All names: [VV2000] J235545.6-015822, PB 5603, SDSS J235546.35-015817.7, [VV98] J235545.6-015822, ZYCJ 2353-022B, Gaia DR2 2449291760099609856, GALEX J235546.3-015817, [VV2006] J235546.3-015816, [VV2003] J235545.6-015822, [VV2010] J235546.3-015816, SDSS J235546.34-015817.6, Gaia EDR3 2449291760099609856, QSO B2353-022B, USNO-B1.0 0880-00798057, SDSS J235546.35-015817.72, SDSS J235546.35-015817.6, Gaia DR3 2449291760099609856, [VV96] J235545.6-015822
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 23 55 46.37 (0.2) | 23 55 46.35 | 23 55 46.37 (0.3) | 23 55 46.35 (0.2) | |||||
| Declination | -01 58 17.76 (0.1) | -01 58 17.66 | -01 58 17.75 (0.2) | -01 58 17.56 (0.1) | |||||
| Spectral type | DA | DA | DA | ||||||
| Effective temperature | [K] | 25150.0 (231) | |||||||
| log(g) | [cgs] | 8.10 (0.03) | |||||||
| Mass | [M☉] | 0.685 (0.02) | |||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 2.40 (0.2) | 2.33 (0.3) | 2.40 (0.2) | |||||
| Distance | [pc] | 416.72 (41) | 430.04 (64) | 416.72 (41) | |||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | 26.01265682 (0.3) | 24.76598619 (0.6) | 26.013 (0.3) | |||||
| Proper motion (declination) | [mas/yr] | -12.34972154 (0.2) | -12.71588721 (0.3) | -12.35 (0.2) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 18.00 | ||||||||
| V magnitude | 18.50 | ||||||||
| R magnitude | 19.50 | ||||||||
| I magnitude | |||||||||
| J magnitude | |||||||||
| H magnitude | |||||||||
| K magnitude | |||||||||
| u magnitude | 18.57 (0.02) | 18.57 (0.02) | 18.57 (0.02) | ||||||
| g magnitude | 18.65 (0.009) | 18.68 (0.02) | 18.65 (0.009) | ||||||
| r magnitude | 18.98 (0.01) | 18.98 (0.02) | 18.98 (0.01) | ||||||
| i magnitude | 19.25 (0.02) | 19.26 (0.02) | 19.25 (0.02) | ||||||
| z magnitude | 19.45 (0.06) | 19.45 (0.06) | 19.45 (0.06) | ||||||
| G magnitude | 18.81 (0.02) | 18.86 | 18.81 (0.003) | ||||||
| BP magnitude | 18.79 (0.02) | 18.71 | |||||||
| RP magnitude | 19.16 (0.05) | 18.90 | |||||||
| Pan g magnitude | 18.66 (0.004) | ||||||||
| Pan r magnitude | 19.01 (0.01) | ||||||||
| Pan i magnitude | 19.31 (0.007) | ||||||||
| Pan z magnitude | 19.49 (0.02) | ||||||||
| Pan y magnitude | 19.70 (0.02) | ||||||||
| E(B-V) | 0.025 | ||||||||
* 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.