All names: USNO-B1.0 0398-00789565, GALEX J225102.0-501132, BPM 28016, WD 2248-50, TIC 161291020, Gaia DR2 6514042654346344704, Gaia DR3 6514042654346344704, 2MASS J22510205-5011314, NLTT 55007, Gaia EDR3 6514042654346344704, L 285-14, WD 2248-504, WDJ225102.06-501131.62
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Koester et al. 2009 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 22 51 02.32 (0.02) | 22 51 02.32 (0.04) | 22 51 02.32 | 22 51 02.06 (0.02) | 22 51 02.32 | 22 50 58.15 | ||||
| Declination | -50 11 33.13 (0.02) | -50 11 33.08 (0.05) | -50 11 33.13 | -50 11 31.62 (0.02) | -50 11 33.08 | -50 10 04.44 | ||||
| Spectral type | DA | DA | DA3.0 | DA6 | ||||||
| Effective temperature | [K] | 16540.0 (252) | 16336.0 (37) | 15092.0 (119) | ||||||
| log(g) | [cgs] | 7.95 (0.05) | 7.74 (0.007) | 7.86 (0.007) | ||||||
| Mass | [M☉] | 0.59 (0.03) | 0.538 (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] | 15.94 (0.03) | 15.99 (0.08) | 15.94 | 15.94 (0.03) | 15.99 (0.08) | ||||
| Distance | [pc] | 62.73 (0.1) | 62.52 (0.3) | 61.00 | 62.73 | 62.73 (0.1) | 62.52 (0.3) | |||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 160.1597301 (0.02) | 160.0200825 (0.07) | 160.16 (0.02) | 160.0200825 | |||||
| Proper motion (declination) | [mas/yr] | -93.96964016 (0.02) | -94.09857614 (0.1) | -93.97 (0.02) | -94.09857614 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 15.07 | |||||||||
| V magnitude | 14.96 | 14.96 | ||||||||
| R magnitude | 15.30 | |||||||||
| I magnitude | ||||||||||
| J magnitude | 15.48 (0.06) | |||||||||
| H magnitude | 15.50 (0.1) | |||||||||
| K magnitude | 15.31 (0.2) | |||||||||
| u magnitude | ||||||||||
| g magnitude | ||||||||||
| r magnitude | ||||||||||
| i magnitude | ||||||||||
| z magnitude | ||||||||||
| G magnitude | 15.09 (0.002) | 15.10 | 15.09 | 15.09 (0.003) | 15.10 | |||||
| BP magnitude | 15.04 (0.002) | 15.03 | 15.03 | |||||||
| RP magnitude | 15.20 (0.001) | 15.21 | 15.21 | |||||||
| Pan g magnitude | ||||||||||
| Pan r magnitude | ||||||||||
| Pan i magnitude | ||||||||||
| Pan z magnitude | ||||||||||
| Pan y magnitude | ||||||||||
| 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.