All names: WD 2307+63, G 241-46, Gaia DR3 2207821208303871744, WD 2307+636, GCRV 21713, Gaia DR2 2207821208303871744, WDJ231003.76+635757.64, NLTT 56034, 2MASS J23100377+6357577, TIC 268518697, G241-46, USNO-B1.0 1539-00306271, LSPM J2310+6357, EGGR 284, Gaia EDR3 2207821208303871744
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | 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 10 03.89 (0.02) | 23 10 03.89 (0.03) | 23 10 03.89 | 23 10 03.76 (0.02) | 23 10 03.89 | 23 10 02.78 | ||||
| Declination | 63 57 51.59 (0.02) | 63 57 51.78 (0.03) | 63 57 51.59 | 63 57 57.64 (0.02) | 63 57 51.78 | 63 58 05.16 | ||||
| Spectral type | DA | DA | DA2.7 | DA2 | ||||||
| Effective temperature | [K] | 18800.0 (297) | 18102.0 (154) | |||||||
| log(g) | [cgs] | 7.87 (0.05) | 7.88 (0.007) | |||||||
| Mass | [M☉] | 0.55 (0.03) | 0.556 (0.005) | |||||||
| 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] | 21.26 (0.02) | 21.29 (0.03) | 21.26 | 21.26 (0.02) | 21.29 (0.03) | ||||
| Distance | [pc] | 47.04 (0.05) | 46.98 (0.07) | 55.00 | 47.04 | 47.04 (0.05) | 46.98 (0.07) | |||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 52.34224957 (0.03) | 52.25168778 (0.05) | 52.342 (0.03) | 52.25168778 | |||||
| Proper motion (declination) | [mas/yr] | -378.1082004 (0.02) | -378.0343237 (0.05) | -378.108 (0.02) | -378.0343237 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 13.90 | |||||||||
| V magnitude | ||||||||||
| R magnitude | 14.30 | |||||||||
| I magnitude | ||||||||||
| J magnitude | 14.63 (0.05) | |||||||||
| H magnitude | 14.74 (0.08) | |||||||||
| K magnitude | 14.75 (0.1) | |||||||||
| u magnitude | ||||||||||
| g magnitude | ||||||||||
| r magnitude | ||||||||||
| i magnitude | ||||||||||
| z magnitude | ||||||||||
| G magnitude | 14.17 (0.0005) | 14.19 | 14.17 | 14.17 (0.003) | 14.19 | |||||
| BP magnitude | 14.09 (0.001) | 14.07 | 14.07 | |||||||
| RP magnitude | 14.31 (0.002) | 14.31 | 14.31 | |||||||
| Pan g magnitude | 14.06 (0.003) | |||||||||
| Pan r magnitude | 14.34 (0.0005) | |||||||||
| Pan i magnitude | 14.65 (0.002) | |||||||||
| Pan z magnitude | 14.90 (0.004) | |||||||||
| Pan y magnitude | 15.06 (0.005) | |||||||||
| E(B-V) | 0.003 | |||||||||
* 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.