28 Cyg

Parameters of the H-alpha line
         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
    1976/11        13.89           528                    2.15 ApJS,38, 205, 1978
    1977/06        12.80           569                    1.98 ApJS,38, 205, 1978
    1981/06/18        14.2           405           174             1.0            2.4           2.4   A&AS,53,319,1983
    1989/10/06        12.00           402           201             1.00            2.33           2.33            1.94 ApJS, 81, 335, 1992
    1999/07/13        18.77           405           210             1.04            2.59           2.53            2.15  This page
    1999/07/15        19.71           410           220             1.04            2.70           2.63            2.22  This page
    1999/07/16        18.45           408           205             1.07            2.61           2.51            2.13  This page
    1999/08/06        19.24           405           210             1.00            2.62           2.62            2.19  This page
    1999/08/31        19.08           405           210             0.97            2.63           2.68            2.19  This page
    1999/09/15        19.32           405           195             0.99            2.69           2.70            2.20  This page
    1999/09/17        19.38           405           195             0.94            2.64           2.74            2.19  This page
    1999/09/18        19.30           405           195             0.97            2.67           2.72            2.18  This page
    1999/09/19        19.50           400           195             0.90            2.59           2.76            2.16  This page
    1999/09/22        19.14           392           187             0.97            2.68           2.73            2.19  This page
    1999/09/23        19.20           395           195             0.94            2.61           2.71            2.21  This page
    1999/09/24        18.94           392           195             0.99            2.66           2.68            2.15  This page
    1999/09/25        19.00           390           195             0.95            2.64           2.72            2.17  This page
    1999/09/26        19.33           393           195             0.93            2.61           2.73            2.20  This page
    1999/10/01        19.83           392           185             0.98            2.78           2.82            2.23  This page
    1999/10/06        18.93           391           185             0.99            2.66           2.68            2.20  This page
    1999/10/07        19.03           393           187             1.02            2.72           2.69            2.18  This page
    1999/10/08        19.16           390           183             1.00            2.74           2.74            2.18  This page
    1999/10/12        19.50           395           190             0.99            2.72           2.74            2.21  This page
    1999/10/15        19.60           395           188             0.97            2.72           2.78            2.22  This page
    1999/10/16        19.10           395           195             0.98            2.68           2.71            2.21  This page
    1999/10/20        19.06           395           190             1.00            2.69           2.69            2.19  This page
    1999/10/21        18.96           390           185             0.99            2.70           2.71            2.18  This page
    1999/10/22        19.36           392           185             0.99            2.74           2.75            2.20  This page
    1999/10/25        19.07           395           188             0.99            2.68           2.69            2.21  This page
    1999/10/26        18.97           391           188             0.99            2.69           2.70            2.18  This page
    1999/10/27        19.18           386           182             1.02            2.74           2.70            2.19  This page
    1999/10/28        18.99           390           187             0.99            2.70           2.72            2.15  This page
    1999/10/29        18.76           387           187             0.96            2.64           2.70            2.15  This page
    1999/11/01        19.29           391           185             0.96            2.69           2.76            2.22  This page
    1999/11/05        18.31           386           184             1.01            2.66           2.64            2.14  This page
    1999/11/17        18.89           392           182             0.98            2.69           2.72            2.16  This page
    2001/07/15        18.57           400           200             1.04            2.58           2.52            2.09  This page
    2001/09/03        17.20           394           197             1.03            2.46           2.42            2.02  This page
    2001/09/17        17.62           375           192             0.91            2.43           2.58            2.09  This page
Sample H-alpha profiles

Last updated: 2001 September 21