All names: Gaia EDR3 1344412831954515072, 2MASS J17463191+3919090, PPM 80567, AG+39 1710, BD+39 3226, BD+393226, Gaia DR2 1344412831954515072, GEN# +0.03903226, GSC 03088-02104, HIP 86986, HIC 86986, Gaia DR3 1344412831954515072, TIC 116048879, TD1 30882, TYC 3088-2104-1
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 17 46 31.94 (0.04) | 17 46 31.90 | 17 46 31.91 (0.04) | ||
| Declination | 39 19 09.02 (0.04) | 39 19 09.09 | 39 19 09.07 (0.04) | ||
| Spectral type | He-sdO | sdOHe | |||
| Effective temperature | [K] | 44700.0 (5000) | |||
| log(g) | [cgs] | 5.50 (0.5) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 5.28 (0.04) | 5.20 (0.05) | 5.28 (0.04) | |
| Distance | [pc] | 189.24 (2) | 192.29 (2) | 189.24 (2) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 19.564 (0.05) | 19.398 (0.1) | 19.564 (0.05) | |
| Proper motion (declination) | [mas/yr] | -2.962 (0.05) | -2.977 (0.09) | -2.962 (0.05) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 9.89 | ||||
| V magnitude | 10.18 | ||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 10.87 (0.02) | 10.87 (0.02) | |||
| H magnitude | 11.02 (0.02) | 11.02 (0.02) | |||
| K magnitude | 11.10 (0.02) | 11.10 (0.02) | |||
| u magnitude | |||||
| g magnitude | |||||
| r magnitude | |||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 10.13 (0.003) | 10.14 (0.001) | 10.13 (0.003) | ||
| BP magnitude | 9.97 (0.003) | 9.98 (0.002) | |||
| RP magnitude | 10.45 (0.004) | 10.46 (0.001) | |||
| Pan g magnitude | 9.98 | ||||
| Pan r magnitude | 10.46 | ||||
| Pan i magnitude | 10.83 | ||||
| Pan z magnitude | 11.12 | ||||
| Pan y magnitude | 11.37 | ||||
| E(B-V) | 0.023 | ||||
* 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.