All names: LAMOST J002408.46+560138.8, LAMOSTJ002408.46+560139.2, Gaia DR2 421328839978415616, UCAC4 731-003966, Gaia DR3 421328839978415616, 2MASS J00240844+5601394
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 00 24 08.46 | 00 24 08.46 (0.03) | ||
| Declination | 56 01 38.90 | 56 01 39.21 (0.03) | ||
| Spectral type | sdOB | sdOB | ||
| Effective temperature | [K] | 35020.0 (560) | ||
| log(g) | [cgs] | 5.76 (0.1) | ||
| 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) | 0.72 (0.04) | |
| Distance | [pc] | 1492.98 (129) | 1386.39 (78) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -3.387 (0.08) | -3.474 (0.03) | |
| Proper motion (declination) | [mas/yr] | -5.145 (0.07) | -5.066 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 16.41 (0.1) | 16.41 (0.1) | ||
| H magnitude | 16.34 | |||
| K magnitude | 16.16 | |||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 16.18 (0.001) | 16.16 (0.003) | ||
| BP magnitude | 16.12 (0.006) | |||
| RP magnitude | 16.16 (0.004) | |||
| Pan g magnitude | 16.13 (0.002) | |||
| Pan r magnitude | 16.30 (0.003) | |||
| Pan i magnitude | 16.51 (0.002) | |||
| Pan z magnitude | 16.66 (0.005) | |||
| Pan y magnitude | 16.77 (0.005) | |||
| E(B-V) | 0.263 | |||
* 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.