All names: Gaia DR2 1305126525580012672, 2MASS J16282252+2729187, Gaia DR3 1305126525580012672, GALEXJ16283+2729, LAMOST J162822.52+272918.9, GALEX J162822.5+272919, UCAC4 588-055490
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 16 28 22.54 | 16 28 22.52 (0.02) | ||
| Declination | 27 29 19.30 | 27 29 18.62 (0.02) | ||
| Spectral type | sdB | sdB | ||
| Effective temperature | [K] | 25380.0 (3520) | ||
| log(g) | [cgs] | 5.31 (0.1) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 1.23 (0.04) | 1.17 (0.03) | |
| Distance | [pc] | 812.74 (25) | 852.73 (21) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -4.687 (0.05) | -4.728 (0.02) | |
| Proper motion (declination) | [mas/yr] | -7.719 (0.07) | -7.875 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 13.55 (0.01) | |||
| V magnitude | 13.75 (0.01) | |||
| R magnitude | 13.94 (0.1) | |||
| I magnitude | ||||
| J magnitude | 14.18 (0.03) | 14.18 (0.03) | ||
| H magnitude | 14.31 (0.04) | 14.31 (0.04) | ||
| K magnitude | 14.21 (0.08) | 14.21 (0.08) | ||
| u magnitude | 13.52 (0.005) | |||
| g magnitude | 13.58 (0.01) | |||
| r magnitude | 13.14 (0.002) | 14.02 (0.01) | ||
| i magnitude | 16.55 (0.02) | |||
| z magnitude | 14.52 (0.006) | |||
| G magnitude | 13.64 (0.0004) | 13.62 (0.003) | ||
| BP magnitude | 13.45 (0.007) | |||
| RP magnitude | 13.84 (0.002) | |||
| Pan g magnitude | 13.47 (0.008) | |||
| Pan r magnitude | 13.85 (0.005) | |||
| Pan i magnitude | 14.21 (0.001) | |||
| Pan z magnitude | 14.44 (0.002) | |||
| Pan y magnitude | 14.61 (0.003) | |||
| E(B-V) | 0.029 | |||
* 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.