2024A&A...692A.138R

Query : 2024A&A...692A.138R

2024A&A...692A.138R - Astronomy and Astrophysics, volume 692A138 (2024/12-1)

The CARMENES search for exoplanets around M dwarfs The impact of rotation and magnetic fields on the radial velocity jitter in cool stars.

RUH H.L., ZECHMEISTER M., REINERS A., NAGEL E., SHAN Y., CIFUENTES C., JEFFERS S.V., TAL-OR L., BEJAR V.J.S., AMADO P.J., CABALLERO J.A., QUIRRENBACH A., RIBAS I., ACEITUNO J., HATZES A.P., HENNING T., KAMINSKI A., MONTES D., MORALES J.C., SCHOFER P., SCHWEITZER A. and VARAS R.

Abstract (from CDS):

Context. Radial velocity (RV) jitter represents an intrinsic limitation on the precision of Doppler searches for exoplanets that can originate from both instrumental and astrophysical sources.
Aims. We aim to determine the RV jitter floor in M dwarfs and investigate the stellar properties that lead to RV jitter induced by stellar activity.
Methods. We determined the RV jitter in 239 M dwarfs from the CARMENES survey that are predominantly of mid to late spectral type and solar metallicity. We also investigated the correlation between stellar rotation and magnetic fields with RV jitter.
Results. The median jitter in the CARMENES sample is 3.1 m s–1, and it is 2.3 m s–1 for stars with an upper limit of 2 km s–1 on their projected rotation velocities. We provide a relation between the stellar equatorial rotation velocity and RV jitter in M dwarfs based on a subsample of 129 well-characterized CARMENES stars. RV jitter induced by stellar rotation dominates for stars with equatorial rotation velocities greater than 1 km s–1. A jitter floor of 2 m s–1 dominates in stars with equatorial rotation velocities below 1 km s–1. This jitter floor likely contains contributions from stellar jitter, instrumental jitter, and undetected companions. We study the impact of the average magnetic field and the distributions of magnetic filling factors on the RV jitter. We find a series of stars with excess RV jitter and distinctive distributions of magnetic filling factors. These stars are characterized by a dominant magnetic field component between 2 to 4 kG.
Conclusions. An RV jitter floor can be distinguished from RV jitter induced by activity and rotation based on the stellar equatorial rotation velocity. RV jitter induced by activity and rotation primarily depends on the equatorial rotation velocity. This RV jitter is also related to the distribution of magnetic filling factors, and this emphasizes the role of the magnetic field in the generation of RV jitter.

Abstract Copyright: © The Authors 2024

Journal keyword(s): techniques: radial velocities - stars: activity - stars: low-mass - stars: magnetic field - stars: rotation

VizieR on-line data: <Available at CDS (J/A+A/692/A138): tabled1.dat>

Simbad objects: 245

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Number of rows : 245
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 BD+44 4548 PM* 00 05 10.8891989003 +45 47 11.641457986   11.45   9.2   M2Ve 187 0
2 G 32-5 PM* 00 15 49.2423147549 +13 33 22.316274483   14.0 12.600 12.296 10.04 M4V 86 0
3 G 32-7 PM* 00 16 16.1530187091 +19 51 50.474211828   14.82   12.904   M4.0V 81 0
4 G 31-53 PM* 00 28 39.4648750195 -06 39 49.179160254   13.71 12.23 11.885   dM4.0 84 0
5 Wolf 1056 PM* 00 38 59.0443396237 +30 36 58.387586417   12.60   10.6   M2.5V 118 0
6 G 172-30 PM* 00 57 02.6919355142 +45 05 09.788526472   13.19 11.972 11.568   M3.0V 58 0
7 Wolf 44 PM* 01 01 20.0492200601 +61 21 56.681648637   12.26 10.87     M2.0V 111 1
8 G 218-20 PM* 01 01 59.4949257485 +54 10 57.701837835   16.96   14.608   dM5.5 55 0
9 Ross 318 PM* 01 02 32.2354294685 +71 40 47.336260174   11.736   9.1   M3.0V 192 0
10 Wolf 47 PM* 01 03 19.8350070578 +62 21 55.837228636   15.34 13.21 12.4   M5V 232 0
11 G 268-110 PM* 01 04 53.8030982635 -18 07 28.625562071   16.34 14.47 14.81 10.97 dM5.0 76 0
12 G 2-21 PM* 01 07 52.2306594144 +12 52 51.793565412   13.64   11.764   M1.5V 25 0
13 LP 768-113 LM* 01 33 58.0018937952 -17 38 23.806416408   14.49 13.042 12.693 10.288 dM4.0 68 0
14 Barta 161 12 SB* 01 35 13.9246297464 -07 12 51.457318884   14.93 13.43 13.053 10.52 M4.3V 90 0
15 G 3-14 PM* 01 43 20.1790598651 +04 19 17.959793419 13.64 12.45 10.915 9.879 8.614 M2V 177 0
16 LSR J0155+3758 PM* 01 55 02.3253144141 +37 58 02.275107485   17.0 14.80 15.0   M5.0V 22 0
17 G 244-47 PM* 02 01 35.3407161312 +63 46 11.997406488       10.630   M2.5V 88 0
18 LP 469-67 LM* 02 02 16.2429995239 +10 20 13.937753422       15.711   M5.5V 66 0
19 G 173-37 PM* 02 07 03.8561077659 +49 38 43.461973111   13.0   11.892   M3.5Ve 52 0
20 G 173-39 PM* 02 08 53.6246553758 +49 26 56.437533465   14.02 12.45 12.12   M4.0Ve 88 0
21 BD+02 348 PM* 02 12 20.9873991153 +03 34 32.232373243 12.552 11.477 10.042 9.092 7.988 M1V 210 0
22 G 36-24 PM* 02 33 37.1758784184 +24 55 37.687392269   14.66   12.730   M3.5Ve 116 0
23 BD+19 381 PM* 02 35 53.3069698608 +20 13 11.582354640 13.32 12.138 10.628 9.611 8.403 M3V 92 0
24 V* BX Cet BY* 02 36 15.2668724487 +06 52 17.915599626   13.28   11.405   M3.5V 219 1
25 V* VX Ari PM* 02 44 15.5097410539 +25 31 24.114854200 13.363 12.141 10.563 9.49 8.115 dM3 249 0
26 LP 411-6 PM* 02 46 34.7143323312 +16 25 10.203642785   18.88   15.8   M6V 40 0
27 PM J02489-1432W PM* 02 48 59.2728446101 -14 32 14.942011299       12.677 10.72 M2.0 40 0
28 RX J0251.8+2227 Or* 02 51 54.0994055256 +22 27 29.944488960   14.84 13.28 12.95   dM4.0 42 0
29 Ross 364 PM* 02 56 34.4247003932 +55 26 14.101717979       9.6   M1.0V 99 0
30 G 76-62 PM* 03 09 00.1673675770 +10 01 25.650761248   16.57 14.86 14.677   M5V 54 0
31 LP 299-36 PM* 03 14 12.4686412774 +28 40 39.550476133   18.92   15.6   M6V 32 0
32 HD 275122 PM* 03 18 07.4804602684 +38 15 07.437859473   11.75 10.280 9.821 8.2 M1.5V 122 0
33 G 245-71 PM* 03 21 21.7806754349 +79 58 02.153242183       10.2   M2.0V 95 0
34 G 77-46 PM* 03 21 46.9232372547 -06 40 24.214996740   12.49 11.314 10.981 9.47 M2V 82 0
35 G 95-30 PM* 03 23 01.7606044623 +42 00 26.846256845   17.22   14.2   M5V 40 0
36 HD 23453 PM* 03 46 20.1401305865 +26 12 55.820285692   11.05   9.237   M1V 149 0
37 G 7-4 PM* 03 47 20.8893274484 +08 41 47.092761989   16.38   14.233   M5V 49 0
38 G 80-21 PM* 03 47 23.3412414313 -01 58 19.947831323 14.052 13.048 11.537 10.452 9.098 M3.0V 153 0
39 Ross 567 PM* 03 53 10.4354617848 +62 34 08.066015328       11.084   M3.0V 59 0
40 * omi02 Eri PM* 04 15 16.3196189945 -07 39 10.330779018 5.69 5.25 4.43 3.74 3.29 K0V 879 0
41 G 160-62 PM* 04 16 45.6004345224 -12 05 02.454740268   14.3 12.492 12.104   M1V 51 0
42 LSR J0419+4233 PM* 04 19 52.1308536326 +42 33 30.419334395   20.3   17.4   M8/9V 39 0
43 LSPM J0422+1031 PM* 04 22 31.9880889576 +10 31 18.794783064   14.0   12.154   M3.5V 49 0
44 HD 28343 PM* 04 29 00.1238230176 +21 55 21.717292296 10.988 9.688 8.300 7.446 6.656 M0.5V 224 0
45 HD 232979 PM* 04 37 40.9304170763 +52 53 37.012960438   10.006 8.648 8.750   M0.5V 205 0
46 BD-11 916 PM* 04 37 41.8657785528 -11 02 19.972109364 13.041 11.838 10.331 9.327 8.137 M1V 171 0
47 PM J04429+2128 PM* 04 42 55.8613626264 +21 28 22.955064780   13.46 11.93 11.545   M3.5V 45 0
48 BD+49 1280 PM* 04 58 50.5747640328 +49 50 57.433739964   11.6   9.373   M0.0V 106 0
49 PM J05019+0108 PM* 05 01 56.6595260856 +01 08 42.901815300     12.859 12.564   M4.0V 61 0
50 LP 776-46 PM* 05 03 20.0844829328 -17 22 24.721336910 14.612 13.371 11.735 10.603 9.192 M3V 136 0
51 RX J0506.2+0439 TT* 05 06 12.9262848888 +04 39 27.184049496   14.98 13.46 13.03 10.410 M4.5V 60 0
52 UCAC4 345-006842 LM* 05 08 27.2958745944 -21 01 44.375576844   15.940 14.665 14.582   M5 51 0
53 G 85-52 PM* 05 12 42.2265729247 +19 39 56.357105394 13.493 12.308 10.746 9.728 8.529 M0V 113 0
54 Ross 41 PM* 05 28 00.1514481321 +09 38 38.155965013 15.341 14.082 12.443 11.272 9.788 M3.5V 140 0
55 Ross 46 PM* 05 34 52.1153669862 +13 52 46.710429620   13.46   11.465   M3V 83 0
56 Wolf 1457 PM* 05 36 00.0783396698 -07 38 58.431709576   14.43 12.80 12.433   dM4.0 57 0
57 V* V2689 Ori RS* 05 36 30.9904989312 +11 19 40.327533804 11.508 10.276 8.898 7.963 7.140 K6V 187 0
58 PM J05366+1117 PM* 05 36 38.4617665080 +11 17 48.781276152   14.15 12.58 12.183   M4.0Ve 47 0
59 LSR J0539+4038 PM* 05 39 24.8045087545 +40 38 42.835528767   17.3 17.00 15.5   M8.0Ve 50 0
60 HD 233153 PM* 05 41 30.7306794471 +53 29 23.290604578   11.31   9.343   M1.0V 209 0
61 Ross 47 BY* 05 42 09.2676872099 +12 29 21.604835564 14.264 13.130 11.509 10.298 8.709 M4V 304 0
62 G 99-49 PM* 06 00 03.5042217306 +02 42 23.592579736   12.97 11.31 10.92 8.43 M3.5Ve 170 0
63 G 192-13 PM* 06 01 11.0455145210 +59 35 49.884065409   13.31   10.7   M4.0V 128 0
64 G 192-15 PM* 06 02 29.1943155520 +49 51 56.155536974   16.32   13.4   M5.0V 88 0
65 G 222-11 PM* 06 10 19.8468098360 +82 06 24.318574744   12.214   9.5   M2.5V 145 0
66 Ross 64 PM* 06 24 41.2848700232 +23 25 58.936096814   14.82   12.691   M4V 109 0
67 LP 205-44 PM* 06 31 50.7381977376 +41 29 45.488163624   16.50   14.462   dM5.0 65 0
68 G 108-21 PM* 06 42 11.1940786992 +03 34 52.623903432       11.638   M3V 88 1
69 PM J06574+7405 PM* 06 57 26.136936 +74 05 26.44728   14.563 13.005 12.677   M4.0Ve 33 0
70 G 109-35 PM* 06 59 28.8164986147 +19 20 55.857870053   16.78   10.6   M5.0Ve 98 0
71 LP 255-11 PM* 07 03 23.1689959080 +34 41 51.390507552   14.6   12.820   M4.0Ve 68 0
72 G 250-33 PM* 07 04 25.9413809225 +68 17 19.653201657     11.99 11.460   M3.0V 73 0
73 RX J0705.1-1008 PM* 07 05 11.9614641216 -10 07 52.752291996   17.011 15.101 14.872   M5.0V 16 0
74 G 112-21 PM* 07 28 45.4392980865 -03 17 53.314880583 14.298 13.023 11.456 10.351 8.954 M3V 104 0
75 Ross 989 BY* 07 31 57.3231225770 +36 13 47.357610643   13.38 11.738 11.516   M4.0V 148 0
76 BD+02 1729 PM* 07 39 23.0389345608 +02 11 01.193811648 12.328 11.055 9.589 8.683 7.777 M0.0V 157 0
77 LP 783-2 PM* 07 40 19.3718248157 -17 24 45.912945536   17.6 16.696 14.695 12.37 M6.5Ve 98 0
78 V* YZ CMi PM* 07 44 40.1723046464 +03 33 08.875227574 13.761 12.831 11.225 9.958 8.263 M4.0Ve 957 0
79 RX J0747.2+5020 PM* 07 47 13.8680133168 +50 20 38.498352432   14.75 13.09 12.752   M4.0Ve 50 0
80 G 253-6 PM* 07 55 53.9285264465 +83 23 04.942987417   14.2   12.7   M5.0V 87 0
81 G 111-47 PM* 07 58 12.7020660564 +41 18 13.314829358   13.67 13.912 11.698   M3.5V 125 0
82 Ross 619 PM* 08 11 57.5691729379 +08 46 22.952885566   14.60 12.834 12.527   M4.5V 227 0
83 L 674-15 PM* 08 12 40.8889728169 -21 33 06.982558553   13.81 12.13 11.75 9.24 M3.5V 130 0
84 G 113-20 PM* 08 16 07.9813123847 +01 18 09.265205331 12.824 11.63 10.091 9.071 7.851 M2.0V 163 0
85 PM J08293+0355 PM* 08 29 21.9129480528 +03 55 09.339586896     11.437 11.036   M2.5V 43 1
86 G 51-15 PM* 08 29 49.3527921926 +26 46 33.624143059   16.87   14.736   M6.5Ve 326 0
87 G 252-13 PM* 08 31 30.1192199475 +73 03 45.775727249   14.61   12.5   M4.0V 64 0
88 G 234-37 PM* 08 35 49.0405553065 +68 04 09.128184973   13.420   11.1   M3.0V 72 0
89 * rho01 Cnc B PM* 08 52 40.8627422125 +28 18 58.821345244   14.80   12.814   M4.5V 177 0
90 LP 666-9 BD* 08 53 36.1604798120 -03 29 32.197505547     18.959 16.781 14.487 M9Ve 274 1
91 G 252-25 PM* 08 59 56.2023588311 +72 57 36.273223807   16.05   13.4   M5V 41 0
92 LP 368-128 PM* 09 00 23.5461184051 +21 50 04.901331010   17.3 16.100 14.09 11.85 M6.5Ve 81 0
93 G 234-53 PM* 09 02 52.8711652430 +68 03 46.574142368   14.0 12.622 12.357 9.75 M4.0V 59 0
94 LSPM J0902+7138 PM* 09 02 56.1635064864 +71 38 13.313119920   14.4   12.958   ~ 14 0
95 G 234-57A PM* 09 13 23.8593652295 +68 52 31.026354731           ~ 7 0
96 HD 79210 SB* 09 14 22.7748624830 +52 41 11.791503353   9.388   6.8   K7V 349 0
97 G 48-20 PM* 09 30 44.5853914894 +00 19 21.593852255 14.533 13.298 11.710 10.583 9.127 M3.5V 124 0
98 Ross 85 PM* 09 41 10.3603358111 +13 12 34.424165469 13.097 11.891 10.370 9.371 8.182 M2.5V 158 0
99 G 195-36 PM* 09 42 23.1912874069 +55 59 01.265847897   14.2   11.3   M3V 73 0
100 G 236-1 PM* 09 42 34.8407291884 +70 02 01.964331947   11.86 10.58 9.53 8.24 M2.5Ve 113 0
101 G 236-2 PM* 09 42 51.7275258471 +70 02 21.878099108       10.6   M3.5Ve 127 0
102 L 750-52 PM* 09 44 47.3482075476 -18 12 48.969096059   14.19 12.455 12.103 9.67 M3.5Ve 84 0
103 G 161-71 LM* 09 44 54.1925104432 -12 20 54.376191714   15.47 13.646 13.467 10.353 M5.0V 86 0
104 BD+76 3952 PM* 09 46 48.4860560984 +76 02 38.100552672   11.925 10.764 9.7 8.59 M1.5V 101 0
105 BD-11 2741 PM* 09 51 09.6399896923 -12 19 47.479148223 12.595 11.478 10.016 9.078 8.073 dM0.5 131 0
106 Wolf 327 PM* 09 53 30.9082873440 +35 34 16.718737548   14.58   12.637   dM3.0 25 0
107 G 146-5 PM* 09 59 45.9851893680 +47 12 11.262166488   15.2   13.678   M4V 35 0
108 Wolf 346 PM* 10 08 42.1197513024 +35 32 49.140463452   13.96   12.404   M1.5 24 0
109 BD-03 2870 PM* 10 12 17.6682499584 -03 44 44.392042932 11.941 10.757 9.264 8.258 7.066 M2V 283 1
110 MCC 573 PM* 10 16 45.9486335041 -11 57 42.405573294 13.559 12.464 10.998 9.953 8.624 dM3.0 112 0
111 LP 212-62 LM* 10 23 51.8609158608 +43 53 33.125996112   16.9   14.4   M5.0V 30 0
112 BD-09 3070 PM* 10 25 10.8371110693 -10 13 43.290945639 12.834 11.631 10.139 9.161 8.051 M1V 166 0
113 G 162-70 PM* 10 35 01.1174982552 -09 24 38.578905216   13.66 12.110 11.02 9.63 dM3.0 45 0
114 G 146-58 PM* 10 41 37.8758891762 +37 36 39.161243746   14.64   12.4   M4.0V 81 1
115 LP 731-58 PM* 10 48 12.6142508200 -11 20 09.610693470     15.784 16.01 11.25 M6.5V 198 0
116 Wolf 358 BY* 10 50 52.0312380389 +06 48 29.259617410 14.532 13.319 11.675 10.459 8.889 M4V 298 0
117 LP 731-76 PM* 10 58 27.9887062200 -10 46 30.497787012   16.20 14.50 14.175   M5.0V 56 0
118 Ross 104 PM* 11 00 04.2570074282 +22 49 58.645009946 12.826 11.584 10.020 8.952 7.646 M4V 222 0
119 V* DS Leo BY* 11 02 38.3420210088 +21 58 01.700013360 12.246 11.049 9.572 8.638 7.634 M1.0Ve 269 0
120 BD+44 2051 PM* 11 05 28.5769490063 +43 31 36.386948721 11.440 10.270   7.9   M1.0V 368 0
121 G 176-15 PM* 11 10 51.5218817887 +47 57 02.039258750   16.7   13.7   M4V 40 0
122 HD 97101B PM* 11 11 02.5374902488 +30 26 41.311142783   12.39 9.983 8.99 7.83 M2V 148 0
123 LP 733-99 LM* 11 20 06.1045187904 -10 29 46.727203956   12.734 11.250 10.887   M2.0V 65 0
124 LP 672-42 PM* 11 30 41.8255691610 -08 05 42.989331704 14.764 13.558 12.010 10.893 9.45 M3.0V 61 0
125 LP 375-23 MS* 11 42 18.3739352064 +23 01 36.672243672   12.46 11.41 11.146   M0.5V 53 0
126 LP 733-71 PM* 11 46 42.9131118835 -14 00 51.785571654 14.331 13.19 11.700 10.639 9.287 M3V 101 0
127 BD+36 2219 LM* 11 51 07.3365505565 +35 16 19.248218463   11.30 9.802 9.420 7.64 M1.5V 210 0
128 LP 734-32 PM* 12 10 05.6012378997 -15 04 16.961252810   13.64 12.083 11.912 9.35 dM3.5 87 0
129 L 758-108 PM* 12 11 11.7596362272 -19 57 38.070669636 14.475 13.276 11.709 10.619 9.253 dM3.0 92 1
130 V* GL Vir PM* 12 18 59.3997287457 +11 07 33.773236317   15.68 13.90 13.55   M4.5Ve 191 0
131 Ross 695 PM* 12 24 52.5030065444 -18 14 32.257135052 13.954 12.863 11.272 10.243 8.991 dM2.0 159 0
132 BD+09 2636 PM* 12 31 15.8050762158 +08 48 38.164661724 12.386 11.138 9.664 8.748 7.822 M0V 148 0
133 LP 795-38 PM* 12 37 21.5655146521 -20 52 35.506283034   14.813 13.280 13.080 10.54 dM4.0 49 0
134 Wolf 461 PM* 13 00 33.5221795982 +05 41 07.996620384   15.12   13.041   M4.5Ve 156 0
135 G 177-25 LM* 13 10 12.6292548340 +47 45 18.673788877   16.11   14.249   M5.0V 91 0
136 Ross 486A PM* 13 28 21.0789955596 -02 21 37.096021716 13.984 12.827 11.336 10.258 8.874 dM3.0 92 0
137 Ross 1015 PM* 13 42 43.2690775265 +33 17 24.324438875   14.38 13.896 11.672   M4V 108 0
138 BD+18 2776 PM* 13 45 05.0807843112 +17 47 07.568699617 12.325 11.192 9.750 8.863 8.003 M1V 142 0
139 HD 119850 PM* 13 45 43.7755597223 +14 53 29.471707437 10.989 9.894 8.50 7.465 6.363 M2V 402 0
140 L 762-51 PM* 13 45 50.7146864110 -17 58 05.611644235 14.581 13.423 11.872 10.725 9.226 dM3.5 115 0
141 LP 21-224 PM* 13 53 38.7946024320 +77 37 08.150208096   14.4   12.525   M4.0Ve 60 0
142 Ross 837 PM* 13 58 13.9217646744 +12 34 43.903031753   13.91   11.886   M3.5Ve 71 0
143 BD+81 465 PM* 14 08 12.9798572880 +80 35 50.191855308       9.6   M3V 89 1
144 FBS 1415+456 PM* 14 17 22.1027369232 +45 25 46.006326264   15.73 14.21 13.93   dM5.0 47 0
145 * tet Boo B PM* 14 25 11.5803569799 +51 49 53.102309357   14.1 11.458 11.189   M2.5V 91 0
146 BD+24 2733 PM* 14 25 43.4748820082 +23 37 01.490279666 12.398 11.169 9.720 8.811 7.877 M3V 141 0
147 BD+24 2733B PM* 14 25 46.6522460414 +23 37 13.708945219 12.631 11.432 9.973 9.039 8.047 M3V 112 0
148 NAME Proxima d Pl? 14 29 42.9461331854 -62 40 46.164680672           ~ 23 0
149 NAME Proxima Centauri b Pl 14 29 42.9461331854 -62 40 46.164680672           ~ 445 0
150 NAME Proxima Centauri PM* 14 29 42.9461331854 -62 40 46.164680672 14.21 12.95 11.13 9.45 7.41 M5.5Ve 1483 0
151 HD 127339 PM* 14 30 47.7168523480 -08 38 46.789970930 12.105 10.809 9.392 8.517 7.672 K7V 145 0
152 LP 560-35 LM* 14 32 08.5077273586 +08 11 31.249073981   17.9   14.6   M6V 56 0
153 G 66-37 PM* 14 52 28.5347382552 +12 23 32.797883688       11.181   M2.5V 67 0
154 Ross 1041 PM* 14 54 27.9073281084 +35 32 57.002157518   12.31   12.132   M3.5V 68 0
155 G 15-2 PM* 15 01 20.1077619098 +05 32 55.541449390   13.60 12.265 11.911   M3.0V 68 0
156 Ross 1047 PM* 15 09 35.5922555405 +03 10 00.552794932 14.131 12.986 11.473 10.405 9.052 M2V 96 0
157 G 136-72 PM* 15 10 04.8168271286 +19 21 27.483319398   15.0   13.031   dM4.0 37 0
158 V* OT Ser PM* 15 21 52.9325510712 +20 58 39.910874376 12.662 11.522 10.003 8.993 7.843 M1.0V 170 0
159 LP 502-56 PM* 15 30 30.3277933488 +09 26 01.442614776   16.5   14.918   M5.5V 54 0
160 G 256-25 PM* 15 49 55.1359495320 +79 39 51.588172332   16.3   14.408   M5.0V 46 0
161 BD-07 4156 PM* 15 59 53.3816776104 -08 15 11.540253528 13.197 11.999 10.487 9.497 8.365 M1V 104 0
162 G 137-78 PM* 16 02 50.9446538131 +20 35 21.036273556   14.19 12.56 11.4   M4V 95 0
163 HD 147379B BY* 16 16 45.3144811630 +67 15 22.481125328   12.20   10.310   M3.0V 173 0
164 G 180-60 LM* 16 31 18.7890584283 +40 51 51.705530284   16.5   14.550   M6V 87 0
165 G 138-39 PM* 16 32 45.1914759119 +12 36 45.996003308 14.65 13.642 12.158 11.115 9.771 M3.0V 70 0
166 G 138-64 PM* 16 46 13.7424594567 +16 28 40.792117609 14.346 13.15 11.68 11.28 9.272 M3.0V 80 0
167 Wolf 629 PM* 16 55 25.2222453644 -08 19 21.296969167 14.691 13.436 11.759 10.574 9.044 M3.5V 243 0
168 VB 8 LM* 16 55 35.2557374336 -08 23 40.753073075   18.7 16.916 14.566 12.24 M7Ve 457 0
169 G 19-7 PM* 16 57 05.7362228328 -04 20 56.318033870   13.92 12.25 10.99 9.432 dM4 122 0
170 HD 154363B PM* 17 05 13.7795704153 -05 05 39.246739252 12.571 11.486 10.071 9.101 7.958 M1.5V 197 0
171 Wolf 654 PM* 17 11 34.7478643872 +38 26 33.915333120       11.255   M4V 93 0
172 G 139-27 PM* 17 16 40.9809159936 +08 03 30.206482884 14.301 13.087 11.529 10.48 9.219 M2.5V 91 0
173 G 181-39 PM* 17 19 52.7123256416 +41 42 49.699619416   11.423   10.4   M2V 112 0
174 BD+05 3409 PM* 17 30 22.7283012480 +05 32 54.665357820 11.981 10.79 9.433 8.348 7.382 M1.0V 183 0
175 V* V1274 Her BY* 17 33 53.1782383296 +16 55 13.066432788   16.13 14.38 14.04 10.896 M6V 63 0
176 PM J17481+1558 PM* 17 48 11.2486899816 +15 58 46.742963556     13.261 12.831   dM3.0 11 0
177 G 140-19 PM* 17 54 17.1240184374 +07 22 44.804893375   14.66   12.863   M4V 60 0
178 G 204-39 PM* 17 57 50.9660613981 +46 35 19.127676045   13.97 11.64 11.3   M2.5V 104 0
179 G 182-34 PM* 18 01 16.1002287008 +35 35 50.495366783   14.90   13.327   M3.5Ve 32 0
180 G 227-22 Er* 18 02 16.6038674062 +64 15 44.241600544   14.74   13.010   M5.0V 103 0
181 G 182-36 PM* 18 02 46.2636314722 +37 31 02.972193703   16.68   13.9   dM5.0 69 0
182 HD 165222 PM* 18 05 07.5787518746 -03 01 52.749184670 12.09 10.878 9.360 8.385 7.304 M0V 268 0
183 G 154-44 PM* 18 07 32.8377103659 -15 57 47.068393789   15.44 13.48 12.08 10.31 M4.0Ve 115 0
184 LP 390-16 BY* 18 13 06.5715967944 +26 01 51.859334352   14.93   12.970   M4.0V 67 0
185 G 140-51 PM* 18 16 31.5398885912 +04 52 45.781871674   15.8   14.1   M5V 44 0
186 V* V401 Dra BY* 18 17 25.1255884056 +48 22 02.331245064   12.81 11.37 10.91   dM2.0 58 0
187 G 204-58 PM* 18 18 04.2267833420 +38 46 32.606023031   13.44 11.86 10.1   M3V 77 0
188 G 258-33 PM* 18 18 57.2325828283 +66 11 33.304331650   15.29   13.096   M4.5Ve 116 0
189 Ross 136 PM* 18 22 06.6761540824 +06 20 37.582801679   13.95   12.213   M4V 78 0
190 G 227-29 PM* 18 22 27.0947595389 +62 03 01.746625489   14.8   13.060   M4.0V 106 0
191 G 205-28 PM* 18 31 58.3750741522 +40 41 11.010512456   12.85 12.046 11.562   M3.5V 71 0
192 LSR J1835+3259 PM* 18 35 37.8801226673 +32 59 53.316099140   20.0   17.1   M8.5V 160 0
193 Ross 145 PM* 18 41 59.0357706782 +31 49 49.763356483   12.84 13.126 10.845   M2V 104 0
194 G 155-42 PM* 18 48 01.2689841187 -14 34 51.198310862   13.64 12.13 11.738   dM2.5 51 0
195 G 141-36 PM* 18 48 17.5373479643 +07 41 21.186505469   15.6   13.817   M5.0V 70 0
196 Ross 730 PM* 19 07 05.5646181264 +20 53 16.940417573 13.54 12.397 10.774 9.745 8.543 M2.0V 191 0
197 HD 349726 PM* 19 07 13.2039504383 +20 52 37.258158623 13.553 12.383 10.771 9.739 8.531 M2V 193 0
198 G 207-19 PM* 19 08 29.9254015849 +32 16 51.612413545   13.46   11.371   M3V 73 0
199 G 142-11 PM* 19 09 50.8723843447 +17 40 06.401499705       13.19 10.46 M4V 82 0
200 VB 10 PM* 19 16 57.6109547886 +05 09 01.600923413     17.30     M8V 499 1
201 G 185-18 PM* 19 21 38.7001955897 +20 52 03.284705570   15.13 13.42 13.116 10.44 M4.0Ve 92 0
202 G 261-6 PM* 19 24 16.3066691892 +75 33 11.845011179   17.30   14.4   M6V 48 0
203 Ross 164 PM* 19 25 08.4838700103 +28 21 13.796340910   14.04   12.128   M3.5V 55 0
204 LSPM J1925+0938 PM* 19 25 30.9143137536 +09 38 23.325281124   19.2   16.7   M8/9V 37 0
205 HD 184489 PM* 19 34 39.8398836218 +04 34 57.049538303 11.917 10.707 9.326 8.475 7.7 M0V 152 0
206 RX J1942.2-2045 PM* 19 42 12.8207494824 -20 45 47.976371352   15.84 14.27 13.87 11.25 M5.1V 36 0
207 G 208-42 PM* 19 51 09.3205973189 +46 29 00.213809780   14.47   12.544   M4.0Ve 235 0
208 LP 754-5 PM* 19 57 23.8042857418 -12 33 50.221221258     15.0 15.14 11.88 M5V 24 0
209 SCR J2009-0113 PM* 20 09 18.2477138814 -01 13 38.312815011   16.265 14.450 14.128 11.16 M5.0V 51 0
210 G 262-15 PM* 20 30 32.0453969319 +65 26 58.411357864   12.00   10.124   M3V 197 0
211 G 230-42 PM* 20 33 40.3194913707 +61 45 13.589938724   14.03   11.2   M4.0V 67 0
212 G 144-25 PM* 20 40 33.8632524043 +15 29 58.730061366   15.13 13.41 12.1 10.36 M4.5V 114 0
213 LP 816-60 PM* 20 52 33.0166041464 -16 58 29.003281943 14.094 13.029 11.458 10.251 8.658 M4V 135 0
214 HD 199305 PM* 20 53 19.7889212813 +62 09 15.817261385   10.459   7.7   M1.0V 258 0
215 LP 756-18 PM* 20 55 37.1152826965 -14 03 54.878638700   15.7 14.63 13.21 11.40 M4.5V 65 0
216 Wolf 896 PM* 20 56 46.5969248424 -10 26 54.747253252 14.112 12.999 11.487 10.428 9.106 dM2.5 116 0
217 Wolf 906 PM* 21 01 58.6411604621 -06 19 07.472265720 13.883 12.748 11.276 10.912 8.86 M2.5V 110 0
218 LP 397-41 PM* 21 28 14.1513063408 +26 37 47.065884420   13.16 12.81 12.6   ~ 10 1
219 Wolf 926 PM* 21 34 50.3389911820 +51 32 13.598224303   13.50   10.8   M2.5V 73 0
220 LSPM J2146+3813 PM* 21 46 22.0724658744 +38 13 04.977309828   13.3   11.867   M5V 69 0
221 Wolf 940 PM* 21 46 40.4228878204 -00 10 23.771502145   14.31 12.70 12.42   dM4.0 89 0
222 V* V374 Peg PM* 22 01 13.1241989539 +28 18 24.907312662       11.602   M3.5Ve 259 0
223 L 715-89 PM* 22 02 00.7931182538 -19 28 59.199818899   13.56 12.03 11.65   dM3.5 63 0
224 HD 209290 PM* 22 02 10.2750978279 +01 24 00.832158070 11.838 10.616 9.146 8.213 7.245 M0.5V 285 0
225 G 264-18 PM* 22 05 45.3647777311 +65 38 55.507967945   13.16 11.62 11.23   M1.5V 51 0
226 G 189-1 PM* 22 06 00.6662280633 +39 18 02.897475330   14.34   12.339   M3.0V 36 0
227 PM J22114+4059 PM* 22 11 24.1644532560 +40 59 58.701989112   16.963 15.139 14.925   M5.5V 48 0
228 Ross 271 PM* 22 11 30.0941051758 +18 25 34.304669630 12.852 11.737 10.232 9.204 7.965 M2V 129 0
229 L 788-34 PM* 22 23 06.9968051575 -17 36 26.333040286   15.135 13.316 12.878 10.04 M4.5Ve 120 0
230 BD+08 4887 PM* 22 33 02.2264417643 +09 22 40.719446757 13.119 11.905 10.373 9.399 8.329 M0V 131 0
231 V* EV Lac PM* 22 46 49.7312610268 +44 20 02.374381562   11.85 10.26 9.89   M4.0Ve 993 2
232 HD 216133 PM* 22 50 19.4243064528 -07 05 24.378878724 12.519 11.316 9.847 8.933 8.02 M0.5V 123 0
233 V* GT Peg BY* 22 51 53.5351209551 +31 45 15.192825225       11.281   M3.5Ve 174 0
234 LP 48-305 PM* 22 52 39.6966998736 +75 04 18.843628692   14.2   13.488   M4.5V 28 0
235 StKM 1-2065 PM* 22 55 59.8457038248 +17 48 39.797770284   11.76 10.558 10.063   M1.0V 61 0
236 G 68-8 PM* 23 21 37.4486739614 +17 17 25.391139752 14.299 13.236 11.710 10.514 8.942 M3.5V 126 0
237 BD+57 2735 PM* 23 24 30.5146230120 +57 51 15.517884924   11.56   9.586   M1.5V 140 0
238 Wolf 1039 PM* 23 34 03.3344616995 +00 10 45.877077137 13.721 12.638 11.160 10.141 8.881 M2/3V 109 0
239 G 157-77 PM* 23 35 10.4624266947 -02 23 20.613547105   16.60 14.69 14.447   M5.0Ve 126 0
240 BD-17 6785 PM* 23 38 08.1567206712 -16 14 10.201491564   12.830 11.288 11.079 9.08 M2V 76 0
241 Ross 248 BY* 23 41 55.0363002516 +44 10 38.818911116   14.19   11.1   M5.0V 361 0
242 G 130-4 PM* 23 43 06.3118372752 +36 32 13.137302361     12.67 12.298   M4.5Ve 133 0
243 V* BR Psc BY* 23 49 12.5250852078 +02 24 04.405476893 11.532 10.427 8.993 8.029 6.946 dM1 370 0
244 G 273-147 PM* 23 50 31.6428578432 -09 33 32.655368726   14.7   13.160   dM4.0 64 0
245 RX J2354.8+3831 PM* 23 54 51.4580576376 +38 31 36.200975556   14.78   12.94   M3.1V 57 0

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