期刊
ASTRONOMY & ASTROPHYSICS
卷 457, 期 3, 页码 857-U72出版社
EDP SCIENCES S A
DOI: 10.1051/0004-6361:20065530
关键词
gamma rays : bursts : X-rays : individuals : GRB 060218; supernovae : individual : SN 2006aj
资金
- Science and Technology Facilities Council [PP/D000920/1, PP/E003303/1] Funding Source: researchfish
- STFC [PP/D000920/1, PP/E003303/1] Funding Source: UKRI
The supernova SN 2006aj associated with GRB 060218 is the second-closest GRB-SN observed to date (z = 0.033). We present Very Large Telescope, Liverpool Telescope, and Katzman Automatic Imaging Telescope multi-color photometry of SN 2006aj. This supernova is found to be subluminous and rapidly evolving. Its early light curve includes an additional wavelength-dependent component, which can be interpreted as shock break-out. We compare the photometric evolution of multi-band light curves with the corresponding properties of the present sample of more than 10 GRB-SNe with precisely known redshifts. Using host-galaxy extinction measurements, we derive extinction-corrected GRB-SN luminosities and place SN 2006aj in the context of this GRB-selected supernova sample as well as in the context of local stripped-envelope supernovae.
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