MISCLASSIFIED
MILKY WAY
|
| RY Sct | IRAS 18227-1243 | GSC2.4.2 S9JR001327 | AAVSO 000-BFL-467 |
| SIMBAD V* RY Sct | Pan-STARRS 92772763811692258 | SAO 161458 | VSX 34133 |
| GAIA DR3 4152599133132654720 | SkyMapper 182531.46-124124.1 | WRAY - | GCVS RY Sct |
| 2MASS J18253147-1241241 | HIP 90303 | Hen 3-1694 | BD -12 5045 |
| WISE J182531.48-124124.0 | TYC 5698-2356-1 | ESO - | HD 169515 |
| Bidelman (1954) | - | Allen (1984) | - | Belzcyński et al. (2001) | - |
| Gaposchkin (1957) | - | Kenyon (1986) | - | Akras et al. (2019) | - |
| Boyarchuk (1969) | - | Vaidis (1988, 1991) | RY Sct (Susp.) |
| Right ascension (°) | 276.3812Ref | Parallax (mas) | 0.475±0.022Ref | Reddening E(B-V) (mag) | 16.97±0.54Ref, Note |
| Declination (°) | -12.6901Ref | Distance (kpc) | 1.96Ref, Note, 1.96Ref, Note | ||
| Galactic longitude (°) | 18.7086Ref | Proper motion in α (mas/yr) | -0.33±0.02Ref | ||
| Galactic latitude (°) | -0.1265Ref | Proper motion in δ (mas/yr) | -2.03±0.02Ref |
First mentioned as a probable symbiotic star by Tifft & Greenstein (1958), this star later appeared in the list of symbiotic stars observed by Swings & Allen (1972) and was also included in the catalog of suspected symbiotic stars by Vaidis (1988). However, RY Sct belongs to the class of W Ser massive binaries and was subsequently classified as a blue supergiant eclipsing binary system in Smith et al. (2011), with component masses of 8 and 30 M☉. The classification as a classical Cepheid in Jayasinghe et al. (2019) appears to be incorrect.