WISE J2209+2711
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Pegasus |
| Right ascension | 22h 09m 05.734 s |
| Declination | +27° 11′ 44.00″ |
| Characteristics | |
| Evolutionary stage | brown dwarf |
| Spectral type | Y0:,[1] |
| Astrometry | |
| Parallax (π) | 147 ± 11[2] mas |
| Distance | 22 ± 2 ly (6.8 ± 0.5 pc) |
| Other designations | |
| Database references | |
| SIMBAD | data |
WISE J2209+2711 is a brown dwarf of spectral type Y0:,[1] located in constellation Pegasus at 22 light-years from Earth.[2]
History of observations
Discovery of WISE J2209+2711 was published in 2014 by Cushing et al.[1]
Distance
WISE J2209+2711 distance estimates
| Source | Parallax, mas | Distance, pc | Distance, ly | Distance, Pm | Ref. |
|---|---|---|---|---|---|
| Cushing et al. (2014) | 5.2–11.7 | 17–38.2 | 160.5–361 | [1] | |
| Beichman et al. (2014) | 147±11 | 6.8+0.6 −0.5 |
22.2+1.8 −1.5 |
209.9+17 −14.6 |
[2] |
Non-trigonometric distance estimates are marked in italic. The most precise estimate is marked in bold.
References
- ↑ 1.0 1.1 1.2 1.3 1.4 Cushing, Michael C.; Kirkpatrick, J. Davy; Gelino, Christopher R.; Mace, Gregory N.; Skrutskie, Michael F.; Gould, Andrew (2014). "Three New Cool Brown Dwarfs Discovered with the Wide-field Infrared Survey Explorer (WISE) and an Improved Spectrum of the Y0 Dwarf WISE J041022.71+150248.4". The Astronomical Journal 147 (5): 113. arXiv:1402.1378. Bibcode:2014AJ....147..113C. doi:10.1088/0004-6256/147/5/113.
- ↑ 2.0 2.1 2.2 Beichman, C.; Gelino, Christopher R.; Kirkpatrick, J. Davy; Cushing, Michael C.; Dodson-Robinson, Sally; Marley, Mark S.; Morley, Caroline V.; Wright, E. L. (2014). "WISE Y Dwarfs As Probes of the Brown Dwarf-Exoplanet Connection". The Astrophysical Journal 783 (2): 68. arXiv:1401.1194v2. Bibcode:2014ApJ...783...68B. doi:10.1088/0004-637X/783/2/68.
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