All names: 2MASS J06303376+2119281, Gaia DR2 3376057123175008256, WISE J063033.76+211928.0, TIC 47135196, WISEA J063033.75+211928.1, LAMOSTJ063033.77+211928.2, LAMOST J063033.77+211928.2, Gaia DR3 3376057123175008256, UCAC4 557-029185
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 06 30 33.77 | 06 30 33.77 (0.04) | ||
| Declination | 21 19 28.21 | 21 19 28.32 (0.03) | ||
| Spectral type | sdB | sdB | ||
| Effective temperature | [K] | 20980.0 (25) | ||
| log(g) | [cgs] | 5.28 (0.02) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.86 (0.06) | 0.82 (0.04) | |
| Distance | [pc] | 1164.42 (77) | 1216.69 (61) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 3.035 (0.09) | 3.08 (0.04) | |
| Proper motion (declination) | [mas/yr] | -8.528 (0.08) | -8.518 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.36 (0.03) | |||
| V magnitude | 15.42 (0.1) | |||
| R magnitude | 15.59 (0.2) | |||
| I magnitude | ||||
| J magnitude | 15.46 (0.06) | 15.46 (0.06) | ||
| H magnitude | 15.29 (0.1) | 15.29 (0.1) | ||
| K magnitude | 15.41 (0.2) | 15.41 (0.2) | ||
| u magnitude | ||||
| g magnitude | 15.22 (0.04) | |||
| r magnitude | 15.29 (0.01) | |||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 15.33 (0.001) | 15.30 (0.003) | ||
| BP magnitude | 15.27 (0.01) | |||
| RP magnitude | 15.29 (0.006) | |||
| Pan g magnitude | 15.26 (0.002) | |||
| Pan r magnitude | 15.44 (0.003) | |||
| Pan i magnitude | 15.63 (0.004) | |||
| Pan z magnitude | 15.81 (0.004) | |||
| Pan y magnitude | 15.90 (0.006) | |||
| E(B-V) | 0.162 | |||
* 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.