2MASS J07511645-2530432
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L-dwarf 2MASS J07511645-2530432 |
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| AladinLite | |||
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Observation dates equinox : J2000.0 , epoch : J2000.0 |
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| Constellation | Aft deck of the ship | ||
| Right ascension | 07 h 51 m 16.4 s | ||
| declination | -25 ° 30 ′ 43 ″ | ||
| Typing | |||
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rel. Brightness (G-band) |
(17.95 ± 0.01) mag | ||
| rel. Brightness (J-band) |
(13.16 ± 0.02) mag | ||
| Spectral class | L1.1 V | ||
| Astrometry | |||
| Radial velocity | (32 ± 2) km / s | ||
| parallax | (56.57 ± 0.15) mas | ||
| distance | (57.62 ± 0.37) Lj (17.68 ± 0.05) pc |
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| Proper movement | |||
| Rec. Share: | (−878.99 ± 0.23) mas / a | ||
| Dec. portion: | (145.96 ± 0.23) mas / a | ||
| Physical Properties | |||
| Dimensions | (0.07) M ☉ | ||
| radius | (0.10) R ☉ | ||
| Luminosity |
(1.86 ± 0.04) × 10 −4 L ☉ |
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| Effective temperature | (2083 ± 64) K. | ||
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Other names and catalog entries |
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2MASS J07511645-2530432 is an ultra-cool dwarf in the constellation aft deck of the ship . It was published in 2008 by Ngoc Phan-Bao et al. discovered. It belongs to the spectral class L1.1 V. The mass of the object is at the border between brown dwarf and red dwarf .
Web links
- Entry at DwarfArchives.org (English)
- Discovery paper: bibcode : 2008MNRAS.383..831P (English)
Individual evidence
- ↑ a b c d e f 2MASS J07511645-2530432. In: SIMBAD . Center de Données astronomiques de Strasbourg , accessed October 12, 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 .