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| Query : 2020RNAAS...4..143S |
2020RNAAS...4..143S - Research Notes of the AAS, 4, 143 (2020/August-0)
A Speckle Interferometric Search for a Companion to the RR Lyrae Star UV Oct.
SALINAS R., HAJDU G., PRUDIL Z., HOWELL S. and CATELAN M.
Abstract (from CDS):
We obtained high-resolution, diffraction limited imaging of the candidate binary RR Lyrae UV Oct using Gemini-South/Zorro. We detect no companions between 0.″1 and 1.″2, with a contrast of Δm ∼ 5 mag, placing a mass constraint for any possible main sequence companion of m < 0.67M⊙.
Abstract Copyright: © 2020. The American Astronomical Society. All rights reserved.
Journal keyword(s): RR Lyrae variable stars - Speckle interferometry
Simbad objects: 3
| Number of rows : 3 |
| N | Identifier | Otype |
ICRS (J2000) RA |
ICRS (J2000) DEC |
Mag U | Mag B | Mag V | Mag R | Mag I | Sp type |
#ref
1850 - 2026 |
#notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | V* TU UMa | RR* | 11 29 48.4893885624 | +30 04 02.379416844 | 9.56 | 9.41 | 9.26 | kA2hA9.5 | 246 | 0 | ||
| 2 | * rho Oct | PM* | 15 43 16.9283472840 | -84 27 54.988795584 | 5.676 | 5.568 | 5.76 | A1/2V | 47 | 0 | ||
| 3 | V* UV Oct | RR* | 16 32 25.5361202856 | -83 54 10.495880892 | 9.80 | 9.44 | A8/F0Ia/ab(w) | 133 | 0 |
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