IIb SN 2010gi

IIb SN 2010gi 2012-03-08 WS 1051erg~

1 100 56Ni 56Co 56Fe

M81 SN 1993JII IbHHeC+OHeC+OWRH /

HHeC+OIIb MNiEjecta mass MejSN 2010gi 2010/07/18.51 (UT) 6500

1.5m HOWPol1.3m LOSA/F2R~550 (4000-8000A)8.2m FOCAS R~10005500A

7/19-10/6 7/19-8/31 9/30+60

~ +0~ -10~ +60 HCBET 2384 H HeHeH HeHeHeHeH +30

B + 1.2VR 1.2I 2.456Co 10gi 93J

V V~ -15.8

V 0-101093J : tr ~12 days08D : tr ~ 18 days-15.0-15.5MNi ~ 0.014 0.021 M Ni MNi Lmax~4.1x1041erg/st rt = tr Lmax Lmax = ENi ( tr )trrising time; SN 2010gi tr

tr tr

V 01020v ~ 8 10103km/s-101020155 [103km/s] Ejecta mass MejMej~1.2-2.6Mv tr Mej v ( Ek ) trMej3/4Ek-1/4Ek1/2Mej-1/2tr tr~12-18 daysvv Ni Ejecta mass SN 1993J SN 1993JSN 2010giMNi(M)0.08(Shigeyama et al. 1994)0.014-0.021Mej(M)1.9-3.5(Young et al. 1995)1.2-2.6SN 1993J IIL

IIb

Ib

IIP

0100Days after maximum lightIILIIPIbBlue magnitudeFilippenko (1997)IILSN 1979CIIL

10gi0 M~10 MSN 2010gi MNi Ejecta mass Mej SN 1993J SN 2010gi /