J/A+A/297/494 OH maser from semiregular variables (Szymczak+, 1995)
A survey of main-line OH maser emission from semiregular variables
SZYMCZAK M., LE SQUEREN A.M., P.SIVAGNANAM, TRAN MINH F., FOURNIER A.
<Astron. Astrophys. 297, 494 (1995)>
=1995A&A...297..494S 1995A&A...297..494S (SIMBAD/NED Reference)
ADC_Keywords: Masers; Stars, variable; Radial velocities
Keywords: masers - stars: circumstellar matter - stars: mass-loss -
stars: AGB, post-AGB - radio lines: stars
Description:
We have made a high sensivity (∼0.15Jy) search in the OH main-lines for maser
emission from a sample of 181 semiregular variables.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1 102 6 Semiregulars with OH maser emission
table2 50 175 Upper limits for undetected semiregular
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Byte-by-byte Description of file: table1
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Bytes Format Units Label Explanations
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1- 10 A10 --- IRAS IRAS name
12- 17 A6 --- GCVS GCVS name
19- 21 A3 --- Type Type of variability
23- 30 A8 "DD/MM/YY" Date Observation date
32 A1 --- l_Sp1(1665) limit flag on Sp1(1665)
33- 36 F4.2 Jy Sp1(1665) First peak flux density at 1665MHz
38- 41 F4.1 km/s Vp1(1665) []? Radial velocity of Sp1(1665) (1)
43- 45 F3.1 Jy Sp2(1665) []? Second peak flux density at 1665MHz
47- 50 F4.1 km/s Vp2(1665) []? Radial velocity of Sp2(1665) (1)
52- 54 F3.1 Jy Sp3(1665) []? Third peak flux density at 1665MHz
56- 59 F4.1 km/s Vp3(1665) []? Radial velocity of Sp3(1665) (1)
61- 63 F3.1 Jy Sp4(1665) []? 4th peak flux density at 1665MHz
65- 68 F4.1 km/s V4(1665) []? Radial velocity of Sp4(1665) (1)
70- 73 F4.1 Jy.km/s Sint(1665) []? Integrated flux of the entire OH profile
at 1665MHz
75 A1 --- l_Sp1(1667) limit flag on Sp1(1667)
76- 80 F5.2 Jy Sp1(1667) First peak flux density at 1667MHz
82- 85 F4.1 km/s Vp1(1667) []? Radial velocity of Sp1(1667) (1)
87- 89 F3.1 Jy Sp2(1667) []? Second peak flux density at 1667MHz
91- 94 F4.1 km/s Vp2(1667) []? Radial velocity of Sp2(1667) (1)
96- 99 F4.1 Jy.km/s Sint(1667) []? Integrated flux of the entire OH profile
at 1667MHz
101-102 A2 --- Notes Notes (2)
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Note (1): V is the radial velocity relative to the local standard of rest Vlsr
Note (2): a new detection
b Le Squeren et al. (1992)
c Dickinson et al. (1986)
d Nguyen-Q-Rieu et al. (1971)
e tentative detection
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Byte-by-byte Description of file: table2
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Bytes Format Units Label Explanations
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1- 10 A10 --- IRAS IRAS name
12- 20 A9 --- GCVS GCVS name
22- 24 A3 --- Type Type of variability
26- 30 A5 --- Date Observing date (month, year)
32- 35 I4 km/s V1 Lowest velocity of the velocity range
37- 39 I3 km/s V2 Highest velocity of the velocity range
41- 42 A2 --- n_V1 [LH] L = LSR, H = heliocentric
44- 46 I3 mJy S 1 sigma upper limit flux density (1)
48- 49 I2 --- Ref []? References (2)
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Note (1): 1 sigma = 50 mJy for SRb stars in a mean values for this group.
Note (2): References:
1 Caswell et al.(1971)
2 Paschenko et al.(1971)
3 Fillit et al. (1972)
4 Wilson & Barrett (1972)
5 Wilson & Riegel (1973)
6 Kolena & Pataki (1977)
7 Fix & Weisberg (1978)
8 Paschenko & Rudnitskij (1979)
9 Bowers (1981)
10 Fix & Claussen (1984)
11 Ukita & Le Squeren (1984)
12 Dickinson et al. (1986)
13 Eder et al. (1988)
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References:
Bowers, P.F., 1981, AJ 86, 1930
Caswell, J.L., Robinson, B.J., Dickel, H.R., 1971, ApL 7, 75
Dickinson, D.F., Turner, B.E., Jewell, P.R., Benson, P.J., 1986, AJ 92, 627
Eder, J., Lewis, B.M., Terzian, Y., 1988, ApJS 66, 183
Fillit, R., Gheudin, M., Nguyen-Q-Rieu, Paschenko, M., Slysh, V., 1972,
A&A 21, 317
Fix, J.D., Claussen, M.J., 1984, ApJ 287, L35
Fix, J.D., Weisberg, J.M., 1978, ApJ 220, 836
Le Squeren, A.M., Sivagnanam, P., Dennefeld, M., David, P., 1992,
A&A 254, 133
Nguyen-Q-Rieu, Fillit, R., Gheudin, M., 1971, A&A 14, 154
Paschenko, M. et al., 1971, A&A 11, 482
Paschenko, M.I., Rudnitskij, G.M., 1979, Astron.Tsirk. 1040, 4
Ukita, N., Le Squeren, A.M., 1984, A&A 138, 343
Wilson, W.J., Barrett, A.H., 1972, A&A 22, 385
Wilson, W.J., Riegel, K.W., 1973, A&A 17, 473
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(End) Patricia Bauer [CDS] 20-Oct-1994