PB 6789

All names: PB 6789, SDSS J021553.99-001550.5, Gaia EDR3 2494971997172400896, Gaia DR2 2494971997172400896, [MMN2004c] WD J0215-0015, Gaia DR3 2494971997172400896, SDSS J021553.98-001550.4, WD 0213-004.1, SDSS J021554.00-001550.3, GALEX J021553.9-001551, SDSS J021553.99-001550.3, SDSS J021553.98-001550.5

Parameter Unit Gaia EDR3 Stilism Vincent et al. 2024 Simbad
Right ascension 02 15 53.99 (0.2) 02 15 53.99 02 15 53.99 (0.2)
Declination -00 15 50.31 (0.2) -00 15 50.31 -00 15 50.58 (0.2)
Spectral type DA DA
Effective temperature [K] 16517.0 (1336)
log(g) [cgs] 8.01 (0.1)
Mass [M☉] 0.62 (0.09)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 3.02 (0.2) 3.02 3.02 (0.2)
Distance [pc] 331.36 (25) 331.35 331.36 (25)
Composition
Proper motion (right ascension) [mas/yr] -6.657 (0.3) -6.657 (0.3)
Proper motion (declination) [mas/yr] 16.628 (0.2) 16.628 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.50
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.96 (0.02)
g magnitude 18.64 (0.008)
r magnitude 18.90 (0.01)
i magnitude 19.20 (0.01)
z magnitude 19.49 (0.06)
G magnitude 18.80 (0.004) 18.80 18.80 (0.004)
BP magnitude 18.79 (0.02)
RP magnitude 18.96 (0.05)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.028

* 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.