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| Query : 2014A&A...566A.124L |
2014A&A...566A.124L - Astronomy and Astrophysics, volume 566A124-124 (2014/6-1)
Low-amplitude and long-period radial velocity variations in giants HD 3574, 63 Cygni, and HD 216946.
LEE B.-C., HAN I., PARK M.-G., HATZES A.P. and KIM K.-M.
Abstract (from CDS):
We study the low-amplitude and long-period variations in evolved stars using precise radial velocity measurements. The high-resolution, fiber-fed Bohyunsan Observatory Echelle Spectrograph (BOES) was used from September 2004 to May 2014 as part of the exoplanet search program at the Bohyunsan Optical Astronomy Observatory (BOAO). We report the detection of low-amplitude and long-period orbital radial velocity variations in three evolved stars, HD 3574, 63 Cyg, and HD 216946. They have periods of 1061, 982, and 1382 days and semi-amplitudes of 376, 742, and 699 m/s, respectively.
Abstract Copyright: ∼
Journal keyword(s): brown dwarfs - stars: late-type - techniques: radial velocities - stars: individual: HD 3574 - stars: individual: 63 Cygni - stars: individual: HD 216946
Simbad objects: 10
| Number of rows : 10 |
| 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 | HD 3574 | * | 00 39 09.8940906336 | +49 21 16.517849688 | 7.072 | 5.419 | K5III | 56 | 0 | |||
| 2 | * tau Cet | PM* | 01 44 04.0831371922 | -15 56 14.927607677 | 4.43 | 4.22 | 3.50 | 2.88 | 2.41 | G8V | 1354 | 1 |
| 3 | * alf UMi | cC* | 02 31 49.09456 | +89 15 50.7923 | 3.00 | 2.62 | 2.02 | 1.53 | 1.22 | F8Ib | 716 | 2 |
| 4 | * alf Per | V* | 03 24 19.3700924 | +49 51 40.245455 | 2.64 | 2.27 | 1.79 | F5Ib | 870 | 1 | ||
| 5 | V* V410 Tau | Or* | 04 18 31.1081296680 | +28 27 16.155955728 | 12.13 | 10.75 | 8.45 | 9.408 | K3Ve | 483 | 0 | |
| 6 | * alf Ori | s*r | 05 55 10.30536 | +07 24 25.4304 | 4.38 | 2.27 | 0.42 | -1.17 | -2.45 | M1-M2Ia-Iab | 1789 | 0 |
| 7 | V* BC Cyg | s*r | 20 21 38.5478957040 | +37 31 58.925226936 | 14.61 | 11.30 | M3.5Ia | 171 | 0 | |||
| 8 | * f02 Cyg | * | 21 06 36.0934336570 | +47 38 54.252204111 | 6.079 | 4.514 | K4Ib-IIa | 118 | 0 | |||
| 9 | * mu. Cep | s*r | 21 43 30.4595558543 | +58 46 48.165937434 | 8.85 | 6.43 | 4.08 | 1.98 | 0.22 | M2-Ia | 695 | 1 |
| 10 | V* V424 Lac | s*r | 22 56 25.9983901008 | +49 44 00.758688324 | 8.66 | 6.71 | 4.94 | 3.59 | 2.54 | K5Ib | 166 | 0 |
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