All names: HS0702+6043, 2MASS J07070979+6038500, TIC 88565376, GSC2 N2113013191, PPMX J070709.7+603850, Gaia DR2 1002864074658491648, UCAC3 302-91848, GALEX J070709.6+603851, Gaia DR3 1002864074658491648, V* DW Lyn, GSC 04110-00316, GSC2.3 N7GN000191, HS 0702+6043, USNO-B1.0 1506-00165668
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 07 07 09.81 | 07 07 09.80 (0.02) | ||
| Declination | 60 38 50.88 | 60 38 50.16 (0.02) | ||
| Spectral type | sdBV | sdB | ||
| Effective temperature | [K] | 28400.0 (700) | ||
| log(g) | [cgs] | 5.35 (0.1) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.67 (0.06) | 0.70 (0.04) | |
| Distance | [pc] | 1495.44 (130) | 1437.61 (75) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 3.032 (0.06) | 3.025 (0.03) | |
| Proper motion (declination) | [mas/yr] | -5.996 (0.05) | -6.056 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.70 | |||
| V magnitude | ||||
| R magnitude | 15.34 (0.2) | |||
| I magnitude | ||||
| J magnitude | 15.45 (0.05) | 15.45 (0.05) | ||
| H magnitude | 15.57 (0.1) | 15.57 (0.1) | ||
| K magnitude | 15.68 (0.2) | 15.68 (0.2) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 14.94 (0.0008) | 14.92 (0.003) | ||
| BP magnitude | 14.76 (0.007) | |||
| RP magnitude | 15.11 (0.004) | |||
| Pan g magnitude | 14.79 (0.007) | |||
| Pan r magnitude | 15.13 (0.004) | |||
| Pan i magnitude | 15.44 (0.003) | |||
| Pan z magnitude | 15.70 (0.005) | |||
| Pan y magnitude | 15.84 (0.006) | |||
| E(B-V) | 0.072 | |||
* 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.