All names: HZ3, Cl* Melotte 25 HZ 3, PLX 856.01, GSC 00661-01005, HZ 3, 2MASS J03533132+1045041, Gaia DR2 3303143628052101120, Gaia DR3 3303143628052101120, KUV 03508+1036, FB 31, LAMOST J035331.32+104504.0, TIC 345457336
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 03 53 31.30 | 03 53 31.33 (0.05) | ||
| Declination | 10 45 04.43 | 10 45 04.06 (0.04) | ||
| Spectral type | He-sdOB | sdO6He | ||
| Effective temperature | [K] | 42400.0 (230) | ||
| log(g) | [cgs] | 5.70 (0.05) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 2.49 (0.08) | 2.22 (0.06) | |
| Distance | [pc] | 402.28 (13) | 449.86 (11) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 9.117 (0.2) | 9.622 (0.06) | |
| Proper motion (declination) | [mas/yr] | -0.671 (0.1) | -0.286 (0.05) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 12.80 | |||
| V magnitude | 12.86 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 13.24 (0.02) | 13.24 (0.02) | ||
| H magnitude | 13.36 (0.04) | 13.36 (0.04) | ||
| K magnitude | 13.45 (0.03) | 13.45 (0.03) | ||
| u magnitude | 13.44 (0.005) | |||
| g magnitude | 12.98 (0.001) | |||
| r magnitude | ||||
| i magnitude | 15.03 (0.01) | |||
| z magnitude | 13.91 (0.006) | |||
| G magnitude | 12.83 (0.0006) | 12.80 (0.003) | ||
| BP magnitude | 12.65 (0.007) | |||
| RP magnitude | 12.98 (0.002) | |||
| Pan g magnitude | 12.63 | |||
| Pan r magnitude | 13.03 | |||
| Pan i magnitude | 13.31 | |||
| Pan z magnitude | 13.56 (0.002) | |||
| Pan y magnitude | 13.74 (0.004) | |||
| E(B-V) | 0.197 | |||
* 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.