All names: TIC 105878105, LAMOST J161823.08+141612.9, Gaia DR3 4463625890008114944, GALEX J161823.0+141615, [TFW97] J161823.09+141612.89, Gaia EDR3 4463625890008114944, PG1616+144, Gaia DR2 4463625890008114944, PG 1616+144, 2MASS J16182309+1416129
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 16 18 23.10 (0.02) | 16 18 23.08 | 16 18 23.09 (0.02) | ||
| Declination | 14 16 12.56 (0.02) | 14 16 14.01 | 14 16 12.89 (0.02) | ||
| Spectral type | sdB | sdB | |||
| Effective temperature | [K] | 36500.0 (900) | |||
| log(g) | [cgs] | 6.02 (0.1) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 1.80 (0.03) | 1.73 (0.07) | 1.80 (0.03) | |
| Distance | [pc] | 556.08 (10) | 578.13 (24) | 556.08 (10) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 3.328 (0.03) | 3.344 (0.08) | 3.328 (0.03) | |
| Proper motion (declination) | [mas/yr] | -21.07 (0.03) | -21.131 (0.06) | -21.07 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 13.48 | ||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 14.05 (0.03) | 14.05 (0.03) | |||
| H magnitude | 14.07 (0.04) | 14.07 (0.04) | |||
| K magnitude | 14.18 (0.06) | 14.18 (0.06) | |||
| u magnitude | 13.07 (0.003) | ||||
| g magnitude | 13.65 (0.003) | ||||
| r magnitude | 13.85 (0.005) | ||||
| i magnitude | 14.16 (0.004) | ||||
| z magnitude | 14.38 (0.005) | ||||
| G magnitude | 13.42 (0.003) | 13.44 (0.0007) | 13.42 (0.003) | ||
| BP magnitude | 13.29 (0.003) | 13.22 (0.009) | |||
| RP magnitude | 13.69 (0.004) | 13.68 (0.002) | |||
| Pan g magnitude | 13.28 (0.004) | ||||
| Pan r magnitude | 13.68 (0.001) | ||||
| Pan i magnitude | 14.02 (0.002) | ||||
| Pan z magnitude | 14.29 (0.006) | ||||
| Pan y magnitude | 14.49 (0.005) | ||||
| E(B-V) | 0.041 | ||||
* 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.