PG 1121+145

All names: SDSS J112415.17+141346.2, A1 16, A1 17, PSO J112415.177+141346.329, Gaia DR2 3966702125228627200, SDSS J112415.17+141346.20

Parameter Unit Pan-STARRS DR1 Gaia DR2 Kepler et al. 2015 SDSS DR10 Simbad
Right ascension 11 24 15.17 (0.1) 11 24 15.17 11 24 15.18
Declination 14 13 46.19 (0.1) 14 13 46.23 14 13 46.23
Spectral type sdO sdB
Effective temperature [K] 44401.0 (488)
log(g) [cgs] 5.58 (0.05)
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.08 (0.1)
Distance [pc] 12472.74 (21151)
Composition
Proper motion (right ascension) [mas/yr] 2.8697215113 (0.2) 7.8
Proper motion (declination) [mas/yr] -3.6452332783 (0.2) -5.2
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.37
V magnitude 16.51
R magnitude 16.49
I magnitude
J magnitude 17.43
H magnitude 17.56
K magnitude 17.67
u magnitude 15.96 (0.01) 15.96 (0.006) 15.96
g magnitude 16.36 (0) 16.36 (0.005) 16.36
r magnitude 16.90 (0.01) 16.90 (0.006) 16.90
i magnitude 17.27 (0.01) 17.27 (0.007) 17.27
z magnitude 17.56 (0.02) 17.56 (0.02) 17.57
G magnitude 16.66
BP magnitude 16.42
RP magnitude 16.98
Pan g magnitude 16.45 (0.005)
Pan r magnitude 16.91 (0.003)
Pan i magnitude 17.30 (0.007)
Pan z magnitude 17.59 (0.007)
Pan y magnitude 17.79 (0.02)

* Constant surface field

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The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour at Université de Montréal. Please send database updates, corrections, suggestions or bug reports to dufourpa@astro.umontreal.ca.