| 词条 | HD 57821 |
| 释义 |
|constell= Canis Major |name= HD 57821 |type= B5 II/III[1] |ra= {{RA|07|22|13.52901}}[1] |dec= {{DEC|-19|00|59.7646}}[1] |names={{odlist|BD= -18° 1806|FK5= 2570|HIP= 35727|HD= 57821|HR= 2812|SAO= 152776}}[1] }} HD 57821 is a star in the constellation Canis Major. Its apparent magnitude is 4.96. References1. ^1 2 3 SIMBAD, HR 2812 (accessed 30 August 2012) {{Stars of Canis Major}}{{giant-star-stub}} 7 : Canis Major|B-type bright giants|Durchmusterung objects|Henry Draper Catalogue objects|Hipparcos objects|HR objects|Gould objects |
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