All names: Gaia DR2 725792096556385664, PG 1025+244, Ton 516, Gaia EDR3 725792096556385664, 2MASS J10275114+2409170, PG1025+244, SDSS J102751.14+240916.9, SDSS J102751.14+240916.91, TIC 165288400, SDSS J102751.13+240916.8, Gaia DR3 725792096556385664, GALEX J102751.1+240916
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Geier 2020 | Gaia DR2 | Stilism | Kepler et al. 2016 | Simbad |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 27 51.14 (0.03) | 10 27 51.14 | 10 27 51.19 | 10 27 51.14 (0.04) | 10 27 51.15 (0.03) | ||||
| Declination | 24 09 16.75 (0.03) | 24 09 16.88 | 24 09 17.29 | 24 09 16.75 (0.04) | 24 09 16.86 (0.03) | ||||
| Spectral type | sdB+MS | sdB | sdB+F2 | ||||||
| Effective temperature | [K] | 27984.0 (213) | |||||||
| log(g) | [cgs] | 5.14 (0.03) | |||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.35 (0.04) | 0.23 (0.07) | 0.23 (0.07) | 0.35 (0.04) | ||||
| Distance | [pc] | 2817.52 (339) | 4366.81 (1249) | 4366.81 (1249) | 2817.70 (339) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -12.60477551 (0.03) | -12.672 (0.09) | -12.672 (0.09) | -12.605 (0.03) | ||||
| Proper motion (declination) | [mas/yr] | -6.815259226 (0.04) | -6.773 (0.07) | -6.773 (0.07) | -6.815 (0.04) | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 14.70 | ||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 14.65 (0.03) | 14.65 (0.03) | |||||||
| H magnitude | 14.51 (0.03) | 14.51 (0.03) | |||||||
| K magnitude | 14.51 (0.06) | 14.51 (0.06) | |||||||
| u magnitude | 15.34 (0.005) | 15.35 (0.005) | 15.35 (0.01) | 15.35 (0.005) | |||||
| g magnitude | 15.07 (0.004) | 15.07 (0.004) | 15.08 (0.03) | 15.07 (0.004) | |||||
| r magnitude | 15.16 (0.004) | 15.15 (0.004) | 15.17 (0.02) | 15.15 (0.004) | |||||
| i magnitude | 15.24 (0.005) | 15.24 (0.005) | 15.21 (0.01) | 15.24 (0.005) | |||||
| z magnitude | 15.32 (0.006) | 15.31 (0.006) | 15.31 (0.01) | 15.31 (0.006) | |||||
| G magnitude | 15.06 (0.002) | 15.08 (0.0005) | 15.08 | 15.06 (0.003) | |||||
| BP magnitude | 15.14 (0.002) | 15.11 (0.005) | 15.11 | ||||||
| RP magnitude | 14.89 (0.002) | 14.90 (0.002) | 14.90 | ||||||
| Pan g magnitude | 15.11 (0.004) | 15.11 (0.004) | |||||||
| Pan r magnitude | 15.17 (0.002) | 15.17 (0.002) | |||||||
| Pan i magnitude | 15.23 (0.003) | 15.23 (0.003) | |||||||
| Pan z magnitude | 15.33 (0.004) | 15.33 (0.004) | |||||||
| Pan y magnitude | 15.36 (0.004) | 15.36 (0.004) | |||||||
| E(B-V) | 0.019 | ||||||||
* 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.