All names: WD 1214+69, LHS 5212, Gaia DR2 1683330453627242752, LP 39-76, SDSS J121701.66+684851.4, Gaia EDR3 1683330453627242752, EGGR 356, G 237-56, WDJ121701.84+684851.45, 2MASS J12170191+6848516, Gaia DR3 1683330453627242752, J1217+6848, SDSS J121701.67+684851.5, TIC 148893954, USNO-B1.0 1588-00115759, WD 1214+690, LSPM J1217+6848, NLTT 30226
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | O'Brien et al. 2024 | Caron et al. 2023 | McCleery et al. 2020 | Tremblay et al. 2020 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 17 00.59 (0.04) | 12 17 00.63 (0.05) | 12 17 00.63 (0.05) | 12 17 00.59 | 12 17 01.84 (0.04) | 12 17 00.63 | 12 17 03.72 | |||||||
| Declination | 68 48 51.39 (0.04) | 68 48 51.39 (0.05) | 68 48 51.39 (0.05) | 68 48 51.39 | 68 48 51.45 (0.04) | 68 48 51.39 | 68 48 50.40 | |||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DC8 | DC8 | ||||||
| Effective temperature | [K] | 6571.0 (26) | 6500.0 (68) | 6562.0 (28) | 6419.9 (40) | 6420.0 (40) | 6450.0 (34) | |||||||
| log(g) | [cgs] | 8.43 (0.006) | 8.40 (0.03) | 8.42 (0.006) | 8.38 (0.02) | 8.38 (0.02) | 8.39 (0.009) | |||||||
| Mass | [M☉] | 0.866 (0.005) | 0.849 (0.02) | 0.862 (0.006) | 0.838 (0.009) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 4.3400 | ||||||||||||
| 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] | 30.52 (0.05) | 30.52 (0.05) | 30.47 (0.05) | 30.47 (0.05) | 30.47 (0.05) | 30.52 | 30.52 (0.05) | 30.47 (0.05) | |||||
| Distance | [pc] | 32.76 (0.05) | 32.77 (0.05) | 32.82 (0.05) | 32.82 (0.06) | 32.82 (0.06) | 32.76 | 32.76 (0.05) | 32.82 (0.06) | |||||
| Composition | H | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -425.6747122 (0.05) | -425.6738112 (0.09) | -425.675 (0.06) | -425.6738112 | |||||||||
| Proper motion (declination) | [mas/yr] | -3.462250976 (0.06) | -3.452738521 (0.09) | -3.462 (0.06) | -3.452738521 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | 16.60 | |||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | 16.90 | |||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | 16.08 (0.1) | 16.08 (0.1) | ||||||||||||
| H magnitude | 15.92 (0.2) | 15.91 (0.2) | ||||||||||||
| K magnitude | ||||||||||||||
| u magnitude | 17.81 (0.03) | 17.81 (0.01) | 17.81 (0.01) | |||||||||||
| g magnitude | 17.15 (0.005) | 17.15 (0.005) | ||||||||||||
| r magnitude | 16.88 (0.005) | 16.88 (0.005) | ||||||||||||
| i magnitude | 16.80 (0.005) | 16.80 (0.005) | ||||||||||||
| z magnitude | 16.82 (0.01) | 16.82 (0.01) | ||||||||||||
| G magnitude | 16.88 (0.007) | 16.89 | 16.89 | 16.88 | 16.88 (0.003) | 16.89 | ||||||||
| BP magnitude | 17.12 (0.007) | 17.12 | 17.12 | |||||||||||
| RP magnitude | 16.48 (0.005) | 16.49 | 16.49 | |||||||||||
| Pan g magnitude | 17.13 (0.008) | 17.13 (0.008) | ||||||||||||
| Pan r magnitude | 16.89 (0.003) | 16.89 (0.003) | ||||||||||||
| Pan i magnitude | 16.83 (0.003) | 16.83 (0.003) | ||||||||||||
| Pan z magnitude | 16.82 (0.003) | 16.82 (0.003) | ||||||||||||
| Pan y magnitude | 16.88 (0.004) | 16.88 (0.004) | ||||||||||||
| E(B-V) | 0.002 | |||||||||||||
* 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.