WD 0019+004

All names: 2MASS J00220003+0041494, Gaia DR3 2546872420633409536, SDSS J002200.04+004149.5, GALEX J002159.9+004149, SDSS J002200.04+004149.4, WD 0019+004, Gaia EDR3 2546872420633409536, Gaia DR2 2546872420633409536, SDSS J002200.03+004149.4, TIC 293372732

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Gaia DR2 Stilism Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 00 22 00.04 (0.2) 00 22 00.04 00 22 00.04 (0.1) 00 22 00.04 (0.2) 00 21 59.83
Declination 00 41 49.40 (0.1) 00 41 49.46 00 41 49.40 (0.1) 00 41 49.46 (0.1) 00 41 50.28
Spectral type D+M3 WD M
Effective temperature [K]
log(g) [cgs]
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 2.46 (0.2) 2.69 (0.2) 2.46 (0.2)
Distance [pc] 407.11 (33) 371.43 (25) 407.12 (33)
Composition
Proper motion (right ascension) [mas/yr] 1.835459658 (0.2) -3.063651786 (0.4) 1.835 (0.2)
Proper motion (declination) [mas/yr] -4.19261947 (0.2) -4.671126871 (0.2) -4.193 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 14.65 (0.002)
H magnitude 14.08 (0.004)
K magnitude 13.82 (0.005)
u magnitude 19.56 (0.03) 19.67 (0.04) 19.67
g magnitude 18.93 (0.009) 18.90 (0.009) 18.90
r magnitude 17.93 (0.007) 17.89 (0.007) 17.90
i magnitude 16.76 (0.006) 16.74 (0.005) 16.75
z magnitude 16.08 (0.007) 16.06 (0.007) 16.09
G magnitude 17.42 (0.02) 17.43 17.42 (0.003)
BP magnitude 18.62 (0.02) 18.60
RP magnitude 16.28 (0.005) 16.29
Pan g magnitude 18.80 (0.005)
Pan r magnitude 17.91 (0.006)
Pan i magnitude 16.75 (0.005)
Pan z magnitude 16.16 (0.004)
Pan y magnitude 15.90 (0.008)
E(B-V) 0.027

* 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.