V1331 Cygni

V1331 Cygni
	; V1331 Cygni as photographed by the Hubble Space Telescope
Observation data; Epoch J2000 Equinox J2000
Constellation	Cygnus
Right ascension	21h 01m 09.20684s[1]
Declination	+50° 21′ 44.8033″[1]
Apparent magnitude (V)	11.99[2]
Characteristics
Spectral type	G7-K0IV[3]
Astrometry
Proper motion (μ)	RA: 0.980[1] mas/yr ; Dec.: −3.783[1] mas/yr
Parallax (π)	1.6760 ± 0.0237[1] mas
Distance	1,950 ± 30 ly ; (597 ± 8 pc)
Details[3]
Mass	2.8 M☉
Radius	5 R☉
Temperature	5200 K
Other designations
	V1331 Cyg, GSC 03596-00959, 2MASS J21010920+5021445
Database references
SIMBAD	data

V1331 Cygni (also known as V1331 Cyg) is a young star in the constellation Cygnus. V1331 Cyg is located in the dark nebula LDN 981.[4]

V1331 Cygni is most noted for having an arc-like reflection nebula surrounding it. This circumstellar disc is a great birthplace for young stars, which form in the cloud.[5] V1331 Cygni is heavily obscured by dust, so the properties of the central star are hard to deduce; however, it is estimated to have a radius five times that of the Sun and a mass of 2.8 M_☉.[3]

Gallery

V1331 Cygni by Judy Schmidt
Dark nebula LDN 981 and V1331 Cygni (top center) by the Mount Lemmon SkyCenter

References

Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR.
Zacharias, N. (2012). "The fourth US Naval Observatory CCD Astrograph Catalog (UCAC4)". VizieR On-line Data Catalog. Bibcode:2012yCat.1322....0Z.
Petrov, P. P.; Kurosawa, R.; Romanova, M. M.; Gameiro, J. F.; Fernandez, M.; Babina, E. V.; Artemenko, S. A. (2014). "Facing the wind of the pre-FUor V1331 Cyg". Monthly Notices of the Royal Astronomical Society. 442 (4): 3643. arXiv:1406.1660. Bibcode:2014MNRAS.442.3643P. doi:10.1093/mnras/stu1131.
"A young star takes centre stage". Hubble Space Telescope. Retrieved 10 May 2019.
Choudhary, A.; Stecklum, B.; Linz, Hendrik (2016). "Hubble imaging of V1331 Cygni: proper motion study of its circumstellar structures". Astronomy & Astrophysics. 590: A106. arXiv:1604.03667. Bibcode:2016A&A...590A.106C. doi:10.1051/0004-6361/201527547. S2CID 118448991.

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[GaiaDR2-1] Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR.

[UCAC4-2] Zacharias, N. (2012). "The fourth US Naval Observatory CCD Astrograph Catalog (UCAC4)". VizieR On-line Data Catalog. Bibcode:2012yCat.1322....0Z.

[Petrov-3] Petrov, P. P.; Kurosawa, R.; Romanova, M. M.; Gameiro, J. F.; Fernandez, M.; Babina, E. V.; Artemenko, S. A. (2014). "Facing the wind of the pre-FUor V1331 Cyg". Monthly Notices of the Royal Astronomical Society. 442 (4): 3643. arXiv:1406.1660. Bibcode:2014MNRAS.442.3643P. doi:10.1093/mnras/stu1131.

[4] "A young star takes centre stage". Hubble Space Telescope. Retrieved 10 May 2019.

[ProperMotionOfV1331Cygni-5] Choudhary, A.; Stecklum, B.; Linz, Hendrik (2016). "Hubble imaging of V1331 Cygni: proper motion study of its circumstellar structures". Astronomy & Astrophysics. 590: A106. arXiv:1604.03667. Bibcode:2016A&A...590A.106C. doi:10.1051/0004-6361/201527547. S2CID 118448991.