SDSS J144649.55-010953.5

All names: Gaia EDR3 3650505567744957440, SDSS J144649.54-010953.5, Gaia DR3 3650505567744957440, SDSS J144649.55-010953.4, SDSS J144649.55-010953.5, Gaia DR2 3650505567744957440, WD 1444-009

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD HE Gaia DR2 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013
Right ascension 14 46 49.54 (0.8) 14 46 49.55 14 46 49.54 (1) 14 46 49.55 (0.8) 14 46 49.55 14 46 49.58 14 46 49.55
Declination -01 09 53.78 (0.6) -01 09 53.40 -01 09 53.76 (1) -01 09 53.42 (0.6) -01 09 53.53 -01 09 50.04 -01 09 53.51
Spectral type DB: DA DB: DB: DA
Effective temperature [K] 16517.0 15995.0 (533) 15760.0 (621)
log(g) [cgs] 7.85 7.72 (0.4) 7.79 (0.4)
Mass [M] 0.511
log(Luminosity) [L]
Cooling age [Gyr] 0.1116
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] -0.44 (0.8) -1.14 (1)
Distance [pc]
Composition He
Proper motion (right ascension) [mas/yr] -14.19799998 (1) -11.9995655 (2) -14.198 (1)
Proper motion (declination) [mas/yr] -22.34377417 (0.9) -26.56816027 (3) -22.344 (0.9)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.37 (0.04) 20.30 (0.05) 20.29 (0.05) 20.29 20.31 (0.05)
g magnitude 20.35 (0.02) 20.41 (0.02) 20.42 (0.03) 20.42 20.40 (0.03)
r magnitude 20.62 (0.03) 20.69 (0.03) 20.70 (0.03) 20.69 20.69 (0.03)
i magnitude 20.86 (0.05) 20.89 (0.06) 20.88 (0.06) 20.87 20.87 (0.05)
z magnitude 21.34 (0.3) 20.79 (0.2) 20.76 (0.2) 20.75 20.75 (0.2)
G magnitude 20.50 (0.1) 20.61 20.50 (0.009)
BP magnitude 20.45 (0.1) 20.63
RP magnitude 20.55 (0.3) 20.36
Pan g magnitude 20.43 (0.01)
Pan r magnitude 20.69 (0.04)
Pan i magnitude 20.91 (0.06)
Pan z magnitude 21.03 (0.05)
Pan y magnitude
E(B-V)

* 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.