All names: UCAC4 744-049091, Gaia DR2 1611954625518358272, WISEA J142659.99+584701.5, PG 1425+590, SDSS J142700.09+584700.8, SDSS J142700.08+584700.7, 2MASS J14270007+5847006, SBSS 1425+590, WISE J142700.00+584701.8, GALEX J142700.0+584701, Gaia DR3 1611954625518358272, Gaia EDR3 1611954625518358272, PG1425+590, TIC 284204110
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 14 27 00.05 (0.03) | 14 27 00.18 | 14 27 00.09 (0.03) | ||
| Declination | 58 47 00.67 (0.04) | 58 47 00.70 | 58 47 00.71 (0.04) | ||
| Spectral type | He-sdO | sdOHe | |||
| Effective temperature | [K] | 43071.0 (2324) | |||
| log(g) | [cgs] | 6.00 (0.3) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.50 (0.04) | 0.58 (0.06) | 0.50 (0.04) | |
| Distance | [pc] | 2000.80 (155) | 1712.62 (166) | 2000.80 (155) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -23.117 (0.04) | -22.914 (0.1) | -23.117 (0.04) | |
| Proper motion (declination) | [mas/yr] | -2.856 (0.05) | -3.098 (0.1) | -2.856 (0.05) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.64 (0.09) | ||||
| V magnitude | 16.01 (0.04) | ||||
| R magnitude | 16.35 (0.2) | ||||
| I magnitude | |||||
| J magnitude | 16.70 (0.1) | 16.70 (0.1) | |||
| H magnitude | 17.07 | ||||
| K magnitude | 17.05 | ||||
| u magnitude | 15.35 (0.004) | 15.35 (0.004) | |||
| g magnitude | 15.73 (0.003) | 15.73 (0.003) | |||
| r magnitude | 16.24 (0.003) | 16.24 (0.003) | |||
| i magnitude | 16.61 (0.004) | 16.61 (0.004) | |||
| z magnitude | 16.94 (0.01) | 16.94 (0.01) | |||
| G magnitude | 15.98 (0.003) | 16.00 (0.002) | 15.98 (0.003) | ||
| BP magnitude | 15.82 (0.004) | 15.75 (0.007) | |||
| RP magnitude | 16.30 (0.005) | 16.29 (0.005) | |||
| Pan g magnitude | 15.80 (0.003) | ||||
| Pan r magnitude | 16.25 (0.002) | ||||
| Pan i magnitude | 16.63 (0.002) | ||||
| Pan z magnitude | 16.91 (0.004) | ||||
| Pan y magnitude | 17.11 (0.01) | ||||
| 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.