WD 1227+010

All names: SDSS J122945.65+004349.5, WD 1227+010, Gaia DR2 3696816512175375488, SDSS J122945.64+004349.4, Gaia DR3 3696816512175375488, 2QZ J122945.6+004349, SDSS J122945.65+004349.4, Gaia EDR3 3696816512175375488

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Kleinman et al. 2004 Vincent et al. 2023
Right ascension 12 29 45.64 (0.9) 12 29 45.65 12 29 45.64 (1) 12 29 45.65 (0.9) 12 29 45.65 12 29 44.64 12 29 45.65 12 29 45.65
Declination 00 43 49.37 (0.5) 00 43 49.46 00 43 49.37 (0.8) 00 43 49.45 (0.5) 00 43 49.42 00 43 43.32 00 43 49.47 00 43 49.48
Spectral type DA DA DA DA2.6 DA DA
Effective temperature [K] 15604.0 19222.0 (836) 19695.0 (831) 19178.0 (832)
log(g) [cgs] 7.56 7.83 (0.2) 7.80 (0.2) 7.83 (0.2)
Mass [M] 0.4 0.527 (0.1)
log(Luminosity) [L]
Cooling age [Gyr] 0.0899
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 1.79 (1) 1.09 (2) 1.79 (1)
Distance [pc] 557.36 (332) 916.77 (1396) 557.35 (332)
Composition H
Proper motion (right ascension) [mas/yr] -10.80306931 (1) -9.638475064 (3) -10.803 (1)
Proper motion (declination) [mas/yr] -4.815896908 (0.9) -6.159972693 (2) -4.816 (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 20.38 (0.04) 20.39 (0.04) 20.39 (0.04) 20.39 20.37 (0.04) 20.39 (0.04)
g magnitude 20.33 (0.02) 20.35 (0.02) 20.36 (0.02) 20.35 20.35 (0.02) 20.35 (0.02)
r magnitude 20.67 (0.03) 20.68 (0.03) 20.69 (0.03) 20.68 20.67 (0.03) 20.68 (0.03)
i magnitude 20.97 (0.06) 20.97 (0.06) 20.98 (0.06) 20.98 20.98 (0.06) 20.98 (0.06)
z magnitude 21.06 (0.2) 21.09 (0.2) 21.03 (0.2) 21.01 21.02 (0.2) 21.01 (0.2)
G magnitude 20.54 (0.07) 20.60 20.54 (0.008)
BP magnitude 20.54 (0.07) 20.36
RP magnitude 20.41 (0.1) 20.30
Pan g magnitude 20.45 (0.04)
Pan r magnitude 20.65 (0.03)
Pan i magnitude 21.02 (0.05)
Pan z magnitude 21.24 (0.09)
Pan y magnitude
E(B-V) 0.024

* 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.