WISE 0855–0714
sub-brown dwarf located near Earth
mass
೪.೭೫±೩.೨೫ Jupiter mass[೪]
catalog code
WISE J085510.83–071442.5
catalog: WISE All-sky Data Release
WISEA J085510.74-071442.5
catalog: AllWISE Data Release
discoverer or inventor
Kevin Luhman[೫]
ಕಂಡುಹಿಡಿದ ಸಮಯ
discovery method
direct imaging[೭]
constellation
Hydra[೮]
parent astronomical body
no value[೭]
distance from Earth
parallax
೪೩೯±೨.೪ milliarcsecond[೯]
declination component of proper motion
೬೭೩.೨±೧.೩ milliarcsecond per year[೯]
right ascension component of proper motion
−೮,೧೨೩.೭±೧.೩ milliarcsecond per year[೯]
radial velocity
೮೮±೦.೬ kilometre per second[೧೦]
apparent magnitude
metallicity
−೦.೨±೦.೨[೪]
radius
೦.೯ Jupiter radius[೭]
epoch
೧ ಸೆಪ್ಟೆಂಬರ್ ೨೦೧೬[೯]
right ascension
೧೩೩.೭೮೦೯೮೪ degree[೯]
declination
−೭.೨೪೩೯೩೨ degree[೯]
effective temperature
೨೫೦±೧೦ ಕೆಲ್ವಿನ್[೪]
surface gravity
೩೮.೨±೩.೯ metre per square second[೪]
age estimated by a dating method
೩.೧೫±೨.೮೫ gigaannum[೪]
ಕಾಮನ್ಸ್ ವರ್ಗ
WISE 0855−0714
Reference
- ↑ ೧.೦ ೧.೧ SIMBAD
- ↑ ಆಂಗ್ಲ, https://www.stellarcatalog.com/stars/wise-0855-0714, ★ WISE 0855-0714, ೨೭ ಏಪ್ರಿಲ್ 2024
- ↑ https://www.naturalhistorymag.com/bookshelf/143831/the-secret-life-of-stars-astrophysics-for-everyone, Natural History, Laurence A. Marschall, ಜೂನ್ 2021, The Secret Life of Stars: Astrophysics for Everyone | Natural History Magazine, ೨೭ ಏಪ್ರಿಲ್ 2024
- ↑ ೪.೦ ೪.೧ ೪.೨ ೪.೩ ೪.೪ ೪.೫ ೪.೬ ೪.೭ ೪.೮ 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/
- ↑ ೭.೦ ೭.೧ ೭.೨ Extrasolar Planets Encyclopaedia
- ↑ inferred from equatorial coordinates
- ↑ ೯.೦ ೯.೧ ೯.೨ ೯.೩ ೯.೪ ೯.೫ ೯.೬ ೯.೭ 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