All names: TIC 219064250, SBSS 1353+538, UCAC4 718-054126, 2MASS J13551591+5334424, Gaia DR3 1561116845686660352, SDSS J135515.90+533442.5, WISEA J135515.90+533442.6, SBSS1353+538, WISE J135515.91+533442.6, Gaia DR2 1561116845686660352
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 13 55 15.88 | 13 55 15.91 (0.02) | ||
| Declination | 53 34 42.09 | 53 34 42.49 (0.02) | ||
| Spectral type | sdB | sdOA | ||
| 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] | 0.94 (0.04) | 1.04 (0.03) | |
| Distance | [pc] | 1064.40 (45) | 963.21 (24) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -10.284 (0.06) | -10.331 (0.03) | |
| Proper motion (declination) | [mas/yr] | 12.529 (0.06) | 12.489 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 12.66 (0.06) | |||
| V magnitude | 12.96 (0.02) | |||
| R magnitude | 13.36 (0.08) | |||
| I magnitude | ||||
| J magnitude | 13.53 (0.02) | 13.53 (0.02) | ||
| H magnitude | 13.60 (0.03) | 13.60 (0.03) | ||
| K magnitude | 13.75 (0.06) | 13.75 (0.06) | ||
| u magnitude | 12.99 (0.003) | 13.27 (0.004) | ||
| g magnitude | 12.90 (0.001) | 12.88 (0.001) | ||
| r magnitude | 13.41 (0.005) | 13.47 (0.005) | ||
| i magnitude | 13.75 (0.002) | 13.73 (0.002) | ||
| z magnitude | 13.97 (0.005) | 14.04 (0.005) | ||
| G magnitude | 13.01 (0.0008) | 12.99 (0.003) | ||
| BP magnitude | 12.82 (0.005) | |||
| RP magnitude | 13.23 (0.002) | |||
| Pan g magnitude | 13.01 | |||
| Pan r magnitude | 13.38 | |||
| Pan i magnitude | 13.61 (0.008) | |||
| Pan z magnitude | 13.84 (0.003) | |||
| Pan y magnitude | 13.99 (0.005) | |||
| E(B-V) | 0.019 | |||
* 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.