SN 2002bf Ia in PGC 029953

OBJECT:  SN 2002bf Ia in PGC 029953 (SBb galaxy) which in Leda is 
         Leda:  PGC 029953.  
DISCOVERY:  2002feb22.30 UT by Martin & Li (2002) 
MAXIMUM:  2002mar04.37 (JD 2452337.87) in B (leonard2005b, p. 458).
          See the US Navy Observatory 
          Julian Date Converter.
          But sometimes USNO can't be reached and one can try this
          Commercial Julian Date Converter. 
          This day of the year 63.
SUPERNOVA of the YEAR:  M = 58.

HEADER:  Header Common header information for this supernovae.
         The common header may (or may not) be updated relative to the header information here 
         (D. J. Jeffery (2007jan01)).

COMMENTS:   This is a very peculiar SN Ia.


SPECTRUM LOG:

     JD times for the SN 2002bf spectra of leonard2005b
     Bmax from leonard2005b where the full JD Bmax is JD 2452337.87
     but the error is probably at least .5 days.

     JD Bmax   Heliocentric velocity (Leda)
     2337.87   7271.
 
 
     Heliocentric velocity     Z redshift
           7271.0000000000   0.0242534454
 
     Index     JD of some kind Observer phase     Rest phase
 
         1     2340.9100000000   3.0400000000   2.9680154006     ! leonard2005b 2002mar07.41   3900--8800.00 (observer)
         2     2344.9400000000   7.0700000000   6.9025884482     ! leonard2005b 2002mar11.44   3300--10400.0 (observer)

REFERENCES:

        CfA List of Supernovae
        where SN 2002bf is noted.

        CfA Supernova Archive
        This has 0 SN 2002bf spectra and 0 photometry.

        conley2006 General value
        of 19.4 days for Ia rise time in B.

        leonard2005b 
        On SN 2002bf and other 3 other SNe Ia.  There are only 2 02bf spectra, but they
        have very high S/N since they were for spectropolarimetry.  Smoothing needed? 

       paturel2003 (Leda) Leda refererence.

        SUSPECT Index.

        SUSPECT Index:  SN 2002bf Ia.
        There are 0 spectra.  But there is a great picture of 
        Fritz Zwicky (Wikipedia).


CORRECTIONS:  Heliocentric velocity 7271 +/- 38 km/s (2007jun30) from
              Leda:  PGC 029953.  
              Galactic foreground 0.05/4=.0125 reddening from
              Leda:  PGC 029953.  
              This is derived from
              Schlegel et al. (1998).



COMMENTS:

OBSERVATIONS:  From (1).
               1) David Branch /home/branch/synow/02bf:  there are the 2 leonard2005b spectra. 

PHASE:

       For consistency we always use rest phase and for explicitness to more digits than are significant.

       observer phase =
       rest phase =


&specnamelist
   aname='sn2002bf Ia 2002_03_'
   ebv=.0125       ! 
   epoch=          ! This parameter needs to updated for the particular spectrum.
   idifmake=0
   iformat=1
   ismooth=0       ! Smoothing is probably not needed with high S/N spectra.
                   ! But it is needed in some cases.
   itick=2
   itickln=4
   t_rise=19.4d0   ! conley2006, just an average rise time. 
   v_helio=7271.
   ymin2=0.1d0
   ymax2=1.d0
   ymin3=.3
   ymax3=3.
   wlammin1=
   wlammax1=
   wlammin2=
   wlammax2=
   wlammin3=
   wlammax3=
/




      

Postscript plot of the spectrum.




      

Postscript plot of the spectrum with local normalization.




FITS: Fits format information from the observers if any.

END: