All names: A2 88, SDSS J125135.26+292044.0, SDSS J125135.27+292044.1, KUV 12492+2937, Ton 662, WD 1249+296, CBS 65, Gaia DR3 1464852682825074432, LAMOST J125135.26+292044.0, LP 321-160, GALEX J125135.3+292044, SDSS J125135.22+292044.0, Gaia DR2 1464852682825074432, CSO 767, SDSS J125135.21+292043.9, Gaia EDR3 1464852682825074432
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Guo et al. 2015 | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 51 35.20 (0.09) | 12 51 35.26 | 12 51 35.20 (0.1) | 12 51 35.20 | 12 51 35.28 (0.09) | 12 51 35.52 | 12 51 35.27 | ||||||
| Declination | 29 20 43.82 (0.08) | 29 20 44.06 | 29 20 43.83 (0.09) | 29 20 43.82 | 29 20 44.03 (0.08) | 29 21 00.00 | 29 20 44.06 | ||||||
| Spectral type | DA | DA | DA | DA2.9 | DA2.5 | DA | DA | ||||||
| Effective temperature | [K] | 17200.0 (338) | 16085.0 (556) | 16584.0 (120) | |||||||||
| log(g) | [cgs] | 8.12 (0.06) | 7.97 (0.04) | 7.95 (0.02) | |||||||||
| Mass | [M☉] | 0.69 (0.04) | 0.597 (0.03) | 0.589 (0.009) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | ||||||||||||
| 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] | 5.51 (0.1) | 5.83 (0.2) | 5.51 | 5.51 (0.1) | ||||||||
| Distance | [pc] | 181.56 (5) | 171.42 (6) | 131.00 | 181.56 | 181.55 (5) | |||||||
| Composition | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -65.85351531 (0.09) | -65.87316129 (0.2) | -65.854 (0.09) | |||||||||
| Proper motion (declination) | [mas/yr] | -12.8399316 (0.1) | -13.03652537 (0.2) | -12.84 (0.1) | |||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 17.00 | ||||||||||||
| V magnitude | 16.80 | ||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 17.50 (0.01) | 17.50 (0.01) | 17.49 (0.02) | ||||||||||
| g magnitude | 17.30 (0.005) | 17.30 (0.005) | 17.29 (0.02) | ||||||||||
| r magnitude | 17.59 (0.006) | 17.59 (0.006) | 17.61 (0.02) | ||||||||||
| i magnitude | 17.87 (0.008) | 17.87 (0.008) | 17.86 (0.01) | ||||||||||
| z magnitude | 18.16 (0.03) | 18.16 (0.03) | 18.17 (0.04) | ||||||||||
| G magnitude | 17.43 (0.006) | 17.45 | 17.43 | 17.43 (0.003) | |||||||||
| BP magnitude | 17.38 (0.006) | 17.35 | |||||||||||
| RP magnitude | 17.58 (0.01) | 17.56 | |||||||||||
| Pan g magnitude | 17.30 (0.007) | ||||||||||||
| Pan r magnitude | 17.58 (0.003) | ||||||||||||
| Pan i magnitude | 17.87 (0.006) | ||||||||||||
| Pan z magnitude | 18.13 (0.005) | ||||||||||||
| Pan y magnitude | 18.26 (0.02) | ||||||||||||
| 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.