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| Query : 2007AJ....133.1302M |
2007AJ....133.1302M - Astron. J., 133, 1302-1306 (2007/April-0)
A period study of the eclipsing binary U Sagittae.
MANZOORI D. and GOZALIASL G.
Abstract (from CDS):
The O-C curve of the eclipsing binary U Sagittae was analyzed using the Kalimeris method. A period decrease was indicated by this curve. The observed period P(E) and its rate of change dP/dE as a function of time were calculated. To reveal any cyclic period variations, the P(E) function was subjected to Fourier analysis. A cyclic period change of 9.5 yr duration with amplitude ΔP=6.385x10–6 days was obtained. The mass transfer rate for the system was calculated, and these results have been used to discuss period variability.
Abstract Copyright: ∼
Journal keyword(s): Stars: Binaries: Eclipsing - Stars: Individual: Constellation Name: U Sagittae
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* RW Tau | Be* | 04 03 54.3161404416 | +28 07 33.494136636 | 8.130 | 8.08 | 8.76 | B8Ve+K0IV | 270 | 0 | ||
| 2 | * U Sge | SB* | 19 18 48.4082723376 | +19 36 37.722978540 | 6.23 | 6.61 | 6.58 | B7III+K1III | 385 | 0 | ||
| 3 | V* SW Cyg | SB* | 20 06 57.9309043632 | +46 17 58.151017284 | 9.57 | 9.35 | A2 | 172 | 0 |
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