2MASS J05002100 + 0330501
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L-dwarf 2MASS J05002100 + 0330501 |
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| AladinLite | |||||
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Observation dates equinox : J2000.0 , epoch : J2000.0 |
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| Constellation | Orion | ||||
| Right ascension | 05 h 00 m 21.01 s | ||||
| declination | + 03 ° 30 ′ 50.1 ″ | ||||
| Typing | |||||
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rel. Brightness (G-band) |
(18.92 ± 0.01) mag | ||||
| rel. Brightness (J-band) |
(13.67 ± 0.02) mag | ||||
| Spectral class | L4 pec | ||||
| Astrometry | |||||
| parallax | (76.21 ± 0.36) mas | ||||
| distance | (42.78 ± 0.21) ly (13.12 ± 0.06) pc |
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| Proper movement | |||||
| Rec. Share: | (10.20 ± 0.58) mas / a | ||||
| Dec. portion: | (−351.69 ± 0.40) mas / a | ||||
| Physical Properties | |||||
| Dimensions | (0.06 ± 0.01) M ☉ | ||||
| radius | (0.10 ± 0.01) R ☉ | ||||
| Luminosity |
(0.98 ± 0.05) × 10 −4 L ☉ |
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| Effective temperature | (1793 ± 72) K. | ||||
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Other names and catalog entries |
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2MASS J05002100 + 0330501 is an ultra-cool dwarf in the constellation Orion . It was published in 2008 by I. Neill Reid et al. discovered. It belongs to the spectral class L4. Its position shifts by 0.35 arcseconds annually due to its own motion .
Web links
- Entry at DwarfArchives.org (English)
- Discovery paper: bibcode : 2008AJ .... 136.1290R (English)
Individual evidence
- ↑ a b c d e f 2MASS J04455387-3048204. In: SIMBAD . Center de Données astronomiques de Strasbourg , accessed on October 11, 2019 .
- ↑ a b c d Joseph C. Filippazzo, Emily L. Rice, Jacqueline Faherty, Kelle L. Cruz, Mollie M. Van Gordon, Dagny L. Looper: Fundamental Parameters and Spectral Energy Distributions of Young and Field Age Objects with Masses Spanning the Stellar to Planetary Regime . In: The Astrophysical Journal . 810, No. 2, 2015, p. 158. arxiv : 1508.01767 . doi : 10.1088 / 0004-637X / 810/2/158 .