LS IV -12 1

All names: 2MASS J16234398-1212336, TYC 5634-1323-1, Gaia DR2 4331468543718957056, GEN# +8.54120001, UBV M 51110, TIC 413593179, LS IV -12 1, Gaia DR3 4331468543718957056, LSIV-121, GSC 05634-01323, uvby98 854120001, CSI-12-16210, ALS 9313

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 16 23 44.20 16 23 43.99 (0.03)
Declination -12 12 31.69 -12 12 33.64 (0.02)
Spectral type sdO sdO
Effective temperature [K] 60000.0 (5000)
log(g) [cgs] 4.50 (0.5)
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 1.23 (0.08) 1.28 (0.04)
Distance [pc] 816.33 (51) 783.33 (24)
Composition
Proper motion (right ascension) [mas/yr] -64.758 (0.1) -64.931 (0.04)
Proper motion (declination) [mas/yr] -42.357 (0.09) -42.309 (0.03)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 11.14 (0.07)
V magnitude 11.17 (0.1)
R magnitude
I magnitude
J magnitude 11.29 (0.02) 11.29 (0.02)
H magnitude 11.36 (0.02) 11.36 (0.02)
K magnitude 11.44 (0.02) 11.44 (0.02)
u magnitude 11.33 (0.001)
g magnitude
r magnitude
i magnitude
z magnitude 12.55 (0.007)
G magnitude 11.11 (0.001) 11.10 (0.003)
BP magnitude 11.04 (0.008)
RP magnitude 11.17 (0.002)
Pan g magnitude 11.22 (0.06)
Pan r magnitude 11.32 (0.07)
Pan i magnitude 11.62 (0.02)
Pan z magnitude 12.84 (0.5)
Pan y magnitude 11.85 (0.006)
E(B-V) 0.262

* Constant surface field

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The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.