All names: USNO-B1.0 1236-00189815, SDSSJ094856.95+334151.0, SDSS J094856.95+334151.0, CBS 109, SDSS J094856.96+334150.9, Ton 1100, Gaia DR3 793720783914955392, GALEX J094857.0+334150, Gaia DR2 793720783914955392, LAMOST J094856.95+334151.0, SDSS J094856.95+334150.9, KUV 09460+3356, SDSS J094856.96+334150.8
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 09 48 56.95 | 09 48 56.96 (0.08) | ||
| Declination | 33 41 51.00 | 33 41 51.04 (0.06) | ||
| Spectral type | He-sdO | sdOHe | ||
| Effective temperature | [K] | 51000.0 (1200) | ||
| log(g) | [cgs] | 5.87 (0.1) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.12 (0.2) | 0.12 (0.2) | |
| Distance | [pc] | 8403.36 (13382) | 8403.36 (13382) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -5.279 (0.2) | -5.378 (0.1) | |
| Proper motion (declination) | [mas/yr] | -13.007 (0.2) | -12.753 (0.07) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 17.00 | |||
| V magnitude | ||||
| R magnitude | 18.10 | |||
| I magnitude | ||||
| J magnitude | ||||
| H magnitude | ||||
| K magnitude | ||||
| u magnitude | 16.97 (0.008) | 16.97 (0.008) | ||
| g magnitude | 17.38 (0.005) | 17.38 (0.005) | ||
| r magnitude | 17.94 (0.007) | 17.94 (0.007) | ||
| i magnitude | 18.29 (0.009) | 18.29 (0.009) | ||
| z magnitude | 18.64 (0.04) | 18.64 (0.04) | ||
| G magnitude | 17.69 (0.002) | 17.67 (0.003) | ||
| BP magnitude | 17.40 (0.01) | |||
| RP magnitude | 17.97 (0.02) | |||
| Pan g magnitude | 17.48 (0.003) | |||
| Pan r magnitude | 17.94 (0.006) | |||
| Pan i magnitude | 18.33 (0.007) | |||
| Pan z magnitude | 18.61 (0.01) | |||
| Pan y magnitude | 18.77 (0.02) | |||
| 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.