All names: GALEX 2687850736451060585, Gaia EDR3 3960498057854234880, SDSS J123611.98+252225.4, USNO-A2.0 1125-06548485, Gaia DR3 3960498057854234880, Gaia DR2 3960498057854234880, SDSS J123611.99+252225.4
Parameter | Unit | Gaia EDR3 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 12 36 11.98 (0.1) | 12 36 11.98 | 12 36 11.98 (0.2) | 12 36 11.98 | 12 36 11.98 (0.2) | 12 36 11.99 | ||||
Declination | 25 22 25.47 (0.07) | 25 22 25.43 | 25 22 25.47 (0.1) | 25 22 25.47 | 25 22 25.42 (0.1) | 25 22 25.43 | ||||
Spectral type | DA | DA | DA | DA | DA | |||||
Effective temperature | [K] | 9752.0 | 10965.0 (261) | 11183.0 (72) | ||||||
log(g) | [cgs] | 7.51 | 7.71 (0.05) | 8.32 (0.04) | ||||||
Mass | [M☉] | 0.359 | 0.452 (0.03) | 0.793 (0.03) | ||||||
log(Luminosity) | [L☉] | |||||||||
Cooling age | [Gyr] | 0.3819 | ||||||||
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] | 4.49 (0.1) | 4.73 (0.2) | 4.49 | 4.73 (0.2) | |||||
Distance | [pc] | 222.77 (7) | 211.53 (9) | 222.77 | 211.53 (9) | |||||
Composition | H | |||||||||
Proper motion (right ascension) | [mas/yr] | -1.253327339 (0.2) | -1.245247672 (0.3) | -1.245 (0.3) | ||||||
Proper motion (declination) | [mas/yr] | 3.289054516 (0.1) | 3.25930401 (0.2) | 3.259 (0.2) | ||||||
Variability | ||||||||||
Magnetic | ||||||||||
Bd | [MG] | |||||||||
Infrared excess (disk) | ||||||||||
Binarity | ||||||||||
B magnitude | 17.80 (0.3) | |||||||||
V magnitude | ||||||||||
R magnitude | 17.60 (0.3) | |||||||||
I magnitude | ||||||||||
J magnitude | ||||||||||
H magnitude | ||||||||||
K magnitude | ||||||||||
u magnitude | 18.59 (0.02) | 18.59 (0.02) | 18.67 (0.02) | |||||||
g magnitude | 18.19 (0.007) | 18.20 (0.007) | 18.33 (0.03) | |||||||
r magnitude | 18.28 (0.008) | 18.28 (0.008) | 18.39 (0.02) | |||||||
i magnitude | 18.42 (0.01) | 18.42 (0.01) | 18.59 (0.01) | |||||||
z magnitude | 18.58 (0.03) | 18.58 (0.03) | 18.74 (0.03) | |||||||
G magnitude | 18.35 (0.01) | 18.36 | 18.35 | 18.36 (0.002) | ||||||
BP magnitude | 18.27 (0.01) | 18.28 | ||||||||
RP magnitude | 18.17 (0.02) | 18.10 | ||||||||
Pan g magnitude | ||||||||||
Pan r magnitude | ||||||||||
Pan i magnitude | ||||||||||
Pan z magnitude | ||||||||||
Pan y magnitude | ||||||||||
E(B-V) | 0.013 |
* 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.