All names: Gaia DR2 1424736794927164544, USNO-A2.0 1350-08854325, Gaia DR3 1424736794927164544, SBSS 1619+522, GSC 03498-01721, BPS BS 16029-0099, 2MASS J16203876+5206087, Gaia EDR3 1424736794927164544, TIC 162617279, PG 1619+522, PG1619+522, [TFW97] J162038.74+520608.78
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 16 20 38.72 (0.03) | 16 20 38.74 | 16 20 38.73 (0.03) | ||
| Declination | 52 06 08.96 (0.03) | 52 06 08.79 | 52 06 08.81 (0.03) | ||
| Spectral type | sdB | sdB0.5VIIHe7 | |||
| Effective temperature | [K] | 32300.0 (1000) | |||
| log(g) | [cgs] | 5.98 (0.1) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 2.02 (0.03) | 2.01 (0.05) | 2.02 (0.03) | |
| Distance | [pc] | 495.20 (8) | 498.38 (12) | 495.20 (8) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -4.705 (0.04) | -4.86 (0.08) | -4.705 (0.04) | |
| Proper motion (declination) | [mas/yr] | 9.957 (0.04) | 9.901 (0.1) | 9.957 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 13.36 | ||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 13.88 (0.03) | 13.88 (0.03) | |||
| H magnitude | 13.97 (0.04) | 13.97 (0.04) | |||
| K magnitude | 14.04 (0.07) | 14.04 (0.07) | |||
| u magnitude | 13.29 (0.004) | ||||
| g magnitude | |||||
| r magnitude | 15.70 (0.01) | ||||
| i magnitude | 14.71 (0.01) | ||||
| z magnitude | 14.27 (0.005) | ||||
| G magnitude | 13.23 (0.003) | 13.24 (0.0006) | 13.23 (0.003) | ||
| BP magnitude | 13.08 (0.003) | 13.03 (0.007) | |||
| RP magnitude | 13.53 (0.004) | 13.53 (0.002) | |||
| Pan g magnitude | 13.14 | ||||
| Pan r magnitude | 13.95 (0.02) | ||||
| Pan i magnitude | 13.86 (0.001) | ||||
| Pan z magnitude | 14.15 (0.002) | ||||
| Pan y magnitude | 14.33 (0.003) | ||||
| E(B-V) | 0.020 | ||||
* 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.