Gaia DR2 2807784223505933952

All names: Gaia DR2 2807784223505933952, Gaia DR3 2807784223505933952, Gaia EDR3 2807784223505933952, WDJ002941.79+254224.24, SDSS J002941.83+254224.4, LAMOST J002941.87+254224.6

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 29 41.92 (0.07) 00 29 41.91 00 29 41.92 00 29 41.79 (0.07) 00 29 41.91
Declination 25 42 24.78 (0.04) 25 42 24.77 25 42 24.78 25 42 24.24 (0.04) 25 42 24.77
Spectral type DQ D
Effective temperature [K] 8528.0 8263.0 7636.0 (59)
log(g) [cgs] 8.22 8.14 7.88 (0.02)
Mass [M] 0.736 0.662 0.509 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 1.2750 1.2330
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 14.45 (0.08) 14.54 (0.1) 14.45 14.45 (0.08) 14.54 (0.1)
Distance [pc] 69.22 (0.4) 68.77 (0.6) 69.22 69.22 (0.4) 68.77 (0.6)
Composition
Proper motion (right ascension) [mas/yr] 106.9535363 (0.09) 107.0144445 (0.2) 106.954 (0.09) 107.0144445
Proper motion (declination) [mas/yr] 33.78318756 (0.06) 33.72675964 (0.1) 33.783 (0.06) 33.72675964
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.63 (0.01) 17.63 (0.01)
g magnitude 17.31 (0.02) 17.31 (0.004)
r magnitude 17.27 (0.02) 17.27 (0.005)
i magnitude 17.34 (0.02) 17.34 (0.006)
z magnitude 17.48 (0.02) 17.48 (0.01)
G magnitude 17.23 (0.006) 17.25 17.23 17.23 (0.003) 17.25
BP magnitude 17.34 (0.006) 17.31 17.31
RP magnitude 17.05 (0.008) 17.04 17.04
Pan g magnitude 17.32 (0.004)
Pan r magnitude 17.29 (0.003)
Pan i magnitude 17.38 (0.003)
Pan z magnitude 17.47 (0.008)
Pan y magnitude 17.55 (0.01)
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.