Abstract
ABSTRACT The U, B, V, and R light curves exhibit the typical forms of a Type I SN and suggest that the maximum occurred on JD2444672 when the SN was at Bmax = 12.00. The color indices (B-V) and (U-B) vary in systematic fashion with time and follow closely the mean evolution found from previous Type I SN by Pskovskii (1967, 1970, 1977). Assuming that the absolute magnitude of SN 1981b is M0max = -18.5, based on previous Type I SN on the zero point of the de Vaucouleurs distance scale, then the distance modulus of NGC 4536 is 30.29; this is in excellent agreement with the mean modulus, 30.1 + or - 0.3, derived from eight tertiary and quaternary indicators on the same zero point. Both of these values are about 1.5 m lower than the distance modulus that would be derived from the redshift of the galaxy, even on the same zero point.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callMore From: Publications of the Astronomical Society of the Pacific
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
