Gaia DR2 2799839702239434240

All names: Gaia DR3 2799839702239434240, SDSS J002509.57+213736.6, Gaia DR2 2799839702239434240, Gaia EDR3 2799839702239434240, WDJ00259.41+213736.27, WDJ002509.41+213736.28, NLTT 1312, USNO-B1.0 1116-00005455, SDSS J002509.58+213736.7, LP 405-9, LSPM J0025+2137

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 00 25 09.71 (0.2) 00 25 09.70 00 25 09.71 00 25 09.41 (0.2) 00 25 09.70
Declination 21 37 36.95 (0.1) 21 37 36.93 21 37 36.95 21 37 36.27 (0.1) 21 37 36.93
Spectral type DC DA DA
Effective temperature [K] 5537.0 (54) 5908.0 5660.0 6061.0 (98)
log(g) [cgs] 7.99 (0.03) 8.15 8.00 8.26 (0.03)
Mass [M] 0.561 (0.02) 0.68 0.57 0.755 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 3.4160 3.4510
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 13.63 (0.2) 13.21 (0.3) 13.63 13.63 (0.2) 13.21 (0.3)
Distance [pc] 73.37 (1) 75.68 (2) 73.37 73.37 (1) 75.68 (2)
Composition He
Proper motion (right ascension) [mas/yr] 257.4039265 (0.2) 257.1414432 (0.6) 257.404 (0.2) 257.1414432
Proper motion (declination) [mas/yr] 42.84484765 (0.2) 42.31208249 (0.4) 42.845 (0.2) 42.31208249
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 19.90
V magnitude
R magnitude 19.10
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.09 (0.05) 20.09 (0.05)
g magnitude 19.06 (0.01) 19.06 (0.01)
r magnitude 18.68 (0.01) 18.68 (0.01)
i magnitude 18.54 (0.01) 18.54 (0.01)
z magnitude 18.45 (0.03) 18.45 (0.03)
G magnitude 18.70 (0.03) 18.72 18.70 18.70 (0.003) 18.72
BP magnitude 19.01 (0.03) 19.04 19.04
RP magnitude 18.24 (0.02) 18.22 18.22
Pan g magnitude 19.03 (0.01)
Pan r magnitude 18.68 (0.006)
Pan i magnitude 18.56 (0.007)
Pan z magnitude 18.54 (0.01)
Pan y magnitude 18.49 (0.04)
E(B-V) 0.004

* 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.