SN 2002ap Ic Hypernova in M74 (NGC 628)

OBJ:  SN 2002ap Ic hypernova in M74 (NBC 628, an Sc galaxy).  See 
          Leda:  M74.
DISCOVERY:   2002jan29 by amateur  Yoji Hirose of Chigasaki, Kanagawa-ken.
MAX:  2002feb07 +/- 2 UT n B from \citet{gal-yam2002}.
           This day of the year 38.
SUPERNOVA of the YEAR:  42.

HEADER:  D. J. Jeffery (2006jan01).

REF:
       
       \bibitem[foley et al.(2003)]{foley2003}
        Folatelli, G., et al. 2006, PASP, 115, 1220
%
        % ADS Reference
        % 9 coauthors including Filippenko and Mazzli. 
        % Optical Photometry and Spectroscopy of the SN 1998bw-like Type Ic Supernova 2002ap Ic hypernova.
        % Some SN 2002ap spectra, but not those in David Branch's archive. 

       
\bibitem[Gal-Yam et al.(2002)]{gal-yam2002} Gal-Yam, A., Ofek, E. O., Shemmer, O. 2002, MNRAS, 332, L73 
%
     % ADS reference
     % Supernova 2002ap: the first month
     % A Ic hypernova without a gamma-ray burst, but weakish hypernova.
     % An it may have had a jet.

       
\bibitem[Kawabata et al.(2002)]{kawabata2002} Kawabata, K., et al. 2002, \apj, 580, L39.
%
        % ADS Reference
        % The polarization data of SN 2002ap Ic hypernova that suggested that a jet formed.
        % 31 coauthors:  Kawabata, Jeffery, ... Mazzali ... Nomoto.

       
\bibitem[Yoshii et al.(2003)]{yoshi2003} Yoshii, Y., et al. 2003, \apj, 592, 467
%
% ADS reference
     % The Optical/Near-Infrared Light Curves of SN 2002ap for the First 140 Days after Discovery 
     % 14 coauthors
     % A Ic hypernova without a gamma-ray burst, but weakish hypernova.
     % And it may have had a jet.



REP:  F_lambda (erg/cm2/s/A) ??? vs. lambda (ang)  (iformat = 1)
COR:  not deredshifted ??? (heliocentric velocity 656 +/- 2 and 
        v_hel corrected for CMB radiation 363 km/s from
   Leda:  M74.
     
        \bibitem[folatelli et al.(2006)]{follatelli2006} give 5670 km/s).
      not dereddened ??? (Galactic foreground .30/4... =.075
     Schlegel et al. (1998)
      not smoothed ????, not photometric ????
      Derived B maximum is 2002feb07 (see above).

OBS:  ????

Date: 2002 () with 2002feb07 (38) for B maximum gives:
      day =  - 38 =  (See JD in FITS information below).



&specnamelist
   aname='sn2002ap Ic_hyp  2002_'
   ebv=.075
   epoch=          ! This parameter needs to updated for the particular spectrum.
   iformat=1
   itick=2
   itickln=4
   t_rise=20.d0      ! default 
   v_helio=656.
   ymin2=.2d-16
   ymax2=4.5d-16
   ymin3=.3
   ymax3=3.
   wlammin1=3800.d0
   wlammax1=
   wlammin2=3800.d0
   wlammax2=
   wlammin3=3800.d0
   wlammax3=
/




      

Postscript plot of the spectrum.




      

Postscript plot of the spectrum with local normalization.




FITS: Fits format information from the observers.


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