All names: GALEX J022827.1-324233, LP 941-91, MCT 0226-3255, Gaia EDR3 5063539946887524864, 2MASS J02282720-3242338, Gaia DR3 5063539946887524864, WDJ022827.20-324233.80, TIC 91529455, WD 0226-329, UCAC4 287-002478, Gaia DR2 5063539946887524864
| Parameter | Unit | Gaia EDR3 | Bergeron et al. 2021 | Gaia DR2 | Bedard et al. 2017 | Subasavage et al. 2017 | 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 | 02 28 27.12 (0.02) | 02 28 27.12 (0.02) | 02 28 27.20 | 02 28 27.12 | 02 28 27.20 (0.02) | 02 28 27.12 | 02 28 26.90 | ||||||
| Declination | -32 42 37.28 (0.02) | -32 42 37.17 (0.03) | -32 42 03.09 | -32 42 37.28 | -32 42 33.80 (0.02) | -32 42 37.17 | -32 42 25.92 | ||||||
| Spectral type | DA | DA | DA | DA | DA | DA2.1 | DA | ||||||
| Effective temperature | [K] | 22705.0 (551) | 22770.0 (361) | 22140.0 (1610) | 24240.0 (441) | 22294.0 (22) | 23809.0 (192) | ||||||
| log(g) | [cgs] | 8.15 (0.08) | 7.96 (0.05) | 7.97 (0.09) | 7.89 (0.06) | 7.88 (0.003) | 8.08 (0.007) | ||||||
| Mass | [M☉] | 0.72 (0.05) | 0.57 (0.09) | 0.61 (0.07) | 0.58 (0.03) | 0.676 (0.006) | |||||||
| log(Luminosity) | [L☉] | -1.41 (0.1) | |||||||||||
| Cooling age | [Gyr] | 0.0556 | 0.0400 (0.02) | ||||||||||
| 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] | 22.25 (0.03) | 22.25 (0.05) | 21.80 (1) | 22.25 | 22.25 (0.03) | 22.25 (0.05) | ||||||
| Distance | [pc] | 44.95 (0.06) | 44.00 | 44.95 (0.09) | 45.90 (3) | 45.87 (3) | 52.00 | 44.95 | 44.95 (0.06) | 44.95 (0.09) | |||
| Composition | H | H | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -69.88206307 (0.02) | -69.8539142 (0.04) | -69.882 (0.02) | -69.8539142 | ||||||||
| Proper motion (declination) | [mas/yr] | -217.8075416 (0.03) | -217.7460365 (0.09) | -217.808 (0.03) | -217.7460365 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 13.77 | 13.73 | 13.72 (0.01) | ||||||||||
| V magnitude | 13.86 | 13.84 (0.01) | |||||||||||
| R magnitude | 13.97 | 14.12 (0.1) | |||||||||||
| I magnitude | 14.08 | ||||||||||||
| J magnitude | 14.41 (0.03) | 14.41 (0.03) | |||||||||||
| H magnitude | 14.47 (0.05) | 14.47 (0.05) | |||||||||||
| K magnitude | 14.70 (0.09) | 14.70 (0.09) | |||||||||||
| u magnitude | |||||||||||||
| g magnitude | 13.69 (0.01) | ||||||||||||
| r magnitude | 14.07 (0.01) | ||||||||||||
| i magnitude | 14.36 (0.01) | ||||||||||||
| z magnitude | |||||||||||||
| G magnitude | 13.85 (0.0008) | 13.87 | 13.85 | 13.85 (0.003) | 13.87 | ||||||||
| BP magnitude | 13.75 (0.0008) | 13.70 | 13.70 | ||||||||||
| RP magnitude | 14.06 (0.0007) | 14.06 | 14.06 | ||||||||||
| Pan g magnitude | |||||||||||||
| Pan r magnitude | |||||||||||||
| Pan i magnitude | |||||||||||||
| Pan z magnitude | |||||||||||||
| Pan y magnitude | |||||||||||||
| E(B-V) | 0.000 | ||||||||||||
* 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.