Gaia DR2 2864048501242349952

All names: Gaia DR3 2864048501242349952, LSPM J0020+3404, Gaia EDR3 2864048501242349952, Gaia DR2 2864048501242349952, USNO-B1.0 1240-00006848, WDJ002053.79+340417.08

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 00 20 53.85 (0.2) 00 20 53.84 00 20 53.85 00 20 53.79 (0.2) 00 20 53.84
Declination 34 04 13.84 (0.1) 34 04 13.94 34 04 13.84 34 04 17.09 (0.1) 34 04 13.94
Spectral type DC: DC
Effective temperature [K] 5005.0 4685.0 4998.0 (73)
log(g) [cgs] 7.94 7.71 7.87 (0.04)
Mass [M] 0.541 0.409 0.504 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 4.8530 3.7410
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 15.73 (0.3) 16.18 (0.4) 15.73 15.73 (0.3) 16.18 (0.4)
Distance [pc] 63.56 (1) 61.81 (2) 63.56 63.56 (1) 61.81 (2)
Composition
Proper motion (right ascension) [mas/yr] 44.86637495 (0.2) 44.66788076 (0.5) 44.866 (0.2) 44.66788076
Proper motion (declination) [mas/yr] -203.2365922 (0.2) -202.5106045 (0.3) -203.237 (0.2) -202.5106045
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 19.10
V magnitude
R magnitude 18.50
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 21.14 (0.1)
g magnitude 19.40 (0.01)
r magnitude 18.68 (0.01)
i magnitude 18.42 (0.01)
z magnitude 18.34 (0.03)
G magnitude 18.73 (0.03) 18.76 18.73 18.73 (0.003) 18.76
BP magnitude 19.20 (0.03) 19.24 19.24
RP magnitude 18.12 (0.02) 18.10 18.10
Pan g magnitude 19.30 (0.006)
Pan r magnitude 18.70 (0.004)
Pan i magnitude 18.44 (0.005)
Pan z magnitude 18.37 (0.01)
Pan y magnitude 18.31 (0.02)
E(B-V) 0.003

* 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.