All names: Gaia DR3 1401725214853525504, SDSS J154652.14+492215.9, [HHD2009] SDSS J1546+4922, Gaia DR2 1401725214853525504, TIC 159853559, 2MASS J15465203+4922160, SDSS J154652.15+492216.1, WD 1545+495, Gaia EDR3 1401725214853525504, SDSS J154652.14+492216.0, WIRED J154652.14+492216.0
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 46 52.16 (0.3) | 15 46 52.15 | 15 46 52.16 (0.4) | 15 46 52.14 | 15 46 52.15 (0.3) | 15 46 52.15 | 15 46 51.65 | 15 46 52.15 | |||
| Declination | 49 22 15.83 (0.3) | 49 22 15.94 | 49 22 15.84 (0.4) | 49 22 16.00 | 49 22 15.95 (0.3) | 49 22 15.96 | 49 22 11.64 | 49 22 16.06 | |||
| Spectral type | DA+M | DA+M | DA+M | DA dM | DA+M | ||||||
| Effective temperature | [K] | 20022.0 (1500) | 7198.0 (100) | 6459.0 (67) | |||||||
| log(g) | [cgs] | 7.63 (0.3) | 6.21 (0.3) | 7.14 (0.2) | |||||||
| Mass | [M☉] | 0.45 (0.1) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 0.86 (0.3) | 0.64 (0.5) | 0.86 (0.3) | |||||||
| Distance | [pc] | 1164.57 (424) | 1554.36 (1094) | 487.00 (181) | 1164.55 (424) | ||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 6.41828286 (0.4) | 6.938238065 (0.8) | 6.418 (0.3) | 7.7 | ||||||
| Proper motion (declination) | [mas/yr] | -6.961508153 (0.4) | -8.115763955 (0.9) | -6.962 (0.4) | -12.1 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | WDMS | WDMS | ||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | 16.82 (0.2) | ||||||||||
| H magnitude | 16.18 (0.2) | ||||||||||
| K magnitude | 15.51 (0.1) | ||||||||||
| u magnitude | 19.50 (0.03) | 19.46 | 19.50 (0.03) | 19.46 (0.03) | 19.46 | 19.50 (0.03) | |||||
| g magnitude | 19.32 (0.01) | 19.28 | 19.26 (0.01) | 19.28 (0.02) | 19.28 | 19.29 (0.02) | |||||
| r magnitude | 19.25 (0.01) | 19.29 | 19.25 (0.01) | 19.29 (0.02) | 19.29 | 19.28 (0.02) | |||||
| i magnitude | 18.71 (0.01) | 18.71 | 18.69 (0.01) | 18.71 (0.02) | 18.71 | 18.71 (0.02) | |||||
| z magnitude | 18.14 (0.03) | 18.15 | 18.12 (0.03) | 18.15 (0.03) | 18.15 | 18.16 (0.03) | |||||
| G magnitude | 19.06 (0.03) | 19.03 | 19.06 (0.007) | ||||||||
| BP magnitude | 19.34 (0.03) | 19.31 | |||||||||
| RP magnitude | 18.22 (0.02) | 18.20 | |||||||||
| Pan g magnitude | 19.33 (0.02) | ||||||||||
| Pan r magnitude | 19.26 (0.01) | ||||||||||
| Pan i magnitude | 18.68 (0.007) | ||||||||||
| Pan z magnitude | 18.26 (0.008) | ||||||||||
| Pan y magnitude | 18.00 (0.02) | ||||||||||
| E(B-V) | 0.019 | ||||||||||
* 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.