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Astrophysics: Brightness Changes in Quasars


Book ID
109665154
Publisher
Nature Publishing Group
Year
1968
Tongue
English
Weight
133 KB
Volume
219
Category
Article
ISSN
0028-0836

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๐Ÿ“œ SIMILAR VOLUMES


Brightness changes in P/Halley
โœ P. S. Goraya; R. K. Srivastava; Wahab Uddin ๐Ÿ“‚ Article ๐Ÿ“… 1988 ๐Ÿ› Springer Netherlands ๐ŸŒ English โš– 114 KB

Thirty photometric magnitudes, in each filter (UBV), of P/Halley (19821) have been measured on 1986, January 12. They show short-term variability of about 0.15 magnitude. The present measurements show the active nature of the comet.

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Rapid changes of brightness in P/Halley
โœ P. S. Goraya; Wahab Uddin; R. K. Srivastava ๐Ÿ“‚ Article ๐Ÿ“… 1987 ๐Ÿ› Springer Netherlands ๐ŸŒ English โš– 303 KB

The results of photometric measurements (in UBV filters) of Comet P/Halley during four nights in January 1986 have been presented. Rapid recurring increases of P/Halley's brightness were observed during these four nights. This phenomenon seemed to occur at a time interval of about 23.7 + 0.3 hr. The