All names: GALEX J162431.8+405913, FBS B 134, TIC 39947484, PG 1622+411, LAMOST J162431.88+405913.0, KUV 16229+4106, Gaia DR3 1380974582874497280, Gaia DR2 1380974582874497280, KUV 364-16, GALEX J162431.9+405913, PG1622+411, SDSS J162431.89+405913.3, LAMOST J162431.89+405913.4, FBS 1622+411, 2MASS J16243189+4059132
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 16 24 31.95 | 16 24 31.89 (0.03) | ||
| Declination | 40 59 14.03 | 40 59 13.31 (0.03) | ||
| Spectral type | sdB | sdBO | ||
| Effective temperature | [K] | 27590.0 (430) | ||
| log(g) | [cgs] | 5.29 (0.06) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.61 (0.05) | 0.72 (0.03) | |
| Distance | [pc] | 1642.85 (144) | 1384.27 (63) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -2.124 (0.09) | -2.39 (0.03) | |
| Proper motion (declination) | [mas/yr] | -10.419 (0.1) | -10.5 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.56 | |||
| V magnitude | 14.32 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 14.64 (0.03) | 14.64 (0.03) | ||
| H magnitude | 14.59 (0.05) | 14.59 (0.05) | ||
| K magnitude | 14.27 (0.07) | 14.27 (0.07) | ||
| u magnitude | 14.26 (0.005) | 14.26 (0.005) | ||
| g magnitude | 14.30 (0.004) | 14.30 (0.004) | ||
| r magnitude | 14.79 (0.006) | 14.79 (0.006) | ||
| i magnitude | 14.95 (0.006) | 14.95 (0.006) | ||
| z magnitude | 15.15 (0.006) | 15.15 (0.006) | ||
| G magnitude | 14.46 (0.0006) | 14.44 (0.003) | ||
| BP magnitude | 14.29 (0.007) | |||
| RP magnitude | 14.60 (0.002) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | 18.84 (0.5) | |||
| E(B-V) | 0.018 | |||
* 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.