All names: LSPM J2241+1332, Gaia DR3 2731866347221858432, PSO J340.4903+13.5425, SDSS J224157.63+133238.8, GALEX J224157.7+133237, TIC 379693727, LP 520-54, PM J22419+1332, USNO-B1.0 1035-00618570, WDJ224157.63+133239.12, SDSS J224157.62+133238.8, 2MASS J22415762+1332390, NLTT 54604, Gaia EDR3 2731866347221858432, J2241+1332, 22419+1332, WD 2239+132, Gaia DR2 2731866347221858432
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | 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 | MWDD H | Gaia DR2 | Stilism | Limoges et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 22 41 57.70 (0.09) | 22 41 57.63 | 22 41 57.69 (0.1) | 22 41 57.69 (0.1) | 22 41 57.70 | 22 41 57.63 (0.09) | 22 41 57.69 | 22 41 57.36 | |||||||||||
| Declination | 13 32 32.81 (0.08) | 13 32 38.84 | 13 32 33.01 (0.1) | 13 32 33.01 (0.1) | 13 32 32.81 | 13 32 39.12 (0.08) | 13 32 33.01 | 13 32 36.96 | |||||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA | DA | DA | DA | DA8.4 | CV | |||||||
| Effective temperature | [K] | 5990.0 (18) | 5986.0 (78) | 5989.0 (17) | 5992.0 (22) | 5953.6 (66) | 5920.0 (50) | 5904.0 | 6050.0 (73) | 6123.0 (51) | |||||||||
| log(g) | [cgs] | 8.26 (0.007) | 8.25 (0.04) | 8.26 (0.008) | 8.26 (0.008) | 8.25 (0.04) | 8.24 (0.02) | 8.23 | 8.00 (0) | 8.31 (0.02) | |||||||||
| Mass | [M☉] | 0.751 (0.007) | 0.746 (0.03) | 0.751 (0.007) | 0.752 (0.008) | 0.738 (0.01) | 0.73 | 0.59 (0.1) | 0.785 (0.01) | ||||||||||
| log(Luminosity) | [L☉] | -3.71 | |||||||||||||||||
| Cooling age | [Gyr] | 4.3100 | 4.1110 (0.2) | 4.0590 | |||||||||||||||
| 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] | 28.02 (0.1) | 28.02 (0.1) | 28.06 (0.2) | 28.06 (0.2) | 28.06 (0.2) | 28.06 (0.2) | 28.02 | 28.02 (0.1) | 28.06 (0.2) | |||||||||
| Distance | [pc] | 35.69 (0.1) | 35.69 (0.1) | 35.64 (0.2) | 35.64 (0.2) | 35.64 (0.2) | 35.64 (0.2) | 42.30 (7) | 35.69 | 35.69 (0.1) | 35.64 (0.2) | ||||||||
| Composition | H | H | H | H | H | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | 63.30831999 (0.1) | 63.33271072 (0.2) | 63.308 (0.1) | 63.33271072 | ||||||||||||||
| Proper motion (declination) | [mas/yr] | -394.2019762 (0.1) | -394.2338201 (0.2) | -394.202 (0.1) | -394.2338201 | ||||||||||||||
| Variability | |||||||||||||||||||
| Magnetic | |||||||||||||||||||
| Bd | [MG] | ||||||||||||||||||
| Infrared excess (disk) | |||||||||||||||||||
| Binarity | |||||||||||||||||||
| B magnitude | 17.90 | ||||||||||||||||||
| V magnitude | |||||||||||||||||||
| R magnitude | 16.90 | ||||||||||||||||||
| I magnitude | |||||||||||||||||||
| J magnitude | 16.20 (0.01) | 16.17 (0.1) | 16.17 (0.1) | ||||||||||||||||
| H magnitude | |||||||||||||||||||
| K magnitude | |||||||||||||||||||
| u magnitude | 18.43 (0.02) | 18.43 (0.02) | 18.43 (0.02) | 18.41 (0.01) | 18.18 | ||||||||||||||
| g magnitude | 17.53 (0.005) | 17.50 (0.009) | 17.53 (0.005) | 17.36 | |||||||||||||||
| r magnitude | 17.15 (0.005) | 17.17 (0.005) | 17.15 (0.005) | 17.01 | |||||||||||||||
| i magnitude | 17.00 (0.006) | 17.03 (0.004) | 17.00 (0.005) | 16.91 | |||||||||||||||
| z magnitude | 16.97 (0.01) | 17.02 (0.003) | 16.96 (0.01) | 16.89 | |||||||||||||||
| G magnitude | 17.16 (0.008) | 17.18 | 17.18 | 17.16 | 17.16 (0.003) | 17.18 | |||||||||||||
| BP magnitude | 17.46 (0.008) | 17.48 | 17.48 | ||||||||||||||||
| RP magnitude | 16.70 (0.009) | 16.71 | 16.71 | ||||||||||||||||
| Pan g magnitude | 17.50 (0.007) | 17.52 (0.005) | 17.50 (0.009) | ||||||||||||||||
| Pan r magnitude | 17.17 (0.006) | 17.16 (0.01) | 17.17 (0.005) | ||||||||||||||||
| Pan i magnitude | 17.03 (0.004) | 17.03 (0.003) | 17.03 (0.004) | ||||||||||||||||
| Pan z magnitude | 17.02 (0.003) | 17.01 (0.003) | 17.02 (0.003) | ||||||||||||||||
| Pan y magnitude | 17.00 (0.01) | 17.02 (0.01) | 17.00 (0.009) | ||||||||||||||||
| 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.