All names: Gaia DR3 345949758745792000, 2MASS J01554897+4132562, UCAC4 658-007888, Gaia EDR3 345949758745792000, LAMOSTJ015548.96+413256.1, LAMOST J015548.95+413256.1, Gaia DR2 345949758745792000
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 01 55 48.95 (0.04) | 01 55 48.95 | 01 55 48.96 (0.04) | ||
| Declination | 41 32 56.16 (0.04) | 41 32 56.16 | 41 32 56.19 (0.04) | ||
| Spectral type | sdOB | sdO | |||
| Effective temperature | [K] | 37560.0 (180) | |||
| log(g) | [cgs] | 5.69 (0.03) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.68 (0.05) | 0.52 (0.07) | 0.68 (0.05) | |
| Distance | [pc] | 1473.62 (101) | 1939.86 (272) | 1473.62 (101) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -6.165 (0.05) | -6.141 (0.1) | -6.165 (0.05) | |
| Proper motion (declination) | [mas/yr] | -1.871 (0.06) | -1.553 (0.1) | -1.871 (0.06) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.59 (0.03) | ||||
| V magnitude | 15.68 (0.02) | ||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 16.27 (0.1) | 16.27 (0.1) | |||
| H magnitude | 16.18 | ||||
| K magnitude | 17.39 | ||||
| u magnitude | |||||
| g magnitude | 15.60 (0.02) | ||||
| r magnitude | 16.02 (0.07) | ||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 15.72 (0.003) | 15.74 (0.002) | 15.72 (0.003) | ||
| BP magnitude | 15.57 (0.005) | 15.52 (0.01) | |||
| RP magnitude | 15.98 (0.006) | 15.99 (0.004) | |||
| Pan g magnitude | 15.55 (0.002) | ||||
| Pan r magnitude | 15.96 (0.002) | ||||
| Pan i magnitude | 16.32 (0.002) | ||||
| Pan z magnitude | 16.59 (0.004) | ||||
| Pan y magnitude | 16.79 (0.007) | ||||
| E(B-V) | 0.055 | ||||
* 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.