SDSS J220048.67+123612.4

All names: SDSS J220048.67+123612.3, SDSS J220048.67+123612.4, PSO J220048.676+123612.341, Gaia DR2 2728561666241131264

Parameter Unit Pan-STARRS DR1 Gaia DR2 SDSS DR12 Simbad Eisenstein et al. 2006
Right ascension 22 00 48.68 (0.3) 22 00 48.68 22 00 48.68 22 00 48.68
Declination 12 36 12.27 (0.3) 12 36 12.36 12 36 12.42 12 36 12.42
Spectral type sdO SDO
Effective temperature [K] 47909.0 (1913)
log(g) [cgs] 5.66 (0.1)
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.28 (0.4)
Distance [pc] 3519.35 (4421)
Composition
Proper motion (right ascension) [mas/yr] -3.70099405 (0.4) -6.0 -2.5
Proper motion (declination) [mas/yr] -8.1974176143 (0.5) -8.0 -7.9
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.90 (0.01) 17.91 17.93 (0.02)
g magnitude 18.26 (0.007) 18.30 18.32 (0.01)
r magnitude 18.76 (0.009) 18.76 18.79 (0.02)
i magnitude 19.10 (0.01) 19.11 19.13 (0.02)
z magnitude 19.48 (0.06) 19.38 19.40 (0.07)
G magnitude 18.54
BP magnitude 18.36
RP magnitude 18.84
Pan g magnitude 18.34 (0.005)
Pan r magnitude 18.78 (0.01)
Pan i magnitude 19.10 (0.008)
Pan z magnitude 19.41 (0.009)
Pan y magnitude 19.60 (0.03)

* 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.