All names: Gaia DR3 299646605383880448, SDSS J020703.88+282027.8, SDSS J020703.88+282027.7, GALEX J020703.7+282028, Gaia DR2 299646605383880448, SDSS J020703.88+282027.77, Gaia EDR3 299646605383880448
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2016 | Simbad | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 02 07 03.88 (0.6) | 02 07 03.88 | 02 07 03.88 (0.8) | 02 07 03.88 (0.6) | ||||||
Declination | 28 20 27.77 (0.6) | 28 20 27.81 | 28 20 27.78 (0.8) | 28 20 27.95 (0.6) | ||||||
Spectral type | DA | DA | DA | DA | ||||||
Effective temperature | [K] | 9135.0 | 10422.0 (126) | |||||||
log(g) | [cgs] | 7.08 | 8.36 (0.1) | |||||||
Mass | [M☉] | 0.23 | 0.645 (0.07) | |||||||
log(Luminosity) | [L☉] | |||||||||
Cooling age | [Gyr] | 0.3192 | ||||||||
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] | 2.83 (0.7) | 1.66 (1) | 2.83 (0.7) | ||||||
Distance | [pc] | 353.10 (87) | 601.30 (349) | 353.09 (87) | ||||||
Composition | H | |||||||||
Proper motion (right ascension) | [mas/yr] | -3.295364471 (0.6) | 0.594637247 (2) | -3.295 (0.6) | ||||||
Proper motion (declination) | [mas/yr] | -10.95870157 (0.7) | -13.11675562 (2) | -10.959 (0.7) | ||||||
Variability | ||||||||||
Magnetic | ||||||||||
Bd | [MG] | |||||||||
Infrared excess (disk) | ||||||||||
Binarity | ||||||||||
B magnitude | ||||||||||
V magnitude | ||||||||||
R magnitude | ||||||||||
I magnitude | ||||||||||
J magnitude | ||||||||||
H magnitude | ||||||||||
K magnitude | ||||||||||
u magnitude | 20.86 (0.08) | 20.88 (0.08) | 20.88 (0.08) | |||||||
g magnitude | 20.31 (0.02) | 20.33 (0.03) | 20.31 (0.02) | |||||||
r magnitude | 20.28 (0.03) | 20.31 (0.03) | 20.28 (0.03) | |||||||
i magnitude | 20.39 (0.05) | 20.38 (0.05) | 20.38 (0.05) | |||||||
z magnitude | 20.58 (0.2) | 20.51 (0.2) | 20.51 (0.2) | |||||||
G magnitude | 20.26 (0.1) | 20.35 | 20.26 (0.008) | |||||||
BP magnitude | 20.46 (0.1) | 20.44 | ||||||||
RP magnitude | 20.11 (0.1) | 20.31 | ||||||||
Pan g magnitude | 20.23 (0.03) | |||||||||
Pan r magnitude | 20.31 (0.02) | |||||||||
Pan i magnitude | 20.42 (0.01) | |||||||||
Pan z magnitude | 20.51 (0.09) | |||||||||
Pan y magnitude | ||||||||||
E(B-V) | 0.082 |
* 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.