All names: Gaia DR2 6554999363696189056, USNO-B1.0 0545-00841576, TIC 218970233, GALEX J231535.0-352451, 2MASS J23153500-3524517, WDJ231534.99-352451.93, WD 2312-356, Gaia DR3 6554999363696189056, BPS CS 22888-0032, Gaia EDR3 6554999363696189056
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Koester et al. 2009 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 23 15 35.05 (0.03) | 23 15 35.04 (0.06) | 23 15 35.05 | 23 15 34.99 (0.03) | 23 15 35.04 | 23 15 34.25 | |||
| Declination | -35 24 51.74 (0.03) | -35 24 51.74 (0.05) | -35 24 51.74 | -35 24 51.93 (0.03) | -35 24 51.74 | -35 24 49.32 | |||
| Spectral type | DA | DA | DA | ||||||
| Effective temperature | [K] | 15122.0 (21) | 15589.0 (199) | ||||||
| log(g) | [cgs] | 7.82 (0.004) | 8.01 (0.01) | ||||||
| Mass | [M☉] | 0.62 (0.009) | |||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 14.41 (0.04) | 14.24 (0.07) | 14.41 | 14.41 (0.04) | 14.24 (0.07) | |||
| Distance | [pc] | 69.41 (0.2) | 70.21 (0.4) | 69.41 | 69.41 (0.2) | 70.21 (0.4) | |||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | 39.75329639 (0.03) | 39.94953447 (0.1) | 39.753 (0.03) | 39.94953447 | ||||
| Proper motion (declination) | [mas/yr] | 12.02587313 (0.03) | 12.16769838 (0.1) | 12.026 (0.03) | 12.16769838 | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 15.20 | 15.90 | |||||||
| V magnitude | 15.50 | ||||||||
| R magnitude | 15.60 | ||||||||
| I magnitude | |||||||||
| J magnitude | 15.77 (0.06) | ||||||||
| H magnitude | 15.65 (0.1) | ||||||||
| K magnitude | 15.77 (0.2) | ||||||||
| u magnitude | |||||||||
| g magnitude | |||||||||
| r magnitude | |||||||||
| i magnitude | |||||||||
| z magnitude | |||||||||
| G magnitude | 15.48 (0.002) | 15.49 | 15.48 | 15.48 (0.003) | 15.49 | ||||
| BP magnitude | 15.44 (0.002) | 15.44 | 15.44 | ||||||
| RP magnitude | 15.58 (0.003) | 15.59 | 15.59 | ||||||
| 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.