WISE 0855–0714
ଦେଖଣା
sub-brown dwarf located near Earth
mass
୪.୭୫±୩.୨୫ Jupiter mass[୪]
catalog code
WISE J085510.83–071442.5
catalog: WISE All-sky Data Release
WISEA J085510.74-071442.5
catalog: AllWISE Data Release
ଆବିଷ୍କାରକ ବା ଉଦ୍ଭାବକ
Kevin Luhman[୫]
ଆବିଷ୍କାର ତାରିଖ
discovery method
direct imaging[୭]
constellation
Hydra[୮]
parent astronomical body
no value[୭]
distance from Earth
parallax
୪୩୯±୨.୪ milliarcsecond[୯]
declination component of proper motion
୬୭୩.୨±୧.୩ milliarcsecond per year[୯]
right ascension component of proper motion
−୮,୧୨୩.୭±୧.୩ milliarcsecond per year[୯]
radial velocity
୮୮±୦.୬ kilometre per second[୧୦]
apparent magnitude
metallicity
−୦.୨±୦.୨[୪]
radius
୦.୯ Jupiter radius[୭]
epoch
୧ ସେପ୍ଟେମ୍ବର ୨୦୧୬[୯]
right ascension
୧୩୩.୭୮୦୯୮୪ degree[୯]
declination
−୭.୨୪୩୯୩୨ degree[୯]
effective temperature
୨୫୦±୧୦ kelvin[୪]
surface gravity
୩୮.୨±୩.୯ metres per second squared[୪]
age estimated by a dating method
୩.୧୫±୨.୮୫ gigaannum[୪]
କମନ୍ସ ଶ୍ରେଣୀ
WISE 0855−0714
ଆଧାର
- ↑ ୧.୦ ୧.୧ SIMBAD
- ↑ ଇଂରାଜୀ ଭାଷା, https://www.stellarcatalog.com/stars/wise-0855-0714, ★ WISE 0855-0714, ୨୭ ଅପ୍ରେଲ 2024
- ↑ https://www.naturalhistorymag.com/bookshelf/143831/the-secret-life-of-stars-astrophysics-for-everyone, Natural History, Laurence A. Marschall, ଜୁନ 2021, The Secret Life of Stars: Astrophysics for Everyone | Natural History Magazine, ୨୭ ଅପ୍ରେଲ 2024
- ↑ ୪.୦ ୪.୧ ୪.୨ ୪.୩ ୪.୪ ୪.୫ ୪.୬ ୪.୭ ୪.୮ 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://web.archive.org/web/20140426004939/http://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/
- ↑ ୭.୦ ୭.୧ ୭.୨ Extrasolar Planets Encyclopaedia
- ↑ inferred from equatorial coordinates
- ↑ ୯.୦ ୯.୧ ୯.୨ ୯.୩ ୯.୪ ୯.୫ ୯.୬ ୯.୭ 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