2001ApJ...555..410B

Query : 2001ApJ...555..410B

2001ApJ...555..410B - Astrophys. J., 555, 410-417 (2001/July-1)

Two new planets from the anglo-australian planet search.

BUTLER R.P., TINNEY C.G., MARCY G.W., JONES H.R.A., PENNY A.J. and APPS K.

Abstract (from CDS):

Precise Doppler measurements from the Anglo-Australian Telescope (AAT) UCLES spectrometer reveal periodic Keplerian velocity variations in the stars HD 160691 and HD 27442. HD 160691 has a period of 743 days, a semiamplitude of 54 m.s–1, and a high eccentricity, e=0.62, typical of extrasolar planets orbiting beyond 0.2 AU. The minimum (Msini) mass of the companion is 1.97 MJ, and the semimajor axis is 1.65 AU. HD 27442 has a 415 day period, a semiamplitude of 32 m.s–1, and an eccentricity of 0.058. The minimum mass is 1.43 MJ, and the semimajor axis is 1.18 AU. This is the first extrasolar planet orbiting beyond 0.2 AU that is in a circular orbit similar to solar system planets. The photon-limited precision of AAT/UCLES measurements is 3 m.s–1 as demonstrated by stable stars and Keplerian fits to planet-bearing stars. In addition, we present confirmation of four previously announced planets.

Abstract Copyright: ∼

Journal keyword(s): Stars: Planetary Systems - stars: individual (HD 160691, HD 27442)

Simbad objects: 23

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Number of rows : 23
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 * bet Hyi PM* 00 25 45.07036 -77 15 15.2860 3.52 3.41 2.79 2.28 1.94 G0V 631 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 HD 13445 PM* 02 10 25.9181700303 -50 49 25.465181208   6.945 6.117     K1.5V 484 1
4 * iot Hor PM* 02 42 33.4666679022 -50 48 01.055138166   5.97 5.40     F8V 446 1
5 * e Eri PM* 03 19 55.6509122226 -43 04 11.215188426 5.20 4.98 4.27 3.65 3.25 G6V 501 1
6 * eps Ret PM* 04 16 29.0281470260 -59 18 07.755891304 6.59 5.52 4.44 3.62 3.08 K2III 262 1
7 HD 36108 PM* 05 28 21.0287271720 -22 26 02.124115872   7.36 6.78     F9V 94 0
8 HD 45289 PM* 06 24 24.3502565548 -42 50 51.065558426   7.35 6.67     G2V 159 0
9 HD 75289 PM* 08 47 40.3893739728 -41 44 12.455319264 7.04 6.94 6.36     F9VFe+0.3 295 1
10 HD 105328 PM* 12 07 39.0393163200 -23 58 33.149448912   7.32 6.71     G0V 62 0
11 HD 108309 PM* 12 26 48.1417421363 -48 54 47.499505755   6.94 6.26     G2V 179 0
12 HD 122862 PM* 14 08 27.1634462357 -74 51 01.032946287   6.60 6.02     F9.5V 130 0
13 HD 125072 PM* 14 19 04.8342927813 -59 22 44.536555365   7.69 6.66     K3IV 169 0
14 * 23 Lib PM* 15 13 28.6669233518 -25 18 33.653388418   7.168 6.46 6.43   G6IV-V 332 1
15 HD 144628 PM* 16 09 42.7944501960 -56 26 42.541189576 8.449 7.976 7.124 6.643 6.205 K2V 152 0
16 * mu. Ara PM* 17 44 08.7031414872 -51 50 02.591603160   5.85 5.15     G3IV-V 578 2
17 HD 161612 PM* 17 47 57.5496960470 -34 01 07.948899796   7.91 7.20     G8V 131 0
18 HD 177565 PM* 19 06 52.4643890878 -37 48 38.373405467   6.88 6.16     G6V 199 0
19 * del Pav PM* 20 08 43.6088716052 -66 10 55.442769229 4.78 4.32 3.56 2.95 2.61 G8IV 422 0
20 HD 191408 PM* 20 11 11.9387690214 -36 06 04.351725607   5.44 5.32     K2.5V 294 1
21 HD 191408B PM* 20 11 12.8028949300 -36 06 32.166102762           M3.5 230 1
22 * phi02 Pav PM* 20 40 02.6374808954 -60 32 56.018592211   5.63 5.121     G0VFe-0.8CH-0.5 184 1
23 HD 214953 PM* 22 42 36.8833459086 -47 12 38.925760753 6.64 6.67 6.06 7.11   F9.5V 162 0

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