All names: Gaia DR3 1629425796564620160, HS1615+6341, Gaia DR2 1629425796564620160, FBS 1615+637, TIC 198176924, HS 1615+6341, 2MASS J16161036+6334362, GALEX J161610.4+633436, FBS B 741
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 16 16 10.29 | 16 16 10.37 (0.03) | ||
| Declination | 63 34 36.50 | 63 34 36.27 (0.03) | ||
| Spectral type | sdB+MS | sdB2 | ||
| 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] | 0.43 (0.04) | 0.39 (0.03) | |
| Distance | [pc] | 2340.28 (217) | 2541.94 (187) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 2.802 (0.09) | 2.558 (0.04) | |
| Proper motion (declination) | [mas/yr] | -4.128 (0.08) | -3.795 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.70 | |||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 15.38 (0.06) | 15.38 (0.06) | ||
| H magnitude | 15.02 (0.08) | 15.02 (0.08) | ||
| K magnitude | 14.65 (0.1) | 14.65 (0.1) | ||
| u magnitude | 15.82 (0.005) | |||
| g magnitude | 15.77 (0.003) | |||
| r magnitude | 15.94 (0.004) | |||
| i magnitude | 16.01 (0.004) | |||
| z magnitude | 16.13 (0.007) | |||
| G magnitude | 15.81 (0.0009) | 15.79 (0.003) | ||
| BP magnitude | 15.79 (0.003) | |||
| RP magnitude | 15.70 (0.002) | |||
| Pan g magnitude | 15.80 (0.004) | |||
| Pan r magnitude | 15.94 (0.004) | |||
| Pan i magnitude | 16.02 (0.002) | |||
| Pan z magnitude | 16.11 (0.003) | |||
| Pan y magnitude | 16.16 (0.02) | |||
| 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.