J/A+A/309/787 DX Eri variability (Stefl+, 1996)
Rapid photometric and spectroscopic variability of the Be star DX Eridani
Stefl S., Balona L.A.
<Astron. Astrophys. 309, 787 (1996)>
=1996A&A...309..787S 1996A&A...309..787S (SIMBAD/NED BibCode)
ADC_Keywords: Stars, Be ; Stars, variable ; Photometry, uvby ; Line Profiles
Keywords: stars: Be - stars: activity - stars: individual: DX Eri
Description:
We present results of nearly simultaneous monitoring of uvby light and
HeI667.81nm line-profile variations of the equatorial Be star DX Eri
in November 1991. They are analysed along with numerous uvby
photometry in the period 1986-1995.
Object:
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RA (2000) DE Name
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04 44 05.2 -08 30 13 DX Eri = HR HR 1508 = HD 30076
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File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1 41 112 La Silla photometric observations,
November 1991
table2 42 55 SAAO photometric observations, November 1991
table3 42 114 La Silla photometric observations,
December, 1992 - January, 1993
table4 42 122 SAAO photometric observations, November 1994
table5 42 153 La Silla photometric observations,
December, 1994 - January, 1995
table8 63 31 Quantitative parameters measured in the
HeI 667.81 nm line profiles
tables.tex 109 453 LaTeX version of the tables
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Byte-by-byte Description of file: table1 table2 table3 table4 table5
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Bytes Format Units Label Explanations
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1- 12 F12.4 d HJD Heliocentric Julian date of the mid-exposure
15- 19 F5.3 mag umag []? u magnitude
22- 26 F5.3 mag vmag []? v magnitude
29- 33 F5.3 mag bmag b magnitude
36- 40 F5.3 mag ymag []? y magnitude
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Byte-by-byte Description of file: table8
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Bytes Format Units Label Explanations
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1- 14 F14.6 d HJD Heliocentric Julian date of the mid-exposure
17- 21 F5.1 km/s RV Stellar radial velocity measured on the outer
wings of the line
23- 29 F7.3 km/s First line moment
(in the heliocentric wavelength scale)
31- 37 F7.3 km/s c First line moment
(in the heliocentric wavelength scale
corrected for the radial velocity)
39- 44 F6.1 km/s FWHM Full width at half maximum
51- 56 F6.4 10-3 LD Difference of the central depth of the line
with respect to the mean profile
(in units of 10-3 x continuum)
58- 63 F6.4 0.01nm EW Equivalent width
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(End) Patricia Bauer [CDS] 08-Feb-1996