SGR 1900+14

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SGR 1900+14

Observation data
Epoch J2000
Constellation
(pronunciation)
Aquila
Right ascension 19h 07m 16.85s
Declination +09° 18' 50.4"'
Characteristics
U-B color index ?
B-V color index ?
Variable type None
Astrometry
Distance 20 kly (6.1 kpc)
Details
Mass ? M
Radius ? R
Luminosity ? L
Temperature ? K
Metallicity ?
Rotation ?
Age ? years
Other designations

SGR 1900+14, is located in the constellation of Aquila about 20,000 light-years away. It is an example of an intensely magnetic star, known as a magnetar, which is thought to arise from a fairly recent supernova explosion; only four are known to exist for certain within our Milky Way Galaxy. Could be a possible super-magnetic quark star.

NASA’s Spitzer Space Telescope detected a mysterious ring around SGR 1900+14 at two narrow infrared frequencies in 2005 and 2007. The 2007 Spitzer image showed no discernable change in the ring after two years. The ring measures seven light-years across. The origin of the ring is currently unknown and is the subject of an article in the May 29, 2008 issue of the journal Nature. [1]

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