All names: GALEX J102444.1-302101, Gaia DR2 5461296765091298048, RE J102446-302124, 2EUVE J1024-30.3, [BTR99] J102444.2-302059, USNO-B1.0 0596-00246505, RE J1024-302, Gaia DR3 5461296765091298048, RX J1024.7-3021, Gaia EDR3 5461296765091298048, WD 1022-301, WDJ102444.18-302100.43, 2RE J1024-302, 1RXS J102444.5-302102, RE J1024-30, 2RE J102445-302051, EUVE J1024-30.3
| Parameter | Unit | Gaia EDR3 | 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 | 10 24 44.14 (0.03) | 10 24 44.14 (0.04) | 10 24 44.14 | 10 24 44.18 (0.03) | 10 24 44.14 | 10 24 45.84 | |||
| Declination | -30 21 00.79 (0.04) | -30 21 00.78 (0.05) | -30 21 00.79 | -30 21 00.43 (0.04) | -30 21 00.78 | -30 21 20.88 | |||
| Spectral type | DA | DA | DA1.4 | DA | |||||
| Effective temperature | [K] | 35880.0 (658) | 36443.0 (1146) | ||||||
| log(g) | [cgs] | 9.11 (0.08) | 9.01 (0.02) | ||||||
| Mass | [M☉] | 1.26 (0.04) | 1.212 (0.009) | ||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| 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] | 11.10 (0.05) | 11.00 (0.08) | 11.10 | 11.10 (0.05) | 11.00 (0.08) | |||
| Distance | [pc] | 90.11 (0.4) | 90.91 (0.6) | 66.00 | 90.11 | 90.11 (0.4) | 90.91 (0.6) | ||
| Composition | H | ||||||||
| Proper motion (right ascension) | [mas/yr] | -30.09052502 (0.03) | -30.35366789 (0.1) | -30.091 (0.04) | -30.35366789 | ||||
| Proper motion (declination) | [mas/yr] | -22.78572501 (0.05) | -22.71352426 (0.1) | -22.786 (0.05) | -22.71352426 | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | yes | ||||||||
| B magnitude | 16.70 | ||||||||
| V magnitude | 15.80 | ||||||||
| R magnitude | 16.30 | ||||||||
| I magnitude | |||||||||
| J magnitude | |||||||||
| H magnitude | |||||||||
| K magnitude | |||||||||
| u magnitude | |||||||||
| g magnitude | |||||||||
| r magnitude | |||||||||
| i magnitude | |||||||||
| z magnitude | |||||||||
| G magnitude | 16.20 (0.002) | 16.22 | 16.20 | 16.20 (0.003) | 16.22 | ||||
| BP magnitude | 16.06 (0.002) | 16.00 | 16.00 | ||||||
| RP magnitude | 16.50 (0.003) | 16.51 | 16.51 | ||||||
| Pan g magnitude | |||||||||
| Pan r magnitude | |||||||||
| Pan i magnitude | |||||||||
| Pan z magnitude | |||||||||
| Pan y magnitude | |||||||||
| 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.