All names: WD 2354-305, Gaia EDR3 2326837707005769216, Gaia DR3 2326837707005769216, MCT 2354-3033, GALEX J235636.8-301625, USNO-B1.0 0597-00961689, Gaia DR2 2326837707005769216
| Parameter | Unit | Gaia EDR3 | Bergeron et al. 2021 | Gaia DR2 | Stilism | Voss et al. 2007 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 23 56 36.89 (0.07) | 23 56 36.90 (0.08) | 23 56 36.89 | 23 56 37.02 (0.07) | 23 56 36.58 | ||||
| Declination | -30 16 26.07 (0.05) | -30 16 26.04 (0.05) | -30 16 26.07 | -30 16 25.05 (0.05) | -30 16 17.76 | ||||
| Spectral type | DB | DB | DB | DB | |||||
| Effective temperature | [K] | 24952.0 (2645) | 18006.0 | 18831.0 (775) | |||||
| log(g) | [cgs] | 7.98 (0.08) | 7.88 | 7.98 (0.04) | |||||
| Mass | [M☉] | 0.596 (0.04) | 0.53 | 0.583 (0.03) | |||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | 0.0207 | |||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| log(N/He) | |||||||||
| log(O/He) | |||||||||
| log(Na/He) | |||||||||
| log(Mg/He) | |||||||||
| log(Al/He) | |||||||||
| log(Si/He) | |||||||||
| log(P/He) | |||||||||
| log(S/He) | |||||||||
| log(Cl/He) | |||||||||
| log(Sc/He) | |||||||||
| log(Ti/He) | |||||||||
| log(V/He) | |||||||||
| log(Cr/He) | |||||||||
| log(Mn/He) | |||||||||
| log(Fe/He) | |||||||||
| log(Co/He) | |||||||||
| log(Ni/He) | |||||||||
| log(Cu/He) | |||||||||
| log(Zn/He) | |||||||||
| log(Ga/He) | |||||||||
| log(Ge/He) | |||||||||
| log(Sr/He) | |||||||||
| Parallax | [mas] | 6.38 (0.07) | 6.40 (0.09) | 6.38 | 6.38 (0.07) | ||||
| Distance | [pc] | 156.77 (2) | 156.00 | 156.37 (2) | 156.77 | 156.77 (2) | |||
| Composition | He | ||||||||
| Proper motion (right ascension) | [mas/yr] | -103.5410237 (0.09) | -103.6055209 (0.2) | -103.541 (0.09) | |||||
| Proper motion (declination) | [mas/yr] | -64.06888087 (0.06) | -64.00210114 (0.1) | -64.069 (0.06) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 16.26 | 17.00 | |||||||
| V magnitude | |||||||||
| R magnitude | 16.80 | ||||||||
| I magnitude | |||||||||
| J magnitude | |||||||||
| H magnitude | |||||||||
| K magnitude | |||||||||
| u magnitude | |||||||||
| g magnitude | |||||||||
| r magnitude | |||||||||
| i magnitude | |||||||||
| z magnitude | |||||||||
| G magnitude | 16.71 (0.004) | 16.73 | 16.71 | 16.71 (0.003) | |||||
| BP magnitude | 16.63 (0.004) | 16.59 | |||||||
| RP magnitude | 16.85 (0.01) | 16.84 | |||||||
| 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.