All names: SDSSJ104838.82+315405.8, 2MASS J10483881+3154057, Gaia DR3 737502337773847040, GALEX J104838.8+315405, Gaia DR2 737502337773847040, UCAC4 610-047196, SDSS J104838.82+315405.8
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 10 48 38.82 | 10 48 38.83 (0.03) | ||
| Declination | 31 54 05.80 | 31 54 05.87 (0.03) | ||
| Spectral type | sdOB+MS | sdOB+? | ||
| 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] | 0.25 (0.08) | 0.21 (0.05) | |
| Distance | [pc] | 3968.25 (1310) | 4826.25 (1085) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -11.423 (0.1) | -11.533 (0.04) | |
| Proper motion (declination) | [mas/yr] | -11.145 (0.1) | -11.255 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 16.25 (0.05) | |||
| V magnitude | 16.02 (0.01) | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 15.39 (0.06) | 15.39 (0.06) | ||
| H magnitude | 15.05 (0.07) | 15.05 (0.07) | ||
| K magnitude | 15.05 (0.1) | 15.05 (0.1) | ||
| u magnitude | 16.26 (0.006) | 16.26 (0.006) | ||
| g magnitude | 15.96 (0.003) | 16.08 (0.01) | ||
| r magnitude | 15.95 (0.004) | 16.11 (0.01) | ||
| i magnitude | 15.97 (0.004) | 15.97 (0.004) | ||
| z magnitude | 16.04 (0.007) | 16.04 (0.007) | ||
| G magnitude | 15.91 (0.001) | 15.89 (0.003) | ||
| BP magnitude | 16.00 (0.008) | |||
| RP magnitude | 15.66 (0.004) | |||
| Pan g magnitude | 15.99 (0.005) | |||
| Pan r magnitude | 15.97 (0.005) | |||
| Pan i magnitude | 16.00 (0.002) | |||
| Pan z magnitude | 16.05 (0.003) | |||
| Pan y magnitude | 16.07 (0.005) | |||
| E(B-V) | 0.020 | |||
* 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.