All names: SDSSJ152833.15+440009.6, TIC 116414335, 2MASS J15283315+4400098, Gaia DR2 1394500362602477184, SDSS J152833.15+440009.7, Gaia EDR3 1394500362602477184, SDSS J152833.15+440009.6, [BGK2006] J152833.16+440009.8, GALEX J152833.2+440010, Gaia DR3 1394500362602477184
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Geier 2020 | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 28 33.15 (0.04) | 15 28 33.16 | 15 28 33.16 | 15 28 33.15 (0.05) | 15 28 33.16 (0.04) | 15 28 33.16 | |||
| Declination | 44 00 09.71 (0.05) | 44 00 09.69 | 44 00 09.68 | 44 00 09.71 (0.06) | 44 00 09.71 (0.05) | 44 00 09.75 | |||
| Spectral type | sdB | sdB | SD_auto | ||||||
| Effective temperature | [K] | 17131.0 (116) | |||||||
| log(g) | [cgs] | 5.00 (0.002) | |||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.02 (0.05) | -0.02 (0.06) | -0.02 (0.06) | 0.02 (0.05) | ||||
| Distance | [pc] | 65532.86 (222273) | 65359.48 (221282) | ||||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -4.1429323 (0.05) | -4.267 (0.1) | -4.267235024 (0.1) | -4.143 (0.05) | -1.7 | |||
| Proper motion (declination) | [mas/yr] | -0.094811231 (0.07) | -0.093 (0.1) | -0.092619605 (0.1) | -0.095 (0.07) | -0.6 | |||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 16.70 (0.1) | 16.70 (0.1) | |||||||
| H magnitude | 16.57 | ||||||||
| K magnitude | 15.81 | ||||||||
| u magnitude | 17.36 (0.009) | 17.36 (0.009) | 17.36 (0.009) | 17.32 (0.01) | |||||
| g magnitude | 16.72 (0.004) | 16.72 (0.004) | 16.72 (0.004) | 16.75 (0.03) | |||||
| r magnitude | 17.03 (0.005) | 17.03 (0.005) | 17.03 (0.005) | 17.03 (0.01) | |||||
| i magnitude | 17.28 (0.006) | 17.28 (0.006) | 17.28 (0.006) | 17.28 (0.02) | |||||
| z magnitude | 17.46 (0.01) | 17.46 (0.01) | 17.44 (0.01) | 17.44 (0.02) | |||||
| G magnitude | 16.90 (0.005) | 16.92 (0.001) | 16.92 | 16.90 (0.003) | |||||
| BP magnitude | 16.88 (0.005) | 16.85 (0.006) | 16.85 | ||||||
| RP magnitude | 16.95 (0.008) | 16.95 (0.007) | 16.95 | ||||||
| Pan g magnitude | 16.79 (0.005) | 16.79 (0.005) | |||||||
| Pan r magnitude | 17.05 (0.004) | 17.05 (0.004) | |||||||
| Pan i magnitude | 17.30 (0.004) | 17.30 (0.004) | |||||||
| Pan z magnitude | 17.46 (0.006) | 17.46 (0.006) | |||||||
| Pan y magnitude | 17.56 (0.009) | 17.56 (0.009) | |||||||
| E(B-V) | 0.021 | ||||||||
* 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.