GJ 1245 (Gliese 1245) is a double star with components G 208-44 and G 208-45, 14 light-years away, relatively close to the
Solar System
The Solar SystemCapitalization of the name varies. The International Astronomical Union, the authoritative body regarding astronomical nomenclature, specifies capitalizing the names of all individual astronomical objects but uses mixed "Solar S ...
. G 208-44 is itself a closer double star made up of two
red dwarf
''Red Dwarf'' is a British science fiction comedy franchise created by Rob Grant and Doug Naylor, which primarily consists of a television sitcom that aired on BBC Two between 1988 and 1999, and on Dave since 2009, gaining a cult following. T ...
s, while G 208-45 is also a red dwarf. GJ 1245 is the 37th
closest stellar system to the Solar System, located in the constellation
Cygnus. GJ 1245 A and B are active flare stars,
and the pair are collectively designated V1581 Cygni.
The largest of the three stars, G208-44 A (GJ 1245 A) is only 11% the
Sun's mass. Of the other two stars, G 208-44 B (GJ 1245 C), is closest to star A at 8
AU away; it is 7% of the Sun's Mass. The third star, GJ 1245 B, is 33 AU away from star A, and is 10% of the Sun's Mass; it would appear as bright as
Venus
Venus is the second planet from the Sun. It is sometimes called Earth's "sister" or "twin" planet as it is almost as large and has a similar composition. As an interior planet to Earth, Venus (like Mercury) appears in Earth's sky never fa ...
does from
Earth
Earth is the third planet from the Sun and the only astronomical object known to harbor life. While large volumes of water can be found throughout the Solar System, only Earth sustains liquid surface water. About 71% of Earth's surfa ...
when viewed from star A.
See also
*
List of nearest stars
References
Further reading
*
*
*
Table with parallaxes
External links
* http://jumk.de/astronomie/near-stars/v1581-cygni.shtml
* http://www.answers.com/topic/list-of-nearest-stars?cat=travel
* http://www.richweb.f9.co.uk/astro/nearby_stars.htm
Local Bubble
Triple star systems
Cygnus (constellation)
1245
Year 1245 ( MCCXLV) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar.
Events
By place
Europe
* Winter – Siege of Jaén: Castilian forces under King Ferdinand III (the Saint) bes ...
Cygni, V1581
M-type main-sequence stars
Ursa Major Moving Group
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