All names: Gaia EDR3 3645920088861401216, Gaia DR3 3645920088861401216, LAMOST J141820.91-032254.0, SDSS J141820.92-032254.0, HE1415-0309, Gaia DR2 3645920088861401216, USNO-B1.0 0866-00271158, HE 1415-0309
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 14 18 20.93 (0.06) | 14 18 20.92 | 14 18 20.93 (0.06) | ||
| Declination | -03 22 54.17 (0.05) | -03 22 54.09 | -03 22 53.99 (0.05) | ||
| Spectral type | sdB+WD | sdB | |||
| Effective temperature | [K] | 29520.0 (500) | |||
| log(g) | [cgs] | 5.56 (0.05) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.45 (0.07) | 0.59 (0.1) | 0.45 (0.07) | |
| Distance | [pc] | 2233.14 (371) | 1703.87 (283) | 2233.14 (371) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -0.651 (0.08) | -0.758 (0.2) | -0.651 (0.08) | |
| Proper motion (declination) | [mas/yr] | -11.087 (0.07) | -10.854 (0.1) | -11.087 (0.07) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 16.60 | ||||
| V magnitude | |||||
| R magnitude | 16.30 | ||||
| I magnitude | |||||
| J magnitude | |||||
| H magnitude | |||||
| K magnitude | |||||
| u magnitude | 16.08 (0.005) | 16.08 (0.005) | |||
| g magnitude | 16.23 (0.004) | 16.23 (0.004) | |||
| r magnitude | 16.69 (0.004) | 16.69 (0.004) | |||
| i magnitude | 17.00 (0.005) | 17.00 (0.005) | |||
| z magnitude | 17.31 (0.01) | 17.31 (0.01) | |||
| G magnitude | 16.48 (0.003) | 16.51 (0.002) | 16.48 (0.003) | ||
| BP magnitude | 16.37 (0.006) | 16.34 (0.008) | |||
| RP magnitude | 16.72 (0.01) | 16.71 (0.009) | |||
| Pan g magnitude | 16.33 (0.005) | ||||
| Pan r magnitude | 16.70 (0.005) | ||||
| Pan i magnitude | 17.05 (0.004) | ||||
| Pan z magnitude | 17.30 (0.006) | ||||
| Pan y magnitude | 17.47 (0.01) | ||||
| E(B-V) | 0.036 | ||||
* 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.