WD 0257+247

All names: LSPM J0300+2453, WISEA J030036.21+245338.4, 2MASS J03003606+2453393, TIC 34644683, WD 0257+247, USNO-B1.0 1148-00034970, LP 355-11, Gaia DR3 114852515032351232, Gaia DR2 114852515032351232, Gaia EDR3 114852515032351232, NLTT 9589

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Gaia DR2 Stilism Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 03 00 36.29 (0.04) 03 00 36.29 (0.07) 03 00 36.08 (0.04) 03 00 37.49
Declination 24 53 38.04 (0.04) 24 53 38.07 (0.07) 24 53 39.04 (0.04) 24 53 51.36
Spectral type DC DC:
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] 11.09 (0.04) 11.08 (0.09) 11.09 (0.04)
Distance [pc] 90.20 (0.3) 90.22 (0.7) 90.20 (0.3)
Composition
Proper motion (right ascension) [mas/yr] 177.5568186 (0.05) 177.552 (0.1) 177.557 (0.05)
Proper motion (declination) [mas/yr] -62.9455363 (0.05) -63.181 (0.1) -62.946 (0.05)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity yes
B magnitude 17.80
V magnitude
R magnitude 15.80
I magnitude
J magnitude 12.67 (0.02)
H magnitude 12.07 (0.02)
K magnitude 11.85 (0.02)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 15.55 (0.01) 15.58 15.55 (0.003)
BP magnitude 17.12 (0.01) 17.16
RP magnitude 14.34 (0.001) 14.36
Pan g magnitude 17.46 (0.006)
Pan r magnitude 16.26 (0.003)
Pan i magnitude 14.85 (0.003)
Pan z magnitude 14.20 (0.004)
Pan y magnitude 13.88 (0.004)
E(B-V) 0.006

* 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.