WD J0733+2831

All names: Gaia EDR3 873317587449360000, Gaia DR3 873317587449360000, Gaia DR2 873317587449360000, SDSS J073356.99+283123.8, SDSS J073357.00+283123.8, WD 0730+286

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Tremblay et al. 2011 Mukadam et al. 2004 Vincent et al. 2024 Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 07 33 56.96 (0.2) 07 33 56.99 07 33 56.97 (0.3) 07 33 56.96 07 33 56.99 07 33 57.22 07 33 57.00
Declination 28 31 23.42 (0.2) 28 31 23.82 28 31 23.43 (0.3) 28 31 23.42 28 31 23.80 28 31 21.00 28 31 23.83
Spectral type DA DA DA DA_auto DA3.4 DA DA
Effective temperature [K] 15728.0 16200.0 (460) 14610.0 (290) 17059.0 (1962) 14609.0 (288) 15427.0 (312)
log(g) [cgs] 8.49 7.94 (0.09) 7.80 (0.06) 8.39 (0.1) 7.80 (0.06) 7.88 (0.07)
Mass [M] 0.921 0.58 (0.05) 0.86 (0.1) 0.552 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 0.3842 0.1549
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] 3.65 (0.2) 4.16 (0.4) 3.65
Distance [pc] 274.21 (18) 240.26 (21) 274.21
Composition H H
Proper motion (right ascension) [mas/yr] -24.54272123 (0.3) -24.37563752 (0.6) -21.0
Proper motion (declination) [mas/yr] -25.75350199 (0.2) -25.82547582 (0.6) -25.6
Variability NOV
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.16 (0.02) 19.12 (0.03) 19.15 19.18 (0.03)
g magnitude 18.78 (0.008) 18.83 18.77 (0.01) 18.83 18.78 (0.01)
r magnitude 19.03 (0.01) 19.01 (0.02) 19.02 (0.02)
i magnitude 19.32 (0.02) 19.31 (0.02) 19.31 (0.02)
z magnitude 19.68 (0.08) 19.66 (0.08) 19.68 (0.08)
G magnitude 18.90 (0.03) 18.95 18.90
BP magnitude 18.84 (0.03) 18.83
RP magnitude 19.08 (0.04) 18.92
Pan g magnitude 18.79 (0.008)
Pan r magnitude 19.04 (0.008)
Pan i magnitude 19.33 (0.006)
Pan z magnitude 19.59 (0.01)
Pan y magnitude 19.59 (0.1)
E(B-V) 0.015

* 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.