All names: Gaia EDR3 4408310800046481152, Gaia DR2 4408310800046481152, Gaia DR3 4408310800046481152, 2MASS J16091866+0022212, TIC 462276205, SDSS J160918.66+002221.1, SDSS J160918.67+002221.1, SDSSJ160918.66+002221.1
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Geier 2020 | Gaia DR2 | Stilism | Harris et al. 2003 | Simbad | Eisenstein et al. 2006 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 09 18.66 (0.08) | 16 09 18.67 | 16 09 18.67 | 16 09 18.66 (0.1) | 16 09 18.67 (0.08) | 16 09 18.67 | ||||
| Declination | 00 22 20.97 (0.06) | 00 22 21.13 | 00 22 21.14 | 00 22 20.98 (0.07) | 00 22 21.13 (0.06) | 00 22 21.11 | ||||
| Spectral type | sdB+MS | sdB-He | sdBHe | SDB | ||||||
| Effective temperature | [K] | 6970.0 (28) | ||||||||
| log(g) | [cgs] | 7.38 (0.08) | ||||||||
| Mass | [M☉] | |||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 0.17 (0.09) | 0.01 (0.1) | 0.01 (0.1) | 0.17 (0.09) | |||||
| Distance | [pc] | 5830.78 (3083) | 74626.87 (644353) | 74503.15 (642030) | 5830.90 (3084) | |||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -7.195920456 (0.1) | -7.4 (0.2) | -7.400093654 (0.2) | -7.196 (0.1) | -5.5 | ||||
| Proper motion (declination) | [mas/yr] | -9.957457142 (0.07) | -9.845 (0.1) | -9.844946067 (0.1) | -9.957 (0.07) | -11.0 | ||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 16.71 (0.2) | 16.71 (0.2) | ||||||||
| H magnitude | 16.13 (0.2) | 16.13 (0.2) | ||||||||
| K magnitude | 15.36 | |||||||||
| u magnitude | 18.04 (0.01) | 18.04 (0.01) | 18.08 | 18.04 (0.01) | 18.07 (0.02) | |||||
| g magnitude | 17.77 (0.006) | 17.77 (0.006) | 17.80 | 17.77 (0.006) | 17.80 (0.01) | |||||
| r magnitude | 17.65 (0.006) | 17.65 (0.006) | 17.66 | 17.65 (0.006) | 17.66 (0.01) | |||||
| i magnitude | 17.60 (0.007) | 17.60 (0.007) | 17.59 | 17.60 (0.007) | 17.59 (0.02) | |||||
| z magnitude | 17.61 (0.02) | 17.61 (0.02) | 17.57 | 17.61 (0.02) | 17.56 (0.02) | |||||
| G magnitude | 17.57 (0.008) | 17.59 (0.002) | 17.59 | 17.57 (0.003) | ||||||
| BP magnitude | 17.73 (0.008) | 17.74 (0.01) | 17.74 | |||||||
| RP magnitude | 17.26 (0.009) | 17.25 (0.009) | 17.25 | |||||||
| Pan g magnitude | 17.76 (0.002) | 17.76 (0.002) | ||||||||
| Pan r magnitude | 17.64 (0.003) | 17.64 (0.003) | ||||||||
| Pan i magnitude | 17.60 (0.003) | 17.60 (0.003) | ||||||||
| Pan z magnitude | 17.59 (0.006) | 17.59 (0.006) | ||||||||
| Pan y magnitude | 17.57 (0.007) | 17.57 (0.007) | ||||||||
| E(B-V) | 0.100 | |||||||||
* 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.