Inflection points on the light curves of type-Ia supernovae

被引：0

作者：

Pavlyuk, NN ^{[1
]}

Tsvetkov, DY ^{[1
]}

Pskovskii, YP ^{[1
]}

Bartunov, OS ^{[1
]}

机构：

[1] Moscow M V Lomonosov State Univ, Sternberg Astron Inst, Moscow 119899, Russia

来源：

ASTRONOMY LETTERS-A JOURNAL OF ASTRONOMY AND SPACE ASTROPHYSICS | 1998年 / 24卷 / 06期

关键词：

D O I：

暂无

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The positions of inflection points on the light curves of type-Ia supernovae are determined. The distributions of absolute magnitudes M-B and M-V are studied for them for the first time. The standard deviation of M-B at the inflection point is similar to 0.(m)47, which is approximately a factor of 1.5 smaller than that at the point of maximum. The interstellar extinction for type-Ia supernovae is shown to be 0.(m)9 in B, on the average.

引用

页码：826 / 834

页数：9

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