All names: GALEX J070219.3+302946, Gaia DR2 888223499085060096, KUV06591+3034, KUV 06591+3034, Gaia DR3 888223499085060096, SDSS J070219.37+302946.6, USNO-B1.0 1204-00142347, Gaia EDR3 888223499085060096
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 07 02 19.38 (0.1) | 07 02 19.36 | 07 02 19.38 (0.1) | ||
| Declination | 30 29 46.65 (0.1) | 30 29 46.83 | 30 29 46.67 (0.1) | ||
| 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] | 0.43 (0.1) | 0.36 (0.1) | 0.43 (0.1) | |
| Distance | [pc] | 2345.77 (529) | 2810.57 (1137) | 2345.77 (529) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -0.114 (0.1) | -0.312 (0.4) | -0.114 (0.1) | |
| Proper motion (declination) | [mas/yr] | -1.423 (0.1) | -1.477 (0.4) | -1.423 (0.1) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 16.60 | ||||
| V magnitude | 17.97 | ||||
| R magnitude | 17.00 | ||||
| I magnitude | |||||
| J magnitude | |||||
| H magnitude | |||||
| K magnitude | |||||
| u magnitude | 16.34 (0.007) | 16.33 (0.02) | |||
| g magnitude | 16.61 (0.005) | 16.62 (0.008) | |||
| r magnitude | 17.03 (0.006) | 17.05 (0.01) | |||
| i magnitude | 17.36 (0.007) | 17.36 (0.01) | |||
| z magnitude | 17.65 (0.01) | 17.65 (0.03) | |||
| G magnitude | 16.83 (0.003) | 16.85 (0.003) | 16.83 (0.003) | ||
| BP magnitude | 16.72 (0.006) | 16.62 (0.02) | |||
| RP magnitude | 17.08 (0.01) | 17.04 (0.01) | |||
| Pan g magnitude | 16.70 (0.004) | ||||
| Pan r magnitude | 17.06 (0.003) | ||||
| Pan i magnitude | 17.40 (0.004) | ||||
| Pan z magnitude | 17.66 (0.007) | ||||
| Pan y magnitude | 17.84 (0.02) | ||||
| E(B-V) | 0.057 | ||||
* 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.