SDSS J161947.77-003736.6
All names: Gaia EDR3 4407249840044108288, SDSS J161947.77-003736.6, Gaia DR2 4407249840044108288, SDSS J161947.78-003736.6, GALEX J161947.7-003736, Gaia DR3 4407249840044108288, USNO-A2.0 0825-09276261, SDSS J161947.78-003736.7
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Harris et al. 2003 | Vincent et al. 2024 | Simbad | Eisenstein et al. 2006 | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 19 47.77 (0.1) | 16 19 47.77 | 16 19 47.77 (0.2) | 16 19 47.77 | 16 19 47.77 (0.1) | 16 19 47.77 | 16 19 47.78 | |||||||
| Declination | -00 37 36.69 (0.09) | -00 37 36.63 | -00 37 36.69 (0.1) | -00 37 36.69 | -00 37 36.64 (0.09) | -00 37 36.64 | -00 37 36.65 | |||||||
| Spectral type | sdB:-He | sdB:-He | sdB:-He | DA: | DAB | SDB | DC:DA: | DA | ||||||
| Effective temperature | [K] | 10057.0 | 10192.0 | 11762.0 (363) | 13578.0 (132) | 12916.0 (232) | ||||||||
| log(g) | [cgs] | 7.98 | 7.93 | 8.20 (0.04) | 8.97 (0.04) | 8.89 (0.2) | ||||||||
| Mass | [M☉] | 0.59 | 0.54 | 0.729 (0.04) | ||||||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 0.5801 | 0.5398 | |||||||||||
| log(H/He) | ||||||||||||||
| log(C/He) | ||||||||||||||
| log(Ca/He) | ||||||||||||||
| log(Ca/H) | ||||||||||||||
| Parallax | [mas] | 6.80 (0.1) | 6.79 (0.2) | 6.80 | 6.80 (0.1) | |||||||||
| Distance | [pc] | 147.08 (3) | 147.19 (5) | 147.08 | 147.08 (3) | |||||||||
| Composition | ||||||||||||||
| Proper motion (right ascension) | [mas/yr] | -4.74297329 (0.1) | -4.899894688 (0.4) | -4.743 (0.1) | ||||||||||
| Proper motion (declination) | [mas/yr] | -3.486900358 (0.1) | -3.494477643 (0.3) | -3.487 (0.1) | ||||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | 17.60 (0.3) | |||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | 18.30 (0.3) | |||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | ||||||||||||||
| H magnitude | ||||||||||||||
| K magnitude | ||||||||||||||
| u magnitude | 17.97 (0.01) | 18.04 | 17.97 (0.01) | 18.07 (0.02) | 17.98 (0.02) | |||||||||
| g magnitude | 17.88 (0.006) | 17.96 | 17.88 (0.006) | 17.97 (0.01) | 17.93 (0.01) | |||||||||
| r magnitude | 18.06 (0.007) | 18.06 | 18.06 (0.007) | 18.07 (0.01) | 18.05 (0.01) | |||||||||
| i magnitude | 18.17 (0.008) | 18.21 | 18.17 (0.008) | 18.21 (0.01) | 18.20 (0.01) | |||||||||
| z magnitude | 18.40 (0.02) | 18.36 | 18.41 (0.03) | 18.36 (0.03) | 18.36 (0.03) | |||||||||
| G magnitude | 17.94 (0.01) | 17.97 | 17.94 | 17.94 (0.003) | ||||||||||
| BP magnitude | 17.95 (0.01) | 17.91 | ||||||||||||
| RP magnitude | 17.87 (0.03) | 17.87 | ||||||||||||
| Pan g magnitude | 17.94 (0.006) | |||||||||||||
| Pan r magnitude | 18.06 (0.003) | |||||||||||||
| Pan i magnitude | 18.21 (0.004) | |||||||||||||
| Pan z magnitude | 18.37 (0.009) | |||||||||||||
| Pan y magnitude | 18.45 (0.02) | |||||||||||||
| E(B-V) | 0.078 | |||||||||||||
* Constant surface field
Special notes:
Spectra
Controls
Normalize at:
Normalize by mean flux
Range:
x:
to
y:
to
Spectra available:
Spectra without link are available upon request
Absorption lines
Photometric filters
BVRI
ugriz
Photometric fit
