All names: LB 1741, TIC 259392878, USNO-A1.0 0300-01393445, Gaia DR2 4777646032942511872, [BBW2000] FD 61, Gaia DR3 4777646032942511872, LB1741, TYC 8509-1529-1, FAUST 572, EC 04351-5349, 2MASS J04361522-5343345
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 04 36 15.22 | 04 36 15.23 (0.04) | ||
| Declination | -53 43 34.39 | -53 43 34.48 (0.05) | ||
| Spectral type | He-sdO | sdO9VIIHe39 | ||
| 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] | 1.69 (0.06) | 1.69 (0.05) | |
| Distance | [pc] | 591.58 (22) | 590.53 (16) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 5.591 (0.1) | 5.355 (0.05) | |
| Proper motion (declination) | [mas/yr] | -0.709 (0.2) | -0.878 (0.07) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 12.22 (0.1) | |||
| V magnitude | 12.41 (0.2) | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 12.99 (0.02) | 12.99 (0.02) | ||
| H magnitude | 12.90 (0.02) | 12.90 (0.02) | ||
| K magnitude | 12.94 (0.03) | 12.94 (0.03) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 12.49 (0.0005) | 12.47 (0.003) | ||
| BP magnitude | 12.23 (0.009) | |||
| RP magnitude | 12.77 (0.002) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.013 | |||
* 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.