ID & & DA1 & \\ 6& 5& 2.8&$-$48&19&46& 0.132&0.027&Y& new ID & & DA2 & \\ 6&16&51.2&$-$64&57&25& 0.011&0.003&Y& new ID & & DA & \\ 6&20&52.2&$+$13&24&25& 0.527&0.045&Y& new ID & & DA & \\ 6&32&57.7&$-$ 5& 5&54& 1.506&0.066&Y& new ID & & DA1 & \\ 6&33&39.7&$+$20& 1&42& 0.578&0.046&Y& new ID & & DA & \\ 6&33&50.1&$+$10&41&18& 0.280&0.035&Y&KPD 0631$+$107 &WD 0631$+$107&DA & 1\\ 6&45& 8.9&$-$16&42&46&19.730&0.290&Y&SIRIUS B &WD 0642$-$166&DA2 $+$ A1 V& 1\\ 6&48&55.1&$-$25&23&55& 0.450&0.039&Y& new ID & & DA2 & \\ 6&54&13.7&$-$ 2& 9&26& 0.682&0.055&Y&GD 80 &WD 0651$-$020&DA1 & 1\\ 7&15& 8.6&$-$70&25&48& 3.536&1.127&Y& new ID & & DA1 & \\ 7&20&48.3&$-$31&46&56& 0.455&0.045&Y& new ID & &DAO $+$ M & 8\\ 7&23&19.3&$-$27&47&23& 1.833&0.080&Y& new ID & & DA1 & \\ 7&28&17.1&$+$27&31&28& 0.090&0.020&N& new ID & & DA1 & \\ 7&43&47.5&$-$39&11& 2& 0.340&0.034&Y& new ID & & DA & \\ 8& 0&24.1&$-$47&46& 0& 1.040&0.070&N& new ID & &DA & \\ 8&27& 4.8&$+$28&44& 4& 0.714&0.053&Y&PG 0824$+$289 & &DA1 & \\ 8&31&49.8&$-$53&40&33& 0.032&0.015&Y& new ID & & DA2 & \\ 8&39&35.7&$+$23&35&25& 0.064&0.024&N&PG 0836$+$237 &WD 0836$+$237&DA2 & \\ 8&41& 4.0&$+$ 3&21&20& 2.154&0.102&Y& new ID & & DA1 & \\ 8&45&49.1&$+$48&52&26& 0.540&0.036&Y&BD$+$49 1766 &HD 74389 &DA$+$ A & \\ 8&45&50.7&$+$60& 9& 4& 0.027&0.010&N&PG 0841$+$603 &WD 0841$+$603&DA2 & \\ 9& 2&17.1&$-$ 4& 6&38& 0.081&0.023&Y& new ID & & DA2 & \\ 9& 7&42.4&$+$50&57&43& 0.061&0.019&Y&PG 0904$+$511 &WD 0904$+$511&DA2 & \\ 9&16&57.5&$-$19&46&23& 1.025&0.048&Y& new ID & & DA & \\ 9&40&21.9&$+$50&21&15& 0.157&0.025&Y&PG 0937$+$506 &WD 0937$+$505&DA1 & \\ 9&57&44.4&$+$85&29&33& 0.858&0.091&Y& new ID & & DA & \\ 10& 6&14.2&$+$44&19&48& 0.044&0.013&N& new ID & & DA1 & \\ 10&16&28.6&$-$ 5&20&27& 4.744&0.116&Y& new ID & &DAO $+$ M & 9\\ 10&19&52.2&$-$14& 7&25& 0.286&0.027&Y& new ID & & DA2 & \\ 10&24& 5.8&$+$26&21&12& 0.212&0.024&Y&BD$+$27 1888 B & &DA $+$ G5V & \\ 10&24&43.6&$-$30&21& 4& 0.288&0.030&Y& new ID & &DA $+$ ? & \\ 10&27&10.7&$+$32&23&38& 0.073&0.016&Y& new ID & & DA $+$ G & 13 \\ 10&29&45.8&$+$45& 7&15& 0.196&0.022&Y&PG 1026$+$454 &WD 1026$+$453&DA1 & \\ 10&32&10.2&$+$53&29&41& 9.068&0.151&Y& new ID & & DA1 & \\ 10&33&46.7&$-$11&41&48& 0.242&0.027&Y&EG070 &WD 1031$-$115&DA2 & 1\\ 10&36&24.6&$+$46& 8&40& 0.294&0.026&Y&GD 123 &WD 1033$+$464&DA4$+$K star& 1\\ 10&43&11.5&$+$49& 2&28& 1.634&0.069&Y& new ID & & DA1 & \\ 10&43&31.9&$+$44&53&38& 0.112&0.017&Y&PG 1040$+$451 & &DA: & \\ 10&44&47.1&$+$57&44&47& 0.223&0.032&Y&PG 1041$+$580 &WD 1041$+$580&DA2 & \\ 10&58&20.6&$-$38&44&23& 0.096&0.016&Y& new ID & & DA2 & \\ 10&59&16.4&$+$51&24&43& 7.719&0.145&Y&LB 01919 & & DA & \\ 11& 0&33.9&$+$71&37&58& 1.192&0.074&Y&PG 1057$+$719 &WD 1057$+$719&DA1 & \\ 11&11&39.6&$-$22&49&32& 0.702&0.048&Y&$\beta$ Crt B & &DA $+$ A1V & 3,10\\ 11&12&38.7&$+$24& 9&11& 0.508&0.042&Y&TON 61 &WD 1109$+$244&DA2 & 1\\ 11&22&53.5&$+$43&42&48& 0.038&0.014&Y&PG 1120$+$439 &WD 1120$+$439&DA1 & \\ 11&26&18.2&$+$18&39&20& 0.436&0.033&Y&PG 1123$+$189 &WD 1123$+$189&DA4 & 1\\ 11&28&13.9&$-$ 2&49&57& 0.050&0.015&Y&PG 1125$-$026 &WD 1125$-$025&DA3 & \\ 11&41&52.6&$+$25&35&35& 0.062&0.014&N& new ID & & DA1 & \\ 11&46&34.1&$+$ 0&12&23& 0.081&0.016&N& \dots & WD 1144$+$004 &PG1159 DO1& \\ 11&48& 3.3&$+$18&30&45& 0.088&0.018&Y&PG 1145$+$188 &WD 1145$+$187&DA2 & \\ 12& 1&45.0&$-$ 3&45&34& 0.114&0.021&Y&PG 1159$-$035 &WD 1159$-$034&PG1159 D0Z& \\ 12&35&16.6&$+$23&34&40& 0.117&0.028&Y&PG 1232$+$238 &WD 1232$+$238&DA1 & \\ 12&36&44.3&$+$47&55&22& 2.050&0.030&Y&PG 1234$+$482 &WD 1234$+$482&DA1 & 1\\ 12&55&33.3&$+$25&53&42& 0.025&0.010&Y&IN Com & & PNN$+$G & \\ 12&57& 1.9&$+$22& 1&51& 7.640&0.163&Y&EG 187 &WD 1254$+$223&DA1 & 1\\ 13&16&21.5&$+$29& 5&57&87.170&0.412&Y&HZ 43 &WD 1314$+$293&DA1 & 1\\ 13&36&19.7&$+$69&49&45& 0.068&0.013&Y&PG 1335$+$701 &WD 1335$+$700&DA2 & \\ 13&40&58.7&$+$60&26&31& 0.045&0.010&Y& new ID & &DA$+$ M & \\ 14& 6& 5.6&$-$ 7&57&46& 0.144&0.039&Y&PG 1403$-$077 &WD 1403$-$077&DA2 & \\ 14&17&40.9&$+$13& 2&11& 0.036&0.012&Y&Feige 93 &WD 1415$+$132&DA1 & \\ 14&26&44.3&$+$50& 6&29& \dag 0.121&0.022&Y& new ID & &DA2 $+$ dMe & \\ 14&31&57.2&$+$37& 6&33& 0.153&0.025&Y&GD 336 &WD 1429$+$373&DA1 & \\ 14&40& 7.9&$+$75& 5&30& 0.884&0.057&Y& new ID & & DA1 & \\ 14&46& 2.6&$+$63&29&24& 0.160&0.024&Y& new ID & & DA1 & \\ 15& 1&55.0&$+$30&22&53& 0.032&0.010&N&PG 1459$+$306 &WD 1459$+$305&DA3 & \\ 15& 2& 9.6&$+$66&12&28&25.300&0.070&Y&H 1504$+$65 &WD 1501$+$664&DZ1 & \\ 15&21&46.6&$+$52&22&12& 0.258&0.030&Y&PG 1520$+$525 &WD 1520$+$525&PG1159 DOZ& \\ 15&29&43.4&$+$48&36&25& 0.153&0.026&Y& new ID & & DA1 & \\ 15&35&44.6&$-$77&24&43& 0.597&0.091&N& new ID & &DA1 & \\ 16&10&22.3&$+$63& 0&33& 0.017&0.005&N&PG 1609$+$631 &WD 1609$+$631&DA2 & \\ 16&14&19.0&$-$ 8&32&57& 0.225&0.024&Y& new ID & &DA1 & \\ 16&23&33.7&$-$39&13&55& 0.969&0.054&Y&CD$-$38 10980 &WD 1620$-$39 &DA2 & 1\\ 16&24&39.6&$-$53&44&17& 0.030&0.012&N&BPM 24107 &WD 1620$-$536&DA4 & \\ 16&29&10.1&$+$78& 4&40& \dag 7.921&0.048&Y& new ID & &DA1 $+$ M & 14 \\ 16&38&25.9&$+$35& 0&14& 0.468&0.029&Y&KUV 433$-$3 &WD 1636$+$35 &DA1 & 1\\ 16&50& 7.5&$+$37& 1&32& 0.092&0.020&N&PG 1648$+$371 &WD 1648$+$371&DA1 & \\ 16&50&20.2&$+$40&37&35& 0.157&0.036&Y& new ID & & DA1 & \\ 16&58&49.6&$+$34&17&29& 0.134&0.027&N&PG 1657$+$343 &WD 1657$+$343&DA1 & \\ 16&59&48.2&$+$44& 1&12& 0.309&0.024&Y&H1659$+$44 &WD 1658$+$440&DA2p & 1\\ 17&11&25.9&$+$66&45&32& 0.215&0.035&Y& new ID & & DA1 & \\ 17&23&12.9&$+$29&23& 9& 0.074&0.019&N& new ID & & DA1 & \\ 17&26&42.9&$+$58&37&35& 1.387&0.028&Y&PG 1725$+$587 &WD 1725$+$586&DA1 & \\ 17&38& 2.4&$+$66&53&47& 0.024&0.010&Y& new ID & & DA1 & 11\\ 17&38&28.8&$+$41&52&41& 0.021&0.012&N&GD 363 &WD 1737$+$419&DA3 & \\ 17&45&54.0&$+$60&42&14& 0.150&0.015&N& new ID & & DA1 & \\ 17&46&14.0&$-$70&39& 4& 1.248&0.306&Y& new ID & & DA1 & \\ 18& 0& 9.8&$+$68&35&54& 0.812&0.237&Y&KUV 18004$+$6836& &DA1 & 1\\ 18&20&30.0&$+$58& 4&40& 1.691&0.112&Y& new ID & & DA1 & \\ 18&21&50.7&$+$64&22& 3& 0.170&0.048&Y&K1$-$16 &WD 1821$+$643&PNN D0Z1 & 4\\ 18&45& 9.1&$+$68&22&36& 0.331&0.072&Y&KUV 18453$+$6819& &DA1 & \\ 18&47&39.0&$+$ 1&57&34& 1.423&0.075&Y&BPM 93487 &WD 1845$+$019&DA2 & 1\\ 18&47&56.6&$-$22&19&36& 0.316&0.046&Y& new ID & & DA2 & \\ 19&25&58.7&$-$56&33&38& 5.987&0.307&Y& new ID & & DA $+$ G& 3 \\ 19&43&42.8&$+$50& 4&41& 0.404&0.082&Y& new ID & & DA2 & \\ 20& 4&24.5&$-$56& 2&52& 0.088&0.027&Y&AOO 2000$-$56 &WD 2000$-$562&DA1 & \\ 20& 9& 5.0&$-$60&25&38&12.040&0.430&Y& new ID & & DA1 & \\ 20&13& 9.6&$+$40& 2&17& \dag 0.935&0.034&Y& new ID & &DAO $+$ M & \\ 20&18&53.7&$-$57&20&56& 0.200&0.055&Y&L210$-$114 &WD 2014$-$575&DA2 & \\ 20&24& 0.2&$-$42&24&20& 0.382&0.039&Y& new ID & &DA & \\ 20&24&16.7&$+$20& 0& 8& 0.442&0.030&Y& new ID & &DA1 $+$ M & \\ 20&29&56.0&$+$39&13&22& 0.071&0.009&Y&GD 391 &WD 2028$+$390&DA2 & 1\\ 20&34&22.0&$+$25& 3&53& 0.021&0.008&N&Wolf 1346 &WD 2032$+$248&DA3 & \\ 20&34&55.2&$-$27&34&54& 0.240&0.030&N& new ID & & DA & \\ 20&52&42.7&$+$46&39&45& 0.570&0.057&N& new ID & & DO & \\ 21& 1&13.3&$+$ 8&35& 8& 0.142&0.024&N& new ID & & DA1 & \\ 21&12&44.2&$+$50& 6&17& 1.282&0.065&Y&GD 394 &WD 2111$+$498&DA2 & 1\\ 21&17&11.0&$+$73&49&20& 0.869&0.037&Y&KUV 21168$+$7338& &DA & \\ 21&17& 7.6&$+$34&12&22& 0.359&0.027&N& new ID & &PG1159 & 12\\ 21&26&26.6&$+$19&22&19& 1.437&0.058&Y&HR 8210 B & &DA $+$ A8 & 3\\ 21&27&43.6&$-$22&11&42& 0.464&0.048&Y& new ID & & DA1 & \\ 21&54&53.0&$-$30&29&27& 0.158&0.033&Y& new ID & & DA2 & \\ 21&56&22.2&$-$54&38&24& 6.900&0.175&Y& new ID & & DA1 & \\ 21&56&35.7&$-$41&42&15& 1.650&0.084&Y& new ID & & DA1 & \\ 22& 7&45.6&$+$25&20&31& 0.223&0.021&Y& new ID & & DA2 & \\ 22&10&30.0&$-$30& 5&43& 0.220&0.038&Y& new ID & & DA2 & \\ 22&15&14.8&$-$27&42&18& 0.489&0.056&N& new ID & & DA1 & \\ 22&44&44.7&$-$32&19&34& 0.087&0.020&Y&PHL 0396 & &DA2 & \\ 22&49&52.1&$+$58&34&25& 1.887&0.062&Y&LAN 23 & &DA1 & \\ 23& 0&34.8&$-$ 7& 3&57& \dag 0.442&0.038&Y&HD 217411 B & &DA $+$ G5 & 3\\ 23&12&21.4&$+$10&47& 7& 6.467&0.114&Y&GD 246 &WD 2309$+$105&DA1 & 1\\ 23&24&31.3&$-$54&41&47& 1.049&0.082&Y& new ID & & DA1 & \\ 23&34& 1.1&$-$47&13&51& 0.055&0.022&Y& new ID & & DA1 & \\ 23&53& 2.0&$-$24&31&42& 0.136&0.025&Y& new ID & & DA2 & \\ 23&53& 6.0&$-$70&23&28& 0.120&0.017&Y&HD 223816 B & &DA $+$ F5IV & 3\\ \end{supertabular} \baselineskip=12pt refs: (1) Barstow, Fleming, Diamond, Finley, Sansom, Rosen, Koester, Marsh, Holberg, \& Kidder 1993, MNRAS, 264, 16; (2) Fleming, Werner, \& Barstow 1993, ApJ, 416, L79; (3) Barstow, Holberg, Fleming, Marsh, Koester, \& Wonnacott 1994, MNRAS, 270, 499; (4) Hoare, Barstow, Werner, Fleming, \& Clegg 1995, MNRAS, 273, 812; (5) Barstow, Schmitt, Clemens, Pye, Denby, Harris, \& Pankiewicz 1992, MNRAS, 255, 369; (6) Barstow, Fleming, Finley, Koester, \& Diamond 1993, MNRAS, 260, 631; (7) Hodgkin, Barstow, Fleming, 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