Gaia DR2 2871162547632415744

All names: Gaia EDR3 2871162547632415744, J2338+3101, Gaia DR2 2871162547632415744, SDSS J233829.73+310154.3, SDSS J233829.72+310154.3, WDJ233829.73+310154.51, Gaia DR3 2871162547632415744, WDJ233829.73+310154.50, GALEX J233829.7+310154

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 Caron et al. 2023 Kilic et al. 2020 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 23 38 29.70 (0.1) 23 38 29.70 23 38 29.70 23 38 29.73 (0.1) 23 38 29.70
Declination 31 01 53.80 (0.1) 31 01 53.82 31 01 53.80 31 01 54.50 (0.1) 31 01 53.82
Spectral type DA DA DA DA DA
Effective temperature [K] 6500.0 (50) 6520.0 (49) 6500.0 (50) 6448.0 6193.0 6660.0 (104)
log(g) [cgs] 8.10 (0.03) 8.12 (0.04) 8.11 (0.04) 8.09 7.95 8.14 (0.04)
Mass [M] 0.651 (0.02) 0.662 (0.03) 0.654 (0.03) 0.643 0.543 0.678 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 2.2900 2.2300 2.0420
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 10.47 (0.2) 10.51 (0.3) 10.51 (0.3) 10.47 10.47 (0.2) 10.51 (0.3)
Distance [pc] 95.56 (2) 95.15 (3) 95.19 (3) 95.56 95.56 (2) 95.19 (3)
Composition H H
Proper motion (right ascension) [mas/yr] -22.44099146 (0.2) -22.67525568 (0.3) -22.441 (0.2) -22.67525568
Proper motion (declination) [mas/yr] -43.72237636 (0.1) -44.02288866 (0.2) -43.722 (0.1) -44.02288866
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 18.03 (0.05)
H magnitude
K magnitude
u magnitude 19.69 (0.03) 19.69 (0.03) 19.69 (0.03)
g magnitude 19.04 (0.009) 19.04 (0.009)
r magnitude 18.78 (0.009) 18.78 (0.009)
i magnitude 18.66 (0.01) 18.66 (0.01)
z magnitude 18.72 (0.03) 18.72 (0.03)
G magnitude 18.75 (0.02) 18.78 18.75 18.75 (0.003) 18.78
BP magnitude 18.98 (0.02) 18.98 18.98
RP magnitude 18.35 (0.01) 18.37 18.37
Pan g magnitude 18.99 (0.009) 18.99 (0.009)
Pan r magnitude 18.78 (0.007) 18.78 (0.008)
Pan i magnitude 18.70 (0.004) 18.70 (0.004)
Pan z magnitude 18.69 (0.01) 18.69 (0.01)
Pan y magnitude 18.70 (0.02) 18.70 (0.02)
E(B-V) 0.007

* 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.