All names: USNO-B1.0 0945-00593866, SDSS J234618.57+043555.18, PG 2343+043, GALEX J234618.5+043555, Gaia DR3 2743987814379562880, WD 2343+043, Gaia DR2 2743987814379562880, SDSSJ234618.57+043555.1, Gaia EDR3 2743987814379562880, PB 5529, SDSS J234618.57+043555.1
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | SDSS DR12 | Geier 2020 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 23 46 18.57 (0.07) | 23 46 18.57 | 23 46 18.57 | 23 46 18.57 | 23 46 18.57 (0.1) | 23 46 18.57 (0.07) | 23 46 16.42 | ||||
| Declination | 04 35 55.09 (0.04) | 04 35 55.13 | 04 35 55.13 | 04 35 55.10 | 04 35 55.09 (0.05) | 04 35 55.16 (0.04) | 04 36 16.20 | ||||
| Spectral type | sdB | sdB | sdB | DA | |||||||
| Effective temperature | [K] | 31778.0 (180) | |||||||||
| log(g) | [cgs] | 5.61 (0.03) | |||||||||
| Mass | [M☉] | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 0.33 (0.08) | 0.31 (0.1) | 0.31 (0.1) | 0.33 (0.08) | ||||||
| Distance | [pc] | 3015.69 (727) | 3213.37 (1104) | 3213.13 (1104) | 3015.68 (727) | ||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -1.950420259 (0.1) | -1.908 (0.2) | -1.90791722 (0.2) | -1.95 (0.1) | ||||||
| Proper motion (declination) | [mas/yr] | -4.60992503 (0.06) | -4.676 (0.1) | -4.67624567 (0.1) | -4.61 (0.06) | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 16.90 | ||||||||||
| V magnitude | |||||||||||
| R magnitude | 16.60 | ||||||||||
| I magnitude | |||||||||||
| J magnitude | 17.28 (0.03) | ||||||||||
| H magnitude | 17.29 (0.06) | ||||||||||
| K magnitude | 17.40 (0.1) | ||||||||||
| u magnitude | 16.23 (0.006) | 16.23 (0.006) | 16.23 (0.006) | 16.23 (0.01) | 16.23 (0.006) | ||||||
| g magnitude | 16.42 (0.004) | 16.41 (0.004) | 16.41 (0.004) | 16.45 (0.02) | 16.41 (0.004) | ||||||
| r magnitude | 16.84 (0.005) | 16.84 (0.005) | 16.84 (0.005) | 16.84 (0.01) | 16.84 (0.005) | ||||||
| i magnitude | 17.17 (0.006) | 17.18 (0.006) | 17.17 (0.006) | 17.16 (0.02) | 17.17 (0.006) | ||||||
| z magnitude | 17.46 (0.02) | 17.47 (0.02) | 17.46 (0.01) | 17.45 (0.02) | 17.46 (0.01) | ||||||
| G magnitude | 16.63 (0.005) | 16.66 (0.001) | 16.66 | 16.63 (0.003) | |||||||
| BP magnitude | 16.51 (0.005) | 16.46 (0.007) | 16.46 | ||||||||
| RP magnitude | 16.85 (0.007) | 16.86 (0.006) | 16.86 | ||||||||
| Pan g magnitude | 16.48 (0.006) | 16.48 (0.006) | |||||||||
| Pan r magnitude | 16.85 (0.006) | 16.85 (0.006) | |||||||||
| Pan i magnitude | 17.18 (0.003) | 17.18 (0.003) | |||||||||
| Pan z magnitude | 17.45 (0.005) | 17.45 (0.005) | |||||||||
| Pan y magnitude | 17.62 (0.01) | 17.62 (0.01) | |||||||||
| E(B-V) | 0.068 | ||||||||||
* 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.