All names: SDSS J102515.39+174937.6, Gaia DR2 3890521706183660160, [SGR2010] J1025+1749, SDSS J102515.38+174937.6, WISEA J102515.38+174937.1, 2MASS J10251535+1749379, Gaia EDR3 3890521706183660160, SDSS J102515.38+174937.5, WISE J102515.39+174937.0, WD 1022+180, TIC 70711757
| 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 | 10 25 15.38 (0.7) | 10 25 15.38 | 10 25 15.38 (1) | 10 25 15.39 | 10 25 15.38 | 10 25 15.55 | 10 25 15.39 | |||
| Declination | 17 49 37.32 (0.6) | 17 49 37.57 | 17 49 37.32 (0.9) | 17 49 37.63 | 17 49 37.57 | 17 49 32.52 | 17 49 37.64 | |||
| Spectral type | DA+M | DA+M4 | DA2.2+M4 | DA+M | ||||||
| Effective temperature | [K] | 22550.0 (646) | 7371.0 (39) | |||||||
| log(g) | [cgs] | 7.82 (0.1) | 5.04 (0.06) | |||||||
| Mass | [M☉] | 0.53 (0.05) | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 3.13 (0.8) | ||||||||
| Distance | [pc] | 319.33 (82) | 868.00 (57) | |||||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -31.21548331 (0.8) | ||||||||
| Proper motion (declination) | [mas/yr] | 0.618839082 (0.7) | ||||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | yes | WDMS | |||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 16.75 (0.1) | |||||||||
| H magnitude | 15.90 (0.2) | |||||||||
| K magnitude | 16.26 (0.3) | |||||||||
| u magnitude | 19.86 (0.04) | 19.94 | 19.86 (0.04) | 19.88 | 19.94 (0.04) | |||||
| g magnitude | 19.66 (0.01) | 19.70 | 19.66 (0.01) | 19.66 | 19.70 (0.03) | |||||
| r magnitude | 19.68 (0.02) | 19.75 | 19.68 (0.02) | 19.68 | 19.75 (0.02) | |||||
| i magnitude | 18.79 (0.01) | 18.87 | 18.79 (0.01) | 18.79 | 18.87 (0.03) | |||||
| z magnitude | 18.10 (0.02) | 18.16 | 18.10 (0.02) | 18.10 | 18.16 (0.03) | |||||
| G magnitude | 19.77 (0.06) | 19.65 | ||||||||
| BP magnitude | 19.76 (0.06) | 19.55 | ||||||||
| RP magnitude | 18.32 (0.03) | 18.24 | ||||||||
| Pan g magnitude | 19.72 (0.009) | |||||||||
| Pan r magnitude | 19.73 (0.01) | |||||||||
| Pan i magnitude | 18.86 (0.009) | |||||||||
| Pan z magnitude | 18.23 (0.02) | |||||||||
| Pan y magnitude | 17.94 (0.02) | |||||||||
| E(B-V) | 0.023 | |||||||||
* 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.