All names: Gaia DR3 1898875311527105152, SDSS J221506.85+315837.6, LP 343-34, J2215+3158, Gaia EDR3 1898875311527105152, WD 2213+317, TIC 239642390, SDSS J221506.86+315837.6, WISE J221506.84+315837.8, 2MASS J22150696+3158402, Gaia DR2 1898875311527105152, WISEA J221506.83+315837.5, WDJ221506.90+315839.13, USNO-B1.0 1219-00604008, LSPM J2215+3158
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 22 15 06.83 (0.04) | 22 15 06.83 (0.06) | 22 15 06.83 | 22 15 06.90 (0.04) | 22 15 06.83 | 22 15 15.29 | |||||||||
| Declination | 31 58 36.78 (0.05) | 31 58 36.86 (0.07) | 31 58 36.78 | 31 58 39.13 (0.05) | 31 58 36.86 | 31 57 57.24 | |||||||||
| Spectral type | DA | DA | DA | DA | DA | DA6.8 | DA | ||||||||
| Effective temperature | [K] | 7215.0 (36) | 7221.0 (30) | 7215.0 (36) | 7260.0 | 6990.0 | 7440.0 (119) | 7267.0 (50) | |||||||
| log(g) | [cgs] | 8.09 (0.009) | 8.09 (0.01) | 8.09 (0.01) | 8.10 | 7.99 | 8.30 (0.1) | 8.10 (0.01) | |||||||
| Mass | [M☉] | 0.646 (0.008) | 0.646 (0.008) | 0.648 (0.009) | 0.656 | 0.57 | 0.79 (0.07) | 0.651 (0.01) | |||||||
| log(Luminosity) | [L☉] | ||||||||||||||
| Cooling age | [Gyr] | 1.6600 | 1.5860 | 1.5380 | |||||||||||
| 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] | 19.66 (0.06) | 19.70 (0.1) | 19.70 (0.1) | 19.66 | 19.66 (0.06) | 19.70 (0.1) | ||||||||
| Distance | [pc] | 50.86 (0.2) | 50.76 (0.3) | 50.75 (0.3) | 44.00 | 50.86 | 50.86 (0.2) | 50.75 (0.3) | |||||||
| Composition | H | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -52.19467072 (0.05) | -52.069 (0.2) | -52.195 (0.05) | -52.06888822 | ||||||||||
| Proper motion (declination) | [mas/yr] | -146.6434649 (0.06) | -146.877 (0.2) | -146.643 (0.06) | -146.8769303 | ||||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | yes | ||||||||||||||
| B magnitude | 17.50 | ||||||||||||||
| V magnitude | 17.00 | ||||||||||||||
| R magnitude | 16.80 | ||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | 16.34 (0.01) | 16.33 (0.1) | |||||||||||||
| H magnitude | 16.05 (0.2) | 16.05 (0.2) | |||||||||||||
| K magnitude | 15.71 (0.3) | 15.71 (0.3) | |||||||||||||
| u magnitude | 17.65 (0.01) | 17.66 (0.01) | 17.66 (0.01) | ||||||||||||
| g magnitude | 17.13 (0.004) | 17.13 (0.004) | |||||||||||||
| r magnitude | 16.97 (0.004) | 16.97 (0.004) | |||||||||||||
| i magnitude | 16.95 (0.005) | 16.95 (0.005) | |||||||||||||
| z magnitude | 17.02 (0.01) | 17.02 (0.01) | |||||||||||||
| G magnitude | 16.96 (0.003) | 16.97 | 16.96 | 16.96 (0.003) | 16.97 | ||||||||||
| BP magnitude | 17.14 (0.003) | 17.14 | 17.14 | ||||||||||||
| RP magnitude | 16.66 (0.004) | 16.65 | 16.65 | ||||||||||||
| Pan g magnitude | 17.14 (0.004) | 17.14 (0.004) | |||||||||||||
| Pan r magnitude | 17.00 (0.003) | 17.00 (0.003) | |||||||||||||
| Pan i magnitude | 16.99 (0.003) | 16.99 (0.004) | |||||||||||||
| Pan z magnitude | 17.04 (0.004) | 17.04 (0.005) | |||||||||||||
| Pan y magnitude | 17.10 (0.01) | 17.10 (0.01) | |||||||||||||
| E(B-V) | 0.004 | ||||||||||||||
* 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.