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<h1> SN 2002ap Ic Hypernova in M74 (NGC 628) </h1>
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<a href="../../../../../writer/chaucer/chaucer_astrolabe.png">
<img src="../../../../../writer/chaucer/chaucer_astrolabe_thumb.png" align=right width=20%
alt="Geoffrey Chaucer with an astrolabe."> </a>
<pre>
OBJ: SN 2002ap Ic hypernova in M74 (NBC 628, an Sc galaxy). See
<a href="http://leda.univ-lyon1.fr/ledacat.cgi?NGC628&ob=ra">Leda: M74</a>.
DISCOVERY: 2002jan29 by amateur Yoji Hirose of Chigasaki, Kanagawa-ken.
MAX: 2002feb07 +/- 2 UT n B from \citet{gal-yam2002}.
This <a href="../../../days.html">day of the year 38</a>.
SUPERNOVA of the YEAR: <a href="../../../desig.html#desig_of_year">42</a>.
HEADER: <a href="http://www.nhn.ou.edu/~jeffery/">D. J. Jeffery (2006jan01)</a>.
REF:
<a href="../../../../../aalib/aastex/ref.html#foley2003">
\bibitem[foley et al.(2003)]{foley2003}
Folatelli, G., et al. 2006, PASP, 115, 1220
%<a href="http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bibcode=2003PASP..115.1220F&db_key=AST&data_type=HTML&format=&high=4456ac2c7328888">
% ADS Reference</a>
% 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.
<a href="../../../../../aalib/aastex/ref.html#gal-yam2002">
\bibitem[Gal-Yam et al.(2002)]{gal-yam2002} Gal-Yam, A., Ofek, E. O., Shemmer, O. 2002, MNRAS, 332, L73
%<a href="http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bibcode=2002MNRAS.332L..73G&db_key=AST&data_type=HTML&format=&high=445434aee107528">
% ADS reference</a>
% Supernova 2002ap: the first month
% A Ic hypernova without a gamma-ray burst, but weakish hypernova.
% An it may have had a jet.
<a href="../../../../../aalib/aastex/ref.html#kawabata2002">
\bibitem[Kawabata et al.(2002)]{kawabata2002} Kawabata, K., et al. 2002, \apj, 580, L39.
%<a href=http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bibcode=2002ApJ...580L..39K&db_key=AST&data_type=HTML&format=&high=445434aee107528">
% ADS Reference</a>
% The polarization data of SN 2002ap Ic hypernova that suggested that a jet formed.
% 31 coauthors: Kawabata, Jeffery, ... Mazzali ... Nomoto.
<a href="../../../../../aalib/aastex/ref.html#yoshii2003">
\bibitem[Yoshii et al.(2003)]{yoshi2003} Yoshii, Y., et al. 2003, \apj, 592, 467
%<a href="http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bibcode=2003ApJ...592..467Y&db_key=AST&data_type=HTML&format=&high=445434aee105156">
% ADS reference</a>
% 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
<a href="http://leda.univ-lyon1.fr/ledacat.cgi?NGC628&ob=ra">Leda: M74</a>.
<a href="../../../../../aalib/aastex/ref.html#folatelli2006">
\bibitem[folatelli et al.(2006)]{follatelli2006}</a> give 5670 km/s).
not dereddened ??? (Galactic foreground .30/4... =.075
<a href="../../../../../aalib/aastex/ref.html#schlegel1998">Schlegel et al. (1998)</a>
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).
<hr>
&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=
/
<hr>
<a href="./figure/sn2002ap_2002_.gif">
<img src="./figure/sn2002ap_2002_.gif" align=middle width=80%
alt="./figure/sn2002ap_2002_.gif"> </a>
<a href="./figure/sn2002ap_2002_.ps">Postscript plot of the spectrum.</a>
<hr>
<a href="./figure/sn2002ap_2002_.dif.gif">
<img src="./figure/sn2002ap_2002_.dif.gif" align=middle width=80%
alt="./figure/sn2002ap_2002_.dif.gif"> </a>
<a href="./figure/sn2002ap_2002_.dif.ps">Postscript plot of the spectrum</a> with local normalization.
<hr>
FITS: Fits format information from the observers.
END: