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Supernova information:

SN............... : 1999as
SN.in.Cat........ : 1999as
SN R.A........... : 09 16 30.86
SN Decl.......... : +13 39 02.2
Offset E/W....... :
Offset N/S....... :
Galaxy........... :
Gal R.A.......... : 09 16 30.60
Gal Decl......... : +13 39 00.0
SN Gal uncert.... :
Type of SN....... : IcPec
SN Mag........... : >18.3
SN Mag Band...... : V
Date of discovery : 1999-02-18
Date of max...... :
Redshift......... : 0.119999
Gal Mag.......... :
Gal Mag Band..... :
Gal Mag Ref...... :
Pos.angle........ :
Inclination...... :
Type of galaxy... :
Lg(a/b).......... :
Lg(10*D25)....... :
Code of Gal Type. :
SN uncert........ :
SN Survey........ : SCP
Discoverer(s).... : Supernova Cosmology Project (SC)
Comment on SN.... : SN 1999as is the most luminous supernova ever discovered, with peak magnitude M_V<=-21.5. Hypernova with 4 * Msun Ni56 ejected? See Deng et al., 2001, ASPC, 251, 238. http://adsabs.harvard.edu/full/2001ASPC..251..238D. Also See IAU Circ.7128, 1999.
Comment on Gal... : Host 1999as

Host Galaxy information (for SNe discovered since January 2015):

True Host?....... :
Host in LEDA..... :
Host in NED...... :
Host in SDSS..... :
Comment.......... :

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