Gaia DR2 2574620550768898432

All names: Gaia DR3 2574620550768898432, USNO-B1.0 1022-00025184, NLTT 6751, LSPM J0201+1212, Gaia EDR3 2574620550768898432, LP 469-55, TIC 404736570, Gaia DR2 2574620550768898432, 2MASS J02011073+1212263, J0201+1212, WDJ020110.7+121226.03, GD 21, GALEX J020110.5+121225, WDJ020110.70+121226.03

Parameter Unit Gaia EDR3 Pan-STARRS DR1 O'Brien et al. 2024 Caron et al. 2023 McCleery et al. 2020 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 02 01 10.51 (0.04) 02 01 10.51 (0.07) 02 01 10.51 02 01 10.51 02 01 10.70 (0.04) 02 01 10.51
Declination 12 12 24.60 (0.04) 12 12 24.65 (0.05) 12 12 24.65 12 12 24.60 12 12 26.03 (0.04) 12 12 24.65
Spectral type DC DC DC DC: DC
Effective temperature [K] 6952.0 (73) 6948.0 (19) 6911.4 (42) 7456.0 7177.0 6877.0 (53)
log(g) [cgs] 8.03 (0.04) 8.02 (0.005) 8.02 (0.02) 8.26 8.16 8.04 (0.01)
Mass [M] 0.59 (0.02) 0.589 (0.005) 0.759 0.676 0.595 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 1.7200 2.0990 1.9440
log(H/He) -3.4
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] 31.75 (0.05) 31.75 (0.05) 31.68 (0.08) 31.68 (0.08) 31.68 (0.08) 31.75 31.75 (0.05) 31.68 (0.08)
Distance [pc] 31.50 (0.05) 31.50 (0.05) 31.57 (0.08) 31.56 (0.08) 31.56 (0.08) 31.50 31.50 (0.05) 31.56 (0.08)
Composition He He
Proper motion (right ascension) [mas/yr] -174.4810077 (0.06) -174.3851779 (0.1) -174.481 (0.06) -174.3851779
Proper motion (declination) [mas/yr] -89.63228143 (0.05) -89.39752579 (0.1) -89.632 (0.05) -89.39752579
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.50
V magnitude
R magnitude 15.90
I magnitude
J magnitude 15.57 (0.01) 15.75 (0.08)
H magnitude 15.48 (0.01) 15.44 (0.1)
K magnitude 15.43 (0.02) 15.38 (0.2)
u magnitude 16.72 (0.008) 16.73 (0.008)
g magnitude 16.23 (0.004)
r magnitude 16.09 (0.004)
i magnitude 16.09 (0.004)
z magnitude 16.14 (0.008)
G magnitude 16.07 (0.005) 16.09 16.09 16.07 16.07 (0.003) 16.09
BP magnitude 16.23 (0.005) 16.23 16.23
RP magnitude 15.77 (0.005) 15.78 15.78
Pan g magnitude 16.24 (0.002) 16.24 (0.003)
Pan r magnitude 16.09 (0.004) 16.09 (0.004)
Pan i magnitude 16.13 (0.003) 16.13 (0.003)
Pan z magnitude 16.18 (0.002) 16.18 (0.002)
Pan y magnitude 16.24 (0.01) 16.24 (0.01)
E(B-V) 0.000

* 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.