All names: Gaia EDR3 1518943638389520384, LP 266-55, NLTT 30751, LHS 2559, 1224+354, USNO-B1.0 1252-00197989, 2MASS J12263565+3513097, J1226+3513, SDSS J122635.34+351309.9, 12265+3513, PM J12265+3513, Gaia DR2 1518943638389520384, SDSS J122635.35+351309.9, PSO J186.6448+35.2194, Gaia DR3 1518943638389520384, LSPM J1226+3513, WDJ122635.58+351309.86, TIC 82346381, WD 1224+354
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | O'Brien et al. 2024 | Caron et al. 2023 | Kilic et al. 2020 | McCleery et al. 2020 | Blouin et al. 2019 | Leggett et al. 2018 | Gaia DR2 | Stilism | Limoges et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 26 34.71 (0.06) | 12 26 34.73 (0.1) | 12 26 34.73 (0.1) | 12 26 34.71 | 12 26 35.58 (0.06) | 12 26 34.73 | 12 26 38.52 | ||||||||||
| Declination | 35 13 09.88 (0.05) | 35 13 09.88 (0.06) | 35 13 09.88 (0.06) | 35 13 09.88 | 35 13 09.86 (0.05) | 35 13 09.88 | 35 13 12.00 | ||||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA9.8 | DA | DC: | DC9 | DC9 | ||||||
| Effective temperature | [K] | 5095.0 (13) | 5102.0 (39) | 5094.0 (18) | 5089.0 (20) | 5051.3 (35) | 5080.0 (35) | 5142.0 (84) | 5100.0 (56) | 5160.0 (26) | |||||||
| log(g) | [cgs] | 7.81 (0.009) | 7.79 (0.02) | 7.82 (0.01) | 7.81 (0.01) | 7.79 (0.02) | 7.80 (0.03) | 7.91 (0.04) | 8.00 (0) | 7.84 (0.01) | |||||||
| Mass | [M☉] | 0.473 (0.007) | 0.463 (0.007) | 0.477 (0.008) | 0.47 (0.009) | 0.464 (0.01) | 0.528 (0.04) | 0.58 (0.1) | 0.488 (0.01) | ||||||||
| log(Luminosity) | [L☉] | -4.01 | |||||||||||||||
| Cooling age | [Gyr] | 3.2000 | 3.1700 (0.2) | 3.8510 (0.6) | |||||||||||||
| 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] | 28.64 (0.09) | 28.64 (0.09) | 28.70 (0.1) | 28.70 (0.1) | 28.70 (0.1) | 29.87 (0.6) | 28.70 (0.1) | 28.64 | 28.64 (0.09) | 28.70 (0.1) | ||||||
| Distance | [pc] | 34.92 (0.1) | 34.92 (0.1) | 34.84 (0.1) | 34.84 (0.1) | 34.84 (0.1) | 33.48 (0.7) | 34.84 (0.1) | 31.20 (5) | 34.92 | 34.92 (0.1) | 34.84 (0.1) | |||||
| Composition | H | H | H | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -667.5878421 (0.06) | -667.9124453 (0.2) | -667.588 (0.06) | -667.9124453 | ||||||||||||
| Proper motion (declination) | [mas/yr] | 1.186513377 (0.08) | 1.143982642 (0.1) | 1.187 (0.08) | 1.143982642 | ||||||||||||
| Variability | |||||||||||||||||
| Magnetic | |||||||||||||||||
| Bd | [MG] | ||||||||||||||||
| Infrared excess (disk) | |||||||||||||||||
| Binarity | |||||||||||||||||
| B magnitude | 17.50 | ||||||||||||||||
| V magnitude | |||||||||||||||||
| R magnitude | 16.90 | ||||||||||||||||
| I magnitude | |||||||||||||||||
| J magnitude | 15.99 (0.01) | 15.86 (0.09) | 15.86 (0.09) | ||||||||||||||
| H magnitude | 16.10 (0.2) | 16.15 (0.2) | 16.15 (0.2) | ||||||||||||||
| K magnitude | |||||||||||||||||
| u magnitude | 19.39 (0.03) | 19.39 (0.03) | 19.39 (0.03) | ||||||||||||||
| g magnitude | 17.78 (0.009) | 17.85 (0.006) | |||||||||||||||
| r magnitude | 17.20 (0.0006) | 17.20 (0.005) | |||||||||||||||
| i magnitude | 16.95 (0.003) | 16.96 (0.005) | |||||||||||||||
| z magnitude | 16.86 (0.01) | 16.86 (0.01) | |||||||||||||||
| G magnitude | 17.22 (0.006) | 17.23 | 17.23 | 17.22 | 17.22 (0.003) | 17.23 | |||||||||||
| BP magnitude | 17.67 (0.006) | 17.70 | 17.70 | ||||||||||||||
| RP magnitude | 16.61 (0.005) | 16.63 | 16.63 | ||||||||||||||
| Pan g magnitude | 17.78 (0.009) | 17.78 (0.009) | 17.78 (0.009) | ||||||||||||||
| Pan r magnitude | 17.20 (0.0007) | 17.20 (0.0006) | 17.20 (0.001) | ||||||||||||||
| Pan i magnitude | 16.95 (0.003) | 16.95 (0.003) | 16.95 (0.003) | ||||||||||||||
| Pan z magnitude | 16.91 (0.02) | 16.91 (0.02) | 16.91 (0.02) | ||||||||||||||
| Pan y magnitude | 16.85 (0.007) | 16.85 (0.01) | 16.85 (0.01) | ||||||||||||||
| E(B-V) | 0.001 | ||||||||||||||||
* 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.