All names: SDSS J012102.28-002812.1, SDSS J012102.33-002811.3, SDSS J012102.29-002812.14, [GMS97] NGC 450 110, SDSS J012102.30-002812.0, Gaia DR2 2534124712884193536, SDSS J012102.29-002812.1, GALEX J012102.2-002811, Gaia EDR3 2534124712884193536, Gaia DR3 2534124712884193536
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2015 | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 01 21 02.22 (0.2) | 01 21 02.30 | 01 21 02.22 (0.2) | 01 21 02.22 | 01 21 02.33 (0.2) | ||||||
Declination | -00 28 13.39 (0.1) | -00 28 12.04 | -00 28 13.33 (0.1) | -00 28 13.39 | -00 28 11.52 (0.1) | ||||||
Spectral type | DA | DA | DA | DA | DA | ||||||
Effective temperature | [K] | 10252.0 | 10407.0 (29) | 10429.0 (334) | |||||||
log(g) | [cgs] | 8.44 | 8.13 (0.03) | 8.47 (0.05) | |||||||
Mass | [M☉] | 0.883 | 0.674 (0.02) | 0.903 (0.04) | |||||||
log(Luminosity) | [L☉] | ||||||||||
Cooling age | [Gyr] | 1.1320 | |||||||||
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] | 7.21 (0.2) | 7.15 (0.3) | 7.21 | 7.21 (0.2) | ||||||
Distance | [pc] | 138.71 (4) | 139.82 (5) | 138.71 | 138.71 (4) | ||||||
Composition | H | ||||||||||
Proper motion (right ascension) | [mas/yr] | -103.5390225 (0.3) | -104.7946835 (0.7) | -103.539 (0.3) | |||||||
Proper motion (declination) | [mas/yr] | -117.0767456 (0.2) | -117.00705 (0.3) | -117.077 (0.2) | |||||||
Variability | |||||||||||
Magnetic | |||||||||||
Bd | [MG] | ||||||||||
Infrared excess (disk) | |||||||||||
Binarity | |||||||||||
B magnitude | 18.50 | ||||||||||
V magnitude | |||||||||||
R magnitude | |||||||||||
I magnitude | |||||||||||
J magnitude | |||||||||||
H magnitude | |||||||||||
K magnitude | |||||||||||
u magnitude | 19.09 (0.02) | 19.11 (0.04) | 19.09 (0.02) | ||||||||
g magnitude | 18.56 (0.008) | 18.58 (0.04) | 18.56 (0.008) | ||||||||
r magnitude | 18.65 (0.009) | 18.66 (0.02) | 18.65 (0.009) | ||||||||
i magnitude | 18.93 (0.01) | 18.94 (0.02) | 18.93 (0.01) | ||||||||
z magnitude | 19.24 (0.05) | 19.25 (0.06) | 19.24 (0.05) | ||||||||
G magnitude | 18.52 (0.02) | 18.56 | 18.52 | 18.52 (0.003) | |||||||
BP magnitude | 18.57 (0.02) | 18.55 | |||||||||
RP magnitude | 18.41 (0.03) | 18.42 | |||||||||
Pan g magnitude | 18.52 (0.01) | ||||||||||
Pan r magnitude | 18.61 (0.008) | ||||||||||
Pan i magnitude | 18.74 (0.007) | ||||||||||
Pan z magnitude | 18.92 (0.01) | ||||||||||
Pan y magnitude | 19.05 (0.03) | ||||||||||
E(B-V) | 0.007 |
* 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.