All names: SDSS J105421.97+512254.1, Gaia EDR3 836369328128006144, [SGR2010] J1054+5122, WIRED J105421.97+512254.2, GALEX J105421.9+512253, WD 1051+516, [HHD2009] SDSS J1054+5122, SDSS J105421.97+512254.2, Gaia DR3 836369328128006144, SDSS J105421.98+512254.6, SBSS 1051+516, TIC 318252473, LAMOST J105421.88+512254.1, 2MASS J10542197+5122541, Gaia DR2 836369328128006144
| 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 | 10 54 21.95 (0.02) | 10 54 21.98 | 10 54 21.95 (0.02) | 10 54 21.97 | 10 54 21.98 (0.02) | 10 54 21.97 | 10 54 22.01 | 10 54 21.97 | |||
| Declination | 51 22 54.09 (0.03) | 51 22 54.28 | 51 22 54.10 (0.05) | 51 22 54.19 | 51 22 54.24 (0.03) | 51 22 54.20 | 51 22 54.84 | 51 22 54.24 | |||
| Spectral type | DA+M | DA+dMe | DA+M | DA+dMe | DA+ME | ||||||
| Effective temperature | [K] | 23863.0 (370) | 6300.0 (2) | 6300.0 (3) | |||||||
| log(g) | [cgs] | 8.15 (0.05) | 7.27 (0.07) | 5.00 (0.003) | |||||||
| Mass | [M☉] | 0.725 (0.03) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 4.48 (0.04) | 4.42 (0.07) | 4.48 (0.04) | |||||||
| Distance | [pc] | 222.97 (2) | 226.20 (3) | 222.97 (2) | |||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -16.82397355 (0.03) | -16.82792162 (0.06) | -16.824 (0.03) | -14.6 | ||||||
| Proper motion (declination) | [mas/yr] | -9.566620641 (0.03) | -9.530541302 (0.08) | -9.567 (0.03) | -9.4 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | WDMS | yes | WDMS | |||||||
| B magnitude | 17.00 | ||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | 13.46 (0.02) | ||||||||||
| H magnitude | 12.81 (0.02) | ||||||||||
| K magnitude | 12.57 (0.03) | ||||||||||
| u magnitude | 17.26 (0.008) | 17.25 | 17.26 (0.008) | 17.25 (0.02) | 17.25 | 17.26 (0.02) | |||||
| g magnitude | 16.78 (0.004) | 16.79 | 16.77 (0.004) | 16.79 (0.02) | 16.79 | 16.78 (0.02) | |||||
| r magnitude | 16.13 (0.004) | 16.14 | 16.16 (0.004) | 16.14 (0.02) | 16.14 | 16.13 (0.02) | |||||
| i magnitude | 15.27 (0.004) | 15.28 | 15.28 (0.004) | 15.28 (0.01) | 15.28 | 15.28 (0.02) | |||||
| z magnitude | 14.73 (0.005) | 14.76 | 14.75 (0.005) | 14.76 (0.01) | 14.76 | 14.76 (0.01) | |||||
| G magnitude | 15.79 (0.003) | 15.81 | 15.79 (0.003) | ||||||||
| BP magnitude | 16.60 (0.003) | 16.58 | |||||||||
| RP magnitude | 14.84 (0.001) | 14.86 | |||||||||
| Pan g magnitude | 16.74 (0.006) | ||||||||||
| Pan r magnitude | 16.16 (0.002) | ||||||||||
| Pan i magnitude | 15.29 (0.002) | ||||||||||
| Pan z magnitude | 14.84 (0.005) | ||||||||||
| Pan y magnitude | 14.61 (0.004) | ||||||||||
| E(B-V) | 0.016 | ||||||||||
* 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.