All names: SDSS J100521.04+535408.4, Gaia DR3 852433880203843712, LSPM J1005+5354, WD 1002+541, SDSS J100521.07+535408.5, SDSS J100521.06+535408.3, SDSS J100521.06+535408.4, NLTT 23327, SDSS J100521.05+535408.4, WIRED J100521.05+535408.4, SDSS J100521.05+535408.3, J1005+5354, WDJ100521.10+535408.73, LP 127-95, Gaia EDR3 852433880203843712, GALEX J100521.0+535406, USNO-B1.0 1439-00203932, Gaia DR2 852433880203843712
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | MWDD H | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 05 20.83 (0.06) | 10 05 21.06 | 10 05 20.84 (0.08) | 10 05 20.83 | 10 05 21.10 (0.06) | 10 05 20.84 | 10 05 20.47 | 10 05 21.06 | ||||||||
| Declination | 53 54 05.20 (0.06) | 53 54 08.34 | 53 54 05.31 (0.1) | 53 54 05.20 | 53 54 08.73 (0.06) | 53 54 05.31 | 53 54 06.12 | 53 54 08.41 | ||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA7.4 | DA | DA | |||||||
| Effective temperature | [K] | 6929.0 (36) | 6815.0 (31) | 6930.0 (36) | 6929.0 | 6957.0 (71) | 6725.0 (41) | |||||||||
| log(g) | [cgs] | 8.40 (0.009) | 8.38 (0.01) | 8.41 (0.01) | 8.41 | 8.40 (0.02) | 8.08 (0.08) | |||||||||
| Mass | [M☉] | 0.847 (0.008) | 0.834 (0.01) | 0.854 (0.01) | 0.854 | 0.848 (0.01) | 0.638 (0.05) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||||||
| Cooling age | [Gyr] | 3.7200 | 3.5320 | |||||||||||||
| 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] | 17.74 (0.09) | 17.90 (0.1) | 17.90 (0.1) | 17.74 | 17.74 (0.09) | 17.90 (0.1) | |||||||||
| Distance | [pc] | 56.38 (0.3) | 55.87 (0.4) | 55.88 (0.4) | 56.38 | 56.38 (0.3) | 55.88 (0.4) | |||||||||
| Composition | H | H | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | -147.4439866 (0.08) | -147.3745494 (0.2) | -147.444 (0.08) | -147.3745494 | |||||||||||
| Proper motion (declination) | [mas/yr] | -220.5659124 (0.09) | -220.4763188 (0.2) | -220.566 (0.09) | -220.4763188 | |||||||||||
| Variability | ||||||||||||||||
| Magnetic | ||||||||||||||||
| Bd | [MG] | |||||||||||||||
| Infrared excess (disk) | ||||||||||||||||
| Binarity | ||||||||||||||||
| B magnitude | 18.00 | |||||||||||||||
| V magnitude | ||||||||||||||||
| R magnitude | 17.80 | |||||||||||||||
| I magnitude | ||||||||||||||||
| J magnitude | ||||||||||||||||
| H magnitude | ||||||||||||||||
| K magnitude | ||||||||||||||||
| u magnitude | 18.61 (0.02) | 18.66 (0.02) | 18.61 (0.02) | 18.63 (0.02) | 18.52 | 18.58 (0.03) | ||||||||||
| g magnitude | 18.08 (0.006) | 18.08 (0.006) | 18.03 (0.009) | 18.02 | 18.08 (0.02) | |||||||||||
| r magnitude | 17.83 (0.006) | 17.83 (0.006) | 17.83 (0.008) | 17.78 | 17.82 (0.02) | |||||||||||
| i magnitude | 17.77 (0.007) | 17.77 (0.007) | 17.76 (0.009) | 17.73 | 17.77 (0.02) | |||||||||||
| z magnitude | 17.79 (0.02) | 17.79 (0.02) | 17.89 (0.03) | 17.75 | 17.77 (0.03) | |||||||||||
| G magnitude | 17.82 (0.01) | 17.84 | 17.82 | 17.82 (0.003) | 17.84 | |||||||||||
| BP magnitude | 18.01 (0.01) | 17.99 | 17.99 | |||||||||||||
| RP magnitude | 17.47 (0.01) | 17.45 | 17.45 | |||||||||||||
| Pan g magnitude | 18.01 (0.004) | 18.01 (0.005) | ||||||||||||||
| Pan r magnitude | 17.83 (0.005) | 17.83 (0.005) | ||||||||||||||
| Pan i magnitude | 17.79 (0.003) | 17.79 (0.004) | ||||||||||||||
| Pan z magnitude | 17.83 (0.004) | 17.83 (0.004) | ||||||||||||||
| Pan y magnitude | 17.89 (0.01) | 17.89 (0.01) | ||||||||||||||
| 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.