All names: 2MASS J14592851+1903499, Gaia DR2 1188933362275187200, GALEX J145928.4+190349, PG1457+193, Gaia DR3 1188933362275187200, LAMOST J145928.51+190349.9, UCAC2 38623754, PG 1457+193, TIC 351271383, Gaia EDR3 1188933362275187200, SDSS J145928.51+190349.7, UCAC4 546-055228, GALEX J145928.5+190350
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 14 59 28.51 (0.03) | 14 59 28.51 | 14 59 28.51 (0.03) | ||
| Declination | 19 03 49.64 (0.03) | 19 03 50.86 | 19 03 49.88 (0.03) | ||
| Spectral type | sdOB | sdBO | |||
| Effective temperature | [K] | 37350.0 (1090) | |||
| log(g) | [cgs] | 5.92 (0.1) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 1.30 (0.04) | 1.27 (0.05) | 1.30 (0.04) | |
| Distance | [pc] | 766.93 (21) | 789.58 (34) | 766.93 (21) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -0.639 (0.04) | -0.773 (0.09) | -0.639 (0.04) | |
| Proper motion (declination) | [mas/yr] | -15.156 (0.05) | -15.116 (0.1) | -15.156 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.08 (0.08) | ||||
| V magnitude | 14.33 (0.05) | ||||
| R magnitude | 14.57 (0.08) | ||||
| I magnitude | |||||
| J magnitude | 14.92 (0.04) | 14.92 (0.04) | |||
| H magnitude | 15.00 (0.07) | 15.00 (0.07) | |||
| K magnitude | 15.38 (0.2) | 15.38 (0.2) | |||
| u magnitude | 13.70 (0.003) | 13.75 (0.02) | |||
| g magnitude | 14.01 (0.003) | 14.01 (0.02) | |||
| r magnitude | 14.47 (0.003) | 14.47 (0.01) | |||
| i magnitude | 14.81 (0.003) | 14.83 (0.02) | |||
| z magnitude | 15.16 (0.005) | 15.16 (0.02) | |||
| G magnitude | 14.23 (0.003) | 14.25 (0.0006) | 14.23 (0.003) | ||
| BP magnitude | 14.09 (0.003) | 14.05 (0.01) | |||
| RP magnitude | 14.50 (0.004) | 14.50 (0.003) | |||
| Pan g magnitude | 14.07 (0.002) | ||||
| Pan r magnitude | 14.49 (0.001) | ||||
| Pan i magnitude | 14.83 (0.003) | ||||
| Pan z magnitude | 15.09 (0.003) | ||||
| Pan y magnitude | 15.27 (0.01) | ||||
| E(B-V) | 0.035 | ||||
* 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.