All names: WD 1533-057, WDJ153634.92-055240.02, Gaia DR3 4400264883189120256, BPS CS 30329-0075, PG 1533-057, Gaia DR2 4400264883189120256, GALEX J153634.9-055238, Gaia EDR3 4400264883189120256, 2MASS J15363491-0552398, TIC 46199750
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Ferrario et al. 2015 | Liebert et al. 2005 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 36 34.92 (0.03) | 15 36 34.92 (0.06) | 15 36 34.92 | 15 36 34.92 (0.03) | 15 36 34.92 | 15 36 34.25 | |||||
| Declination | -05 52 39.73 (0.03) | -05 52 39.74 (0.06) | -05 52 39.73 | -05 52 40.02 (0.03) | -05 52 39.74 | -05 52 33.96 | |||||
| Spectral type | DA | DB: | DAP3 | DAP3 | |||||||
| Effective temperature | [K] | 20000.0 (1040) | 20000.0 (1039) | 19955.0 (486) | |||||||
| log(g) | [cgs] | 8.50 (0.3) | 8.39 (0.02) | ||||||||
| Mass | [M☉] | 0.94 (0.2) | 0.94 (0.2) | 0.839 (0.02) | |||||||
| log(Luminosity) | [L☉] | -1.93 | |||||||||
| Cooling age | [Gyr] | 0.2455 | |||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 14.52 (0.04) | 14.50 (0.07) | 14.52 | 14.52 (0.04) | 14.50 (0.07) | |||||
| Distance | [pc] | 68.87 (0.2) | 68.96 (0.3) | 57.00 | 68.87 | 68.87 (0.2) | 68.96 (0.3) | ||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -3.440859541 (0.04) | -3.632619724 (0.1) | -3.441 (0.04) | -3.632619724 | ||||||
| Proper motion (declination) | [mas/yr] | 17.615568 (0.03) | 17.80854308 (0.1) | 17.616 (0.03) | 17.80854308 | ||||||
| Variability | |||||||||||
| Magnetic | yes | yes | |||||||||
| Bd | [MG] | 31 (3) | |||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 15.32 | ||||||||||
| V magnitude | 15.33 | 15.20 | |||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | 15.88 (0.01) | ||||||||||
| H magnitude | 15.95 (0.03) | ||||||||||
| K magnitude | 16.08 (0.06) | ||||||||||
| u magnitude | |||||||||||
| g magnitude | |||||||||||
| r magnitude | |||||||||||
| i magnitude | |||||||||||
| z magnitude | |||||||||||
| G magnitude | 15.44 (0.002) | 15.46 | 15.44 | 15.44 (0.003) | 15.46 | ||||||
| BP magnitude | 15.35 (0.002) | 15.30 | 15.30 | ||||||||
| RP magnitude | 15.61 (0.003) | 15.61 | 15.61 | ||||||||
| Pan g magnitude | 15.32 (0.001) | ||||||||||
| Pan r magnitude | 15.63 (0.004) | ||||||||||
| Pan i magnitude | 15.94 (0.005) | ||||||||||
| Pan z magnitude | 16.17 (0.003) | ||||||||||
| Pan y magnitude | 16.36 (0.007) | ||||||||||
| 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.