All names: 1RXS J235259.6-385155, WDJ235300.87-385146.66, Gaia EDR3 2307289214897332480, MCT 2350-3908, HE 2350-3908, AAVSO 2347-39, V* BW Scl, WDJ23530.87-385146.65, RX J2353.0-3852, 2MASS J23530086-3851465, Gaia DR3 2307289214897332480, TIC 183676876, AAVSO 2348-39, Gaia DR2 2307289214897332480
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|
| Right ascension | 23 53 00.99 (0.04) | 23 53 00.98 | 23 53 00.99 | 23 53 00.87 (0.04) | 23 53 00.98 | ||
| Declination | -38 51 47.67 (0.04) | -38 51 47.64 | -38 51 47.67 | -38 51 46.66 (0.04) | -38 51 47.64 | ||
| Spectral type | DQ | D | |||||
| Effective temperature | [K] | 8903.0 (83) | |||||
| log(g) | [cgs] | 6.96 (0.02) | |||||
| Mass | [M☉] | 0.185 (0.005) | |||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | 10.68 (0.05) | 10.60 (0.1) | 10.68 | 10.68 (0.05) | 10.60 (0.1) | |
| Distance | [pc] | 93.64 (0.5) | 94.38 (0.8) | 93.64 | 93.65 (0.5) | 94.38 (0.8) | |
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | 81.03618475 (0.04) | 81.22893393 (0.1) | 81.036 (0.04) | 81.22893393 | ||
| Proper motion (declination) | [mas/yr] | -63.10868734 (0.05) | -63.29532251 (0.1) | -63.109 (0.05) | -63.29532251 | ||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | 16.70 | ||||||
| V magnitude | |||||||
| R magnitude | |||||||
| I magnitude | |||||||
| J magnitude | 15.84 (0.08) | ||||||
| H magnitude | 15.49 (0.1) | ||||||
| K magnitude | 14.94 (0.1) | ||||||
| u magnitude | |||||||
| g magnitude | |||||||
| r magnitude | |||||||
| i magnitude | |||||||
| z magnitude | |||||||
| G magnitude | 16.26 (0.01) | 16.26 | 16.26 | 16.26 (0.004) | 16.26 | ||
| BP magnitude | 16.30 (0.01) | 16.26 | 16.26 | ||||
| RP magnitude | 16.13 (0.01) | 16.10 | 16.10 | ||||
| Pan g magnitude | |||||||
| Pan r magnitude | |||||||
| Pan i magnitude | |||||||
| Pan z magnitude | |||||||
| Pan y magnitude | |||||||
| 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.