All names: Gaia DR3 1601964256710345344, Gaia DR2 1601964256708890880, SDSS J153409.48+571835.5, Gaia EDR3 1601964256710345344, SDSS J153409.49+571835.4, WD 1532+574, GALEX J153409.5+571835, SDSS J153409.50+571835.5, SDSS J153409.51+571835.6
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 34 09.49 (0.2) | 15 34 09.50 | 15 34 09.49 (0.2) | 15 34 09.49 | 15 34 09.51 (0.2) | 15 34 09.49 | 15 34 08.95 | 15 34 09.51 | ||||
| Declination | 57 18 35.78 (0.2) | 57 18 35.43 | 57 18 35.77 (0.3) | 57 18 35.78 | 57 18 35.58 (0.2) | 57 18 35.51 | 57 18 32.40 | 57 18 35.58 | ||||
| Spectral type | DA | DA | DA_auto | DA | DA | DA | ||||||
| Effective temperature | [K] | 16842.0 (1456) | 19588.0 (502) | 19913.0 (488) | ||||||||
| log(g) | [cgs] | 7.83 (0.1) | 7.74 (0.1) | 7.80 (0.1) | ||||||||
| Mass | [M☉] | 0.523 (0.09) | 0.527 (0.05) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | |||||||||||
| log(H/He) | ||||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| log(Ca/H) | ||||||||||||
| Parallax | [mas] | 2.26 (0.2) | 1.80 (0.3) | 2.26 | 2.26 (0.2) | |||||||
| Distance | [pc] | 441.67 (37) | 554.83 (85) | 441.67 | 441.68 (37) | |||||||
| Composition | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -5.294247285 (0.2) | -5.580300616 (0.5) | -5.294 (0.2) | -8.9 | |||||||
| Proper motion (declination) | [mas/yr] | 12.60929842 (0.3) | 13.47679611 (0.5) | 12.609 (0.3) | 11.7 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 18.94 (0.02) | 18.94 (0.02) | 18.98 (0.03) | 18.98 | 18.98 (0.03) | |||||||
| g magnitude | 18.90 (0.009) | 18.90 (0.009) | 18.91 (0.02) | 18.90 | 18.93 (0.02) | |||||||
| r magnitude | 19.28 (0.01) | 19.28 (0.01) | 19.33 (0.04) | 19.33 | 19.33 (0.03) | |||||||
| i magnitude | 19.57 (0.02) | 19.57 (0.02) | 19.60 (0.03) | 19.60 | 19.61 (0.03) | |||||||
| z magnitude | 19.81 (0.09) | 19.80 (0.09) | 19.81 (0.08) | 19.81 | 19.82 (0.08) | |||||||
| G magnitude | 19.12 (0.02) | 19.15 | 19.12 | 19.12 (0.004) | ||||||||
| BP magnitude | 19.14 (0.02) | 19.05 | ||||||||||
| RP magnitude | 19.31 (0.03) | 19.38 | ||||||||||
| Pan g magnitude | 18.94 (0.01) | |||||||||||
| Pan r magnitude | 19.27 (0.008) | |||||||||||
| Pan i magnitude | 19.58 (0.02) | |||||||||||
| Pan z magnitude | 19.83 (0.02) | |||||||||||
| Pan y magnitude | 19.89 (0.09) | |||||||||||
| E(B-V) | 0.020 | |||||||||||
* 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.