Gaia DR2 3042344245950391040

All names: SDSS J075457.49-083646.0, WDJ075457.51-083645.68, WDJ075457.51-083645.69, Gaia EDR3 3042344245950391040, SDSS J075457.49-083645.9, Gaia DR2 3042344245950391040, Gaia DR3 3042344245950391040

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 07 54 57.47 (0.2) 07 54 57.47 07 54 57.47 07 54 57.51 (0.2) 07 54 57.47
Declination -08 36 46.18 (0.2) -08 36 46.16 -08 36 46.18 -08 36 45.69 (0.2) -08 36 46.16
Spectral type DA DA DA
Effective temperature [K] 5161.0 (66) 5282.0 4984.0 5297.0 (153)
log(g) [cgs] 7.84 (0.05) 7.82 7.60 7.97 (0.08)
Mass [M] 0.488 (0.04) 0.477 0.357 0.566 (0.07)
log(Luminosity) [L]
Cooling age [Gyr] 2.5700 2.6230
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] 10.99 (0.4) 10.36 (0.5) 10.99 10.99 (0.4) 10.36 (0.5)
Distance [pc] 91.02 (3) 96.48 (4) 91.02 91.02 (3) 96.48 (4)
Composition H
Proper motion (right ascension) [mas/yr] -39.73759089 (0.3) -39.84017662 (0.6) -39.738 (0.3) -39.84017662
Proper motion (declination) [mas/yr] -30.24751642 (0.3) -30.34458113 (0.4) -30.248 (0.3) -30.34458113
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 22.33 (0.4) 22.33 (0.4)
g magnitude 20.03 (0.02) 20.03 (0.02)
r magnitude 19.37 (0.01) 19.37 (0.01)
i magnitude 19.08 (0.02) 19.08 (0.02)
z magnitude 19.01 (0.05) 19.01 (0.05)
G magnitude 19.34 (0.05) 19.37 19.34 19.34 (0.004) 19.37
BP magnitude 19.82 (0.05) 19.76 19.76
RP magnitude 18.72 (0.03) 18.61 18.61
Pan g magnitude 19.77 (0.03)
Pan r magnitude 19.25 (0.007)
Pan i magnitude 19.00 (0.03)
Pan z magnitude 18.99 (0.02)
Pan y magnitude 18.95 (0.01)
E(B-V) 0.002

* 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.