SDSS J074555.04+231843.3

All names: Gaia DR3 867132868902565760, SDSS J074555.04+231843.2, SDSS J074555.04+231843.3, Gaia DR2 867132868902565760, Gaia EDR3 867132868902565760, SDSS J074555.03+231843.3

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H MWDD HE Gaia DR2 Stilism Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 07 45 55.02 (0.3) 07 45 55.04 07 45 55.02 (0.4) 07 45 55.03 (0.3) 07 45 55.04
Declination 23 18 43.20 (0.2) 23 18 43.32 23 18 43.20 (0.3) 23 18 43.41 (0.2) 23 18 43.28
Spectral type DC DC DC DC DC
Effective temperature [K] 8799.0 8560.0 10100.0 (34)
log(g) [cgs] 8.40 8.32 9.05 (0.7)
Mass [M] 0.852 0.785
log(Luminosity) [L]
Cooling age [Gyr] 1.6880 1.5970
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 6.12 (0.3) 6.22 (0.5) 6.12 (0.3)
Distance [pc] 163.33 (8) 160.76 (12) 163.33 (8)
Composition
Proper motion (right ascension) [mas/yr] -14.29497156 (0.3) -15.42515884 (0.8) -14.295 (0.3)
Proper motion (declination) [mas/yr] -13.2000351 (0.3) -12.73222791 (0.6) -13.2 (0.3)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.58 (0.03) 19.58 (0.03) 19.59 (0.03)
g magnitude 19.33 (0.01) 19.33 (0.01) 19.33 (0.02)
r magnitude 19.29 (0.01) 19.29 (0.01) 19.26 (0.02)
i magnitude 19.38 (0.02) 19.38 (0.02) 19.37 (0.02)
z magnitude 19.53 (0.06) 19.53 (0.06) 19.51 (0.06)
G magnitude 19.27 (0.05) 19.31 19.27 (0.004)
BP magnitude 19.43 (0.05) 19.25
RP magnitude 19.15 (0.07) 18.96
Pan g magnitude 19.32 (0.006)
Pan r magnitude 19.33 (0.005)
Pan i magnitude 19.42 (0.01)
Pan z magnitude 19.50 (0.02)
Pan y magnitude 19.59 (0.04)
E(B-V) 0.007

* 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.