All names: WD 1025+274, SDSS J102750.05+271244.1, SDSS J102750.05+271244.2, TIC 165289025, WIRED J102750.05+271244.1, Gaia DR2 728652471760843136, GALEX J102750.0+271244, Gaia DR3 728652471760843136, Gaia EDR3 728652471760843136, 2MASS J10275006+2712441
| 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 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 27 50.03 (0.06) | 10 27 50.05 | 10 27 50.03 (0.08) | 10 27 50.05 | 10 27 50.06 (0.06) | 10 27 49.46 | 10 27 50.05 | ||||
| Declination | 27 12 44.02 (0.06) | 27 12 44.14 | 27 12 44.02 (0.1) | 27 12 44.10 | 27 12 44.12 (0.06) | 27 12 40.32 | 27 12 44.16 | ||||
| Spectral type | DA+M | DA+M | DA2.2 M | DA+M | DA | ||||||
| Effective temperature | [K] | 23076.0 (382) | 7600.0 (28) | ||||||||
| log(g) | [cgs] | 8.04 (0.06) | 5.49 (0.06) | ||||||||
| Mass | [M☉] | 0.65 (0.03) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 4.07 (0.07) | 4.01 (0.09) | 4.07 (0.07) | |||||||
| Distance | [pc] | 245.97 (4) | 249.62 (6) | 245.97 (4) | |||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -30.72861349 (0.07) | -30.5492521 (0.2) | -30.729 (0.07) | |||||||
| Proper motion (declination) | [mas/yr] | -6.252090296 (0.07) | -6.371950487 (0.2) | -6.252 (0.07) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | WDMS | |||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | 14.32 (0.02) | ||||||||||
| H magnitude | 13.70 (0.03) | ||||||||||
| K magnitude | 13.41 (0.03) | ||||||||||
| u magnitude | 17.41 (0.009) | 17.39 | 17.41 (0.009) | 17.38 | 17.40 (0.02) | ||||||
| g magnitude | 17.26 (0.005) | 17.26 | 17.25 (0.005) | 17.26 | 17.26 (0.02) | ||||||
| r magnitude | 17.17 (0.005) | 17.16 | 17.17 (0.005) | 17.15 | 17.16 (0.01) | ||||||
| i magnitude | 16.35 (0.005) | 16.35 | 16.34 (0.005) | 16.34 | 16.34 (0.01) | ||||||
| z magnitude | 15.68 (0.007) | 15.74 | 15.72 (0.007) | 15.73 | 15.74 (0.02) | ||||||
| G magnitude | 16.69 (0.007) | 16.70 | 16.69 (0.003) | ||||||||
| BP magnitude | 17.24 (0.007) | 17.24 | |||||||||
| RP magnitude | 15.84 (0.003) | 15.86 | |||||||||
| Pan g magnitude | 17.25 (0.005) | ||||||||||
| Pan r magnitude | 17.13 (0.004) | ||||||||||
| Pan i magnitude | 16.34 (0.003) | ||||||||||
| Pan z magnitude | 15.80 (0.003) | ||||||||||
| Pan y magnitude | 15.52 (0.004) | ||||||||||
| E(B-V) | 0.018 | ||||||||||
* 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.