From Wikipedia, the free encyclopedia
Star in the constellation Sagittarius
GCIRS 7 is a
red supergiant located in the
Galactic Center. It is very bright and is one of the
largest stars currently discovered, with a size about 960 solar radii.
[2] If placed in the
Solar System, its photosphere would nearly engulf the orbit of
Jupiter.
[2]
See also
References
- ^
a
b
c
d
e
f
"SIMBAD query result: GCIRS 7 -- Star". SIMBAD.
Centre de Données astronomiques de Strasbourg. Retrieved 5 June 2020.
- ^
a
b
c
d
e
f Paumard, T; Pfuhl, O; Martins, F; Kervella, P; Ott, T; Pott, J-U; Le Bouquin, JB; Breitfelder, J; Gillessen, S; Perrin, G; Burtscher, L; Haubois, X; Brandner, W (2014). "GCIRS 7, a pulsating M1 supergiant at the Galactic centre . Physical properties and age". Astronomy & Astrophysics. 568 (85): A85.
arXiv:
1406.5320.
Bibcode:
2014A&A...568A..85P.
doi:
10.1051/0004-6361/201423991.
S2CID
119233940.
- ^
a
b Tsuboi, Masato; Kitamura, Yoshimi; Tsutsumi, Takahiro; Miyawaki, Ryosuke; Miyoshi, Makoto; Miyazaki, Atsushi (2020-04-01). "Sub-millimeter detection of a Galactic center cool star IRS 7 by ALMA". Publications of the Astronomical Society of Japan. 72 (2): 36.
arXiv:
2002.01620.
Bibcode:
2020PASJ...72...36T.
doi:
10.1093/pasj/psaa013.
ISSN
0004-6264.
S2CID
211032112.
- ^
a
b Carr, John S.; Sellgren, K.; Balachandran, Suchitra C. (2000). "The First Stellar Abundance Measurements in the Galactic Center: The M Supergiant IRS 7". The Astrophysical Journal. 530 (1): 307.
arXiv:
astro-ph/9909037.
Bibcode:
2000ApJ...530..307C.
doi:
10.1086/308340.
S2CID
12036617.
-
^ Pott, J.-U.; Eckart, A.; Glindemann, A.; Kraus, S.; Schöde, R.; Ghez, A. M.; Woillez, J.; Weigelt, G. (2008). "First VLTI infrared spectro-interferometry on GCIRS 7". Astronomy & Astrophysics. 487: 413–418.
arXiv:
0805.4408.
Bibcode:
2008A&A...487..413P.
doi:
10.1051/0004-6361:200809829.
S2CID
14697759.