All names: GALEX J173341.6+071805, Gaia DR3 4486951067119146112, SDSS J173341.64+071805.4, TIC 302915242, 2MASS J17334164+0718054, SDSSJ173341.65+071805.4, Gaia DR2 4486951067119146112
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 17 33 41.65 | 17 33 41.65 (0.02) | ||
| Declination | 07 18 05.40 | 07 18 05.42 (0.02) | ||
| Spectral type | sdB | 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] | 0.21 (0.05) | 0.26 (0.03) | |
| Distance | [pc] | 4757.37 (1082) | 3875.97 (428) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 1.215 (0.1) | 1.177 (0.03) | |
| Proper motion (declination) | [mas/yr] | -2.938 (0.07) | -2.929 (0.02) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 15.13 (0.05) | 15.13 (0.05) | ||
| H magnitude | 15.24 (0.1) | 15.24 (0.1) | ||
| K magnitude | 15.44 (0.2) | 15.44 (0.2) | ||
| u magnitude | 15.17 (0.004) | 15.21 (0.02) | ||
| g magnitude | 14.86 (0.003) | 14.94 (0.02) | ||
| r magnitude | 15.14 (0.003) | 15.17 (0.009) | ||
| i magnitude | 15.38 (0.003) | 15.44 (0.03) | ||
| z magnitude | 15.59 (0.006) | 15.60 (0.01) | ||
| G magnitude | 15.04 (0.0004) | 15.02 (0.003) | ||
| BP magnitude | 14.97 (0.005) | |||
| RP magnitude | 15.07 (0.003) | |||
| Pan g magnitude | 14.95 (0.006) | |||
| Pan r magnitude | 15.18 (0.0008) | |||
| Pan i magnitude | 15.42 (0.002) | |||
| Pan z magnitude | 15.59 (0.003) | |||
| Pan y magnitude | 15.68 (0.004) | |||
| E(B-V) | 0.152 | |||
* 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.