All names: WIRED J154136.48+271635.5, SDSS J154136.48+271635.5, Gaia DR2 1224076713133223296, WD 1539+274, Gaia EDR3 1224076713133223296, TIC 255858827, 2MASS J15413648+2716351, Gaia DR3 1224076713133223296
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 41 36.47 (0.06) | 15 41 36.48 | 15 41 36.47 (0.08) | 15 41 36.48 | 15 41 36.48 (0.06) | 15 41 36.41 | 15 41 36.48 | |||
| Declination | 27 16 35.80 (0.09) | 27 16 35.53 | 27 16 35.79 (0.1) | 27 16 35.51 | 27 16 35.47 (0.09) | 27 16 33.24 | 27 16 35.52 | |||
| Spectral type | DA+M | DA+M | DA4.7 M | DA+M | ||||||
| Effective temperature | [K] | 10670.0 (259) | 6300.0 (2) | |||||||
| log(g) | [cgs] | 8.21 (0.2) | 5.05 (0.07) | |||||||
| Mass | [M☉] | 0.73 (0.1) | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 3.67 (0.1) | 3.69 (0.1) | 3.67 (0.1) | ||||||
| Distance | [pc] | 272.74 (9) | 271.05 (11) | 613.00 (90) | 272.74 (9) | |||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -11.75210534 (0.08) | -11.76312298 (0.2) | -11.752 (0.08) | ||||||
| Proper motion (declination) | [mas/yr] | 20.47920475 (0.1) | 20.65655769 (0.3) | 20.479 (0.1) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | WDMS | ||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 15.54 (0.004) | |||||||||
| H magnitude | 14.98 (0.1) | |||||||||
| K magnitude | 14.67 (0.1) | |||||||||
| u magnitude | 19.78 (0.03) | 19.78 | 19.78 (0.03) | 19.78 | 19.77 (0.03) | |||||
| g magnitude | 19.10 (0.01) | 19.09 | 19.10 (0.01) | 19.09 | 19.11 (0.02) | |||||
| r magnitude | 18.69 (0.009) | 18.69 | 18.70 (0.009) | 18.69 | 18.70 (0.02) | |||||
| i magnitude | 17.70 (0.007) | 17.67 | 17.70 (0.007) | 17.67 | 17.68 (0.02) | |||||
| z magnitude | 16.97 (0.01) | 16.95 | 16.98 (0.01) | 16.95 | 16.96 (0.02) | |||||
| G magnitude | 18.20 (0.02) | 18.22 | 18.20 (0.003) | |||||||
| BP magnitude | 19.03 (0.02) | 19.01 | ||||||||
| RP magnitude | 17.20 (0.006) | 17.22 | ||||||||
| Pan g magnitude | 19.06 (0.004) | |||||||||
| Pan r magnitude | 18.68 (0.008) | |||||||||
| Pan i magnitude | 17.71 (0.004) | |||||||||
| Pan z magnitude | 17.13 (0.008) | |||||||||
| Pan y magnitude | 16.83 (0.01) | |||||||||
| E(B-V) | 0.033 | |||||||||
* 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.