SDSS J150402.73+075011.0

All names: Gaia DR3 1160759923002231936, Gaia DR2 1160759923002231936, J1504+0750, WDJ150402.73+075011.41, SDSS J150402.73+075011.0, SDSS J150402.74+075011.0, Gaia EDR3 1160759923002231936, GALEX J150402.8+075009

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Kilic et al. 2025 Caron et al. 2023 Kilic et al. 2020 MWDD H Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 Kleinman et al. 2013 Vincent et al. 2023
Right ascension 15 04 02.76 (0.2) 15 04 02.74 15 04 02.75 (0.2) 15 04 02.76 15 04 02.73 (0.2) 15 04 02.75 15 04 02.74
Declination 07 50 09.74 (0.2) 07 50 11.02 07 50 09.79 (0.3) 07 50 09.74 07 50 11.41 (0.2) 07 50 09.79 07 50 11.04
Spectral type DA DA DA DA DA DA DA DA
Effective temperature [K] 6616.0 (42) 6633.0 (42) 6613.0 (42) 6589.0 6637.0 (162) 6691.0 (53)
log(g) [cgs] 8.18 (0.02) 8.14 (0.03) 8.13 (0.03) 8.12 8.18 (0.05) 8.33 (0.1)
Mass [M] 0.7 (0.02) 0.679 (0.03) 0.668 (0.03) 0.663 0.701 (0.04) 0.792 (0.07)
log(Luminosity) [L]
Cooling age [Gyr] 2.3200 2.2330
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] 12.11 (0.2) 11.72 (0.3) 11.72 (0.3) 12.11 12.11 (0.2) 11.72 (0.3)
Distance [pc] 82.60 (1) 85.32 (2) 85.31 (2) 82.60 82.60 (1) 85.31 (2)
Composition H H H
Proper motion (right ascension) [mas/yr] 20.37738048 (0.2) 20.47651916 (0.4) 20.377 (0.2) 20.47651916
Proper motion (declination) [mas/yr] -104.6810588 (0.2) -104.657787 (0.5) -104.681 (0.2) -104.657787
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 17.69 (0.02) 17.69 (0.02)
H magnitude 17.62 (0.04) 17.62 (0.04)
K magnitude 17.62 (0.09) 17.62 (0.09)
u magnitude 19.41 (0.03) 19.40 (0.03) 19.41 (0.03) 19.41 (0.03) 19.37 (0.03)
g magnitude 18.73 (0.008) 18.73 (0.008) 18.73 (0.008) 18.73 (0.02)
r magnitude 18.52 (0.009) 18.52 (0.009) 18.52 (0.009) 18.52 (0.01)
i magnitude 18.43 (0.01) 18.43 (0.01) 18.43 (0.01) 18.43 (0.02)
z magnitude 18.46 (0.03) 18.46 (0.03) 18.46 (0.03) 18.44 (0.03)
G magnitude 18.48 (0.03) 18.51 18.48 18.48 (0.004) 18.51
BP magnitude 18.70 (0.03) 18.65 18.65
RP magnitude 18.12 (0.04) 18.14 18.14
Pan g magnitude 18.70 (0.007) 18.70 (0.007)
Pan r magnitude 18.49 (0.009) 18.49 (0.009)
Pan i magnitude 18.45 (0.007) 18.45 (0.007)
Pan z magnitude 18.45 (0.007) 18.45 (0.008)
Pan y magnitude 18.45 (0.008) 18.45 (0.01)
E(B-V) 0.008

* 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.