Phi And

Parameters of the H-alpha line (single peak)
         Date
year/month/day
Equiv. width
          A
       FWHM
         km/s
Peak separation
         km/s
            V/R Blue peak intens.
continuum units
Red peak intens.
continuum units
Centr.peak/depres
continuum units
     Reference 
    1975/12          2.59           215                   1.56  ApJS, 38, 205,1978
    1976/11          2.46           229                   1.50  ApJS, 38, 205,1978
    1977/01          2.48           226                   1.51  ApJS, 38, 205,1978
    1980/12/28          4.2           138                   2.7*  A&AS, 48,93,1982
    1989/01/06          4.74           144                   2.48  ApJS, 81, 335,1992
    1998/12/22          4.0           146                   2.12 A&AS,147,229,2000
    2000/09/05          4.27           145                   1.95    This page
    2000/09/13          4.31           145                   1.96    This page
    2000/09/20          4.07           135                   1.91    This page
    2000/10/30          4.06           137                   1.91    This page
    2001/01/07          4.22           145                   1.91    This page
    2001/08/07          4.18           130                   1.94    This page
    2001/08/29          4.10           133                   1.92    This page
    2001/08/30          4.06           132                    1.91    This page
    2001/09/06          4.24           135                   1.95    This page

*  the maximum intensity was measured with respect to the emission line base below the continuum

Sample H-alpha profiles


Last updated: 2001 September 25