All names: TIC 68942649, TYC 2446-1545-1, BD+341543, BD+34 1543, Gaia DR2 891401431287038848, PPM 72510, HIP 34611, Gaia DR3 891401431287038848, HIC 34611, TD1 30903, LAMOST J071007.73+342453.0, GSC 02446-01545, 2MASS J07100769+3424538, AG+34 785, SAO 59838
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 07 10 07.68 | 07 10 07.70 (0.04) | ||
| Declination | 34 24 54.29 | 34 24 53.81 (0.03) | ||
| Spectral type | sdB+F | sdB+F? | ||
| Effective temperature | [K] | 25380.0 (990) | ||
| log(g) | [cgs] | 5.54 (0.2) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 5.10 (0.05) | 5.14 (0.04) | |
| Distance | [pc] | 196.23 (2) | 194.43 (2) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 35.247 (0.09) | 35.947 (0.04) | |
| Proper motion (declination) | [mas/yr] | -60.655 (0.07) | -60.309 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 10.29 (0.03) | |||
| V magnitude | 10.17 (0.04) | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 9.48 (0.02) | 9.48 (0.02) | ||
| H magnitude | 9.33 (0.03) | 9.33 (0.03) | ||
| K magnitude | 9.21 (0.02) | 9.21 (0.02) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 10.04 (0.001) | 10.05 (0.003) | ||
| BP magnitude | 10.16 (0.003) | |||
| RP magnitude | 9.82 (0.001) | |||
| Pan g magnitude | 10.27 (0.02) | |||
| Pan r magnitude | 10.00 (0.09) | |||
| Pan i magnitude | 10.53 (0.03) | |||
| Pan z magnitude | 10.20 (0.2) | |||
| Pan y magnitude | 10.56 (0.09) | |||
| E(B-V) | 0.014 | |||
* 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.