All names: Gaia DR3 2382502441666663168, Gaia DR2 2382502441666663168, UCAC4 318-244234, WDJ230202.99-263048.08, WD 2259-267, Ton S 81, MCT 2259-2646, 2MASS J23020299-2630480, Gaia EDR3 2382502441666663168, GALEX J230203.0-263048, EC 22593-2646
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Bergeron et al. 2021 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 23 02 03.10 (0.04) | 23 02 03.09 (0.06) | 23 02 03.10 | 23 02 02.99 (0.04) | 23 02 03.09 | 23 02 02.35 | |||||
| Declination | -26 30 47.95 (0.04) | -26 30 47.96 (0.08) | -26 30 47.95 | -26 30 48.08 (0.04) | -26 30 47.96 | -26 30 45.00 | |||||
| Spectral type | DA | DA | DA | DA2.5 | DA | ||||||
| Effective temperature | [K] | 19616.0 (529) | 20050.0 (314) | 19780.0 (229) | |||||||
| log(g) | [cgs] | 7.82 (0.08) | 8.03 (0.05) | 8.01 (0.01) | |||||||
| Mass | [M☉] | 0.527 (0.04) | 0.64 (0.03) | 0.626 (0.008) | |||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.0465 | |||||||||
| 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] | 13.49 (0.04) | 13.26 (0.07) | 13.49 | 13.49 (0.04) | 13.26 (0.07) | |||||
| Distance | [pc] | 74.11 (0.2) | 74.00 | 75.41 (0.4) | 75.00 | 74.11 | 74.11 (0.2) | 75.41 (0.4) | |||
| Composition | H | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 91.442549 (0.05) | 91.30245127 (0.2) | 91.443 (0.05) | 91.30245127 | ||||||
| Proper motion (declination) | [mas/yr] | 7.880652545 (0.05) | 7.888465916 (0.1) | 7.881 (0.05) | 7.888465916 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 15.09 (0.04) | ||||||||||
| V magnitude | 15.08 (0.05) | ||||||||||
| R magnitude | 15.43 (0.1) | ||||||||||
| I magnitude | |||||||||||
| J magnitude | 15.52 (0.06) | ||||||||||
| H magnitude | 15.75 (0.2) | ||||||||||
| K magnitude | |||||||||||
| u magnitude | |||||||||||
| g magnitude | 15.01 (0.08) | ||||||||||
| r magnitude | 15.22 (0.01) | ||||||||||
| i magnitude | |||||||||||
| z magnitude | |||||||||||
| G magnitude | 15.16 (0.001) | 15.19 | 15.16 | 15.16 (0.003) | 15.19 | ||||||
| BP magnitude | 15.08 (0.001) | 15.06 | 15.06 | ||||||||
| RP magnitude | 15.35 (0.002) | 15.35 | 15.35 | ||||||||
| Pan g magnitude | 15.03 (0.002) | ||||||||||
| Pan r magnitude | 15.37 (0.007) | ||||||||||
| Pan i magnitude | 15.67 (0.003) | ||||||||||
| Pan z magnitude | 15.94 (0.002) | ||||||||||
| Pan y magnitude | 16.08 (0.008) | ||||||||||
| 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.