All names: UCAC4 525-057120, US 3979, Gaia DR2 1228629618983512064, WISEA J142330.68+144831.7, Gaia DR3 1228629618983512064, SDSS J142330.68+144831.7, 2MASS J14233069+1448318, PG1421+150, TIC 462574211, WISE J142330.69+144831.8, UCAC2 37010604, GALEX J142330.7+144832, PG 1421+150, LAMOST J142330.74+144832.2
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 14 23 30.70 | 14 23 30.69 (0.03) | ||
| Declination | 14 48 32.23 | 14 48 31.78 (0.02) | ||
| Spectral type | sdB | sdB+F5V | ||
| Effective temperature | [K] | |||
| log(g) | [cgs] | |||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.21 (0.06) | 0.21 (0.03) | |
| Distance | [pc] | 4710.32 (1231) | 4748.34 (758) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -2.273 (0.1) | -2.29 (0.04) | |
| Proper motion (declination) | [mas/yr] | -3.534 (0.1) | -3.682 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.22 (0.03) | |||
| V magnitude | 15.34 (0.03) | |||
| R magnitude | 15.50 (0.1) | |||
| I magnitude | ||||
| J magnitude | 15.28 (0.04) | 15.28 (0.04) | ||
| H magnitude | 15.18 (0.08) | 15.18 (0.08) | ||
| K magnitude | 15.17 (0.1) | 15.17 (0.1) | ||
| u magnitude | 15.01 (0.004) | 15.01 (0.004) | ||
| g magnitude | 15.11 (0.003) | 15.11 (0.003) | ||
| r magnitude | 15.44 (0.004) | 15.44 (0.004) | ||
| i magnitude | 15.67 (0.004) | 15.67 (0.004) | ||
| z magnitude | 15.87 (0.006) | 15.87 (0.006) | ||
| G magnitude | 15.28 (0.0009) | 15.26 (0.003) | ||
| BP magnitude | 15.16 (0.01) | |||
| RP magnitude | 15.34 (0.003) | |||
| Pan g magnitude | 15.18 (0.004) | |||
| Pan r magnitude | 15.46 (0.002) | |||
| Pan i magnitude | 15.68 (0.003) | |||
| Pan z magnitude | 15.85 (0.005) | |||
| Pan y magnitude | 15.95 (0.005) | |||
| 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.