2023A&A...673A..43L

Query : 2023A&A...673A..43L

2023A&A...673A..43L - Astronomy and Astrophysics, volume 673A43 (2023/5-1)

Convective blueshift strengths for 242 evolved stars.

LIEBING F., JEFFERS S.V., ZECHMEISTER M. and REINERS A.

Abstract (from CDS):

Context. With the advent of extreme precision radial velocity (RV) surveys, seeking to detect planets at RV semi-amplitudes of 10 cm s–1, intrinsic stellar variability is the biggest challenge to detecting small exoplanets. To overcome the challenge we must first thoroughly understand all facets of stellar variability. Among those, convective blueshift caused by stellar granulation and its suppression through magnetic activity plays a significant role in covering planetary signals in stellar jitter.
Aims. Previously we found that for main sequence stars, convective blueshift as an observational proxy for the strength of convection near the stellar surface strongly depends on effective temperature. In this work we investigate 242 post main sequence stars, covering the subgiant, red giant, and asymptotic giant phases and empirically determine the changes in convective blueshift with advancing stellar evolution.
Methods. We used the third signature scaling approach to fit a solar model for the convective blueshift to absorption-line shift measurements from a sample of coadded HARPS spectra, ranging in temperature from 3750 K to 6150 K. We compare the results to main sequence stars of comparable temperatures but with a higher surface gravity.
Results. We show that convective blueshift becomes significantly stronger for evolved stars compared to main sequence stars of a similar temperature. The difference increases as the star becomes more evolved, reaching a 5× increase below 4300 K for the most evolved stars. The large number of stars in the sample, for the first time, allowed for us to empirically show that convective blueshift remains almost constant among the entire evolved star sample at roughly solar convection strength with a slight increase from the red giant phase onward. We discover that the convective blueshift shows a local minimum for subgiant stars, presenting a sweet spot for exoplanet searches around higher mass stars, by taking advantage of their spin-down during the subgiant transition.

Abstract Copyright: © The Authors 2023

Journal keyword(s): convection - techniques: radial velocities - Sun: granulation - stars: activity

VizieR on-line data: <Available at CDS (J/A+A/673/A43): tablec1.dat tablec2.dat>

Simbad objects: 248

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Number of rows : 248
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 770 PM* 00 11 56.0565656472 -42 10 19.706103732   7.59 6.53     K0III 29 0
2 * iot Cet * 00 19 25.6743948847 -08 49 26.108975369 5.94 4.77 3.55 2.70 2.11 K1+IIICN0.5 190 0
3 HD 1690 * 00 21 13.3273891728 -08 16 52.164674760 11.967 10.515 9.178 8.483 8.87 K1(III) 57 1
4 * iot Scl RG* 00 21 31.1982576576 -28 58 53.292742896   6.169 5.167     K0III 62 0
5 * 44 Psc ** 00 25 24.2083631904 +01 56 22.892930016   6.616 5.770     G8III 74 0
6 HD 2529 PM* 00 28 43.1263371192 -50 31 58.285251732   7.360 6.265     K0III 25 0
7 * lam02 Scl PM* 00 44 12.0990327144 -38 25 18.054207912   7.06 5.96     K1III 57 0
8 * 18 Cet PM* 00 45 28.6874352984 -12 52 50.911589280 6.86 6.76 6.15     G0V 254 0
9 HD 4313 * 00 45 40.3577832360 +07 50 42.075337200   8.788 7.82     G5 63 1
10 HD 4398 PM* 00 46 11.7559423656 -22 31 19.570596924   6.48 5.50     G8/K0III 56 0
11 HD 4737 * 00 48 56.7275244816 -46 41 51.523347228   7.175 6.277     G8III 36 0
12 HD 5349 PM* 00 55 11.7847065144 -16 58 17.618317608   8.91 7.91     K0IV 45 0
13 * phi04 Cet HB* 00 58 43.8680525208 -11 22 47.910692424   6.566 5.614     G8III 81 0
14 HD 5891 * 01 00 33.1924645894 +20 17 32.953211471   9.11 8.11     G5 44 1
15 * ome Phe * 01 02 01.8204200136 -57 00 08.594480880   7.028 6.100     G8/K0III 39 0
16 HD 6245 * 01 02 49.1896926576 -46 23 50.313370020   6.286 5.387     G8III 46 0
17 HD 7082 PM* 01 10 07.3730005176 -57 41 39.802474032   7.304 6.418     G6II/III 26 0
18 HD 7950 PM* 01 18 37.9768918944 -25 53 56.343685092   9.49 8.73     G5IV/V 41 0
19 HD 8651 * 01 24 40.7865339576 -41 29 33.164287944   6.443 5.417     K0III 61 0
20 * 94 Psc PM* 01 26 41.6791537272 +19 14 25.526087052   6.616 5.495     K1III 98 0
21 HD 9081 PM* 01 29 42.3320148000 +17 05 56.277930192   8.82 8.14     G5 45 0
22 * del Phe PM* 01 31 15.1040942588 -49 04 21.730128530   4.918 3.935     G8.5IIIb 135 0
23 HD 10042 PM* 01 33 39.1710859344 -78 30 17.351232264   7.077 6.103     K0III 41 0
24 HD 9742 PM* 01 34 50.7839195472 -31 53 32.336440836   7.223 6.110     K0/1III 36 0
25 HD 10615 * 01 41 47.9680812504 -60 47 21.614765568   6.951 5.692     K2/3III 30 0
26 * tau Cet PM* 01 44 04.0831371922 -15 56 14.927607677 4.43 4.22 3.50 2.88 2.41 G8V 1354 1
27 * omi Psc PM* 01 45 23.6252151720 +09 09 27.902640312 5.90 5.22 4.26 3.53 3.04 G8III 174 0
28 HD 11332 PM* 01 50 20.1816024384 -47 48 59.006356704   7.144 6.140     K0III 32 0
29 HD 11964 PM* 01 57 09.6074243168 -10 14 32.732533622   7.25 6.42     G9VCN+1 211 1
30 * pi. For PM* 02 01 14.7228666120 -30 00 06.589273248   6.23 5.35     G8III 80 0
31 * chi Phe PM* 02 01 42.3763488264 -44 42 48.626334576 8.45 6.63 5.14 3.92 3.03 K5IV 66 0
32 HD 12583 RG* 02 02 58.5696126264 -15 18 21.348597708   6.833 5.864     K0II/III 64 0
33 HD 13263 * 02 06 58.9323509592 -65 56 44.717937000   7.59 6.71     G8III 25 0
34 * 66 Cet SB* 02 12 47.5413483242 -02 23 37.066624087   6.21 5.66     F8V 147 0
35 HD 13692 HB* 02 13 00.9875390448 -21 00 00.484993512   6.878 5.867     K0III 51 0
36 HD 13940 * 02 14 31.9450100712 -41 10 00.346250820   6.872 5.907     G8III 38 0
37 HD 14703 * 02 20 22.8605206752 -56 47 02.778832968   7.65 6.69     K0III 22 0
38 HD 14832 PM* 02 22 11.7487792776 -43 11 59.314159428   7.290 6.298     K0III 37 0
39 HD 14830 PM* 02 22 57.6278222472 -18 21 17.939697840   7.184 6.228     G8/K0III 29 0
40 * 81 Cet PM* 02 37 41.8020809760 -03 23 46.225928328   6.674 5.647     K0III 97 1
41 HD 16548 PM* 02 39 00.8090721720 -08 55 40.452899268   7.69 6.98     G5V 78 0
42 * iot Eri PM* 02 40 40.0348498136 -39 51 19.355490088   5.114 4.116     K0IIIb 100 0
43 HD 16975 * 02 42 06.6072699192 -38 23 01.273215804   6.909 5.988     G8III 44 0
44 HD 17374 PM* 02 43 24.6001321080 -69 09 35.610791976   7.66 6.66     G8III 23 0
45 * nu. Hyi * 02 50 28.4595952008 -75 04 01.013735064   6.080 4.742     K3III 59 0
46 * tau02 Eri PM* 02 51 02.3271116481 -21 00 14.441517124 6.28 5.67 4.77 4.07 3.60 K0III 99 0
47 * eta Eri PM* 02 56 25.6492431840 -08 53 53.316500640 5.97 4.99 3.87 3.08 2.50 K1+IIIb 203 0
48 HD 18754 PM* 02 58 51.1429085520 -52 05 45.529425780   9.16 8.43     F7/8V 44 0
49 HD 18885 * 03 01 56.1190857192 -09 57 41.053013964   6.939 5.837     K1III 55 0
50 HD 20037 * 03 10 39.2355659952 -57 48 35.367318180   7.51 6.62     G8III 27 0
51 HD 20278 PM* 03 16 03.1267472520 +11 37 42.388606020   8.59   7.6   G5 59 0
52 HD 20894 * 03 21 24.0048307608 -23 38 06.564343524   6.381 5.496     G7IIbCN-1Hdel-1 81 0
53 HD 21011 * 03 21 33.4335968376 -47 46 35.981296104   7.397 6.396     K0III 32 0
54 HD 21019 PM* 03 23 17.7011620632 -07 47 38.755366656   6.92 6.23     G5/6V 168 0
55 HD 21430 PM* 03 26 22.5248670384 -27 19 02.927198460   6.868 5.933     K0III 36 0
56 HD 22676 * 03 29 58.8930057024 -78 21 06.663387096   6.612 5.668     G8III 35 0
57 HD 22231 PM* 03 32 34.8024506376 -50 22 43.123102464   6.770 5.658     K2III 56 0
58 * eps Eri BY* 03 32 55.8444911587 -09 27 29.739493865 5.19 4.61 3.73 3.00 2.54 K2V 2073 1
59 HD 22409 HB* 03 35 57.6667537200 -11 11 37.626339480   6.492 5.580     K0III 67 0
60 * h Eri HB* 03 42 50.0549075287 -37 18 48.660549379   5.783 4.583     K1.5IIIbCN0.5 76 0
61 * del Eri PM* 03 43 14.9005379551 -09 45 48.210955899 5.13 4.46 3.54 2.82 2.32 K0+IV 651 0
62 HD 23719 RG* 03 45 15.8761413144 -47 21 34.111078056   6.678 5.708     K1III 34 0
63 HD 23901 * 03 48 37.9382536320 -04 25 16.674160944   8.41 7.64 7.4   G8V 52 0
64 * g Eri PM* 03 49 27.2462589689 -36 12 00.924271092 5.80 5.12 4.17 3.46 2.96 G7III 85 0
65 HD 24744 ** 03 54 23.1669866112 -40 21 25.220081268   6.289 5.705     G8/K1III 47 1
66 HD 24892 PM* 03 56 28.6676026933 -25 10 52.831149423   7.63 6.88     K0VFe-1.2CH-0.9 104 0
67 HD 26297 Pe* 04 09 03.4178692512 -15 53 27.056905800   8.55 7.47 7.09   G5/6IVw 168 0
68 * alf Hor PM* 04 14 00.1142226166 -42 17 39.726755131 5.97 4.96 3.86 3.00 2.41 K2III 150 0
69 * gam Tau ** 04 19 47.6039239005 +15 37 39.511385129 5.46 4.64 3.65 4.83   G9.5IIIabCN0.5 569 0
70 V* EK Eri BY* 04 20 38.6418121776 -06 14 45.577773096   7.036 6.154     K0III 134 0
71 * eta Ret PM* 04 21 53.3257380336 -63 23 11.006748852   6.20 5.24     G8III 54 0
72 * 43 Eri PM* 04 24 02.2063343712 -34 01 00.658242588 7.25 5.45 3.96 2.79 1.96 K3.5III 77 0
73 * tet01 Tau SB* 04 28 34.4979222951 +15 57 44.221169423 5.510 4.780 3.840 5.48   G9IIIFe-0.5 509 0
74 * eps Tau ** 04 28 37.0002551195 +19 10 49.563140930 5.42 4.54 3.53     G9.5IIICN0.5 628 1
75 HD 29399 PM* 04 33 33.9493392408 -62 49 25.236915132   6.822 5.780     K1III 59 0
76 HD 29751 PM* 04 34 15.4395124944 -73 12 31.604991660   7.770 6.805     G8III 36 0
77 * ups02 Eri PM* 04 35 33.0379612193 -30 33 44.431333529 5.52 4.80 3.82 3.07 2.58 G8+III 107 0
78 HD 29737 HB* 04 40 06.8012923080 -24 28 56.525676780   6.494 5.563     G6/8III 60 0
79 HD 31532 ** 04 51 20.7716250624 -68 04 10.746576300   7.43 6.82     G0V 71 0
80 * iot Aur V* 04 56 59.6200224533 +33 09 57.937579478 6.00 4.22 2.69 1.63 0.81 K3II-III 288 0
81 TYC 7047-1324-1 * 05 04 45.2801042112 -30 04 05.827667124   13.00 12.08     ~ 5 0
82 HD 33142 * 05 07 35.5413937248 -13 59 11.336809164   8.905 7.96     K0III 69 1
83 HD 33473 PM* 05 08 29.9165489059 -41 12 49.322460160   7.40 6.752 6.62 8.69 G3V 85 1
84 * omi Col PM* 05 17 29.0887389637 -34 53 42.722762056 6.62 5.83 4.83 4.09 3.54 K1IV 98 0
85 CD-31 2415 * 05 23 25.2028269408 -31 16 34.982976072   11.583 10.545     ~ 7 0
86 TYC 6484-222-1 * 05 30 35.0957065368 -27 40 17.265067608   12.89 11.85     ~ 3 0
87 * phi02 Ori PM* 05 36 54.3885728561 +09 17 26.416510827 5.70 5.04 4.09 3.33 2.78 G9.5IIIbFe-2.5 371 0
88 HD 42556 * 05 39 59.1562800528 -85 54 51.579506700   7.70 6.78     G8III 28 0
89 HD 40105 PM* 05 54 10.8131651260 -50 21 45.180883659   7.42 6.52     K1IV-V 86 0
90 * eta Col * 05 59 08.8050886417 -42 48 54.476316668 6.18 5.10 3.96 3.14 2.56 G8/K1II 81 0
91 HD 41047 * 06 01 16.2976481208 -33 54 42.608011716   7.102 5.524     K5III 42 0
92 HD 41245 PM* 06 02 06.3638662392 -38 59 21.583624560   7.79 6.83     G8IV 20 0
93 CoRoT 102387834 * 06 13 50.7631934736 +05 18 08.669661948           G0III 5 0
94 * kap Col PM* 06 16 33.1354849246 -35 08 25.854360482 6.20 5.37 4.37 3.64 3.13 G9IIIbCN0.5 70 0
95 * pi.01 Dor * 06 22 38.2757577456 -69 59 02.560486776   7.054 5.542     K5III 32 0
96 * pi.02 Dor PM* 06 25 28.6306869576 -69 41 25.080005724   6.35 5.38     G8III 60 0
97 HD 45398 RG* 06 26 58.3522929552 -04 27 33.456442248   8.31 6.90     K4III 29 0
98 HD 46415 * 06 31 04.5269906016 -43 43 01.427129400   7.678 6.684     G8III 41 0
99 HD 47001 * 06 33 26.2817822664 -52 19 45.234790788   7.265 6.172     G8III 33 0
100 HD 47536 PM* 06 37 47.6181076691 -32 20 23.040481884   6.43 5.258     K1III 119 1
101 HD 48265 * 06 40 01.7270326320 -48 32 31.043282568   8.78 8.03     G5IV/V 71 1
102 HD 48381 * 06 41 42.9530764512 -33 28 11.103788640   9.57 8.50     K0IV 36 0
103 HD 49947 PM* 06 43 36.7554717744 -73 07 05.551245732           G8III 40 0
104 CoRoT 110676555 * 06 51 59.0883676680 -05 36 48.868279380     13.953     G8V 4 0
105 * tet CMa PM* 06 54 11.3988612864 -12 02 19.061163780 7.20 5.51 4.08 2.95 2.17 K3/4III 233 0
106 * 20 Mon PM* 07 10 13.6815026472 -04 14 13.585055244 6.73 5.95 4.92 4.13 3.61 K0III 162 0
107 HD 56259 * 07 14 59.7538860672 -32 48 10.710723744   9.50 8.76     G6V 38 0
108 HD 56618 * 07 16 34.9928126880 -27 52 52.244563692 8.12 6.24 4.64 3.16 1.91 M2III 48 0
109 HIP 35366 * 07 18 19.0082143896 -15 34 59.423559132 12.79 12.10 11.10     ~ 40 0
110 TYC 7104-505-1 * 07 28 36.8567227536 -31 37 29.213226480   12.60 11.84     ~ 3 0
111 HD 60060 PM* 07 29 59.7226034784 -52 39 04.164546672   6.876 5.863     K0III 36 0
112 HD 60574 * 07 33 13.3245900216 -43 05 10.316010372   7.442 6.524     G8III 30 0
113 BD-13 2130 * 07 37 09.2332503816 -13 54 23.956897032   11.31 10.04     G5IV-V/K2III 78 1
114 * 140 Pup * 07 40 23.2104428256 -15 15 50.110710444   6.503 4.951     K3III 63 0
115 * alf Mon PM* 07 41 14.8319734511 -09 33 04.077766984 5.83 4.95 3.93 3.16 2.64 G9.5III-IIIbFe-0.5 214 0
116 HD 62412 * 07 42 48.1523787648 -26 21 04.775421528   6.615 5.628     K1III 52 0
117 HD 62943 * 07 43 29.6295878976 -54 14 28.665382272   7.82 6.88     G6/8III 23 0
118 * W Pup PM* 07 43 41.9290262736 -40 56 01.487218812   6.27 5.17     K1III 54 0
119 * bet Gem PM* 07 45 18.94987 +28 01 34.3160 3.00 2.14 1.14 0.39 -0.11 K0IIIb 1150 2
120 HD 63685 PM* 07 46 23.2826639328 -61 25 48.533270016   8.15 7.39     G8IV 66 0
121 HD 64152 PM* 07 51 43.0248909216 -21 10 25.176344988   6.569 5.607     G9III 62 0
122 * 27 Mon PM* 07 59 44.1530631384 -03 40 46.508411136   6.137 4.934     K1III 94 0
123 HD 67990 PM* 08 06 36.1519376640 -63 30 57.285115740   7.65 6.65     K0III 23 0
124 BD-12 2371 * 08 10 15.1831603128 -12 50 41.107134408   11.64 10.65     ~ 22 0
125 BD-12 2376 * 08 10 42.8580088968 -12 40 11.620730136   11.48 10.65     K0 41 0
126 HD 68284 PM* 08 11 49.5873390000 +04 16 28.326641232   8.28 7.75     F7/8V 103 0
127 CD-30 6015 * 08 18 26.4379746360 -30 39 30.378535308   12.24 11.14     ~ 22 0
128 BD+10 1802 AB? 08 27 35.5567246920 +10 30 23.563032264   11.43 9.95     M0III 10 0
129 HD 73887 * 08 37 18.8332010592 -62 51 12.472994124   6.480 5.456     K0III 32 0
130 * c Vel PM* 09 04 09.2796508887 -47 05 51.846278984 6.16 4.95 3.75 2.93 2.33 K2III 72 0
131 * k Car * 09 20 56.8130707392 -62 24 16.681055508   5.733 4.800     G6III 55 0
132 * lam Pyx PM* 09 23 12.2502975192 -28 50 01.900865148 6.22 5.59 4.68 3.97 3.50 G8.5IIIbFe-1 63 0
133 TYC 6609-79-1 * 09 36 51.2573301960 -27 11 44.787285132   12.100 11.189     ~ 8 0
134 HD 85859 PM* 09 54 12.3168100872 -25 55 56.388156312   6.11 4.88     K2+IIICN0.5 67 0
135 HD 86006 SB* 09 54 31.1706581208 -45 43 51.540528072   8.86 8.18     G5IV/V+M4 50 0
136 HD 87833 * 10 05 44.0902923984 -60 19 01.000791372   9.69 8.56     G8II/III 39 1
137 HD 88474 * 10 09 09.4456767240 -70 21 58.195413720   9.01 8.47     F7IV 48 0
138 HD 91988 PM* 10 37 36.7979709192 +18 20 58.292868660   9.05 8.38     G5 50 0
139 * 33 Sex PM* 10 41 24.1859419344 -01 44 29.371097184   7.145 6.250     G9IV 182 0
140 HD 93396 PM* 10 46 49.7401839144 -09 23 56.495447700   8.87 8.04     G8/K0IV 73 0
141 HD 94771 * 10 55 53.9557688088 -35 06 51.651544608   8.11 7.36     G3/G5V 55 0
142 HD 95799 * 11 02 25.1094103728 -58 45 37.378955412   8.960 7.978 7.395 6.906 G8III 40 0
143 HD 96789 * 11 07 57.3479444448 -58 17 26.366354556   8.350 6.978 6.374 5.757 K2II 39 0
144 IC 2714 121 * 11 17 31.1586029160 -62 43 19.509066048   12.06 10.80     ~ 17 0
145 * del Crt PM* 11 19 20.4473515372 -14 46 42.743409457 5.66 4.67 3.56 2.73 2.13 G9IIICH0.5 180 0
146 CD-42 6963 * 11 25 16.1744004384 -43 14 24.079251516   11.93 10.78     ~ 50 0
147 CD-42 6981 * 11 25 48.5315765064 -43 09 52.530808176   12.043 10.886 10.08 9.829 ~ 65 0
148 CD-42 6983 * 11 25 49.9058331792 -43 12 15.712705908   11.3 10.02     K0III 43 0
149 * ksi Hya ** 11 33 00.1149306166 -31 51 27.447975478 5.17 4.47 3.54 2.84 2.36 G7IIIb 269 0
150 HD 100655 PM* 11 35 03.7532047512 +20 26 29.562959724   7.468 6.438 6.37   G9III 63 1
151 HD 101063 PM* 11 37 40.4028065084 -28 51 04.858747344   10.21 9.45     K5/M0III 78 0
152 HD 102272 Em* 11 46 23.5354430592 +14 07 26.352184620   9.71 8.71     K2 74 1
153 HD 103891 PM* 11 57 45.3029922024 -08 32 55.368622428   9.078 8.646     F8V 87 0
154 HD 104819 SB* 12 04 10.9205434128 -22 22 15.752097120   9.09 7.91     K2III 28 0
155 K2-132 * 12 08 39.9336686136 -08 44 49.851703500   12.934 11.897     ~ 29 0
156 * eps Crv PM* 12 10 07.4805825 -22 37 11.161983 5.79 4.32 2.98 2.05 1.41 K2+IIIa 158 0
157 * 11 Com PM* 12 20 43.0257695904 +17 47 34.327512348   5.74 4.74     G8+IIIFe-1 178 1
158 HD 108570 PM* 12 28 33.5941320096 -56 24 28.143567500   7.07 6.13     K0/1III 42 0
159 * chi Vir ** 12 39 14.7669620640 -07 59 44.033845848   5.886 4.643 6.45   K2+IIICN0.5 167 1
160 * eps Vir PM* 13 02 10.5970152536 +10 57 32.935398266 4.45 3.71 2.79 2.16 1.71 G8III-IIIb 574 0
161 * gam Hya SB* 13 18 55.2976891983 -23 10 17.450424894 4.58 3.92 3.00 2.40 1.93 G8IIIa 192 0
162 HD 116284 PM* 13 24 39.0499265088 -70 25 48.805591944   8.12 7.25     K0IV 39 0
163 HD 121416 PM* 13 56 19.7763079968 -46 35 34.616994576   6.955 5.815     K1III 57 0
164 HD 122430 * 14 02 22.7821310616 -27 25 47.192750976   6.799 5.469     K2/3III 51 1
165 * pi. Hya PM* 14 06 22.2980035207 -26 40 56.501676257 5.45 4.41 3.28 2.40 1.85 K2-IIIFe-0.5 150 0
166 HD 124785 PM* 14 16 57.3973687056 -50 16 52.886905284   9.22 8.67     F8/G0wF5 65 0
167 HD 129229 * 14 41 18.8083311216 +03 26 55.567246992   8.98 8.41     G0V 54 0
168 * E Hya PM* 14 50 17.3082918816 -27 57 37.300431780 7.28 5.81 4.41 3.33 2.57 K2.5IIIbFe-1: 93 0
169 CD-53 5815 * 15 02 54.1051176408 -54 12 51.500033784 12.01 10.94 9.72     ~ 26 0
170 CD-53 5820 * 15 03 15.8333959824 -54 16 39.167262732 12.01 10.91 9.69     ~ 24 0
171 HD 132944 * 15 04 02.2509606456 -54 20 21.053959332 11.54 10.36 9.08 8.387   G8/K1(III) 42 0
172 CD-54 6003 * 15 04 30.3797958024 -54 31 44.812346808 12.11 10.80 9.47     ~ 28 0
173 CD-54 6002 * 15 04 30.5182328328 -54 35 48.846190632   11.51 10.47     ~ 30 0
174 K2-314 * 15 12 59.5618336872 -16 43 28.198547940   12.355 11.577     ~ 30 0
175 * 37 Lib PM* 15 34 10.7024841438 -10 03 52.317750492 6.48 5.63 4.62 3.85 3.33 K1III-IV 187 0
176 HD 143120 PM* 16 00 23.0010293880 -45 27 09.935832708   8.25 7.51     G5IV 57 0
177 * ome02 Sco PM* 16 07 24.3270139738 -20 52 07.551954425 5.68 5.17 4.33 3.68 3.25 G4II-III 136 0
178 HD 148427 RG* 16 28 28.1511991416 -13 23 58.690451904   7.85 6.89     K0III/IV 67 1
179 * gam Aps PM* 16 33 27.0825153352 -78 53 49.733407072   4.783 3.854     G8III 102 0
180 HD 154160 PM* 17 03 10.4447610504 +14 30 40.826805624 7.750 7.300   6.1   G5IV: 77 0
181 HD 156411 PM* 17 19 51.4007218944 -48 32 57.559997976   7.29 6.67     G1V(w) 92 1
182 HD 149747 * 17 19 59.4784102656 -87 14 34.620749520   9.80 9.17     F8V 33 0
183 HD 156854 * 17 23 07.1216344296 -56 31 31.976443020   6.756 5.763     G8/K0III 32 0
184 CD-49 11401 * 17 24 41.5351328856 -49 59 06.472009932   11.401 10.363     ~ 47 0
185 HD 157527 * 17 24 42.0283098840 -21 26 29.338040616   6.773 5.830     K0III 50 0
186 CD-49 11402 * 17 24 46.7176119264 -49 54 06.987841164   12.027 10.894     ~ 47 0
187 CD-49 11404 * 17 24 50.0710852992 -49 56 56.079791376   11.5 10.7     ~ 58 0
188 CD-49 11415 * 17 24 54.1498716864 -49 53 07.518967440   11.76 10.44     ~ 44 0
189 CD-49 11410 * 17 24 57.7608923184 -50 01 32.964118680   11.89 10.78     ~ 36 0
190 HD 158809 PM* 17 31 25.4021408328 -02 32 19.715445780   8.77 8.13     G3V 116 0
191 HD 159194 * 17 35 06.2775971616 -38 47 58.095633300   7.99 6.76     K3III 23 0
192 HD 159868 PM* 17 38 59.5268792544 -43 08 43.842381468   7.96 7.24     G5V 159 1
193 HD 160720 ** 17 44 55.8646231368 -57 32 43.944881532   6.880 5.964     G8III 26 0
194 * eta Pav PM* 17 45 43.9875971845 -64 43 25.937272871   4.769 3.581     K2II 54 0
195 BD-18 4705 * 17 56 51.9898337832 -19 00 03.440916396   11.09 9.62     ~ 19 0
196 BD-18 4710 * 17 57 03.1665412368 -18 59 13.932075768   10.71 9.42     ~ 15 0
197 * gam02 Sgr PM* 18 05 48.4880988 -30 25 26.723458 4.77 4.00 2.99 2.26 1.75 K0+III 158 0
198 * 71 Oph * 18 07 18.3593981592 +08 44 01.922061912   5.592 4.640     G8III 182 0
199 HD 166599 * 18 15 40.6145646768 -63 03 19.310091408   6.531 5.582     K0III/IV 30 0
200 * del Sgr * 18 20 59.6428936493 -29 49 41.168145329   4.069 2.668     K2.5IIIaCN0.5 184 0
201 * eta Ser PM* 18 21 18.6004923875 -02 53 55.780691633 4.84 4.19 3.25 2.55 2.05 K0III-IV 390 0
202 HD 169370 RG* 18 24 42.1276395144 -07 04 33.358617480   7.447 6.296     K0/1III 32 0
203 HD 170031 RG* 18 27 07.3920153504 +06 04 11.370800388   9.43 8.20     G8 19 0
204 HD 170053 RG* 18 27 14.2812461280 +07 00 32.752668024   8.728 7.301     K0IIb 55 0
205 HD 170174 RG* 18 27 54.7371519576 +06 36 00.341804160   9.39 8.31     G9IIIFe0.5: 88 0
206 HD 169836 PM* 18 29 56.7377263872 -57 31 23.309775912   6.74 5.74     K0III 28 0
207 HD 171028 * 18 32 15.4933852584 +06 56 44.685848256   8.93 8.29     G0 71 1
208 BD+05 3829 * 18 37 05.2144598832 +05 17 31.621063920 10.58 10.93 9.83     G5 51 0
209 BD+05 3835 * 18 37 30.2982427272 +05 12 15.715653660 10.47 10.85 9.77     G5 43 0
210 * zet Pav PM* 18 43 02.1363351501 -71 25 41.216197810   5.138 4.003     K0III 76 0
211 HD 172211 * 18 43 37.3375808736 -64 33 05.130535788   6.732 5.757     K0III 26 0
212 NGC 6705 827 HB* 18 51 10.1380786296 -06 15 48.683499696   12.996 11.493     K2II-III 32 0
213 * kap Tel PM* 18 52 39.6449693304 -52 06 26.531218836   6.138 5.173     G8/K0III 44 0
214 HD 175541 PM* 18 55 40.8841512864 +04 15 55.165056048   8.90 8.00     G6/8IV 129 1
215 HD 175219 * 18 56 16.9512500808 -42 42 38.423132748   6.341 5.346     K0III 35 0
216 HD 176354 PM* 19 03 12.2292794328 -56 59 48.007673304   7.94 7.07     K0III 54 0
217 HD 178484 RG* 19 08 52.2470089728 -02 17 13.879989852   7.874 6.587     K2III 25 0
218 HD 179433 PM* 19 14 39.5609534856 -45 11 36.698965080   6.812 5.909     G8III 27 0
219 HD 181907 RG* 19 22 21.5480809056 -00 15 08.508393504   6.906 5.811     K1III 68 0
220 HD 181517 * 19 23 36.9150997392 -53 56 46.075200828   7.60 6.61     K0III 25 0
221 HD 182893 PM* 19 29 52.6102772256 -55 26 30.305131944   7.112 6.127     K0/1III 29 0
222 TYC 6901-2187-1 * 19 34 08.8650711264 -28 54 06.028712460   12.49 11.09     ~ 6 0
223 * iot Sgr PM* 19 55 15.6947540258 -41 52 05.896040754 6.11 5.21 4.13     K0II/III 93 0
224 * ome Sgr SB* 19 55 50.3625499909 -26 17 57.693299065   5.45 4.70     G5IV 146 0
225 * 60 Sgr * 19 58 57.2021818392 -26 11 44.744911476   5.735 4.846     G6III 67 0
226 HD 190984 * 20 11 30.7153808208 -64 37 13.685316204   9.27 8.73     F8V 77 1
227 TYC 7442-558-1 * 20 22 04.7912951856 -30 42 13.273838208   12.728 11.887     ~ 7 0
228 * gam Cyg V* 20 22 13.7018357 +40 15 24.044963 3.44 2.90 2.23 1.74 1.40 F8Ib 607 0
229 HD 195564 PM* 20 32 23.6946897472 -09 51 12.184220381   6.34 5.65     G2.5IV 175 0
230 * alf Ind PM* 20 37 34.0321723878 -47 17 29.405217299 4.90 4.11 3.11     K0III-IV 141 0
231 * alf Mic * 20 49 58.0810451616 -33 46 46.934378400   5.879 4.890     G8III 47 0
232 * 18 Del PM* 20 58 25.9335294984 +10 50 21.430869504   6.432 5.506     G6III 107 1
233 * 2 PsA * 21 06 24.6772967832 -32 20 29.828250420   6.298 5.196     K2III 37 0
234 * zet Cyg SB* 21 12 56.1859894833 +30 13 36.835250232 4.96 4.20 3.21 2.52 2.04 G8+III-IIIaBa0.5 353 0
235 HD 201852 * 21 13 18.9615474048 -36 25 24.701629260   6.932 5.954     K0III 28 0
236 * nu. Oct SB* 21 41 28.5420355132 -77 23 24.031541832   4.745 3.728 5.46   K1III 131 1
237 HD 206642 PM* 21 44 29.4723514080 -38 33 09.101246328   7.418 6.283     K1IIICNIV/V 49 0
238 HD 210272 PM* 22 10 49.6687308936 -55 27 25.676508420   7.88 7.22     G3V 75 0
239 HD 211038 PM* 22 14 38.2200242135 -15 49 06.713963189   7.44 6.54     G9.5IV-V 107 0
240 HD 211420 * 22 16 40.1515074096 +12 55 12.973145628   8.47 7.47     K0 16 0
241 * 35 Peg PM* 22 27 51.5231162634 +04 41 44.404460456 6.74 5.86 4.80 4.02 3.46 K1-III-IV 276 0
242 BD-09 6003 PM* 22 33 28.4132310576 -09 01 21.975635100   11.915 10.872 10.70 10.05 ~ 42 0
243 HD 219077 PM* 23 14 06.5877117106 -62 42 00.008075788   6.91 6.12     G8V+ 127 1
244 * psi01 Aqr PM* 23 15 53.4940495770 -09 05 15.844964053 6.37 5.36 4.25 3.46 2.90 K1-IIIFe-0.5 260 1
245 * gam Scl PM* 23 18 49.4375987895 -32 31 55.278901051   5.528 4.406     K1III 90 0
246 HD 220572 HB* 23 25 19.4647706184 -56 50 56.341542084   6.661 5.597     K0III 49 0
247 HD 221627 PM* 23 33 34.7962511784 +17 49 07.786041204 7.680 7.450   6.4   G1IV 48 0
248 HD 221580 PM* 23 33 40.1543223408 -53 39 29.293955892   9.86 9.21     G8/K1wF 50 0

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