Gaia DR2 3151443115414582016

All names: WDJ074842.49+112501.60, SDSS J074842.48+112502.0, SDSS J074842.47+112502.0, GALEX J074842.4+112502, Gaia EDR3 3151443115414582016, J0748+1125, Gaia DR3 3151443115414582016, LAMOST J074842.39+112502.3, Gaia DR2 3151443115414582016, WDJ074842.49+112501.61

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 Caron et al. 2023 Kilic et al. 2020 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 07 48 42.45 (0.05) 07 48 42.45 07 48 42.45 07 48 42.49 (0.05) 07 48 42.45
Declination 11 25 02.93 (0.03) 11 25 02.88 11 25 02.93 11 25 01.61 (0.03) 11 25 02.88
Spectral type DCP DC DC DC DC
Effective temperature [K] 8983.0 (56) 9139.0 (44) 8983.0 (56) 9880.0 9661.0 8799.0 (96)
log(g) [cgs] 8.32 (0.009) 8.36 (0.008) 8.32 (0.01) 8.59 8.52 8.31 (0.02)
Mass [M] 0.781 (0.009) 0.81 (0.007) 0.785 (0.009) 0.978 0.916 0.774 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 1.4200 1.8460 1.7040
log(H/He) -4.2 -4.2 -4.2
log(C/He)
log(Ca/He)
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 21.42 (0.06) 21.53 (0.08) 21.53 (0.08) 21.42 21.42 (0.06) 21.53 (0.08)
Distance [pc] 46.68 (0.1) 46.45 (0.2) 46.44 (0.2) 46.68 46.68 (0.1) 46.44 (0.2)
Composition He
Proper motion (right ascension) [mas/yr] -36.48635653 (0.06) -36.65965209 (0.2) -36.486 (0.06) -36.65965209
Proper motion (declination) [mas/yr] 82.50627719 (0.03) 82.37753738 (0.08) 82.506 (0.03) 82.37753738
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 16.45 (0.01)
H magnitude
K magnitude
u magnitude 16.75 (0.007) 16.76 (0.007) 16.75 (0.007)
g magnitude 16.49 (0.004) 16.49 (0.004)
r magnitude 16.57 (0.005) 16.58 (0.004)
i magnitude 16.72 (0.006) 16.73 (0.005)
z magnitude 16.88 (0.01) 16.85 (0.01)
G magnitude 16.50 (0.003) 16.52 16.50 16.50 (0.003) 16.52
BP magnitude 16.55 (0.003) 16.54 16.54
RP magnitude 16.41 (0.006) 16.41 16.41
Pan g magnitude 16.52 (0.004) 16.52 (0.004)
Pan r magnitude 16.58 (0.001) 16.58 (0.001)
Pan i magnitude 16.75 (0.004) 16.75 (0.004)
Pan z magnitude 16.87 (0.005) 16.87 (0.005)
Pan y magnitude 16.97 (0.007) 16.97 (0.006)
E(B-V) 0.001

* Constant surface field

Special notes:

Spectra

Controls

Normalize at:
Normalize by mean flux

Range:

x: to
y: to

Spectra available:

Spectra without link are available upon request

Absorption lines

Photometric filters

BVRI
ugriz

Photometric fit





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.