All names: Gaia DR2 1307250640309313920, Gaia EDR3 1307250640309313920, SDSS J164612.86+263229.2, LSPM J1646+2632, SDSS J164612.87+263229.3, SDSS J164612.87+263228.0, USNO-B1.0 1165-00268447
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|
| Right ascension | 16 46 12.87 (0.9) | 16 46 12.87 | 16 46 12.86 (62) | 16 46 12.87 | ||
| Declination | 26 32 27.23 (1) | 26 32 29.25 | 26 32 30.18 (186) | 26 32 29.29 | ||
| Spectral type | DA | DA | ||||
| Effective temperature | [K] | 9631.0 (52) | ||||
| log(g) | [cgs] | 8.20 (0.07) | ||||
| Mass | [M☉] | 0.716 (0.04) | ||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | |||||
| Distance | [pc] | |||||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | 8.0 (1) | ||||
| Proper motion (declination) | [mas/yr] | -158.0 (5) | ||||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | 18.60 | |||||
| V magnitude | ||||||
| R magnitude | 18.60 | |||||
| I magnitude | ||||||
| J magnitude | ||||||
| H magnitude | ||||||
| K magnitude | ||||||
| u magnitude | 18.82 (0.02) | 18.82 (0.02) | 18.82 (0.02) | |||
| g magnitude | 18.39 (0.007) | 18.39 (0.007) | 18.52 (0.02) | |||
| r magnitude | 18.41 (0.008) | 18.41 (0.008) | 18.43 (0.02) | |||
| i magnitude | 18.55 (0.01) | 18.55 (0.01) | 18.53 (0.02) | |||
| z magnitude | 18.68 (0.03) | 18.70 (0.03) | 18.70 (0.03) | |||
| G magnitude | 18.68 (0.01) | 18.54 (0.005) | ||||
| BP magnitude | 18.44 (0.01) | |||||
| RP magnitude | 18.21 (0.02) | |||||
| Pan g magnitude | 18.38 (0.006) | |||||
| Pan r magnitude | 18.42 (0.005) | |||||
| Pan i magnitude | 18.55 (0.009) | |||||
| Pan z magnitude | 18.69 (0.01) | |||||
| Pan y magnitude | 18.77 (0.05) | |||||
| E(B-V) | ||||||
* 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.