- A
substellar object,
sometimes called a substar, is an
astronomical object, the m**** of
which is
smaller than the
smallest m**** at
which hydrogen fusion...
- The
subsolar point on a
planet or a moon is the
point at
which its Sun is
perceived to be
directly overhead (at the zenith); that is,
where the Sun's rays...
-
deuterium burning, is a
nuclear fusion reaction that
occurs in
stars and some
substellar objects, in
which a
deuterium nucleus (deuteron) and a
proton combine...
- J1407b is a
substellar object,
either a free-floating
planet or
brown dwarf, with a
large cir****planetary disk or ring system. It was
first detected by...
-
velocity variations observed for a set of
evolved stars,
showing hints of a
substellar companion orbiting the
primary member of the wide
binary system 27 Hydrae...
-
observed for a set of
evolved stars,
announcing possible detection of a
substellar companion orbiting the
giant star HD 203857.
Orbital period is estimated...
- Beta Circini,
Latinized from β Circini, is an A-type main
sequence star and is the second-brightest star in the
constellation of Circinus. It has an apparent...
-
subgiant star. In 2023, HD 18438 was
discovered to be
orbited by a 21 MJ
substellar object,
potentially making it the
largest host star to an
exoplanet ever...
-
using data from the Gaia spacecraft,
refined the
parameters of this
substellar companion. It was
found to have a m**** of 21±1 MJ, a
temperature of 2...
- space. It
forms a wide
binary system with the star HD 181327 and has a
substellar companion orbiting around it,
named Eta
Telescopii B. Eta
Telescopii is...
