All names: Gaia DR3 4418126930617633664, TIC 20798890, SDSS J150902.06-014354.3, Gaia DR2 4418126930617633664, SDSSJ150902.06-014354.3, 2MASS J15090205-0143543
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 15 09 02.07 | 15 09 02.06 (0.05) | ||
| Declination | -01 43 54.37 | -01 43 54.35 (0.05) | ||
| Spectral type | sdB+MS | sdB+? | ||
| Effective temperature | [K] | |||
| log(g) | [cgs] | |||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.09 (0.08) | 0.25 (0.06) | |
| Distance | [pc] | 10810.81 (9549) | 4017.68 (978) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 2.261 (0.1) | 1.982 (0.06) | |
| Proper motion (declination) | [mas/yr] | -11.699 (0.1) | -11.61 (0.06) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 15.68 (0.08) | 15.61 (0.008) | ||
| H magnitude | 15.28 (0.1) | 15.38 (0.01) | ||
| K magnitude | 15.13 (0.2) | 15.29 (0.02) | ||
| u magnitude | 17.11 (0.009) | 17.11 (0.009) | ||
| g magnitude | 16.51 (0.004) | 16.51 (0.004) | ||
| r magnitude | 16.36 (0.005) | 16.36 (0.005) | ||
| i magnitude | 16.31 (0.005) | 16.31 (0.005) | ||
| z magnitude | 16.33 (0.008) | 16.33 (0.008) | ||
| G magnitude | 16.35 (0.002) | 16.33 (0.003) | ||
| BP magnitude | 16.52 (0.006) | |||
| RP magnitude | 16.02 (0.007) | |||
| Pan g magnitude | 16.52 (0.007) | |||
| Pan r magnitude | 16.38 (0.003) | |||
| Pan i magnitude | 16.34 (0.003) | |||
| Pan z magnitude | 16.35 (0.007) | |||
| Pan y magnitude | 16.35 (0.005) | |||
| E(B-V) | 0.092 | |||
* 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.