All names: USNO-B1.0 1270-00288713, GALEX J162628.8+370448, 2MASS J16262891+3704486, Gaia DR3 1331175983266164608, KUV 16247+3711, Gaia DR2 1331175983266164608, TIC 39981097, SDSS J162628.91+370448.5, SDSS J162628.92+370448.6, Gaia EDR3 1331175983266164608, WISE J162628.90+370448.6, WISEA J162628.90+370448.3, SDSSJ162628.92+370448.6, [BGK2006] J162628.92+370448.6
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Geier 2020 | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 26 28.91 (0.03) | 16 26 28.92 | 16 26 28.92 | 16 26 28.91 (0.04) | 16 26 28.92 (0.03) | 16 26 28.92 | |||
| Declination | 37 04 48.54 (0.03) | 37 04 48.60 | 37 04 48.61 | 37 04 48.54 (0.04) | 37 04 48.52 (0.03) | 37 04 48.58 | |||
| Spectral type | sdB | sdB | SDB | ||||||
| Effective temperature | [K] | 7536.0 (11) | |||||||
| log(g) | [cgs] | 5.00 (0.003) | |||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.18 (0.04) | 0.25 (0.05) | 0.25 (0.05) | 0.18 (0.04) | ||||
| Distance | [pc] | 5687.75 (1175) | 4040.40 (852) | 4041.13 (853) | 5688.28 (1175) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -4.929363813 (0.04) | -5.002 (0.07) | -5.00227753 (0.08) | -4.929 (0.04) | -4.8 | |||
| Proper motion (declination) | [mas/yr] | 1.290118474 (0.04) | 1.335 (0.09) | 1.33511984 (0.09) | 1.29 (0.04) | 1.1 | |||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 16.20 | ||||||||
| V magnitude | 16.60 | ||||||||
| R magnitude | 16.60 | ||||||||
| I magnitude | |||||||||
| J magnitude | 16.35 (0.1) | 16.35 (0.1) | |||||||
| H magnitude | 16.34 (0.2) | 16.34 (0.2) | |||||||
| K magnitude | 16.13 (0.3) | 16.13 (0.3) | |||||||
| u magnitude | 16.61 (0.007) | 16.61 (0.007) | 16.61 (0.007) | 16.63 (0.01) | |||||
| g magnitude | 16.03 (0.004) | 16.03 (0.004) | 16.03 (0.004) | 16.07 (0.01) | |||||
| r magnitude | 16.35 (0.004) | 16.35 (0.004) | 16.35 (0.004) | 16.37 (0.01) | |||||
| i magnitude | 16.61 (0.005) | 16.61 (0.005) | 16.61 (0.005) | 16.62 (0.01) | |||||
| z magnitude | 16.77 (0.01) | 16.77 (0.01) | 16.77 (0.01) | 16.80 (0.02) | |||||
| G magnitude | 16.21 (0.003) | 16.23 (0.001) | 16.23 | 16.21 (0.003) | |||||
| BP magnitude | 16.17 (0.003) | 16.15 (0.006) | 16.15 | ||||||
| RP magnitude | 16.29 (0.004) | 16.28 (0.004) | 16.28 | ||||||
| Pan g magnitude | 16.10 (0.01) | 16.10 (0.01) | |||||||
| Pan r magnitude | 16.38 (0.003) | 16.38 (0.003) | |||||||
| Pan i magnitude | 16.63 (0.002) | 16.63 (0.002) | |||||||
| Pan z magnitude | 16.81 (0.003) | 16.81 (0.003) | |||||||
| Pan y magnitude | 16.90 (0.007) | 16.90 (0.007) | |||||||
| 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.