All names: 2MASS J15251790+3629456, WISEA J152517.90+362944.6, SDSS J152517.89+362945.2, Gaia EDR3 1387249908051518336, WD 1523+366, TIC 233487520, Gaia DR2 1387249908051518336, Gaia DR3 1387249908051518336, SDSS J152517.90+362945.3, WISE J152517.91+362944.7
| 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 25 17.91 (0.06) | 15 25 17.90 | 15 25 17.91 (0.1) | 15 25 17.89 | 15 25 17.91 (0.06) | 15 25 17.18 | 15 25 17.90 | |||
| Declination | 36 29 44.18 (0.08) | 36 29 45.23 | 36 29 44.22 (0.1) | 36 29 45.20 | 36 29 45.60 (0.08) | 36 29 42.72 | 36 29 45.30 | |||
| Spectral type | DA+M | M4 | DA5.1 M | DA+M | ||||||
| Effective temperature | [K] | 9844.0 (96) | 6300.0 (3) | |||||||
| log(g) | [cgs] | 7.94 (0.1) | 5.00 (0.003) | |||||||
| Mass | [M☉] | 0.56 (0.09) | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 5.63 (0.09) | 5.57 (0.2) | 5.63 (0.09) | ||||||
| Distance | [pc] | 177.67 (3) | 179.59 (5) | 212.00 (8) | 177.67 (3) | |||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 2.627933946 (0.07) | 2.563899518 (0.2) | 2.628 (0.07) | ||||||
| Proper motion (declination) | [mas/yr] | -88.99650454 (0.1) | -86.41491212 (0.3) | -88.997 (0.1) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | WDMS | ||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 13.65 (0.03) | |||||||||
| H magnitude | 13.04 (0.02) | |||||||||
| K magnitude | 12.76 (0.03) | |||||||||
| u magnitude | 18.46 (0.02) | 18.47 | 18.46 (0.01) | 18.47 | 18.48 (0.03) | |||||
| g magnitude | 17.56 (0.005) | 17.75 | 17.56 (0.005) | 17.75 | 17.75 (0.02) | |||||
| r magnitude | 16.83 (0.005) | 17.05 | 16.83 (0.005) | 17.05 | 17.05 (0.02) | |||||
| i magnitude | 15.75 (0.005) | 15.79 | 15.75 (0.005) | 15.78 | 15.78 (0.01) | |||||
| z magnitude | 15.04 (0.005) | 15.04 | 15.04 (0.005) | 15.04 | 15.04 (0.02) | |||||
| G magnitude | 16.52 (0.01) | 16.49 | 16.52 (0.004) | |||||||
| BP magnitude | 17.37 (0.01) | 17.29 | ||||||||
| RP magnitude | 15.24 (0.002) | 15.26 | ||||||||
| Pan g magnitude | 17.58 (0.02) | |||||||||
| Pan r magnitude | 16.96 (0.02) | |||||||||
| Pan i magnitude | 15.75 (0.003) | |||||||||
| Pan z magnitude | 15.15 (0.002) | |||||||||
| Pan y magnitude | 14.88 (0.004) | |||||||||
| E(B-V) | 0.021 | |||||||||
* 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.