All names: TIC 16531420, Gaia DR3 944390774983674496, Gaia EDR3 944390774983674496, LAMOST J064916.10+383419.7, UCAC2 45328672, Gaia DR2 944390774983674496, FBS 0646+386, GALEX J064916.1+383420, FBS B 39, FBS0646+386, 2MASS J06491614+3834195, SDSS J064916.11+383419.7, UCAC4 643-040020
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 06 49 16.12 (0.04) | 06 49 16.09 | 06 49 16.12 (0.04) | ||
| Declination | 38 34 19.73 (0.04) | 38 34 18.70 | 38 34 19.68 (0.04) | ||
| Spectral type | sdB | sdB0.2He7+K | |||
| Effective temperature | [K] | 32017.0 (15) | |||
| log(g) | [cgs] | 5.53 (0.02) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.68 (0.05) | 0.93 (0.1) | 0.68 (0.05) | |
| Distance | [pc] | 1473.62 (103) | 1079.80 (130) | 1473.62 (103) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 0.65 (0.05) | 0.7 (0.1) | 0.65 (0.05) | |
| Proper motion (declination) | [mas/yr] | 3.156 (0.04) | 3.291 (0.1) | 3.156 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.41 (0.04) | ||||
| V magnitude | 15.56 (0.04) | ||||
| R magnitude | 15.98 (0.2) | ||||
| I magnitude | |||||
| J magnitude | 15.97 (0.08) | 15.97 (0.08) | |||
| H magnitude | 15.66 (0.1) | 15.66 (0.1) | |||
| K magnitude | 15.60 (0.2) | 15.60 (0.2) | |||
| u magnitude | 15.10 (0.005) | 15.10 (0.005) | |||
| g magnitude | 15.29 (0.004) | 15.29 (0.004) | |||
| r magnitude | 15.69 (0.005) | 15.69 (0.005) | |||
| i magnitude | 15.99 (0.005) | 15.99 (0.005) | |||
| z magnitude | 16.25 (0.008) | 16.25 (0.008) | |||
| G magnitude | 15.49 (0.003) | 15.52 (0.002) | 15.49 (0.003) | ||
| BP magnitude | 15.38 (0.004) | 15.32 (0.01) | |||
| RP magnitude | 15.69 (0.006) | 15.67 (0.007) | |||
| Pan g magnitude | 15.36 (0.004) | ||||
| Pan r magnitude | 15.70 (0.004) | ||||
| Pan i magnitude | 16.03 (0.003) | ||||
| Pan z magnitude | 16.28 (0.007) | ||||
| Pan y magnitude | 16.43 (0.01) | ||||
| 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.