All names: GALEX J161935.7-010641, TIC 362486819, LB 933, SDSS J161935.66-010641.7, Gaia DR3 4407008497240994176, Gaia EDR3 4407008497240994176, UCAC4 445-063130, 2MASS J16193565-0106418, UCAC2 31349842, Gaia DR2 4407008497240994176, PG1617-009, PG 1617-009
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 16 19 35.66 (0.04) | 16 19 35.68 | 16 19 35.67 (0.04) | ||
| Declination | -01 06 41.80 (0.04) | -01 06 41.39 | -01 06 41.72 (0.04) | ||
| Spectral type | sdB | sdB | |||
| 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] | 0.90 (0.05) | 0.90 (0.07) | 0.90 (0.05) | |
| Distance | [pc] | 1117.19 (64) | 1111.98 (89) | 1117.19 (64) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -4.489 (0.05) | -4.713 (0.1) | -4.489 (0.05) | |
| Proper motion (declination) | [mas/yr] | -4.511 (0.04) | -4.66 (0.09) | -4.511 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.10 (0.07) | ||||
| V magnitude | 15.34 (0.06) | ||||
| R magnitude | 15.48 (0.08) | ||||
| I magnitude | |||||
| J magnitude | 15.60 (0.06) | 15.60 (0.06) | |||
| H magnitude | 15.66 (0.1) | 15.66 (0.1) | |||
| K magnitude | 15.37 | ||||
| u magnitude | 14.95 (0.004) | ||||
| g magnitude | 15.02 (0.003) | 15.47 (0.6) | |||
| r magnitude | 15.42 (0.004) | 15.43 (0.02) | |||
| i magnitude | 15.70 (0.004) | 15.91 (0.01) | |||
| z magnitude | 15.98 (0.006) | ||||
| G magnitude | 15.23 (0.003) | 15.25 (0.0009) | 15.23 (0.003) | ||
| BP magnitude | 15.14 (0.004) | 15.08 (0.009) | |||
| RP magnitude | 15.39 (0.004) | 15.38 (0.003) | |||
| Pan g magnitude | 15.10 (0.002) | ||||
| Pan r magnitude | 15.43 (0.003) | ||||
| Pan i magnitude | 15.73 (0.001) | ||||
| Pan z magnitude | 15.95 (0.005) | ||||
| Pan y magnitude | 16.10 (0.005) | ||||
| E(B-V) | 0.116 | ||||
* 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.