All names: SDSS J125146.04+290906.3, SDSS J125146.04+290906.4, WIRED J125146.04+290906.3, SDSS J125146.08+290906.5, GALEX J125146.1+290907, WD 1249+294, LAMOST J125146.04+290906.3, SDSS J125146.02+290906.4, Gaia EDR3 1464836293229901696, [HHD2009] SDSS J1251+2909, Gaia DR3 1464836293229901696, Gaia DR2 1464836293229901696
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 51 46.01 (0.2) | 12 51 46.04 | 12 51 46.01 (0.2) | 12 51 46.04 | 12 51 46.05 (0.2) | 12 51 45.55 | 12 51 46.04 | ||||
| Declination | 29 09 06.42 (0.2) | 29 09 06.36 | 29 09 06.41 (0.2) | 29 09 06.30 | 29 09 06.31 (0.2) | 29 09 00.36 | 29 09 06.35 | ||||
| Spectral type | DA+M | DA+M | DA d | DA+M | DA+MS | ||||||
| Effective temperature | [K] | 17506.0 (492) | 9591.0 (68) | ||||||||
| log(g) | [cgs] | 8.00 (0.1) | 8.26 (0.08) | ||||||||
| Mass | [M☉] | 0.615 (0.07) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 2.82 (0.3) | 2.81 (0.4) | 2.82 (0.3) | |||||||
| Distance | [pc] | 354.29 (36) | 355.38 (49) | 598.00 (137) | 354.28 (36) | ||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -35.69580884 (0.2) | -35.05648088 (0.4) | -35.696 (0.2) | |||||||
| Proper motion (declination) | [mas/yr] | 6.488165196 (0.3) | 6.445705389 (0.3) | 6.488 (0.3) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | WDMS | WDMS | ||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 19.00 (0.02) | 19.03 | 19.00 (0.02) | 19.02 | 19.00 (0.04) | ||||||
| g magnitude | 18.82 (0.008) | 18.85 | 18.82 (0.008) | 18.84 | 18.84 (0.02) | ||||||
| r magnitude | 19.01 (0.01) | 19.05 | 19.01 (0.01) | 19.04 | 19.04 (0.02) | ||||||
| i magnitude | 18.65 (0.01) | 18.67 | 18.63 (0.01) | 18.66 | 18.66 (0.02) | ||||||
| z magnitude | 18.16 (0.02) | 18.20 | 18.16 (0.02) | 18.19 | 18.19 (0.03) | ||||||
| G magnitude | 18.70 (0.03) | 18.72 | 18.70 (0.004) | ||||||||
| BP magnitude | 18.95 (0.03) | 18.84 | |||||||||
| RP magnitude | 18.31 (0.04) | 18.23 | |||||||||
| Pan g magnitude | 18.85 (0.005) | ||||||||||
| Pan r magnitude | 18.99 (0.008) | ||||||||||
| Pan i magnitude | 18.67 (0.005) | ||||||||||
| Pan z magnitude | 18.28 (0.01) | ||||||||||
| Pan y magnitude | 18.01 (0.009) | ||||||||||
| E(B-V) | 0.013 | ||||||||||
* 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.