All names: LAMOST J084305.03+332744.7, TIC 101548929, KUV 08400+3339, UCAC4 618-045442, 2MASS J08430500+3327451, UCAC2 43440427, UBV M 43180, FBS B 488, GEN# +6.10070943, PG 0839+336, PG0839+336, FBS 0839+336, GALEX J084305.0+332745, Gaia EDR3 710337051880367616, Gaia DR3 710337051880367616, Ton 943, CBS 81, Gaia DR2 710337051880367616
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 08 43 05.04 (0.03) | 08 43 04.99 | 08 43 05.03 (0.03) | ||
| Declination | 33 27 44.75 (0.02) | 33 27 45.33 | 33 27 44.85 (0.02) | ||
| Spectral type | sdB | sdB | |||
| Effective temperature | [K] | 27360.0 (530) | |||
| log(g) | [cgs] | 5.47 (0.03) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.71 (0.04) | 0.73 (0.07) | 0.71 (0.04) | |
| Distance | [pc] | 1418.04 (83) | 1365.75 (126) | 1418.04 (83) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 3.102 (0.04) | 3.039 (0.09) | 3.102 (0.04) | |
| Proper motion (declination) | [mas/yr] | -6.318 (0.03) | -6.35 (0.06) | -6.318 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.73 (0.05) | ||||
| V magnitude | 14.95 (0.03) | ||||
| R magnitude | 15.01 (0.08) | ||||
| I magnitude | |||||
| J magnitude | 15.32 (0.06) | 15.32 (0.06) | |||
| H magnitude | 15.37 (0.1) | 15.37 (0.1) | |||
| K magnitude | 14.94 | ||||
| u magnitude | 14.49 (0.003) | ||||
| g magnitude | 14.65 (0.003) | 14.72 (0.04) | |||
| r magnitude | 15.12 (0.003) | 15.08 (0.07) | |||
| i magnitude | 15.43 (0.004) | 15.33 (0.2) | |||
| z magnitude | 15.74 (0.006) | ||||
| G magnitude | 14.90 (0.003) | 14.91 (0.0004) | 14.90 (0.003) | ||
| BP magnitude | 14.77 (0.003) | 14.72 (0.005) | |||
| RP magnitude | 15.15 (0.004) | 15.14 (0.002) | |||
| Pan g magnitude | 14.73 (0.0008) | ||||
| Pan r magnitude | 15.14 (0.003) | ||||
| Pan i magnitude | 15.48 (0.002) | ||||
| Pan z magnitude | 15.76 (0.005) | ||||
| Pan y magnitude | 15.91 (0.007) | ||||
| E(B-V) | 0.024 | ||||
* 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.