All names: UCAC2 43942934, SDSS J061937.90+343031.4, GALEXJ06196+3430, GALEX J061937.8+343030, TIC 138180017, WISEA J061937.90+343031.3, Gaia DR3 3440582134847479680, LAMOST J061938.02+343030.9, WISE J061937.91+343031.4, 2MASS J06193789+3430316, LAMOST J061937.91+343031.3, UCAC4 623-032761, Gaia DR2 3440582134847479680
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 06 19 37.81 | 06 19 37.90 (0.02) | ||
| Declination | 34 30 30.44 | 34 30 31.63 (0.02) | ||
| Spectral type | sdO | sdO | ||
| Effective temperature | [K] | 49063.0 (432) | ||
| log(g) | [cgs] | 4.99 (0.01) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.41 (0.05) | 0.46 (0.02) | |
| Distance | [pc] | 2446.18 (322) | 2183.88 (107) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 16.671 (0.07) | 16.554 (0.02) | |
| Proper motion (declination) | [mas/yr] | -22.732 (0.06) | -22.872 (0.02) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 13.22 (0.04) | |||
| V magnitude | 13.17 (0.05) | |||
| R magnitude | 13.31 (0.08) | |||
| I magnitude | ||||
| J magnitude | 13.23 (0.02) | 13.23 (0.02) | ||
| H magnitude | 13.27 (0.03) | 13.27 (0.03) | ||
| K magnitude | 13.27 (0.03) | 13.27 (0.03) | ||
| u magnitude | 13.88 (0.006) | |||
| g magnitude | 13.45 (0.002) | 13.13 (0.03) | ||
| r magnitude | 13.42 (0.003) | 13.28 (0.05) | ||
| i magnitude | 13.66 (0.002) | 13.46 (0.03) | ||
| z magnitude | 13.91 (0.007) | |||
| G magnitude | 13.17 (0.0009) | 13.15 (0.003) | ||
| BP magnitude | 13.09 (0.008) | |||
| RP magnitude | 13.14 (0.004) | |||
| Pan g magnitude | 13.02 | |||
| Pan r magnitude | 13.30 | |||
| Pan i magnitude | 13.51 (0.001) | |||
| Pan z magnitude | 13.64 (0.002) | |||
| Pan y magnitude | 13.75 (0.002) | |||
| E(B-V) | 0.282 | |||
* 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.