All names: Gaia DR3 147985404582267648, 2MASS J04365946+2535476, SDSS J043659.47+253547.5, TIC 125837716, LAMOST J043659.36+253546.5, Gaia DR2 147985404582267648, WDJ043659.47+253547.49, SDSS J043659.46+253547.3, Gaia EDR3 147985404582267648
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Guo et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 04 36 59.50 (0.05) | 04 36 59.46 | 04 36 59.50 (0.08) | 04 36 59.50 | 04 36 59.47 (0.05) | 04 36 59.50 | 04 36 59.47 | |||||||
| Declination | 25 35 46.77 (0.03) | 25 35 47.39 | 25 35 46.79 (0.05) | 25 35 46.77 | 25 35 47.49 (0.03) | 25 35 46.79 | 25 35 47.53 | |||||||
| Spectral type | DA | DA | DA | DA | DA | |||||||||
| Effective temperature | [K] | 22147.0 | 27981.0 | 24732.0 (149) | 24745.0 (447) | 24938.0 (123) | ||||||||
| log(g) | [cgs] | 8.30 | 8.48 | 8.45 (0.02) | 8.38 (0.02) | 8.33 (0.02) | ||||||||
| Mass | [M☉] | 0.807 | 0.907 | 0.91 (0.01) | 0.865 (0.01) | 0.817 (0.01) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 0.0939 | 0.0613 | |||||||||||
| log(H/He) | ||||||||||||||
| log(C/He) | ||||||||||||||
| log(Ca/He) | ||||||||||||||
| log(Ca/H) | ||||||||||||||
| Parallax | [mas] | 11.29 (0.06) | 11.52 (0.09) | 11.29 | 11.29 (0.06) | 11.52 (0.09) | ||||||||
| Distance | [pc] | 88.60 (0.4) | 86.80 (0.7) | 88.60 | 88.60 (0.4) | 86.80 (0.7) | ||||||||
| Composition | ||||||||||||||
| Proper motion (right ascension) | [mas/yr] | 30.57232366 (0.07) | 30.29995214 (0.2) | 30.572 (0.07) | 30.29995214 | |||||||||
| Proper motion (declination) | [mas/yr] | -45.02108613 (0.05) | -44.97704054 (0.1) | -45.021 (0.05) | -44.97704054 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | ||||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | 16.10 (0.1) | |||||||||||||
| H magnitude | ||||||||||||||
| K magnitude | ||||||||||||||
| u magnitude | 15.44 (0.005) | 15.44 (0.005) | 15.44 (0.005) | (0) | ||||||||||
| g magnitude | 15.53 (0.004) | 15.53 (0.004) | 15.53 (0.004) | |||||||||||
| r magnitude | 15.94 (0.005) | 15.94 (0.005) | 15.94 (0.005) | (0) | ||||||||||
| i magnitude | 16.26 (0.005) | 16.26 (0.005) | 16.26 (0.005) | (0) | ||||||||||
| z magnitude | 16.56 (0.009) | 16.56 (0.009) | 16.56 (0.009) | (0) | ||||||||||
| G magnitude | 15.75 (0.002) | 15.76 | 15.75 | 15.75 (0.003) | 15.76 | |||||||||
| BP magnitude | 15.64 (0.002) | 15.61 | 15.61 | |||||||||||
| RP magnitude | 15.97 (0.004) | 15.96 | 15.96 | |||||||||||
| Pan g magnitude | 15.60 (0.005) | |||||||||||||
| Pan r magnitude | 15.95 (0.001) | |||||||||||||
| Pan i magnitude | 16.28 (0.006) | |||||||||||||
| Pan z magnitude | 16.55 (0.005) | |||||||||||||
| Pan y magnitude | 16.76 (0.005) | |||||||||||||
| E(B-V) | 0.005 | |||||||||||||
* 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.