All names: Gaia DR3 1521505633625466752, SDSS J123616.58+390924.5, Gaia EDR3 1521505633625466752, SDSS J123616.58+390924.59, Gaia DR2 1521505633625466752, GALEX J123616.5+390924
Parameter | Unit | Gaia EDR3 | SDSS DR10 | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|
Right ascension | 12 36 16.54 (0.3) | 12 36 16.58 | 12 36 16.55 (0.5) | 12 36 16.60 (0.3) | |||||
Declination | 39 09 24.65 (0.3) | 39 09 24.60 | 39 09 24.65 (0.4) | 39 09 24.62 (0.3) | |||||
Spectral type | DA: | DA: | DA | DA | |||||
Effective temperature | [K] | 8248.0 | 7827.0 (71) | ||||||
log(g) | [cgs] | 7.99 | 7.86 (0.1) | ||||||
Mass | [M☉] | 0.591 | 0.524 (0.05) | ||||||
log(Luminosity) | [L☉] | ||||||||
Cooling age | [Gyr] | 0.9811 | |||||||
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] | 3.77 (0.4) | 4.25 (0.6) | 3.77 (0.4) | |||||
Distance | [pc] | 265.19 (26) | 235.35 (31) | 265.19 (26) | |||||
Composition | H | ||||||||
Proper motion (right ascension) | [mas/yr] | -39.27933228 (0.3) | -39.83347016 (0.9) | -39.279 (0.3) | |||||
Proper motion (declination) | [mas/yr] | 1.879685575 (0.4) | 2.333627715 (0.7) | 1.88 (0.4) | |||||
Variability | |||||||||
Magnetic | |||||||||
Bd | [MG] | ||||||||
Infrared excess (disk) | |||||||||
Binarity | |||||||||
B magnitude | |||||||||
V magnitude | |||||||||
R magnitude | |||||||||
I magnitude | |||||||||
J magnitude | |||||||||
H magnitude | |||||||||
K magnitude | |||||||||
u magnitude | 20.30 (0.05) | 20.26 (0.05) | 20.30 (0.05) | ||||||
g magnitude | 19.80 (0.02) | 19.78 (0.03) | 19.80 (0.02) | ||||||
r magnitude | 19.74 (0.02) | 19.73 (0.02) | 19.74 (0.02) | ||||||
i magnitude | 19.81 (0.03) | 19.80 (0.03) | 19.81 (0.03) | ||||||
z magnitude | 19.93 (0.1) | 19.88 (0.1) | 19.93 (0.1) | ||||||
G magnitude | 19.68 (0.06) | 19.73 | 19.68 (0.005) | ||||||
BP magnitude | 19.89 (0.06) | 19.72 | |||||||
RP magnitude | 19.54 (0.08) | 19.35 | |||||||
Pan g magnitude | |||||||||
Pan r magnitude | |||||||||
Pan i magnitude | |||||||||
Pan z magnitude | |||||||||
Pan y magnitude | |||||||||
E(B-V) | 0.015 |
* 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.