L1551 IRS 5

L1551 IRS 5 is a protostellar envelope surrounding a binary protostar system in the constellation of Taurus 450 light-years from Earth. The binary system itself is known as L1551 NE.[4] It is one of Jim Kaler's The 100 greatest stars.[5]

L1551 IRS 5
Observation data
Epoch J2000      Equinox J2000
Constellation Taurus
Right ascension 04h 31m 34.077s[1]
Declination 18° 08′ 04.90″[1]
Characteristics
Spectral type K3V/M3III[2]
Astrometry
Distance450 ly
(140[3] pc)
Details
A
Mass0.68[3] M☉
Radius4[3] R☉
Luminosity4.2[3] L☉
B
Mass0.13[3] M☉
Other designations
L551 IRS 5, 2MASS J04313407+1808049, IRAS 04287+1801, WISE J043134.12+180804.9
Database references
SIMBADdata

References
  1. Cutri, R. M.; Skrutskie, M. F.; Van Dyk, S.; Beichman, C. A.; Carpenter, J. M.; Chester, T.; Cambresy, L.; Evans, T.; Fowler, J.; Gizis, J.; Howard, E.; Huchra, J.; Jarrett, T.; Kopan, E. L.; Kirkpatrick, J. D.; Light, R. M.; Marsh, K. A.; McCallon, H.; Schneider, S.; Stiening, R.; Sykes, M.; Weinberg, M.; Wheaton, W. A.; Wheelock, S.; Zacarias, N. (2003). "VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)". VizieR On-line Data Catalog: II/246. Originally Published in: 2003yCat.2246....0C. 2246. Bibcode:2003yCat.2246....0C.
  2. Gramajo, Luciana V.; Rodón, Javier A.; Gómez, Mercedes (2014). "Spectral Energy Distribution Analysis of Class I and Class II FU Orionis Stars". The Astronomical Journal. 147 (6): 140. arXiv:1402.3240. Bibcode:2014AJ....147..140G. doi:10.1088/0004-6256/147/6/140.
  3. Takakuwa, Shigehisa; Saigo, Kazuya; Matsumoto, Tomoaki; Saito, Masao; Lim, Jeremy; Hanawa, Tomoyuki; Yen, Hsi-Wei; Ho, Paul T. P. (2017). "Spiral Arms, Infall, and Misalignment of the Circumbinary Disk from the Circumstellar Disks in the Protostellar Binary System L1551 NE". The Astrophysical Journal. 837 (1): 86. arXiv:1702.05562. Bibcode:2017ApJ...837...86T. doi:10.3847/1538-4357/aa6116. S2CID 119186924.
  4. Takakuwa, Shigehisa; Kiyokane, Kazuhiro; Saigo, Kazuya; Saito, Masao (2015). "Dispersing Envelope around the Keplerian Circumbinary Disk in L1551 NE and Its Implications for Binary Growth". The Astrophysical Journal. 814 (2): 160. arXiv:1510.08353. Bibcode:2015ApJ...814..160T. doi:10.1088/0004-637X/814/2/160. S2CID 119258719.
  5. http://www.chronon.org/reviews/100stars.html


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