WD 0749+394

All names: Gaia DR3 920453307334669312, WD 0749+394, Gaia DR2 920453307334669312, SDSS J075244.23+391648.6, Gaia EDR3 920453307334669312, SDSS J075244.22+391648.5, GALEX J075244.2+391648

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
Right ascension 07 52 44.23 (0.4) 07 52 44.23 07 52 44.23 (0.5) 07 52 44.23 (0.4) 07 52 44.23 07 52 44.21 07 52 44.23 07 52 44.23
Declination 39 16 48.53 (0.3) 39 16 48.56 39 16 48.53 (0.4) 39 16 48.58 (0.3) 39 16 48.55 39 16 43.32 39 16 48.62 39 16 48.61
Spectral type DA DA DA DA0.9 DA
Effective temperature [K] 9190.0 59645.0 (4588) 54783.0 (4347) 54019.0 (4342)
log(g) [cgs] 6.78 7.72 (0.3) 7.39 (0.4) 8.04 (0.4)
Mass [M] 0.171 0.494 (0.1)
log(Luminosity) [L]
Cooling age [Gyr]
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] 0.57 (0.4) 1.59 (0.7) 0.57 (0.4)
Distance [pc] 1767.27 (1341) 627.82 (286) 1767.41 (1341)
Composition H
Proper motion (right ascension) [mas/yr] -1.388913062 (0.5) 0.108605533 (1) -1.389 (0.5) -25.9 -26.0
Proper motion (declination) [mas/yr] -3.160007967 (0.4) -3.243123873 (0.6) -3.16 (0.4) -3.5 -2.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.09 (0.02) 19.09 (0.02) 19.11 (0.03) 19.11 19.10 (0.03) 19.11 (0.03)
g magnitude 19.41 (0.01) 19.41 (0.01) 19.45 (0.02) 19.45 19.45 (0.02) 19.45 (0.02)
r magnitude 19.88 (0.02) 19.88 (0.02) 19.91 (0.03) 19.91 19.90 (0.03) 19.91 (0.03)
i magnitude 19.98 (0.03) 19.98 (0.03) 20.05 (0.03) 20.05 20.04 (0.03) 20.05 (0.03)
z magnitude 19.86 (0.1) 19.86 (0.1) 19.93 (0.09) 19.96 19.92 (0.09) 19.96 (0.1)
G magnitude 19.75 (0.06) 19.79 19.75 (0.006)
BP magnitude 19.61 (0.06) 19.51
RP magnitude 19.63 (0.09) 19.49
Pan g magnitude 19.53 (0.009)
Pan r magnitude 19.95 (0.01)
Pan i magnitude 20.03 (0.009)
Pan z magnitude 19.98 (0.04)
Pan y magnitude 19.97 (0.02)
E(B-V) 0.039

* 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.