WISE 0855–0714
sub-brown dwarf located near Earth
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External resources
| SIMBAD ID | |
| Freebase ID | |
| Extrasolar Planets Encyclopaedia exoplanet ID |
masa
4,75±3,25 Jupiter mass[4]
regjistri
WISE J085510.83–071442.5
catalog: WISE All-sky Data Release
WISEA J085510.74-071442.5
catalog: AllWISE Data Release
zbulues
Kevin Luhman[5]
koha e zbulimit apo shpikjes
metoda e zbulimit
direct imaging[7]
konstalacion
Hydra[8]
trupi astronom kryesor
s’ka vlerë[7]
distance from Earth
parallax
439±2,4 milliarcsecond[9]
declination component of proper motion
673,2±1,3 milliarcsecond per year[9]
right ascension component of proper motion
−8.123,7±1,3 milliarcsecond per year[9]
radial velocity
88±0,6 kilometre per second[10]
madhësia e dukshme
metallicity
−0,2±0,2[4]
radiusi
0,9 Jupiter radius[7]
epoch
September 1, 2016[9]
right ascension
133,780984 degree[9]
declination
−7,243932 degree[9]
effective temperature
250±10 kelvin[4]
surface gravity
38,2±3,9 metre per square second[4]
age estimated by a dating method
3,15±2,85 gigaannum[4]
kategoria në Commons
WISE 0855−0714
Reference
- ^ a b SIMBAD
- ^ anglisht, https://www.stellarcatalog.com/stars/wise-0855-0714, ★ WISE 0855-0714, 27 prill 2024
- ^ https://www.naturalhistorymag.com/bookshelf/143831/the-secret-life-of-stars-astrophysics-for-everyone, Natural History, Laurence A. Marschall, qershor 2021, The Secret Life of Stars: Astrophysics for Everyone | Natural History Magazine, 27 prill 2024
- ^ a b c d e f g h i The Y-type Brown Dwarfs: Estimates of Mass and Age from New Astrometry, Homogenized Photometry, and Near-infrared Spectroscopy
- ^ https://www.nasa.gov/jpl/wise/spitzer-coldest-brown-dwarf-20140425
- ^ https://www.nasa.gov/jpl/wise/spitzer-coldest-brown-dwarf-20140425, https://www.nasa.gov/news-release/nasas-spitzer-and-wise-telescopes-find-close-cold-neighbor-of-sun/, https://web.archive.org/web/20140426004939/http://www.nasa.gov/jpl/wise/spitzer-coldest-brown-dwarf-20140425/
- ^ a b c Extrasolar Planets Encyclopaedia
- ^ inferred from equatorial coordinates
- ^ a b c d e f g h The Field Substellar Mass Function Based on the Full-sky 20 pc Census of 525 L, T, and Y Dwarfs
- ^ Preliminary trigonometric parallaxes of 184 late-T and Y dwarfs and an analysis of the field substellar mass function into the "planetary" mass regime
- ^ http://www.pas.rochester.edu/~emamajek/EEM_dwarf_UBVIJHK_colors_Teff.txt