All names: UCAC4 384-057710, 2MASS J10405290-1317338, EC 10384-1301, Gaia EDR3 3751263301486144128, GALEX J104052.9-131734, EC10384-1301, Gaia DR3 3751263301486144128, Gaia DR2 3751263301486144128, TIC 391825813
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 10 40 52.90 (0.05) | 10 40 52.88 | 10 40 52.91 (0.05) | ||
| Declination | -13 17 34.07 (0.05) | -13 17 33.20 | -13 17 34.07 (0.05) | ||
| Spectral type | sdOB | sdOB | |||
| 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] | 0.67 (0.06) | 0.16 (0.2) | 0.67 (0.06) | |
| Distance | [pc] | 1499.93 (127) | 6257.82 (6121) | 1499.93 (127) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -9.692 (0.06) | -9.492 (0.2) | -9.692 (0.06) | |
| Proper motion (declination) | [mas/yr] | -0.102 (0.06) | 0.143 (0.2) | -0.102 (0.06) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.44 (0.01) | ||||
| V magnitude | 15.70 (0.07) | ||||
| R magnitude | 15.99 (0.05) | ||||
| I magnitude | |||||
| J magnitude | 16.46 (0.1) | 16.46 (0.1) | |||
| H magnitude | 16.17 (0.2) | 16.17 (0.2) | |||
| K magnitude | 15.62 | ||||
| u magnitude | |||||
| g magnitude | 15.45 (0.01) | ||||
| r magnitude | 15.98 (0.02) | ||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 15.65 (0.003) | 15.67 (0.001) | 15.65 (0.003) | ||
| BP magnitude | 15.51 (0.004) | 15.47 (0.01) | |||
| RP magnitude | 15.94 (0.009) | 15.94 (0.004) | |||
| Pan g magnitude | 15.49 (0.003) | ||||
| Pan r magnitude | 15.90 (0.002) | ||||
| Pan i magnitude | 16.27 (0.009) | ||||
| Pan z magnitude | 16.54 (0.008) | ||||
| Pan y magnitude | 16.73 (0.006) | ||||
| E(B-V) | 0.038 | ||||
* 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.