J/PAZh/25/209 Variability of peculiar star HD 108 (Barannikov+, 1999)
Long-term spectroscopic and photoelectric variability of the peculiar
runaway O7I fp star HD 108
Barannikov A.A.
<Pis'ma Astron. Zh. 25, 209 (1999)>
=1999PAZh...25..209B 1999PAZh...25..209B
=1999AstL...25..169B 1999AstL...25..169B
ADC_Keywords: Stars, peculiar ; Radial velocities
Abstract:
The results of fifteen-year-long observations of optical spectra and
BVR photoelectric photometry of the runaway star HD 108 are presented.
Object:
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RA (2000) DE Designation
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00 06 03.39 +63 40 46.8 HD 108 = BD+62 2363 = SAO 10973
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File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1.dat 56 51 Measurements of radial velocities of HD 108
table2.dat 65 69 Photoelectric observations of HD 108
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Byte-by-byte Description of file: table1.dat
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Bytes Format Units Label Explanations
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1- 2 A2 --- Nspect Spectra number
6-16 F11.3 d JD [2445174/2448524] Julian date
19-24 F6.1 km/s RVHeIIa Radial velocity of HeII absorption
lines (4200Å and 4543Å)
28-33 F6.1 km/s RVHIa Radial velocity of HI absorption
lines (Hβ, Hγ and Hδ)
36-40 F5.1 km/s RVHIe Radial velocity of HI emission
lines (Hβ, Hγ and Hδ)
43-48 F6.1 km/s RVNIIIe Radial velocity of NIII emission
lines (4634Å and 4640Å)
52-56 F5.1 km/s RVHeIIe Radial velocity of HeII emission line (4686Å)
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Byte-by-byte Description of file: table2.dat
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Bytes Format Units Label Explanations
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1- 2 A2 --- No Group number of magnitudes (1)
6- 16 F11.3 d JD [2447790/2450682] Julian date
19- 24 F6.3 mag rBmag Relative magnitude in B band (2)
27- 31 F5.3 mag e_rBmag Standard error in rBmag
34- 39 F6.3 mag rVmag Relative magnitude in V band
42- 46 F5.3 mag e_rVmag Standard error in rBVag
49- 54 F6.3 mag rRmag Relative magnitude in R band
57- 61 F5.3 mag e_rRmag Standard error in rBRag
64- 65 I2 --- Nmeas Measurement number in group
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Note (1): Current group number of time compact magnitude estimations
Note (2): Comparison star is HD 134 (A6V, V=9.74mag)
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(End) Veta Avedisova [INASAN] 8-Apr-2000