WISE 0855–0714

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sub-brown dwarf located near Earth

External resources

SIMBAD ID
ଫ୍ରୀବେସ ସୂଚକ
Extrasolar Planets Encyclopaedia exoplanet ID

ଦୃଷ୍ଟାନ୍ତ

sub-brown dwarf[୨][୩]

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

ମାର୍ଚ୍ଚ 2013[୬]

reason for preferred rank: referenced value

discovery method

direct imaging[୭]

constellation

Hydra[୮]

parent astronomical body

no value[୭]

distance from Earth

୭.୪୩±୦.୦୩୯ ଆଲୋକ ବର୍ଷ[୯]

criterion used: parallax

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]

spectral class

apparent magnitude

୨୬.୫୪±୦.୨୧[୪]

astronomical filter: Y band

୨୫.୪୫±୦.୨୪[୪]

astronomical filter: J band

୨୩.୮୩±୦.୨୪[୪][୧]

astronomical filter: H band

୧୩.୯୫±୦.୨[୪]

astronomical filter: M band

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 metre per square second[୪]

age estimated by a dating method

୩.୧୫±୨.୮୫ gigaannum[୪]

କମନ୍ସ ଶ୍ରେଣୀ

WISE 0855−0714

ଆଧାର

  1. ୧.୦ ୧.୧ SIMBAD
  2. ଇଂରାଜୀ ଭାଷା, https://www.stellarcatalog.com/stars/wise-0855-0714, ★ WISE 0855-0714, ୨୭ ଅପ୍ରେଲ 2024
  3. 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
  4. 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
  5. https://www.nasa.gov/jpl/wise/spitzer-coldest-brown-dwarf-20140425
  6. 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/
  7. ୭.୦ ୭.୧ ୭.୨ Extrasolar Planets Encyclopaedia
  8. inferred from equatorial coordinates
  9. 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
  10. Preliminary trigonometric parallaxes of 184 late-T and Y dwarfs and an analysis of the field substellar mass function into the "planetary" mass regime
  11. http://www.pas.rochester.edu/~emamajek/EEM_dwarf_UBVIJHK_colors_Teff.txt