WD 2358+256

All names: Gaia EDR3 2853261501899664256, SDSS J000109.42+255459.6, WD 2358+256, [SGR2010] J0001+2554, TIC 117952996, 2MASS J00010942+2554597, Gaia DR3 2853261501899664256, GALEX J000109.4+255459, Gaia DR2 2853261501899664256, SDSS J000109.42+255459.5

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Gaia DR2 Stilism Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 00 01 09.44 (0.09) 00 01 09.43 00 01 09.44 (0.1) 00 01 09.42 (0.09) 00 01 08.74
Declination 25 54 59.38 (0.07) 25 54 59.68 25 54 59.39 (0.07) 25 54 59.71 (0.07) 25 55 00.12
Spectral type dM2.5+DA WD+M2
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] 2.15 (0.1) 1.87 (0.2) 2.15 (0.1)
Distance [pc] 465.00 (29) 534.31 (51) 465.01 (29)
Composition
Proper motion (right ascension) [mas/yr] 14.95668982 (0.1) 15.53382864 (0.3) 14.957 (0.1)
Proper motion (declination) [mas/yr] -20.84805374 (0.08) -20.96336913 (0.1) -20.848 (0.08)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity yes
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 15.48 (0.06)
H magnitude 14.97 (0.08)
K magnitude 14.70 (0.1)
u magnitude 21.30 (0.09) 21.15 (0.1) 21.15
g magnitude 19.77 (0.01) 19.73 (0.01) 19.73
r magnitude 18.55 (0.009) 18.55 (0.009) 18.55
i magnitude 17.47 (0.007) 17.46 (0.006) 17.46
z magnitude 16.83 (0.01) 16.85 (0.01) 16.85
G magnitude 18.12 (0.02) 18.15 18.12 (0.003)
BP magnitude 19.31 (0.02) 19.36
RP magnitude 17.02 (0.005) 17.03
Pan g magnitude 19.59 (0.008)
Pan r magnitude 18.55 (0.004)
Pan i magnitude 17.48 (0.003)
Pan z magnitude 16.96 (0.004)
Pan y magnitude 16.69 (0.006)
E(B-V) 0.057

* 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.