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Supernova information:

SN............... : 1999bw
SN.in.Cat........ : 1999bw
SN R.A........... : 10 19 46.81
SN Decl.......... : +45 31 35.0
Offset E/W....... : 85.8W
Offset N/S....... : 83.8S
Galaxy........... : NGC3198
Gal R.A.......... : 10 19 55.01
Gal Decl......... : +45 32 59.4
SN Gal uncert.... :
Type of SN....... : Ib:
SN Mag........... : =17.3
SN Mag Band...... : undef
Date of discovery : 1999-04-20
Date of max...... : 1999-05-08
Redshift......... : 0.00221
Gal Mag.......... : 10.885
Gal Mag Band..... : B
Gal Mag Ref...... : LEDA
Pos.angle........ : 27.9
Inclination...... : 75
Type of galaxy... : Sc
Lg(a/b).......... : 0.504
Lg(10*D25)....... : 1.872
Code of Gal Type. : 5.2 +/- 0.6
SN uncert........ :
SN Survey........ : LOSS
Discoverer(s).... : Lick Observatory Supernova Search (LI)
Comment on SN.... : A.V.Filippenko and R.Chornock argue that this SN as well as 2000ch, 2001ac and 2002kg might not be genuine supernovae, but rather superoutbursts of luminous variable stars. See IAU Circ. 8051, 2003
Comment on Gal... : N 3198

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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