All names: SDSS J152640.24+502301.7, WIRED J152640.25+502301.8, Gaia EDR3 1594776366946570368, SDSS J152640.26+502301.8, Gaia DR3 1594776366946570368, Gaia DR2 1594776366946570368, SDSS J152640.26+502302.1, SDSS J152640.25+502301.8, [HHD2009] SDSS J1526+5023, WD 1525+505
| 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 26 40.25 (0.2) | 15 26 40.25 | 15 26 40.25 (0.2) | 15 26 40.25 | 15 26 40.26 (0.2) | 15 26 40.26 | 15 26 40.44 | 15 26 40.26 | |||
| Declination | 50 23 01.61 (0.2) | 50 23 01.74 | 50 23 01.62 (0.2) | 50 23 01.79 | 50 23 01.78 (0.2) | 50 23 01.82 | 50 22 59.88 | 50 23 01.82 | |||
| Spectral type | DA+M | DA+M | WD:+M | WD: d | WD:M | ||||||
| Effective temperature | [K] | 36154.0 (4150) | 6300.0 (1) | 6300.0 (3) | |||||||
| log(g) | [cgs] | 7.60 (0.5) | 8.77 (0.2) | 10.00 (0.004) | |||||||
| Mass | [M☉] | 0.49 (0.2) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 0.70 (0.2) | 0.61 (0.2) | 0.70 (0.2) | |||||||
| Distance | [pc] | 1431.48 (397) | 1634.09 (623) | 416.00 (27) | 1431.43 (397) | ||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -3.869368666 (0.2) | -3.583398078 (0.4) | -3.869 (0.2) | -1.2 | ||||||
| Proper motion (declination) | [mas/yr] | -10.80629449 (0.2) | -10.65685866 (0.4) | -10.806 (0.2) | -16.6 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | WDMS | |||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 20.19 (0.05) | 20.12 | 20.14 (0.05) | 20.12 (0.05) | 20.13 | 20.14 (0.05) | |||||
| g magnitude | 19.76 (0.01) | 19.75 | 19.74 (0.01) | 19.75 (0.02) | 19.75 | 19.74 (0.02) | |||||
| r magnitude | 19.05 (0.01) | 19.04 | 19.03 (0.01) | 19.04 (0.02) | 19.04 | 19.04 (0.02) | |||||
| i magnitude | 18.48 (0.01) | 18.48 | 18.45 (0.01) | 18.48 (0.03) | 18.48 | 18.48 (0.03) | |||||
| z magnitude | 18.15 (0.02) | 18.14 | 18.12 (0.03) | 18.14 (0.03) | 18.14 | 18.14 (0.03) | |||||
| G magnitude | 18.94 (0.03) | 18.97 | 18.94 (0.004) | ||||||||
| BP magnitude | 19.52 (0.03) | 19.48 | |||||||||
| RP magnitude | 18.13 (0.02) | 18.09 | |||||||||
| Pan g magnitude | 19.72 (0.01) | ||||||||||
| Pan r magnitude | 19.04 (0.01) | ||||||||||
| Pan i magnitude | 18.48 (0.004) | ||||||||||
| Pan z magnitude | 18.19 (0.01) | ||||||||||
| Pan y magnitude | 18.04 (0.02) | ||||||||||
| 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.