All names: FBS B 552, PG 1442+343, Gaia EDR3 1292888067809406720, CBS 199, GALEX J144458.8+340309, TIC 161664301, Gaia DR2 1292888067809406720, PG1442+342, Gaia DR3 1292888067809406720, FBS 1442+343, HIDDEN NAME PG 1442+342, 2MASS J14445875+3403092
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 14 44 58.77 (0.02) | 14 44 58.75 | 14 44 58.76 (0.02) | ||
| Declination | 34 03 09.06 (0.02) | 34 03 09.75 | 34 03 09.23 (0.02) | ||
| Spectral type | sdB | sdB | |||
| Effective temperature | [K] | 29900.0 (1000) | |||
| log(g) | [cgs] | 5.80 (0.1) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.91 (0.03) | 0.94 (0.04) | 0.91 (0.03) | |
| Distance | [pc] | 1103.02 (42) | 1065.98 (50) | 1103.02 (42) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 6.245 (0.02) | 6.286 (0.04) | 6.245 (0.02) | |
| Proper motion (declination) | [mas/yr] | -10.569 (0.03) | -10.662 (0.07) | -10.569 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.60 | ||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 15.20 (0.04) | 15.20 (0.04) | |||
| H magnitude | 15.32 (0.1) | 15.32 (0.1) | |||
| K magnitude | 15.81 (0.3) | 15.81 (0.3) | |||
| u magnitude | 14.09 (0.004) | ||||
| g magnitude | 14.26 (0.003) | ||||
| r magnitude | 14.78 (0.004) | ||||
| i magnitude | 15.10 (0.005) | ||||
| z magnitude | 15.47 (0.006) | ||||
| G magnitude | 14.56 (0.003) | 14.58 (0.0005) | 14.56 (0.003) | ||
| BP magnitude | 14.42 (0.003) | 14.35 (0.005) | |||
| RP magnitude | 14.84 (0.004) | 14.83 (0.002) | |||
| Pan g magnitude | 14.39 (0.005) | ||||
| Pan r magnitude | 14.80 (0.001) | ||||
| Pan i magnitude | 15.17 (0.002) | ||||
| Pan z magnitude | 15.45 (0.003) | ||||
| Pan y magnitude | 15.63 (0.003) | ||||
| E(B-V) | 0.021 | ||||
* 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.