The galactic nova rate

The galactic nova rate
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银河系新星发生率

DOI:
10.1007/3-540-53500-4_95
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发表时间:
1990
期刊:
--
影响因子:
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通讯作者:
R. Claudi
R. Claudi
中科院分区:
--
文献类型:
--
作者:
M. Valle;R. Claudi

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最近建立的M31和M33新星速率值,rM 31 = 29 ± 4新星yr-1(Capaccioli等人,1989),rM 33 = 4 ± 2新星yr−1(Della瓦莱,1988),似乎与目前估计的银河系新星率,r = 260新星yr−1(Sharov,1972)和r = 73 ± 24新星yr−1(Liller和Meyer,1987)有差异,如果我们考虑到银河系的光度等级和哈勃类型的话。假设旋涡星系每单位B光度的新星产生量是常数,并采用M31、M33和大麦哲伦星系的新星速率作为校准,我们估计星系新星速率为rGal = 15 ± 5新星yr−1。
The recently estabilished values of M31 and M33 nova rate, rM31 = 29 ± 4 novae yr−1 (Capaccioli et al.,1989), rM33 = 4 ± 2 novae yr−1 (Della Valle, 1988), seems to be at variance with the present estimates for the galactic nova rate, r = 260 novae yr−1 (Sharov,1972) and r = 73 ± 24 novae yr−1 (Liller and Meyer,1987), if we take into account the luminosity class and the Hubble type of the Galaxy. Assuming the nova production per unit of B–luminosity about constant for spiral galaxies and adopting the derived values of the nova rate of M31, M33 and LMC as calibrators, we estimate a galactic nova rate of rGal = 15 ± 5 novae yr−1.