All names: SDSS J224653.72-094834.5, GALEX J224653.7-094834, Gaia DR2 2608280729159380992, Gaia EDR3 2608280729159380992, WD 2244-100, EPIC 206197016, SDSS J224653.73-094834.5, PB 7199, Gaia DR3 2608280729159380992, SDSS J224653.72-094834.4
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | Gaia DR2 | Stilism | Tremblay et al. 2011 | Vincent et al. 2024 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 22 46 53.77 (0.07) | 22 46 53.73 | 22 46 53.77 (0.08) | 22 46 53.77 | 22 46 53.73 (0.07) | 22 46 53.73 | 22 46 53.50 | 22 46 53.73 | ||||||
| Declination | -09 48 34.92 (0.06) | -09 48 34.50 | -09 48 34.91 (0.07) | -09 48 34.92 | -09 48 34.49 (0.06) | -09 48 34.50 | -09 48 28.08 | -09 48 34.54 | ||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 92846.0 (3065) | 99860.0 (3940) | 299459.0 (83646) | 90000.0 (2732) | 87805.0 (2600) | ||||||||
| log(g) | [cgs] | 7.31 (0.09) | 7.26 (0.1) | 8.48 (0.09) | 7.17 (0.1) | 7.28 (0.09) | ||||||||
| Mass | [M☉] | 0.56 (0.03) | 0.59 (0.02) | 1.944 (0.2) | 0.553 (0.02) | |||||||||
| log(Luminosity) | [L☉] | 1.70 (0.1) | ||||||||||||
| Cooling age | [Gyr] | 0.0001 | 0.0001 | |||||||||||
| 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] | 1.90 (0.08) | 1.94 (0.09) | 1.90 | 1.90 (0.08) | |||||||||
| Distance | [pc] | 525.68 (22) | 515.15 (25) | 525.68 | 525.68 (22) | |||||||||
| Composition | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 43.32770861 (0.09) | 43.4355429 (0.2) | 43.328 (0.09) | 37.6 | |||||||||
| Proper motion (declination) | [mas/yr] | -27.35990259 (0.08) | -27.51497564 (0.1) | -27.36 (0.08) | -20.6 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | 16.00 | |||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | ||||||||||||||
| H magnitude | ||||||||||||||
| K magnitude | ||||||||||||||
| u magnitude | 15.70 (0.005) | 15.70 (0.005) | 15.73 (0.02) | 15.73 | 15.72 (0.02) | |||||||||
| g magnitude | 16.14 (0.004) | 16.14 (0.004) | 16.18 (0.01) | 16.17 | 16.17 (0.01) | |||||||||
| r magnitude | 16.67 (0.004) | 16.67 (0.004) | 16.70 (0.02) | 16.69 | 16.68 (0.02) | |||||||||
| i magnitude | 17.01 (0.006) | 17.01 (0.006) | 17.03 (0.01) | 17.01 | 17.02 (0.01) | |||||||||
| z magnitude | 17.33 (0.01) | 17.33 (0.01) | 17.36 (0.02) | 17.35 | 17.33 (0.02) | |||||||||
| G magnitude | 16.39 (0.009) | 16.42 | 16.39 | 16.39 (0.004) | ||||||||||
| BP magnitude | 16.23 (0.009) | 16.19 | ||||||||||||
| RP magnitude | 16.73 (0.009) | 16.72 | ||||||||||||
| Pan g magnitude | 16.20 (0.01) | |||||||||||||
| Pan r magnitude | 16.66 (0.008) | |||||||||||||
| Pan i magnitude | 17.04 (0.005) | |||||||||||||
| Pan z magnitude | 17.31 (0.01) | |||||||||||||
| Pan y magnitude | 17.55 (0.01) | |||||||||||||
| E(B-V) | 0.049 | |||||||||||||
* 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.