SDSS J074552.15+331640.7

All names: SDSS J074552.14+331640.7, Gaia DR3 882074613448888960, Gaia DR2 882074613448888960, SDSS J074552.15+331640.7, SDSS J074552.15+331640.8, WD 0742+334, Gaia EDR3 882074613448888960, GALEX J074552.1+331641, SDSS J074552.13+331640.3

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Vincent et al. 2024 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 07 45 52.11 (0.2) 07 45 52.13 07 45 52.11 (0.2) 07 45 52.11 07 45 52.15 (0.2) 07 45 52.15 07 45 52.22 07 45 52.15
Declination 33 16 39.92 (0.2) 33 16 40.35 33 16 39.94 (0.2) 33 16 39.92 33 16 40.77 (0.2) 33 16 40.79 33 16 39.72 33 16 40.75
Spectral type DA DA DA DA_auto DA DA DA
Effective temperature [K] 8778.0 8264.0 (368) 9021.0 (68) 8971.0 (77)
log(g) [cgs] 7.53 7.40 (0.1) 7.81 (0.1) 7.76 (0.1)
Mass [M] 0.364 0.312 (0.06) 0.483 (0.07)
log(Luminosity) [L]
Cooling age [Gyr] 0.5117
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] 3.96 (0.2) 3.86 (0.3) 3.96 3.96 (0.2)
Distance [pc] 252.50 (16) 258.84 (21) 252.50 252.50 (16)
Composition H
Proper motion (right ascension) [mas/yr] -31.14282248 (0.3) -31.62643488 (0.5) -31.143 (0.3) -26.6
Proper motion (declination) [mas/yr] -53.44508911 (0.2) -53.50651611 (0.3) -53.445 (0.2) -50.7
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.60 (0.03) 19.60 (0.03) 19.59 (0.03) 19.58 19.59 (0.03)
g magnitude 19.10 (0.009) 19.10 (0.009) 19.11 (0.01) 19.11 19.10 (0.01)
r magnitude 19.16 (0.01) 19.16 (0.01) 19.14 (0.02) 19.14 19.14 (0.02)
i magnitude 19.21 (0.01) 19.21 (0.01) 19.20 (0.02) 19.20 19.20 (0.02)
z magnitude 19.34 (0.05) 19.34 (0.05) 19.33 (0.07) 19.33 19.33 (0.07)
G magnitude 19.06 (0.05) 19.10 19.06 19.06 (0.004)
BP magnitude 19.14 (0.05) 19.11
RP magnitude 18.86 (0.04) 18.81
Pan g magnitude 19.10 (0.01)
Pan r magnitude 19.10 (0.009)
Pan i magnitude 19.18 (0.006)
Pan z magnitude 19.37 (0.02)
Pan y magnitude 19.32 (0.04)
E(B-V) 0.018

* 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.