All names: 2MASS J14275660+2137572, Gaia EDR3 1240669924143182592, PG1425+219, SDSS J142756.58+213757.2, PG 1425+219, Gaia DR3 1240669924143182592, Gaia DR2 1240669924143182592, UCAC2 39496033, TIC 345200711, SDSS J142756.58+213757.3, GALEX J142756.5+213757, SDSS J142756.58+213757.25, UCAC4 559-053521
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Geier 2020 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 14 27 56.57 (0.02) | 14 27 56.58 | 14 27 56.65 | 14 27 56.57 (0.04) | 14 27 56.59 (0.02) | ||||
| Declination | 21 37 57.22 (0.03) | 21 37 57.34 | 21 37 58.13 | 21 37 57.22 (0.05) | 21 37 57.44 (0.03) | ||||
| Spectral type | sdB | sdB | sdB | ||||||
| Effective temperature | [K] | 28395.0 (835) | 29543.0 (173) | ||||||
| log(g) | [cgs] | 5.25 (0.1) | 5.00 (0.05) | ||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.36 (0.04) | 0.34 (0.06) | 0.34 (0.06) | 0.36 (0.04) | ||||
| Distance | [pc] | 2745.79 (270) | 2929.12 (495) | 2929.29 (495) | 2745.74 (270) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -16.92041385 (0.03) | -16.925 (0.1) | -16.9245074 (0.1) | -16.92 (0.03) | ||||
| Proper motion (declination) | [mas/yr] | -13.96925308 (0.03) | -13.618 (0.1) | -13.61836931 (0.1) | -13.969 (0.04) | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 15.68 (0.02) | ||||||||
| V magnitude | 15.63 (0.07) | ||||||||
| R magnitude | 15.36 (0.4) | ||||||||
| I magnitude | |||||||||
| J magnitude | 15.50 (0.06) | 15.50 (0.06) | |||||||
| H magnitude | 15.30 (0.09) | 15.30 (0.09) | |||||||
| K magnitude | 15.42 (0.2) | 15.42 (0.2) | |||||||
| u magnitude | 15.55 (0.005) | 15.55 (0.005) | 15.53 (0.03) | 15.55 (0.005) | |||||
| g magnitude | 15.51 (0.003) | 15.51 (0.003) | 15.51 (0.02) | 15.51 (0.003) | |||||
| r magnitude | 15.74 (0.004) | 15.74 (0.004) | 15.75 (0.02) | 15.74 (0.004) | |||||
| i magnitude | 15.88 (0.005) | 15.88 (0.005) | 15.88 (0.02) | 15.88 (0.005) | |||||
| z magnitude | 16.02 (0.007) | 16.02 (0.007) | 16.00 (0.02) | 16.02 (0.007) | |||||
| G magnitude | 15.59 (0.002) | 15.61 (0.0009) | 15.61 | 15.59 (0.003) | |||||
| BP magnitude | 15.58 (0.002) | 15.55 (0.004) | 15.55 | ||||||
| RP magnitude | 15.56 (0.002) | 15.57 (0.003) | 15.57 | ||||||
| Pan g magnitude | 15.55 (0.003) | 15.55 (0.003) | |||||||
| Pan r magnitude | 15.73 (0.003) | 15.73 (0.003) | |||||||
| Pan i magnitude | 15.91 (0.003) | 15.91 (0.003) | |||||||
| Pan z magnitude | 16.04 (0.003) | 16.04 (0.003) | |||||||
| Pan y magnitude | 16.12 (0.007) | 16.12 (0.007) | |||||||
| 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.