All names: USNO-B1.0 1215-00226396, WISEA J144821.71+313106.6, CSO 1068, CSO1068, TIC 9039290, Gaia DR2 1283389867897035392, Gaia DR3 1283389867897035392, 2MASS J14482172+3131064, SDSS J144821.72+313106.5, GALEX J144821.7+313106, LAMOST J144821.75+313106.3, WISE J144821.72+313106.7
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 14 48 21.91 | 14 48 21.72 (0.02) | ||
| Declination | 31 31 09.69 | 31 31 06.52 (0.03) | ||
| Spectral type | sdB+MS | sdOB+F6V | ||
| 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] | 0.19 (0.05) | 0.23 (0.04) | |
| Distance | [pc] | 5208.33 (1427) | 4258.94 (707) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -9.447 (0.05) | -9.394 (0.02) | |
| Proper motion (declination) | [mas/yr] | -3.666 (0.09) | -3.56 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 16.30 | |||
| V magnitude | ||||
| R magnitude | 16.10 | |||
| I magnitude | ||||
| J magnitude | 15.67 (0.06) | 15.67 (0.06) | ||
| H magnitude | 15.52 (0.09) | 15.52 (0.09) | ||
| K magnitude | 15.87 (0.3) | 15.87 (0.3) | ||
| u magnitude | 16.44 (0.006) | 16.44 (0.006) | ||
| g magnitude | 16.30 (0.003) | 16.30 (0.003) | ||
| r magnitude | 16.34 (0.004) | 16.34 (0.004) | ||
| i magnitude | 16.37 (0.004) | 16.37 (0.004) | ||
| z magnitude | 16.41 (0.009) | 16.40 (0.009) | ||
| G magnitude | 16.25 (0.0005) | 16.24 (0.003) | ||
| BP magnitude | 16.29 (0.004) | |||
| RP magnitude | 16.04 (0.002) | |||
| Pan g magnitude | 16.32 (0.006) | |||
| Pan r magnitude | 16.33 (0.003) | |||
| Pan i magnitude | 16.38 (0.002) | |||
| Pan z magnitude | 16.44 (0.003) | |||
| Pan y magnitude | 16.46 (0.01) | |||
| E(B-V) | 0.022 | |||
* 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.