All names: Gaia DR3 4449305055996668288, SDSS J164951.24+130600.17, SDSS J164951.23+130600.1, SDSSJ164951.24+130600.17, Gaia DR2 4449305055996668288, Gaia EDR3 4449305055996668288, SDSS J164951.24+130600.1
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Geier 2020 | Gaia DR2 | Stilism | Kepler et al. 2016 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 49 51.23 (0.3) | 16 49 51.24 | 16 49 51.24 | 16 49 51.23 (0.3) | 16 49 51.24 (0.3) | |||||
| Declination | 13 06 00.16 (0.2) | 13 06 00.17 | 13 06 00.17 | 13 06 00.16 (0.3) | 13 06 00.16 (0.2) | |||||
| Spectral type | sdB | sdB | sdB | DA | ||||||
| Effective temperature | [K] | 30588.0 (900) | 30588.0 (900) | |||||||
| log(g) | [cgs] | 5.05 (0.2) | 5.05 (0.2) | |||||||
| Mass | [M☉] | |||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 0.65 (0.4) | -0.09 (0.5) | -0.09 (0.5) | 0.65 (0.4) | |||||
| Distance | [pc] | 1539.36 (833) | 1539.41 (833) | |||||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -10.07935984 (0.4) | -10.006 (0.8) | -10.00620151 (0.8) | -10.079 (0.4) | |||||
| Proper motion (declination) | [mas/yr] | 0.171535603 (0.3) | 0.153 (0.7) | 0.153126976 (0.7) | 0.172 (0.3) | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 19.22 (0.03) | 19.22 (0.03) | 19.20 (0.03) | 19.22 (0.03) | ||||||
| g magnitude | 19.39 (0.01) | 19.38 (0.01) | 19.37 (0.02) | 19.39 (0.01) | ||||||
| r magnitude | 19.83 (0.02) | 19.83 (0.02) | 19.82 (0.02) | 19.83 (0.02) | ||||||
| i magnitude | 20.14 (0.03) | 20.15 (0.03) | 20.14 (0.04) | 20.14 (0.03) | ||||||
| z magnitude | 20.56 (0.2) | 20.56 (0.2) | 20.52 (0.2) | 20.52 (0.2) | ||||||
| G magnitude | 19.57 (0.03) | 19.62 (0.005) | 19.62 | 19.57 (0.004) | ||||||
| BP magnitude | 19.51 (0.03) | 19.47 (0.03) | 19.47 | |||||||
| RP magnitude | 19.63 (0.06) | 19.74 (0.07) | 19.74 | |||||||
| Pan g magnitude | 19.38 (0.03) | 19.38 (0.03) | ||||||||
| Pan r magnitude | 19.80 (0.02) | 19.80 (0.02) | ||||||||
| Pan i magnitude | 20.11 (0.01) | 20.11 (0.01) | ||||||||
| Pan z magnitude | 20.26 (0.04) | 20.26 (0.04) | ||||||||
| Pan y magnitude | 20.68 (0.2) | 20.68 (0.2) | ||||||||
| E(B-V) | 0.060 | |||||||||
* 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.