All names: Gaia DR2 1211503282272546432, LAMOST J151107.07+173215.2, SDSS J151107.07+173215.26, TIC 98507905, GALEX J151107.1+173215, Gaia EDR3 1211503282272546432, 2MASS J15110706+1732152, PG1508+177, Gaia DR3 1211503282272546432, PG 1508+177, SDSS J151107.06+173215.2, WISEA J151107.06+173215.2, SDSS J151107.07+173215.2, UCAC4 538-057159, WISE J151107.07+173215.3
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Geier 2020 | Gaia DR2 | Stilism | Kepler et al. 2016 | Simbad |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 11 07.06 (0.03) | 15 11 07.07 | 15 11 07.09 | 15 11 07.06 (0.05) | 15 11 07.07 (0.03) | ||||
| Declination | 17 32 15.25 (0.03) | 17 32 15.23 | 17 32 15.60 | 17 32 15.25 (0.04) | 17 32 15.32 (0.03) | ||||
| Spectral type | sdB+K1 | sdB | sdB+F6V | ||||||
| Effective temperature | [K] | 30239.0 (163) | |||||||
| log(g) | [cgs] | 5.25 (0.03) | |||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.42 (0.04) | 0.37 (0.06) | 0.37 (0.06) | 0.42 (0.04) | ||||
| Distance | [pc] | 2357.09 (249) | 2681.68 (449) | 2681.68 (449) | 2356.82 (249) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -4.295946372 (0.04) | -4.595 (0.1) | -4.595 (0.1) | -4.296 (0.04) | ||||
| Proper motion (declination) | [mas/yr] | -4.334149308 (0.04) | -4.156 (0.1) | -4.156 (0.1) | -4.334 (0.04) | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 16.27 (0.02) | ||||||||
| V magnitude | 16.24 (0.1) | ||||||||
| R magnitude | 16.16 (0.3) | ||||||||
| I magnitude | |||||||||
| J magnitude | 15.80 (0.06) | 15.80 (0.06) | |||||||
| H magnitude | 15.56 (0.1) | 15.56 (0.1) | |||||||
| K magnitude | 15.53 (0.2) | 15.53 (0.2) | |||||||
| u magnitude | 16.13 (0.006) | 16.12 (0.006) | 16.12 (0.01) | 16.12 (0.006) | |||||
| g magnitude | 16.10 (0.004) | 16.09 (0.004) | 16.11 (0.01) | 16.09 (0.004) | |||||
| r magnitude | 16.27 (0.004) | 16.27 (0.004) | 16.27 (0.02) | 16.27 (0.004) | |||||
| i magnitude | 16.39 (0.005) | 16.38 (0.005) | 16.40 (0.03) | 16.38 (0.005) | |||||
| z magnitude | 16.47 (0.008) | 16.47 (0.008) | 16.49 (0.02) | 16.47 (0.008) | |||||
| G magnitude | 16.15 (0.003) | 16.18 (0.001) | 16.18 | 16.15 (0.003) | |||||
| BP magnitude | 16.18 (0.003) | 16.15 (0.006) | 16.15 | ||||||
| RP magnitude | 16.06 (0.003) | 16.06 (0.003) | 16.06 | ||||||
| Pan g magnitude | 16.16 (0.003) | 16.16 (0.003) | |||||||
| Pan r magnitude | 16.29 (0.002) | 16.29 (0.002) | |||||||
| Pan i magnitude | 16.41 (0.002) | 16.41 (0.002) | |||||||
| Pan z magnitude | 16.50 (0.002) | 16.50 (0.002) | |||||||
| Pan y magnitude | 16.53 (0.009) | 16.53 (0.009) | |||||||
| E(B-V) | 0.038 | ||||||||
* 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.