All names: SBSS 1340+607, TIC 298109741, PG1340+607, CHSS 2565, [TFW97] J134159.73+602940.99, UCAC3 301-107663, 2MASS J13415977+6029405, Gaia DR2 1662618815655804416, UCAC4 753-049770, Gaia DR3 1662618815655804416, PG 1340+607, SDSS J134159.77+602940.6
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 13 41 59.75 | 13 41 59.77 (0.03) | ||
| Declination | 60 29 43.50 | 60 29 40.60 (0.02) | ||
| 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] | 1.46 (0.05) | 1.39 (0.03) | |
| Distance | [pc] | 684.18 (23) | 719.06 (15) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 17.104 (0.08) | 16.955 (0.03) | |
| Proper motion (declination) | [mas/yr] | -16.363 (0.07) | -16.224 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 12.92 (0.2) | |||
| V magnitude | 12.93 (0.08) | |||
| R magnitude | 13.39 (0.05) | |||
| I magnitude | ||||
| J magnitude | 13.63 (0.03) | 13.63 (0.03) | ||
| H magnitude | 13.61 (0.04) | 13.61 (0.04) | ||
| K magnitude | 13.70 (0.05) | 13.70 (0.05) | ||
| u magnitude | 12.82 (0.003) | 12.82 (0.003) | ||
| g magnitude | 13.42 (0.006) | |||
| r magnitude | 13.35 (0.003) | 13.36 (0.003) | ||
| i magnitude | 13.68 (0.003) | 13.69 (0.003) | ||
| z magnitude | 14.00 (0.004) | 14.00 (0.004) | ||
| G magnitude | 13.13 (0.001) | 13.12 (0.003) | ||
| BP magnitude | 12.94 (0.007) | |||
| RP magnitude | 13.37 (0.003) | |||
| Pan g magnitude | 12.97 (0.004) | |||
| Pan r magnitude | 13.37 (0.003) | |||
| Pan i magnitude | 13.73 (0.002) | |||
| Pan z magnitude | 13.95 (0.003) | |||
| Pan y magnitude | 14.10 (0.006) | |||
| E(B-V) | 0.018 | |||
* 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.