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HR — Bright Star Catalogue (Harvard Revised Catalogue) Hrg — L. Hargrave (double stars) Hrr — Harrington (telescopic asterisms) HΣ — Hermann Struve (double stars) HS — Hamburg Survey (quasars and blue stars) HSC — Hubble Source Catalog [21] (lists of sources from the Hubble Space Telescope) Hst — C.S. Hastings (double stars)
Since this catalog is a continuation of the Harvard Revised Photometry Catalogue, it uses the same prefix, HR. To keep this category in order, please add objects to this category by using the markup [[Category:HR objects|####]] .
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The catalog lists 9,110 objects, of which 9,095 are stars, 11 are novae or supernovae (which were "bright stars" only at the time when they were at their peak), [1] and four are non-stellar objects which are the globular clusters 47 Tucanae (designated HR 95) and NGC 2808 (HR 3671), and the open clusters NGC 2281 (HR 2496) and Messier 67 (HR ...
HR 5171, also known as V766 Centauri, is a yellow hypergiant in the constellation Centaurus. It is said to be either an extreme red supergiant (RSG) or recent post-red supergiant (Post-RSG) yellow hypergiant (YHG), both of which suggest it is one of the largest known stars .
It has the designation HR 1362 from the Bright Star Catalogue; EK Eridani is the variable star designation, abbreviated EK Eri. This star is dimly visible to the naked eye with a brightness that fluctuates around 6.15. [2] Based on parallax measurements, it is located at a distance of 209 light years from the Sun.
HD 44506 is a solitary, [15] blue hued star located in the southern constellation Columba.The object is also called HR 2288, which is its Bright Star Catalog designation. It has an average apparent magnitude of 5.52, [3] making it faintly visible to the naked eye under ideal conditions.