All names: 2MASS J05444554+3038536, Gaia DR2 3444598749605672064, TIC 117005133, Gaia EDR3 3444598749605672064, LAMOST J054445.53+303853.5, Gaia DR3 3444598749605672064, TYC 2405-1118-1, TYC2405-1118-1
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 05 44 45.53 (0.04) | 05 44 45.54 | 05 44 45.54 (0.04) | ||
| Declination | 30 38 53.21 (0.03) | 30 38 53.57 | 30 38 53.50 (0.03) | ||
| Spectral type | sdB | sdB | |||
| Effective temperature | [K] | 28520.0 (150) | |||
| log(g) | [cgs] | 5.59 (0.02) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 3.18 (0.04) | 3.18 (0.06) | 3.18 (0.04) | |
| Distance | [pc] | 314.26 (4) | 314.88 (6) | 314.26 (4) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -3.766 (0.05) | -3.863 (0.1) | -3.766 (0.05) | |
| Proper motion (declination) | [mas/yr] | -18.146 (0.03) | -18.231 (0.09) | -18.146 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 12.48 (0.2) | ||||
| V magnitude | 13.08 (0.4) | ||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 12.79 (0.02) | 12.79 (0.02) | |||
| H magnitude | 12.90 (0.02) | 12.90 (0.02) | |||
| K magnitude | 12.96 (0.03) | 12.96 (0.03) | |||
| u magnitude | |||||
| g magnitude | |||||
| r magnitude | |||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 12.41 (0.003) | 12.43 (0.0006) | 12.41 (0.003) | ||
| BP magnitude | 12.33 (0.003) | 12.28 (0.007) | |||
| RP magnitude | 12.56 (0.004) | 12.55 (0.007) | |||
| Pan g magnitude | 12.34 | ||||
| Pan r magnitude | 12.68 | ||||
| Pan i magnitude | 12.95 | ||||
| Pan z magnitude | 13.14 (0) | ||||
| Pan y magnitude | 13.27 (0.002) | ||||
| E(B-V) | 0.148 | ||||
* 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.