Optical observations of the recurrent Nova associated with A0620-00 : 1917-1975.
Optical observations of the recurrent Nova associated with A0620-00 : 1917-1975.
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与 A0620-00 相关的复发新星的光学观测:1917-1975。
DOI:
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发表时间:
1976
期刊:
影响因子:
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通讯作者:
W. Liller
中科院分区:
文献类型:
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作者:
L. A. Eachus;E. Wright;W. Liller
A previous outburst of the eruptive star associated with the transient X- ray source A0620-00, first detected in 1975 August, has been discovered on Harvard plates taken in 1917. We present the light curve of the earlier event and conclude that this star is a typical recurrent nova with an absolute magnitude M/sub V/=-5.9+-0.5 at maximum brightness. The A0620-00 star has no detectable proper motion, and there appears to be little interstellar absorption. Our best estimate of its distance is 11+-3 kpc. A0620-00 is only 30.6$sup 0$ from the direction of the galactic anticenter, and therefore must be located well beyond the detectable limits of our Galaxy. (AIP)