Cha 110913-773444

Cha 110913-773444
Cha 110913-773444
Sol Cha-110913-773444 Jupiter.jpg
Cha 110913-773444 (middle) compared to the Sun (left) and Jupiter (right)
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Chamaeleon
Right ascension 11h 09m 13.63s
Declination -77° 34' 44.6"
Apparent magnitude (V) +21.59
Characteristics
Spectral type L-dwarf
Astrometry
Distance 163 ly
(50 pc)
Absolute magnitude (MV) +18.1
Details
Mass 8 (+7 to -3) MJ, 0.008 M
Radius 1.8 RJ, 0.18 R
Luminosity 0.000096 L
Temperature 1,350 K
Age 0.5–10 x 106 years
Database references
SIMBAD data

Cha 110913-773444 (sometimes abbreviated Cha 110913) is an astronomical object surrounded by what appears to be a protoplanetary disk. There is no consensus yet among astronomers whether to classify the object as a sub-brown dwarf (with planets) or a rogue planet (with moons).[1]

Cha 110913-773444 was discovered in 2004 by Kevin Luhman and others at Pennsylvania State University using the Spitzer Space Telescope and the Hubble Space Telescope, as well as two earthbound telescopes in Chile.

See also

References

External links


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Look at other dictionaries:

  • Cha 110913-773444 — Звезда …   Википедия

  • Cha 110913-773444 — Cha J110913 773444 Données d observation (Époque J2000.0) Ascension droite 11:09:13,63 Déclinaison 77° 34 44,6 Constellation Caméléon Magnitude apparente  ? Magnit …   Wikipédia en Français

  • Cha 110913-773444 — Datenbanklinks zu Cha 110913−773444 Cha 110913−773444 …   Deutsch Wikipedia

  • Cha 110913-773444 — El sistema solar de Cha 110913 773444 (arriba a la derecha), comparado con el sistema solar de 55 Cancri (a la izquierda) …   Wikipedia Español

  • Cha 110913 — 773444 Cha J110913 773444 Données d observation (Époque J2000.0) Ascension droite 11:09:13,63 Déclinaison 77° 34 44,6 Constellation Caméléon Magnitude apparente  ? …   Wikipédia en Français

  • Cha — Cette page d’homonymie répertorie les différents sujets et articles partageant un même nom.   Sigles d’une seule lettre   Sigles de deux lettres > Sigles de trois lettres   Sigles de quatre lettres …   Wikipédia en Français

  • CoRoT-Exo-4 — Hubble Aufnahme von Staubscheibe und Exoplanet um den Stern Fomalhaut …   Deutsch Wikipedia

  • CoRoT-Exo-4 b — Hubble Aufnahme von Staubscheibe und Exoplanet um den Stern Fomalhaut …   Deutsch Wikipedia

  • Exoplanet — Hubble Aufnahme von Staubscheibe und Exoplanet um den Stern Fomalhaut …   Deutsch Wikipedia

  • Extrasolare Planeten — Hubble Aufnahme von Staubscheibe und Exoplanet um den Stern Fomalhaut …   Deutsch Wikipedia

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