V391 Pegasi
yll
instancë e
pulsating variable star[2]
hot subdwarf star[2]
near-IR source[2]
UV-emission source[2]
blue object[2]
masa
0,5±0,05 solar mass[3]
regjistri
konstalacion
Pegasus[4]
trup që i përket objektit kryesor
V391 Pegasi b
rendor serik: b
distance from Earth
1.353,546±59,9093 parsec[5]
parallax
0,7388±0,0327 milliarcsecond[5]
declination component of proper motion
−3,703±0,034 milliarcsecond per year[5]
right ascension component of proper motion
−4,906±0,04 milliarcsecond per year[5]
type of variable star
pulsating white dwarf
madhësia e dukshme
radiusi
0,23±0,03 solar radius[3]
skemë
right ascension
331,05043543754 degree[5]
declination
26,4188386335 degree[5]
effective temperature
8.868,667±905,417 kelvin[9]
age estimated by a dating method
10 gigaannum[3]
Reference
- ^ Freebase Data Dumps, 28 tetor 2013
- ^ a b c d e f g h i j k l m n SIMBAD
- ^ a b c Extrasolar Planets Encyclopaedia, v391_peg_b--374, A giant planet orbiting the 'extreme horizontal branch' star V 391 Pegasi.
- ^ inferred from equatorial coordinates
- ^ a b c d e f Gaia Early Data Release 3, SIMBAD
- ^ Spectral analysis of sdB stars from the Hamburg Quasar Survey, SIMBAD
- ^ Extrasolar Planets Encyclopaedia, v391_peg_b--374
- ^ VizieR Online Data Catalog: UCAC4 Catalogue (Zacharias+, 2012), SIMBAD
- ^ a b Gaia Data Release 2