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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      (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:
    --------------------------------------------------------
        RA   (2000)   DE     Name
    --------------------------------------------------------
      04 44 05.2 -08 30 13   DX Eri = HR HR 1508 = HD 30076
    --------------------------------------------------------

File Summary:

       FileName      Lrecl  Records   Explanations

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


Byte-by-byte Description of file: table1 table2 table3 table4 table5

   Bytes Format Units   Label     Explanations

   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


Byte-by-byte Description of file: table8

   Bytes Format Units   Label     Explanations

   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    <v>       First line moment
                                   (in the heliocentric wavelength scale)
  31- 37  F7.3  km/s    <v>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

(End)                                           Patricia Bauer [CDS] 08-Feb-1996