All names: TIC 85273412, LAMOST J112512.36+290545.4, US 2386, WD 1122+293, SDSS J112512.29+290545.1, LAMOST J112512.29+290545.2, GALEX J112512.3+290545, Gaia EDR3 4022209354848841600, 2MASS J11251231+2905453, Gaia DR2 4022209354848841600, Gaia DR3 4022209354848841600, SDSS J112512.29+290545.2
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Guo et al. 2015 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 11 25 12.24 (0.06) | 11 25 12.29 | 11 25 12.25 (0.1) | 11 25 12.30 (0.06) | 11 25 11.62 | 11 25 12.29 | ||||
| Declination | 29 05 44.71 (0.07) | 29 05 45.21 | 29 05 44.73 (0.1) | 29 05 45.35 (0.07) | 29 05 42.36 | 29 05 45.20 | ||||
| Spectral type | DA+M? | DA+M | DA2.4 M | DA+M | ||||||
| Effective temperature | [K] | 6300.0 (3) | ||||||||
| log(g) | [cgs] | 5.00 (0.004) | ||||||||
| Mass | [M☉] | |||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 3.44 (0.08) | 3.28 (0.1) | 3.44 (0.08) | ||||||
| Distance | [pc] | 290.29 (7) | 304.67 (12) | 290.29 (7) | ||||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -50.57135224 (0.06) | -51.89074079 (0.2) | -50.571 (0.06) | ||||||
| Proper motion (declination) | [mas/yr] | -40.02437523 (0.07) | -38.92379221 (0.2) | -40.024 (0.07) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | |||||||||
| B magnitude | 18.80 | |||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 14.53 (0.03) | |||||||||
| H magnitude | 13.91 (0.04) | |||||||||
| K magnitude | 13.63 (0.04) | |||||||||
| u magnitude | 18.82 (0.02) | 18.82 (0.02) | 18.83 | 18.85 (0.03) | ||||||
| g magnitude | 18.21 (0.006) | 18.17 (0.006) | 18.16 | 18.18 (0.03) | ||||||
| r magnitude | 17.52 (0.006) | 17.52 (0.006) | 17.50 | 17.52 (0.01) | ||||||
| i magnitude | 16.48 (0.005) | 16.48 (0.005) | 16.46 | 16.47 (0.01) | ||||||
| z magnitude | 15.86 (0.006) | 15.86 (0.006) | 15.86 | 15.89 (0.02) | ||||||
| G magnitude | 17.01 (0.008) | 17.03 | 17.01 (0.003) | |||||||
| BP magnitude | 17.95 (0.008) | 17.97 | ||||||||
| RP magnitude | 15.99 (0.004) | 16.02 | ||||||||
| Pan g magnitude | 18.09 (0.005) | |||||||||
| Pan r magnitude | 17.49 (0.008) | |||||||||
| Pan i magnitude | 16.45 (0.004) | |||||||||
| Pan z magnitude | 15.93 (0.002) | |||||||||
| Pan y magnitude | 15.68 (0.004) | |||||||||
| E(B-V) | 0.017 | |||||||||
* 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.