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
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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.
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页码：826 / 834
页数：9
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