MOA-2007-BLG-400L

From Wikipedia, the free encyclopedia
Jump to: navigation, search
MOA-2007-BLG-400L
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Sagittarius
Right ascension 18h 09m 42s
Declination –29° 13′ 27″
Characteristics
Spectral type M3V?
Astrometry
Distance 20000 ly
(6000 pc)
Details
Mass 0.35 ± 0.15 M
Database references
Extrasolar Planets
Encyclopaedia
data

MOA-2007-BLG-400L is a star located approximately 20000 light-years away in the constellation of Sagittarius. This star is presumed to be a red dwarf with a spectral type of M3V, based on its mass of 0.35 MS.

Planetary system[edit]

In September 2008, the discovery of an extrasolar planet was announced by the Microlensing Observations in Astrophysics (MOA) Collaboration. This planet was detected by the gravitational microlensing method based on an event recorded in September 2007. The Microlensing Follow Up Network (μFUN) has not yet positively identified the source star.

The MOA-2007-BLG-400L system
Companion Mass Observed separation
(AU)
b 0.9 ± 0.4 MJ 0.85 ± 0.25

See also[edit]

References[edit]

External links[edit]

Coordinates: Sky map 18h 09m 42s, −29° 13′ 27″