All names: SBSS 1604+504, Gaia DR2 1400555201338170112, BPS BS 16029-0043, 2MASS J16053421+5018519, GALEX J160534.6+501852, Gaia DR3 1400555201338170112, Gaia EDR3 1400555201338170112, PG 1604+504, PG1604+504, TIC 159982238
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 16 05 34.14 (0.03) | 16 05 34.36 | 16 05 34.20 (0.03) | ||
| Declination | 50 18 52.35 (0.03) | 50 18 49.70 | 50 18 52.02 (0.03) | ||
| Spectral type | sdOB | sdBO | |||
| 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] | 2.44 (0.04) | 2.46 (0.04) | 2.44 (0.04) | |
| Distance | [pc] | 410.36 (6) | 406.60 (7) | 410.36 (6) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -40.677 (0.04) | -40.585 (0.08) | -40.677 (0.04) | |
| Proper motion (declination) | [mas/yr] | 20.534 (0.05) | 20.556 (0.1) | 20.534 (0.05) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.73 | ||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 13.57 (0.03) | 13.57 (0.03) | |||
| H magnitude | 13.66 (0.03) | 13.66 (0.03) | |||
| K magnitude | 13.89 (0.06) | 13.89 (0.06) | |||
| u magnitude | 14.69 (0.01) | ||||
| g magnitude | |||||
| r magnitude | 15.26 (0.01) | ||||
| i magnitude | 14.37 (0.005) | ||||
| z magnitude | 14.16 (0.007) | ||||
| G magnitude | 12.93 (0.003) | 12.96 (0.0009) | 12.93 (0.003) | ||
| BP magnitude | 12.79 (0.003) | 12.75 (0.009) | |||
| RP magnitude | 13.23 (0.004) | 13.23 (0.002) | |||
| Pan g magnitude | 12.67 | ||||
| Pan r magnitude | 13.16 | ||||
| Pan i magnitude | 13.57 (0.002) | ||||
| Pan z magnitude | 13.85 (0.006) | ||||
| Pan y magnitude | 14.05 (0.007) | ||||
| E(B-V) | 0.019 | ||||
* 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.