SDSS J114910.94-014443.9

All names: 2QZ J114910.9-014444, WD 1146-014, SDSS J114910.95-014444.1, SDSS J114910.94-014443.9, Gaia DR2 3794341750450438656, SDSS J114910.95-014444.10, Gaia DR3 3794341750450438656, Gaia EDR3 3794341750450438656

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 11 49 10.89 (0.5) 11 49 10.95 11 49 10.89 (0.6) 11 49 10.95 (0.5) 11 49 10.95 11 49 10.66 11 49 10.95
Declination -01 44 44.45 (0.3) -01 44 43.91 -01 44 44.43 (0.3) -01 44 43.94 (0.3) -01 44 43.93 -01 44 40.92 -01 44 44.06
Spectral type DB DB DB:_or_HeSDB DB: DB DB:
Effective temperature [K] 16072.0 15970.0 13996.0 15291.0 (436) 15570.0 (592)
log(g) [cgs] 9.75 7.07 6.91 8.77 (0.2) 9.11 (0.3)
Mass [M] 1.485 0.244 0.208 1.295 (0.1)
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He) <-5.728
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] 1.71 (0.6) 0.99 (0.6) 1.71 (0.6)
Distance [pc] 586.37 (222) 1012.30 (651) 586.37 (222)
Composition He
Proper motion (right ascension) [mas/yr] -51.85275645 (0.9) -51.99684541 (1) -51.853 (0.9)
Proper motion (declination) [mas/yr] -31.95213546 (0.4) -31.4149597 (0.6) -31.952 (0.4)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.62 (0.03) 19.62 (0.03) 19.62 (0.03) 19.62 19.60 (0.03)
g magnitude 19.71 (0.01) 19.71 (0.01) 19.73 (0.02) 19.72 19.71 (0.02)
r magnitude 19.98 (0.02) 19.98 (0.02) 19.99 (0.02) 19.98 19.97 (0.02)
i magnitude 20.21 (0.04) 20.21 (0.04) 20.23 (0.04) 20.22 20.21 (0.04)
z magnitude 20.27 (0.1) 20.27 (0.1) 20.26 (0.1) 20.26 20.23 (0.1)
G magnitude 19.82 (0.04) 19.87 19.82 (0.005)
BP magnitude 19.86 (0.04) 19.79
RP magnitude 19.97 (0.08) 19.74
Pan g magnitude 19.74 (0.02)
Pan r magnitude 19.98 (0.03)
Pan i magnitude 20.28 (0.02)
Pan z magnitude 20.34 (0.04)
Pan y magnitude 20.21 (0.2)
E(B-V) 0.023

* 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.