All names: GALEX J075130.7+403740, Gaia EDR3 920868304254617344, SDSS J075130.80+403739.61, Gaia DR2 920868304254617344, SDSS J075130.79+403739.5, SDSS J075130.79+403739.6, Gaia DR3 920868304254617344, SDSS J075130.79+403739.4, SDSS J075130.80+403739.6
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 07 51 30.79 (0.3) | 07 51 30.80 | 07 51 30.79 (0.4) | 07 51 30.80 (0.3) | ||||||
Declination | 40 37 39.29 (0.2) | 40 37 39.60 | 40 37 39.30 (0.3) | 40 37 39.62 (0.2) | ||||||
Spectral type | DA | DA | DA | DA | ||||||
Effective temperature | [K] | 7279.0 | 7498.0 (108) | |||||||
log(g) | [cgs] | 6.99 | 8.13 (0.2) | |||||||
Mass | [M☉] | 0.197 | 0.669 (0.1) | |||||||
log(Luminosity) | [L☉] | |||||||||
Cooling age | [Gyr] | |||||||||
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] | 2.75 (0.4) | 2.89 (0.4) | 2.75 (0.4) | ||||||
Distance | [pc] | 364.23 (49) | 346.59 (54) | 364.23 (49) | ||||||
Composition | H | |||||||||
Proper motion (right ascension) | [mas/yr] | -9.741527074 (0.4) | -9.672835673 (0.8) | -9.742 (0.4) | ||||||
Proper motion (declination) | [mas/yr] | -20.71868671 (0.3) | -20.80413075 (0.6) | -20.719 (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 | 20.36 (0.05) | 20.38 (0.05) | 20.36 (0.05) | |||||||
g magnitude | 19.79 (0.02) | 19.83 (0.02) | 19.79 (0.02) | |||||||
r magnitude | 19.69 (0.02) | 19.73 (0.02) | 19.69 (0.02) | |||||||
i magnitude | 19.63 (0.02) | 19.67 (0.03) | 19.63 (0.02) | |||||||
z magnitude | 19.76 (0.08) | 19.82 (0.08) | 19.76 (0.08) | |||||||
G magnitude | 19.66 (0.07) | 19.71 | 19.66 (0.005) | |||||||
BP magnitude | 19.77 (0.07) | 19.92 | ||||||||
RP magnitude | 19.39 (0.07) | 19.35 | ||||||||
Pan g magnitude | 19.82 (0.01) | |||||||||
Pan r magnitude | 19.72 (0.01) | |||||||||
Pan i magnitude | 19.71 (0.009) | |||||||||
Pan z magnitude | 19.73 (0.02) | |||||||||
Pan y magnitude | 19.64 (0.2) | |||||||||
E(B-V) | 0.032 |
* Constant surface field
Spectra without link are available upon request
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.