All names: SDSS J121334.60+390057.9, WD 1211+39, G 198-B6A, LP 216-74, Gaia DR2 1532756940408129792, G198-B6A, WDS J12136+3902B, SDSS J121334.67+390057.5, SDSS J121334.68+390057.4, FBS 1211+393, EGGR 255, Pul -3 890259, Gaia DR3 1532756940408129792, SDSS J121334.68+390057.6, SDSS J121334.68+390057.5, FBS B 88, CBS 459, GALEX J121334.6+390057, ** LDS 4194B, WD 1211+391, WD 1211+392, Gaia EDR3 1532756940408129792
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | 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 13 34.55 (0.04) | 12 13 34.68 | 12 13 34.55 (0.06) | 12 13 34.55 | 12 13 34.73 (0.04) | 12 13 35.83 | 12 13 34.68 | |||||
| Declination | 39 00 58.12 (0.04) | 39 00 57.58 | 39 00 58.09 (0.04) | 39 00 58.12 | 39 00 57.28 (0.04) | 39 00 55.44 | 39 00 57.58 | |||||
| Spectral type | DA | DA | DA3 | DA3 | DA | DA | ||||||
| Effective temperature | [K] | 18970.0 (300) | 18514.0 (388) | 18743.0 (118) | ||||||||
| log(g) | [cgs] | 7.98 (0.05) | 7.86 (0.02) | 7.76 (0.02) | ||||||||
| Mass | [M☉] | 0.61 (0.03) | 0.543 (0.01) | 0.507 (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] | 7.00 (0.06) | 7.04 (0.07) | 7.00 | 7.00 (0.06) | |||||||
| Distance | [pc] | 142.86 (1) | 141.97 (1) | 135.00 | 142.86 | 142.86 (1) | ||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -130.9634623 (0.05) | -130.8006801 (0.1) | -130.963 (0.05) | ||||||||
| Proper motion (declination) | [mas/yr] | 52.62662172 (0.06) | 52.58870648 (0.08) | 52.627 (0.06) | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | 16.41 | |||||||||||
| V magnitude | 16.48 | |||||||||||
| R magnitude | 16.40 | |||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 16.39 (0.006) | 16.39 (0.006) | 16.41 (0.02) | |||||||||
| g magnitude | 16.29 (0.004) | 16.29 (0.004) | 16.30 (0.04) | |||||||||
| r magnitude | 16.66 (0.004) | 16.66 (0.004) | 16.67 (0.01) | |||||||||
| i magnitude | 16.93 (0.005) | 16.93 (0.005) | 16.94 (0.02) | |||||||||
| z magnitude | 17.25 (0.01) | 17.25 (0.01) | 17.24 (0.02) | |||||||||
| G magnitude | 16.50 (0.003) | 16.52 | 16.50 | 16.50 (0.003) | ||||||||
| BP magnitude | 16.43 (0.003) | 16.40 | ||||||||||
| RP magnitude | 16.68 (0.009) | 16.66 | ||||||||||
| Pan g magnitude | 16.36 (0.005) | |||||||||||
| Pan r magnitude | 16.67 (0.005) | |||||||||||
| Pan i magnitude | 16.99 (0.003) | |||||||||||
| Pan z magnitude | 17.24 (0.006) | |||||||||||
| Pan y magnitude | 17.39 (0.007) | |||||||||||
| E(B-V) | 0.006 | |||||||||||
* 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.