All names: Gaia DR2 3877871477014130048, G 48-57, Gaia DR3 3877871477014130048, J0958+0846, ULAS J095817.09+084653.2, Gaia EDR3 3877871477014130048, NLTT 23067, WD 0955+090, SDSS J095817.14+084653.2, G48-57, LSPM J0958+0846, GALEX J095817.1+084654, USNO-B1.0 0987-00198506, LTT 12665, WD 0955+09
| Parameter | Unit | Gaia EDR3 | Caron et al. 2023 | Stilism | Bergeron et al. 1997 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 58 16.98 (0.1) | 09 58 16.98 | 09 58 17.18 (0.1) | 09 58 18.10 | ||||
| Declination | 08 46 52.39 (0.1) | 08 46 52.39 | 08 46 53.46 (0.1) | 08 46 56.64 | ||||
| Spectral type | DA | DA | DC | DC8 | ||||
| Effective temperature | [K] | 6879.0 (26) | 6950.0 (180) | 6845.0 (70) | ||||
| log(g) | [cgs] | 8.09 (0.01) | 8.00 (0) | 8.06 (0.02) | ||||
| Mass | [M☉] | 0.646 (0.009) | 0.59 | 0.629 (0.02) | ||||
| log(Luminosity) | [L☉] | -3.47 | ||||||
| Cooling age | [Gyr] | 1.8800 | 1.6300 | |||||
| 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] | 16.83 (0.1) | 16.83 (0.1) | 16.83 | 16.83 (0.1) | |||
| Distance | [pc] | 59.42 (0.4) | 59.42 (0.4) | 59.42 | 59.42 (0.4) | |||
| Composition | H | H | ||||||
| Proper motion (right ascension) | [mas/yr] | -184.4994978 (0.2) | -184.499 (0.2) | |||||
| Proper motion (declination) | [mas/yr] | -66.66684039 (0.1) | -66.667 (0.1) | |||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | 17.99 | 17.40 | ||||||
| V magnitude | 17.61 | 17.02 | ||||||
| R magnitude | 17.38 | 17.20 | ||||||
| I magnitude | 17.12 | |||||||
| J magnitude | 16.79 (0.03) | 16.79 | 16.82 (0.01) | |||||
| H magnitude | 16.64 (0.03) | 16.64 | 16.65 (0.03) | |||||
| K magnitude | 16.61 (0.03) | 16.61 | 16.47 (0.04) | |||||
| u magnitude | 18.31 (0.02) | 18.31 (0.02) | ||||||
| g magnitude | 17.68 (0.02) | |||||||
| r magnitude | 17.50 (0.01) | |||||||
| i magnitude | 17.43 (0.02) | |||||||
| z magnitude | 17.47 (0.02) | |||||||
| G magnitude | 17.48 (0.008) | 17.48 | 17.48 (0.003) | |||||
| BP magnitude | 17.69 (0.008) | |||||||
| RP magnitude | 17.12 (0.009) | |||||||
| Pan g magnitude | 17.68 (0.004) | |||||||
| Pan r magnitude | 17.49 (0.004) | |||||||
| Pan i magnitude | 17.46 (0.004) | |||||||
| Pan z magnitude | 17.49 (0.003) | |||||||
| Pan y magnitude | 17.51 (0.006) | |||||||
| 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.