All names: LAMOST J041916.96+362824.0, LAMOSTJ041916.96+362824.0, Gaia DR3 177389712764641920, WISE J041916.96+362824.1, WISEA J041916.98+362823.9, 2MASS J04191694+3628241, TIC 417926121, UCAC4 633-017614, Gaia DR2 177389712764641920
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 04 19 16.97 | 04 19 16.96 (0.02) | ||
| Declination | 36 28 24.09 | 36 28 24.21 (0.02) | ||
| Spectral type | He-sdOB | sdOBHe | ||
| Effective temperature | [K] | 42340.0 (250) | ||
| log(g) | [cgs] | 5.47 (0.05) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 1.12 (0.05) | 1.15 (0.03) | |
| Distance | [pc] | 895.26 (42) | 869.72 (20) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 14.675 (0.1) | 14.76 (0.04) | |
| Proper motion (declination) | [mas/yr] | -10.584 (0.09) | -10.657 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.81 (0.03) | |||
| V magnitude | 14.64 (0.01) | |||
| R magnitude | 14.66 (0.1) | |||
| I magnitude | ||||
| J magnitude | 14.42 (0.03) | 14.42 (0.03) | ||
| H magnitude | 14.49 (0.06) | 14.49 (0.06) | ||
| K magnitude | 14.56 (0.09) | 14.56 (0.09) | ||
| u magnitude | ||||
| g magnitude | 14.65 (0.01) | |||
| r magnitude | 14.77 (0.01) | |||
| i magnitude | 14.70 (0.01) | |||
| z magnitude | ||||
| G magnitude | 14.62 (0.0006) | 14.60 (0.003) | ||
| BP magnitude | 14.63 (0.007) | |||
| RP magnitude | 14.47 (0.002) | |||
| Pan g magnitude | 14.67 (0.002) | |||
| Pan r magnitude | 14.69 (0.003) | |||
| Pan i magnitude | 14.81 (0.002) | |||
| Pan z magnitude | 14.94 (0.002) | |||
| Pan y magnitude | 15.02 (0.003) | |||
| E(B-V) | 0.416 | |||
* 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.