All names: Gaia DR3 4006883670291491840, Gaia DR2 4006883670291491840, SDSS J120154.85+272338.33, GALEX J120154.9+272337, SDSS J120154.85+272338.3, Gaia EDR3 4006883670291491840
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 | 12 01 54.86 (0.8) | 12 01 54.85 | 12 01 54.86 (1) | 12 01 54.86 (0.8) | ||||||
Declination | 27 23 38.11 (0.8) | 27 23 38.34 | 27 23 38.12 (1) | 27 23 38.36 (0.8) | ||||||
Spectral type | DA: | DA: | DA | DA | ||||||
Effective temperature | [K] | 7980.0 | 8655.0 (176) | |||||||
log(g) | [cgs] | 7.02 | 7.78 (0.3) | |||||||
Mass | [M☉] | 0.209 | 0.392 (0.1) | |||||||
log(Luminosity) | [L☉] | |||||||||
Cooling age | [Gyr] | 0.4416 | ||||||||
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] | 1.92 (1) | 1.69 (1) | 1.92 (1) | ||||||
Distance | [pc] | 520.19 (261) | 590.83 (473) | 520.18 (261) | ||||||
Composition | H | |||||||||
Proper motion (right ascension) | [mas/yr] | -3.562566778 (1) | -6.312399294 (3) | -3.563 (1) | ||||||
Proper motion (declination) | [mas/yr] | -15.68332292 (1) | -13.98306182 (3) | -15.683 (1) | ||||||
Variability | ||||||||||
Magnetic | ||||||||||
Bd | [MG] | |||||||||
Infrared excess (disk) | ||||||||||
Binarity | ||||||||||
B magnitude | ||||||||||
V magnitude | ||||||||||
R magnitude | ||||||||||
I magnitude | ||||||||||
J magnitude | ||||||||||
H magnitude | ||||||||||
K magnitude | ||||||||||
u magnitude | 21.02 (0.08) | 21.00 (0.08) | 21.00 (0.08) | |||||||
g magnitude | 20.65 (0.02) | 20.63 (0.03) | 20.63 (0.03) | |||||||
r magnitude | 20.55 (0.03) | 20.54 (0.03) | 20.54 (0.03) | |||||||
i magnitude | 20.59 (0.04) | 20.57 (0.04) | 20.57 (0.04) | |||||||
z magnitude | 20.58 (0.2) | 20.52 (0.1) | 20.52 (0.1) | |||||||
G magnitude | 20.55 (0.1) | 20.58 | 20.55 (0.01) | |||||||
BP magnitude | 20.61 (0.1) | 20.64 | ||||||||
RP magnitude | 20.14 (0.1) | 20.30 | ||||||||
Pan g magnitude | 20.59 (0.02) | |||||||||
Pan r magnitude | 20.55 (0.02) | |||||||||
Pan i magnitude | 20.63 (0.04) | |||||||||
Pan z magnitude | 20.66 (0.05) | |||||||||
Pan y magnitude | 20.40 (0.2) | |||||||||
E(B-V) | 0.018 |
* 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.