All names: 2MASS J03174633+1813181, Gaia EDR3 56105192148111616, WISEA J031746.32+181318.0, LAMOST J031746.33+181317.9, TIC 5550208, WISE J031746.32+181318.1, SDSS J031746.33+181317.9, Gaia DR2 56105192148111616, GALEX J031746.3+181317, PG 0314+180, Gaia DR3 56105192148111616, UCAC4 542-006129, UCAC2 38197578, PG0314+180, SDSS J031746.33+181318.0
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 03 17 46.33 (0.03) | 03 17 46.35 | 03 17 46.33 (0.03) | ||
| Declination | 18 13 18.03 (0.03) | 18 13 18.06 | 18 13 18.04 (0.03) | ||
| Spectral type | sdO | sdO3VIIIpHe1 | |||
| 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] | 1.14 (0.04) | 1.28 (0.07) | 1.14 (0.04) | |
| Distance | [pc] | 874.43 (28) | 780.03 (44) | 874.43 (28) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -5.643 (0.04) | -5.83 (0.2) | -5.643 (0.04) | |
| Proper motion (declination) | [mas/yr] | -0.169 (0.04) | -0.221 (0.1) | -0.169 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.12 (0.04) | ||||
| V magnitude | 14.22 (0.02) | ||||
| R magnitude | 14.56 (0.07) | ||||
| I magnitude | |||||
| J magnitude | 14.72 (0.03) | 14.72 (0.03) | |||
| H magnitude | 14.66 (0.05) | 14.66 (0.05) | |||
| K magnitude | 14.99 (0.1) | 14.99 (0.1) | |||
| u magnitude | 13.65 (0.003) | ||||
| g magnitude | 14.06 (0.03) | ||||
| r magnitude | 14.38 (0.003) | 14.41 (0.01) | |||
| i magnitude | 14.69 (0.004) | 14.72 (0.09) | |||
| z magnitude | 14.98 (0.005) | ||||
| G magnitude | 14.19 (0.003) | 14.20 (0.0008) | 14.19 (0.003) | ||
| BP magnitude | 14.06 (0.003) | 14.02 (0.01) | |||
| RP magnitude | 14.40 (0.004) | 14.39 (0.003) | |||
| Pan g magnitude | 14.07 (0.002) | ||||
| Pan r magnitude | 14.42 (0.002) | ||||
| Pan i magnitude | 14.74 (0.003) | ||||
| Pan z magnitude | 14.99 (0.004) | ||||
| Pan y magnitude | 15.15 (0.008) | ||||
| E(B-V) | 0.129 | ||||
* 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.