All names: EQ J0415+0154, HIDDEN NAME 2M0415+0154, GALEXJ04158+0154, TIC 396954061, Gaia DR3 3259060049366022400, Gaia DR2 3259060049366022400, LAMOST J041550.15+015420.9, Gaia EDR3 3259060049366022400, 2MASS J04155016+0154209, GALEX J041550.2+015421, UCAC4 460-006078, UCAC2 32311775, WISEA J041550.16+015420.7, WISE J041550.16+015420.8
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 04 15 50.17 (0.03) | 04 15 50.21 | 04 15 50.16 (0.03) | ||
| Declination | 01 54 20.83 (0.02) | 01 54 21.27 | 01 54 20.94 (0.02) | ||
| Spectral type | sdBV | sdB | |||
| Effective temperature | [K] | 32920.0 (90) | |||
| log(g) | [cgs] | 5.78 (0.02) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 1.50 (0.04) | 1.37 (0.06) | 1.50 (0.04) | |
| Distance | [pc] | 665.47 (18) | 729.82 (32) | 665.47 (18) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 5.735 (0.04) | 5.496 (0.1) | 5.735 (0.04) | |
| Proper motion (declination) | [mas/yr] | -6.603 (0.03) | -6.434 (0.06) | -6.603 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 13.92 (0.01) | ||||
| V magnitude | 14.06 (0.03) | ||||
| R magnitude | 14.36 (0.1) | ||||
| I magnitude | |||||
| J magnitude | 14.51 (0.03) | 14.51 (0.03) | |||
| H magnitude | 14.63 (0.06) | 14.63 (0.06) | |||
| K magnitude | 14.66 (0.1) | 14.66 (0.1) | |||
| u magnitude | |||||
| g magnitude | 13.89 (0.02) | ||||
| r magnitude | 14.25 (0.04) | ||||
| i magnitude | 14.49 (0.1) | ||||
| z magnitude | |||||
| G magnitude | 14.03 (0.003) | 14.04 (0.0005) | 14.03 (0.003) | ||
| BP magnitude | 13.92 (0.003) | 13.87 (0.009) | |||
| RP magnitude | 14.21 (0.005) | 14.21 (0.003) | |||
| Pan g magnitude | 13.90 (0.001) | ||||
| Pan r magnitude | 14.24 (0.003) | ||||
| Pan i magnitude | 14.56 (0.003) | ||||
| Pan z magnitude | 14.79 (0.003) | ||||
| Pan y magnitude | 14.94 (0.003) | ||||
| E(B-V) | 0.088 | ||||
* 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.