HE 1238-1745

All names: Gaia DR3 3522196890110946688, EC12383-1745, EC 12383-1745, GALEX J124101.0-180157, 2MASS J12410110-1801573, TIC 286866448, UCAC4 360-065296, Gaia EDR3 3522196890110946688, HE 1238-1745, UCAC2 24842094, FAUST 3361, Gaia DR2 3522196890110946688

Parameter Unit Gaia EDR3 Geier 2020 Stilism Simbad
Right ascension 12 41 01.10 (0.04) 12 41 01.18 12 41 01.11 (0.04)
Declination -18 01 57.18 (0.02) -18 01 57.20 -18 01 57.24 (0.02)
Spectral type He-sdOB sdOHe
Effective temperature [K] 38219.0 (1000)
log(g) [cgs] 5.64 (0.1)
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.82 (0.04) 0.69 (0.07) 0.82 (0.04)
Distance [pc] 1226.39 (66) 1448.02 (152) 1226.39 (66)
Composition
Proper motion (right ascension) [mas/yr] -12.556 (0.05) -12.41 (0.1) -12.556 (0.05)
Proper motion (declination) [mas/yr] 4.193 (0.03) 4.218 (0.07) 4.193 (0.03)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 14.36 (0.03)
V magnitude 14.58 (0.02)
R magnitude 15.21 (0.08)
I magnitude
J magnitude 15.33 (0.04) 15.33 (0.04)
H magnitude 15.59 (0.1) 15.59 (0.1)
K magnitude 15.76 (0.3) 15.76 (0.3)
u magnitude 13.93 (0.003)
g magnitude 14.27 (0.003)
r magnitude 14.77 (0.003)
i magnitude 15.13 (0.004)
z magnitude 15.47 (0.006)
G magnitude 14.53 (0.003) 14.55 (0.0005) 14.53 (0.003)
BP magnitude 14.38 (0.003) 14.33 (0.007)
RP magnitude 14.84 (0.004) 14.85 (0.002)
Pan g magnitude 14.36 (0.002)
Pan r magnitude 14.80 (0.002)
Pan i magnitude 15.18 (0.002)
Pan z magnitude 15.48 (0.003)
Pan y magnitude 15.67 (0.005)
E(B-V) 0.027

* 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.