All names: SDSS J025141.92-004129.9, 2MASS J02514192-0041298, SDSS J025141.93-004129.9, SDSS J025141.92-004129.8, [SGR2010] J0251-0041, Gaia DR3 2497525892101297408, Gaia DR2 2497525892101297408, TIC 439866252, Gaia EDR3 2497525892101297408, WIRED J025141.92-004129.9, GALEX J025141.8-004128, SDSS J025141.92-004130.0, WD 0249-008
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 02 51 41.93 (0.09) | 02 51 41.92 | 02 51 41.93 (0.1) | 02 51 41.92 | 02 51 41.92 (0.09) | 02 51 41.92 | 02 51 42.12 | 02 51 41.92 | |||
Declination | -00 41 30.02 (0.09) | -00 41 29.92 | -00 41 30.02 (0.1) | -00 41 29.90 | -00 41 29.93 (0.09) | -00 41 29.88 | -00 41 24.36 | -00 41 29.95 | |||
Spectral type | DA+M | DA+dM | DA+M | DA | DA+M | ||||||
Effective temperature | [K] | 8554.0 (190) | 6300.0 (2) | 6300.0 (3) | |||||||
log(g) | [cgs] | 8.22 (0.4) | 8.01 (0.04) | 10.00 (0.008) | |||||||
Mass | [M☉] | 0.74 (0.2) | |||||||||
log(Luminosity) | [L☉] | ||||||||||
Cooling age | [Gyr] | ||||||||||
log(H/He) | |||||||||||
log(C/He) | |||||||||||
log(Ca/He) | |||||||||||
log(Ca/H) | |||||||||||
Parallax | [mas] | 4.08 (0.1) | 4.10 (0.2) | 4.08 (0.1) | |||||||
Distance | [pc] | 244.86 (7) | 244.00 (1e+01) | 656.00 (53) | 244.86 (7) | ||||||
Composition | |||||||||||
Proper motion (right ascension) | [mas/yr] | 13.74248813 (0.1) | 14.07344805 (0.2) | 13.742 (0.1) | 10.7 | ||||||
Proper motion (declination) | [mas/yr] | -6.037607587 (0.1) | -5.658976633 (0.2) | -6.038 (0.1) | -3.2 | ||||||
Variability | |||||||||||
Magnetic | |||||||||||
Bd | [MG] | ||||||||||
Infrared excess (disk) | |||||||||||
Binarity | WDMS | WDMS | WDMS | ||||||||
B magnitude | |||||||||||
V magnitude | |||||||||||
R magnitude | |||||||||||
I magnitude | |||||||||||
J magnitude | 14.46 (0.003) | ||||||||||
H magnitude | 13.92 (0.003) | ||||||||||
K magnitude | 13.67 (0.004) | ||||||||||
u magnitude | 20.01 (0.04) | 19.95 | 19.91 (0.05) | 19.95 (0.05) | 19.94 | 19.96 (0.05) | |||||
g magnitude | 18.86 (0.009) | 18.82 | 18.80 (0.01) | 18.82 (0.02) | 18.81 | 18.84 (0.02) | |||||
r magnitude | 17.84 (0.007) | 17.91 | 17.92 (0.01) | 17.91 (0.01) | 17.92 (0.01) | ||||||
i magnitude | 16.59 (0.006) | 16.60 | 16.57 (0.005) | 16.60 (0.02) | 16.61 (0.02) | ||||||
z magnitude | 15.87 (0.007) | 15.84 | 15.87 (0.01) | 15.85 (0.01) | 15.87 (0.01) | ||||||
G magnitude | 17.26 (0.02) | 17.29 | 17.26 (0.003) | ||||||||
BP magnitude | 18.56 (0.02) | 18.55 | |||||||||
RP magnitude | 16.10 (0.004) | 16.12 | |||||||||
Pan g magnitude | 18.74 (0.009) | ||||||||||
Pan r magnitude | 17.86 (0.008) | ||||||||||
Pan i magnitude | 16.61 (0.005) | ||||||||||
Pan z magnitude | 16.00 (0.004) | ||||||||||
Pan y magnitude | 15.68 (0.005) | ||||||||||
E(B-V) | 0.022 |
* 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.