Gaia DR2 6849628244686696576

All names: WDJ202727.51-232941.09, Gaia DR2 6849628244686696576, Gaia DR3 6849628244686696576, Gaia EDR3 6849628244689863552, GALEX J202727.4-232941, WDJ202727.51-232941.10

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 20 27 27.22 (0.09) 20 27 27.43 20 27 27.43 20 27 27.51 (0.09) 20 27 27.43
Declination -23 29 39.30 (0.06) -23 29 42.14 -23 29 42.17 -23 29 41.10 (0.06) -23 29 42.14
Spectral type DC D
Effective temperature [K] 9684.0 9558.0 9202.0 (152)
log(g) [cgs] 8.18 8.11 7.98 (0.03)
Mass [M] 0.712 0.645 0.568 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 0.8553 0.8229
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.51 (0.1) 10.32 (0.2) 10.45 10.45 (0.1) 10.32 (0.2)
Distance [pc] 1954.87 (391) 96.92 (2) 95.66 95.66 (0.9) 96.92 (2)
Composition
Proper motion (right ascension) [mas/yr] -7.190773626 (0.1) -64.1210896 (0.2) -64.423 (0.1) -64.1210896
Proper motion (declination) [mas/yr] -1.726999397 (0.07) -67.29632351 (0.1) -67.323 (0.07) -67.29632351
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 17.50 (0.01) 17.48 17.46 17.46 (0.003) 17.48
BP magnitude 17.88 (0.01) 17.49 17.49
RP magnitude 16.89 (0.006) 17.35 17.35
Pan g magnitude 17.51 (0.004)
Pan r magnitude 17.55 (0.002)
Pan i magnitude 17.68 (0.003)
Pan z magnitude 17.84 (0.01)
Pan y magnitude 17.95 (0.01)
E(B-V) 0.066

* 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.