All names: RE J2207+25, 2RE J2207+252, RE J220745+252028, RE J2207+252, 2MASS J22074500+2520223, TIC 26691554, Gaia DR3 1891571049622412032, Gaia DR2 1891571049622412032, 2EUVE J2207+25.3, 2RE J220745+252017, Gaia EDR3 1891571049622412032, WD 2205+250, WDJ220745.01+252022.04, 1RXS J220745.8+252023, RX J2207.7+2520, EUVE J2207+25.3, UCAC4 577-125925
| 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 | 22 07 45.11 (0.02) | 22 07 45.11 (0.03) | 22 07 45.11 | 22 07 45.01 (0.02) | 22 07 45.11 | 22 07 45.84 | ||||
| Declination | 25 20 21.62 (0.03) | 25 20 21.63 (0.05) | 25 20 21.62 | 25 20 22.05 (0.03) | 25 20 21.63 | 25 20 24.00 | ||||
| Spectral type | DA | DA | DA1.9 | DA2 | ||||||
| Effective temperature | [K] | 27210.0 (399) | 26272.0 (214) | |||||||
| log(g) | [cgs] | 8.39 (0.05) | 8.36 (0.008) | |||||||
| Mass | [M☉] | 0.87 (0.03) | 0.852 (0.006) | |||||||
| 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] | 17.28 (0.04) | 17.37 (0.05) | 17.28 | 17.28 (0.04) | 17.37 (0.05) | ||||
| Distance | [pc] | 57.88 (0.1) | 57.58 (0.2) | 54.00 | 57.88 | 57.88 (0.1) | 57.58 (0.2) | |||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 87.68446379 (0.04) | 87.61062475 (0.09) | 87.684 (0.04) | 87.61062475 | |||||
| Proper motion (declination) | [mas/yr] | -26.86668216 (0.04) | -26.5377925 (0.09) | -26.867 (0.04) | -26.5377925 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | 14.40 | |||||||||
| R magnitude | 14.88 (0.3) | |||||||||
| I magnitude | ||||||||||
| J magnitude | 14.99 (0.1) | |||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | ||||||||||
| g magnitude | ||||||||||
| r magnitude | ||||||||||
| i magnitude | ||||||||||
| z magnitude | ||||||||||
| G magnitude | 14.64 (0.001) | 14.66 | 14.64 | 14.64 (0.003) | 14.66 | |||||
| BP magnitude | 14.53 (0.001) | 14.50 | 14.50 | |||||||
| RP magnitude | 14.89 (0.001) | 14.89 | 14.89 | |||||||
| Pan g magnitude | 14.49 (0.007) | |||||||||
| Pan r magnitude | 14.88 (0.002) | |||||||||
| Pan i magnitude | 15.16 (0.005) | |||||||||
| Pan z magnitude | 15.50 (0.0008) | |||||||||
| Pan y magnitude | 15.44 (0.05) | |||||||||
| 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.