All names: LAMOST J140317.14+283929.2, Gaia DR3 1452740084776034944, [SDS2012] NGC 5466 1, UCAC2 41891881, Gaia DR2 1452740084776034944, PG1401+289, Balloon 82700003, 2MASS J14031715+2839295, TIC 28188904, PG 1401+289
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 14 03 17.15 | 14 03 17.14 (0.03) | ||
| Declination | 28 39 30.05 | 28 39 29.35 (0.03) | ||
| Spectral type | He-sdO | sdOC7VIIHe40 | ||
| Effective temperature | [K] | 51675.0 (206) | ||
| log(g) | [cgs] | 6.01 (0.03) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.52 (0.05) | 0.50 (0.04) | |
| Distance | [pc] | 1906.94 (200) | 1994.02 (166) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -4.306 (0.09) | -4.241 (0.04) | |
| Proper motion (declination) | [mas/yr] | -12.873 (0.09) | -13.016 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.87 | |||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 15.54 (0.06) | 15.54 (0.06) | ||
| H magnitude | 15.74 (0.1) | 15.74 (0.1) | ||
| K magnitude | 15.51 | |||
| u magnitude | 14.20 (0.004) | |||
| g magnitude | 14.59 (0.003) | |||
| r magnitude | 15.11 (0.003) | |||
| i magnitude | 15.47 (0.003) | |||
| z magnitude | 15.80 (0.006) | |||
| G magnitude | 14.85 (0.0008) | 14.83 (0.003) | ||
| BP magnitude | 14.58 (0.01) | |||
| RP magnitude | 15.16 (0.003) | |||
| Pan g magnitude | 14.67 (0.005) | |||
| Pan r magnitude | 15.11 (0.002) | |||
| Pan i magnitude | 15.49 (0.004) | |||
| Pan z magnitude | 15.79 (0.004) | |||
| Pan y magnitude | 15.98 (0.006) | |||
| E(B-V) | 0.018 | |||
* 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.