(fwd) Re: [vsnet-chat 2139] Re: Supernovae estimates using USNO SA2.0 Subject: Re: [vsnet-chat 2139] Re: Supernovae estimates using USNO SA2.0 Date: Tue, 20 Jul 1999 12:57:55 -0400 From: Stupendous Man <richmond@a188-l009.rit.edu> > > (3) there is more error in proper background subtraction > > (e.g. galaxy contamination) than in zero point setting > > for most amateur measurements. > > Yes, this is a problem. I wonder whether there is a good written > prescription for SN phorometry other than elaborated profile fitting > routines. Richmond et al., Astronomical Journal, vol 109, p. 2121 (1995). -- ----- Michael Richmond "This is the heart that broke my finger." mwrsps@rit.edu http://stupendous.rit.edu/richmond/