2003A&A...410..671M


C.D.S. - SIMBAD4 rel 1.7 - 2019.10.23CEST01:06:13

2003A&A...410..671M - Astronomy and Astrophysics, volume 410, 671-684 (2003/11-1)

Dependence of coronal X-ray emission on spot-induced brightness variations in cool main sequence stars.

MESSINA S., PIZZOLATO N., GUINAN E.F. and RODONO M.

Abstract (from CDS):

The maximum amplitude (Amax) of spot-induced brightness variations from long-term V-band photometry and the ratio LX/Lbol between X-ray and bolometric luminosities are suitable indicators of the level of magnetic activity in the photosphere and in the corona of late-type stars, respectively. By using these activity indicators we investigate the dependence of coronal X-ray emission on the level of photospheric starspot activity in a homogeneous sample of low mass main sequence field and cluster stars of different ages (IC 2602, IC 4665, IC 2391, α Persei, Pleiades and Hyades). First, the activity-rotation connection at the photospheric level is re-analysed, as well as its dependence on spectral type and age. The upper envelope of A_ max_ increases monotonically with decreasing rotational period (P) and Rossby number (R0) showing a break around 1.1d that separates two rotation regimes where the starspot activity shows different behaviours. The A_ max_-P and Amax-R0 relations are fitted with linear, exponential and power laws to look for the function which best represents the trend of the data. The highest values of Amax are found among K-type stars and at the ages of α Persei and Pleiades. We also analyse the activity-rotation connection at the coronal level as well as its dependence on spectral type. The level of X-ray emission increases with increasing rotation rate up to a saturation level. The rotational period at which saturation occurs is colour-dependent and increases with advancing spectral type. Also the LX/Lbol-P and LX/Lbol-R0 relations are fitted with linear, exponential and power laws to look for the best fitting function. Among the fastest rotating stars (P≤0.3d) there is evidence of super-saturation. Also the highest values of LX/Lbol are found among K-type stars. Finally, the photospheric-coronal activity connection is investigated by using for the first time the largest ever sample of light curve amplitudes as indicators of the magnetic filling factor. The activity parameters L_ X/Lbol_ and Amax are found to be correlated with each other, thus confirming the dependence of coronal activity on photospheric magnetic fields. More precisely, the LX/Lbol-Amax distribution shows the presence of an upper envelope, which is constant at the LX/Lbol≃-3.0 saturation level, and of a lower envelope. The best fit to the lower envelope is given by a power law with steepness decreasing from F-G to M spectral types. However, it is considered a tentative result, since the fit reduced chi-squares are large. Such spectral-type dependence may be related to a colour dependence of Amax on the total starspot filling factor, as well as to the coronal emission being possibly more sensitive to starspot activity variations in F- and G-type than in M-type stars. The LX/Lbol-Amax mean values for each cluster in our sample decrease monotonically with increasing age, showing that the levels of photospheric and coronal activity evolve in time according to a single power law till the Sun's age.

Abstract Copyright:

Journal keyword(s): stars: activity - stars: late-type - stars: magnetic fields - stars: starspots - X-rays: stars

VizieR on-line data: <Available at CDS (J/A+A/410/671): table1.dat table2.dat refs.dat>

Simbad objects: 281

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Number of rows : 281

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2019
#notes
1 HD 987 Ro* 00 13 53.0105874824 -74 41 17.851248731   9.48 8.724   7.933 G8V 74 0
2 V* PW And RS* 00 18 20.8896176716 +30 57 22.127515298   9.78 8.86 8.3 7.78 K2V 101 1
3 * 9 Cet BY* 00 22 51.7883318927 -12 12 33.972374893 7.29 7.05 6.39     G2.5V 446 0
4 V* BZ Scl RS* 01 11 43.1703675943 -25 57 30.160821532   10.32 9.68 9.47 9.16 K0III+(G) 17 0
5 V* VZ Hor BY* 02 51 52.9736837241 -61 37 04.604352176   9.71 8.83   7.815 K1V 31 0
6 HD 17925 RS* 02 52 32.1281853696 -12 46 10.970649463 7.48 6.91 6.05 5.34 4.89 K1V 457 0
7 V* BZ Cet BY* 03 00 02.8120517172 +07 44 59.117432323 9.635 8.908 7.955 7.436 6.994 K2.5Vk 107 0
8 Cl Melotte 20 15 * 03 08 32.93 +47 24 38.1           ~ 3 0
9 Cl Melotte 20 25 * 03 08 45.611 +47 38 11.59   12.43 11.95     ~ 2 0
10 Cl Melotte 20 37 * 03 08 56.41 +48 43 34.2     12.61     ~ 8 0
11 HIP 14629 * 03 08 56.5971835619 +47 20 46.840003980   11.58 10.74     G0V 17 0
12 Cl Melotte 20 41 * 03 09 00.6320323088 +49 15 49.984061017   11.92 11.65     ~ 3 0
13 Cl Melotte 20 33 * 03 09 04.5544868781 +47 53 04.168132569   11.75 11.19     ~ 10 0
14 Cl Melotte 20 43 * 03 09 17.99 +48 17 39.3     12.84     ~ 8 0
15 Cl Melotte 20 60 * 03 09 37.2335962347 +49 53 26.418248516   11.92 11.82     ~ 3 0
16 Cl Melotte 20 75 * 03 09 43.5703998703 +51 36 23.438115609   12.40 11.76     ~ 2 0
17 ** COU 2455 ** 03 09 47.85 +50 51 53.1     12.78     ~ 9 0
18 HIP 14697 * 03 09 52.0793292462 +48 28 15.418447569   11.59 10.98     G3V 24 0
19 BD+48 856 * 03 10 04.9608402399 +49 09 47.899235796   10.92 10.39     F8 3 0
20 Cl Melotte 20 70 * 03 10 34.59 +47 38 39.1     12.83     ~ 8 0
21 HD 19538 * 03 10 40.1443016919 +51 28 21.083052366   9.65 9.25     ~ 10 0
22 BD+49 863 * 03 10 41.7664289190 +50 31 32.069039877   11.79 11.09     ~ 19 0
23 Cl Melotte 20 91 * 03 10 47.9065080898 +50 01 03.677561663   12.15 10.61     ~ 8 0
24 Cl Melotte 20 95 * 03 11 01.24 +49 21 57.3           ~ 3 0
25 Cl Melotte 20 96 * 03 11 06.60 +49 31 13.0           ~ 2 0
26 Cl Melotte 20 102 * 03 11 13.10 +49 39 25.2           ~ 2 0
27 HD 19625 * 03 11 18.0094761866 +47 13 30.981337291   9.51 9.42     A 5 0
28 Cl Melotte 20 109 * 03 11 18.7669779073 +50 00 46.192915368   11.30 10.73     ~ 2 0
29 Cl Melotte 20 100 * 03 11 20.1779302794 +49 01 20.384970528   12.29 11.59     ~ 8 0
30 Cl Melotte 20 117 * 03 11 23.80 +50 09 39.1     13.05     ~ 8 0
31 Cl Melotte 20 98 * 03 11 24.13 +48 35 15.9     12.80     ~ 8 0
32 Cl Melotte 20 110 * 03 11 26.1554534710 +49 29 41.915038915   12.43 11.65     ~ 7 0
33 HD 232762 * 03 11 30.2849631880 +51 05 10.897091235   10.59 9.18     K5 7 0
34 Cl Melotte 20 112 * 03 11 33.2455600051 +49 06 59.253815384   12.41 11.90     ~ 7 0
35 Cl Melotte 20 101 * 03 11 35.05 +47 59 22.8     13.85     ~ 8 0
36 Cl Melotte 20 108 * 03 11 35.6188464258 +48 38 39.979511325   11.77 11.30     ~ 2 0
37 HD 19636 * 03 11 37.1205995422 +49 16 04.691709229   10.19 9.02     ~ 13 0
38 HD 19655 * 03 11 41.1503926022 +48 03 14.802107850   8.95 8.64     F1Vnn 20 0
39 Cl Melotte 20 119 * 03 11 53.40 +48 09 54.6           ~ 2 0
40 Cl Melotte 20 114 * 03 12 00.20 +47 17 00.7     13.30     ~ 8 0
41 Cl Melotte 20 124 * 03 12 03.36 +48 23 36.3           ~ 3 0
42 Cl Melotte 20 120 * 03 12 04.45 +47 34 03.4           ~ 2 0
43 Cl Melotte 20 121 * 03 12 08.3821416240 +47 23 30.649234092   11.78 11.45     ~ 2 0
44 Cl Melotte 20 122 * 03 12 15.5523453178 +46 59 03.325691423   12.29 11.74     ~ 2 0
45 HD 19721 * 03 12 25.9651390475 +49 10 07.888119276   9.52 9.10     G8V 7 0
46 Cl Melotte 20 139 * 03 12 34.0567549863 +47 06 39.759366417   11.96 12.36     ~ 3 0
47 Cl Melotte 20 156 * 03 12 51.5142566675 +47 35 35.077657193   11.84 11.78     ~ 3 0
48 BD+46 704 * 03 13 00.4283142937 +47 05 48.904840920   10.88 10.32     G0 2 0
49 HD 19805 * 03 13 05.2561549699 +49 00 33.855732950   8.07 7.96     B9.5V 73 0
50 Cl Melotte 20 169 * 03 13 27.8661658581 +47 20 30.908312777   9.82 9.76     ~ 4 0
51 Cl Melotte 20 189 * 03 13 47.000 +47 24 27.98   12.64 11.82     ~ 2 0
52 Cl Melotte 20 193 * 03 13 49.6002766135 +47 19 19.284760181   11.88 11.46     G5-6V 5 0
53 HD 19901 * 03 13 49.6068822069 +47 55 06.146840015   9.35 7.64     K5 5 0
54 HD 19864 PM* 03 13 50.1737103183 +51 47 05.174888184 10.016 8.26 7.86     F5 22 0
55 HD 19893 * 03 13 50.3330068684 +49 34 07.962393074   7.183 7.155     B9V 35 0
56 Cl Melotte 20 196 * 03 13 54.8534790560 +47 00 37.294170252   11.97 11.60     ~ 2 0
57 Cl Melotte 20 197 * 03 13 54.9672568961 +47 16 26.195580783   12.10 11.63     ~ 2 0
58 Cl Melotte 20 201 * 03 13 57.9961342939 +47 19 28.795303136   10.46 9.88     F8V 8 0
59 HD 19921 * 03 14 03.9148338808 +47 48 09.418251370   7.81 7.73     B9 5 0
60 HD 19908 * 03 14 03.9695481444 +50 22 47.708273968   9.49 9.01     F4III 17 0
61 Cl Melotte 20 211 * 03 14 06.2746797871 +47 53 10.386762614           ~ 2 0
62 HD 19955 * 03 14 08.3513179410 +46 48 17.180333999   9.78 8.75     K0 3 0
63 HD 19954 * 03 14 16.6034458138 +48 34 40.239394051   9.53 9.22     A3 26 0
64 Cl Melotte 20 244 * 03 14 33.5466272054 +50 24 28.620514791   11.59 10.44     ~ 3 0
65 HD 20017 Be* 03 14 55.3116610721 +48 41 44.862931515 8.07 8.13 7.91     B5Ve 33 0
66 Cl Melotte 20 258 * 03 14 56.1472393580 +50 33 39.082620857   12.60 11.74     ~ 3 0
67 Cl Melotte 20 257 * 03 15 01.2568996769 +50 00 28.380533793   10.28 10.16     ~ 3 0
68 Cl Melotte 20 256 * 03 15 22.77 +47 16 41.1           ~ 2 0
69 V* V522 Per BY* 03 18 27.4050004778 +47 21 15.382617166   12.26 11.42     G3 31 0
70 * kap01 Cet BY* 03 19 21.6963205 +03 22 12.715139 5.71 5.52 4.85 4.27 3.91 G5V 811 0
71 V* V484 Per BY* 03 22 21.9198509634 +49 08 27.728460091   12.07 11.37     G6V 50 0
72 Cl Melotte 20 601 * 03 24 17.0663164479 +49 39 00.289721827   12.16 11.43     G6 27 0
73 * alf Per V* 03 24 19.3700924 +49 51 40.245455 2.64 2.27 1.79     F5Ib 791 2
74 V* V531 Per BY* 03 24 49.7160283185 +48 52 18.293582625   12.41 11.62     G5 42 0
75 Cl Melotte 20 628 * 03 24 58.7668955657 +50 15 24.101331727   11.75 11.20     F0 9 0
76 V* V688 Per BY* 03 26 04.2107430389 +48 48 07.028032941   11.16 10.59     F9V 26 0
77 Cl Melotte 20 696 * 03 26 19.3612946597 +49 13 32.494576942   12.37 11.61     G3 26 0
78 V* V532 Per BY* 03 26 22.2273870866 +49 25 37.502101730   11.98 11.27     G2-3V 50 0
79 Cl* Melotte 20 AP 158 * 03 26 33.7116272346 +50 13 54.506559272   12.78 11.93   11.11 K0 11 0
80 Cl Melotte 20 OpC 03 26 42 +48 48.0           ~ 741 0
81 Cl Melotte 20 709 * 03 26 43.9195771387 +49 54 34.392603259   11.7 10.7     G0V 19 0
82 V* V630 Per BY* 03 28 22.5412417193 +49 14 29.364953491   13.77 12.78   11.91 K0 16 0
83 BD+48 937 * 03 31 28.9923896147 +48 59 28.356175382   10.69 10.08     F9.5V 23 0
84 * eps Eri BY* 03 32 55.8449634 -09 27 29.731165 5.19 4.61 3.73 3.00 2.54 K2V 1658 1
85 HD 21845 BY* 03 33 13.4903859633 +46 15 26.544579583   8.963 8.250 7.8 7.34 K2 71 0
86 V* V488 Tau Fl* 03 39 29.1985818048 +23 29 57.746176995   15.60 14.23   12.50 ~ 19 0
87 V* V500 Tau Fl* 03 42 21.5412501486 +24 39 52.819480694   15.89 14.48   12.66 ~ 33 0
88 V* V810 Tau BY* 03 43 02.9440187407 +24 40 11.148085663 15.149 12.97 12.03   10.98 G8 52 0
89 V* V623 Tau Fl* 03 43 36.9150623386 +24 23 38.323845226 18.373 15.68 14.30     K5.5e 52 0
90 V* V963 Tau BY* 03 43 37.7296428161 +23 32 09.562231360 11.82 11.4 10.6     G5V 50 0
91 V* MR Tau Fl* 03 43 52.1466705634 +24 50 29.809356789   16.00       K7V 51 0
92 V* V1272 Tau BY* 03 44 03.5398304809 +24 30 15.281992829   11.8 10.762   9.933 G1V 55 0
93 Cl Melotte 22 250 SB* 03 44 04.2464661452 +24 59 23.415056429   11.4 10.7     G2 52 0
94 V* V1168 Tau BY* 03 44 04.8393546146 +24 16 31.874779484   12.42 11.54     G4 54 0
95 V* V966 Tau BY* 03 44 11.2145626551 +23 22 45.576125392   12.30 11.46     ~ 73 0
96 V* V1169 Tau BY* 03 44 13.9194998314 +24 46 45.826286870   11.50 10.80     G0 54 0
97 V* V1038 Tau BY* 03 44 20.0899109759 +24 47 46.204314184   11.2 10.4 10.3   G1-2V 101 0
98 V* V1084 Tau RS* 03 44 20.5108218037 +24 46 22.290495014   11.92 11.04 10.7   G5V 55 0
99 V* V632 Tau Fl* 03 44 21.9055414709 +24 46 06.290169505   14.00 12.96     G3 62 0
100 V* MX Tau Fl* 03 44 23.0586604015 +24 04 05.898383804   15.01 13.76     M: 57 0
101 V* V1170 Tau BY* 03 44 26.2759767969 +24 35 22.937157369 14.435 12.288 11.461   10.520 G8V 61 0
102 V* NP Tau ** 03 44 28.0059032691 +24 10 17.620980832 15.965   13.46     M: 64 0
103 V* V811 Tau BY* 03 45 21.1860798578 +23 43 38.887563927 14.771 13.67 12.57   11.24 G5 64 0
104 V* OU Tau Fl* 03 45 32.9382648825 +24 18 11.647131333   14.63 13.36   12.02 K4V 80 0
105 V* V1085 Tau BY* 03 45 35.3980085416 +24 04 59.559709596   10.73 11.92 10.04 9.37 F2 64 0
106 V* V1041 Tau Fl* 03 45 39.4017141586 +23 45 15.471979694 14.355 13.42 12.26   10.83 G2V 52 0
107 V* V855 Tau BY* 03 45 40.1778138922 +24 37 38.018154490   10.6 9.9   9.05 F9V 73 1
108 V* V969 Tau BY* 03 45 42.1185203606 +24 54 21.622880032   10.18 9.56   8.82 G0V 111 1
109 V* V812 Tau BY* 03 46 04.1262048432 +23 24 19.877345678 14.725 13.73 12.66   11.62 K3V 58 0
110 V* V813 Tau BY* 03 46 06.5020075572 +24 34 02.742362973   13.82 12.76 12.66 11.59 G5 53 0
111 V* V789 Tau Fl* 03 46 06.9043718345 +24 33 46.130276255   14.14 13.02 13.07 11.75 ~ 47 0
112 Cl Melotte 22 885 ** 03 46 07.775880 +24 52 00.72624   13.15 12.17 11.86 10.87 K3 46 0
113 V* V1189 Tau BY* 03 46 12.8676307816 +24 03 15.755099143   15.59 14.22   12.48 KV 37 0
114 BD+23 521 * 03 46 17.9920498683 +23 29 11.939829292 11.984 11.4 10.6   9.59 F8V 34 0
115 V* V641 Tau Fl* 03 46 27.7742103991 +23 35 33.769607527 15.602 14.28 13.05   11.52 K0V 70 0
116 V* V1171 Tau BY* 03 46 28.4125117042 +24 26 02.156288777   11.85 11.10 10.5 10.26 G5V 62 1
117 V* V814 Tau BY* 03 46 39.3862690551 +24 01 46.866367238   13.04 12.12   11.24 K3V 67 0
118 V* V1065 Tau RS* 03 46 40.2472957641 +23 29 51.879318554 14.016 13.01 12.02   10.93 G7V 61 0
119 Cl Melotte 22 OpC 03 47 00 +24 07.0           ~ 2908 0
120 V* V535 Tau Fl* 03 47 03.5821837829 +24 09 34.871060040   15.93 14.58   12.72 K8 51 0
121 V* V644 Tau Fl* 03 47 07.3433566482 +23 13 34.892200851   14.71 13.52   12.09 K6.5e 45 0
122 V* V815 Tau BY* 03 47 13.5325041925 +23 42 51.435969695   13.45 12.41   11.43 K4V 63 0
123 V* V1172 Tau BY* 03 47 38.0074106459 +23 28 04.974513505   14.87 13.50   12.10 K6 34 0
124 HD 282967 * 03 47 40.4454129069 +24 21 52.410858016   11.12 10.48   9.79 G5 60 0
125 V* V541 Tau Fl* 03 47 41.1816627383 +23 44 25.020226497   15.21 13.95   12.37 ~ 44 0
126 V* QX Tau Fl* 03 47 41.4392248602 +23 58 18.941719392   14.85 13.58   12.11 K8e 74 0
127 V* V338 Tau Fl* 03 47 59.7361155222 +24 43 52.745169615   14.71 13.51   12.00 K6e 57 0
128 BD+23 551 * 03 48 16.9037341265 +23 38 12.420812672 10.74 10.67 10.11   9.48 F9V 53 0
129 2MASS J03481705+2337435 * 03 48 17.0456577503 +23 37 43.567517812           F9V 24 0
130 V* V660 Tau Fl* 03 48 28.0287247729 +23 18 02.730679014   13.66 12.60   11.43 K2V 76 0
131 V* V545 Tau Fl* 03 48 49.3189792350 +23 58 38.134081190   13.61 12.65   11.50 K2.5e 74 0
132 V* V664 Tau Fl* 03 49 20.5940855970 +24 46 35.976003209   13.71 12.67   11.40 K2.5V 65 0
133 V* V1089 Tau BY* 03 49 24.0458986758 +23 50 21.287818903   12.13 11.35     ~ 42 0
134 V* V1090 Tau BY* 03 49 33.1188947718 +23 47 43.403671068   11.58 10.87   10.19 G4V 45 0
135 V* V1173 Tau BY* 03 50 05.0527189382 +24 07 26.255088338   15.39 14.04   12.39 K7e 34 0
136 V* V1174 Tau BY* 03 50 34.5787251206 +24 30 27.977721259   13.60 12.60   11.52 G8 42 1
137 V* V1175 Tau BY* 03 50 40.0721754185 +23 55 58.948696856   10.9 10.5   9.61 F9 55 0
138 V* V1176 Tau BY* 03 50 54.3588780269 +23 50 05.237700840   12.43 11.48 10.99 10.47 K2 59 0
139 V* V378 Tau Fl* 03 51 05.5717129180 +24 44 12.405504692   15.14 13.89   12.35 K4e 49 0
140 V* V1193 Tau BY* 03 51 12.0723110923 +23 55 57.493961129   16.40 14.74   12.90 M2Ve 32 0
141 V* V382 Tau Fl* 03 51 25.3410474038 +23 53 21.767393973   15.419 14.060   12.392 K9V: 36 0
142 V* V677 Tau Fl* 03 51 29.9391572628 +23 53 57.260596984   14.66 13.49   12.06 K6V: 45 0
143 V* V816 Tau BY* 03 51 53.3859483764 +24 23 13.077396311   13.67 12.69   11.54 K0V 64 0
144 V* V679 Tau TT* 03 52 02.2217462456 +24 39 47.690003665   13.57 11.41 11.89 10.77 K3V 113 0
145 HD 25893 BY* 04 07 34.35408 +38 04 28.3533   7.99 7.08     G9V(k) 133 0
146 HD 26913 BY* 04 15 25.7871510436 +06 11 58.749263209 7.790 7.580 6.920 6.554 6.195 G8V 194 0
147 V* V984 Tau BY* 04 16 33.4774691433 +21 54 26.882967639   9.944 9.125     ~ 140 0
148 HD 285690 BY* 04 18 19.2715240400 +16 05 17.992757273   10.532 9.548 9.015 8.557 K0 120 0
149 V* V893 Tau BY* 04 18 57.9744787270 +19 54 24.125770975   9.345 8.597 8.192 7.829 G9V 119 0
150 HD 27406 BY* 04 20 12.9666887102 +19 14 00.523124676   8.016 7.444 7.131 6.826 F9V+ 167 0
151 V* V988 Tau BY* 04 23 22.8412094141 +19 39 31.555238662   10.290 9.381     K0 101 0
152 V* V989 Tau BY* 04 23 25.2802710304 +15 45 47.247630096   11.885 10.472 10.19   K5V 98 0
153 V* V895 Tau BY* 04 24 12.4682935138 +14 45 29.532981115   8.217 7.583 8.43   G0V(e) 205 0
154 V* V990 Tau BY* 04 24 16.9397523417 +18 00 10.515757018   11.035 9.966 9.364 8.864 K5V 98 0
155 HD 27859 BY* 04 24 28.3272372657 +16 53 10.202274804   8.382 7.790     G2V 196 0
156 HD 285742 BY* 04 25 00.2471123212 +16 59 05.631230062   11.276 10.248 9.665 9.178 K4V 74 0
157 V* V992 Tau BY* 04 26 05.8321048864 +15 31 27.616476211 8.11 8.027 7.472 7.161 6.858 ~ 143 0
158 V* V906 Tau BY* 04 26 24.6147463863 +16 51 12.093831724 8.86 8.69 8.05 7.51 7.16 G1V 205 0
159 HD 28099 BY* 04 26 40.1215422118 +16 44 48.884181598 8.98 8.78 8.12 7.56 7.23 G2+V 354 0
160 Cl Melotte 25 OpC 04 26 54.00 +15 52 00.0           ~ 2581 0
161 HG 7-232 BY* 04 28 28.776432 +17 41 45.39120   13.58 12.12 11.88   M0.5Ve 51 0
162 V* V918 Tau BY* 04 28 37.2159666702 +19 44 26.482689542   9.316 8.580 8.182 7.816 G5 114 0
163 HD 28344 BY* 04 28 48.2983169461 +17 17 07.686115512 8.57 8.456 7.837 7.498 7.180 G2V 247 0
164 V* V1104 Tau BY* 04 29 00.1513106406 +16 20 46.807910500   15.81 14.28 14.11   M1.5 33 0
165 HD 285805 BY* 04 29 30.9847018452 +16 14 41.229394927   11.48 10.629 10.02   K4V 79 0
166 HD 285773 BY* 04 29 31.6063189199 +17 53 35.461078275 10.28 9.761 8.934 8.486 8.093 K0V 169 0
167 V* V996 Tau BY* 04 32 50.1178154510 +16 00 21.011696091   9.85 8.900 9.02   K0V 101 0
168 V* V997 Tau BY* 04 32 59.4512598102 +15 49 08.285618403   9.396 8.641 8.235 7.867 ~ 146 0
169 HD 28992 BY* 04 34 35.3101760915 +15 30 16.643497474   8.530 7.898 7.556 7.226 ~ 180 0
170 HD 29310 BY* 04 37 31.9781330179 +15 08 47.331434720   8.153 7.545     G0 153 0
171 HD 29697 BY* 04 41 18.8553438360 +20 54 05.447950758 10.064 9.12 7.985 7.313 6.666 K4V 146 0
172 V* V1005 Ori BY* 04 59 34.8341800543 +01 47 00.672080375   11.48 10.107 9.603 8.239 M0Ve 292 0
173 V* V1192 Ori RS* 05 00 08.2195451291 +03 17 12.021405034   8.75 7.503   6.223 K1/2III 76 0
174 * 111 Tau BY* 05 24 25.4629773342 +17 23 00.729080928   5.52   4.7   F8V 312 0
175 HD 36705 TT* 05 28 44.8916324761 -65 26 55.289846904 8.259 7.856 6.999 6.496 5.993 K0V 908 0
176 V* UX Col RS* 05 28 56.5176 -33 28 15.537   11.72 10.567   9.312 K3Ve 26 0
177 V* AG Lep BY* 05 30 19.0812135005 -19 16 31.830596018   10.22 9.54   8.96 G5V 14 0
178 V* AH Lep BY* 05 34 09.1626094625 -15 17 03.184918816   9.08 8.363   7.649 G2V 36 0
179 V* UY Pic RS* 05 36 56.8530716709 -47 57 52.884166166   8.77 7.676   6.699 K0V 103 0
180 HD 37394 BY* 05 41 20.3357283721 +53 28 51.810629854 7.58 7.07 6.23 5.54 5.11 K1 289 0
181 * chi01 Ori RS* 05 54 22.9829893 +20 16 34.222038 5.08 5.00 4.40 3.90 3.59 G0V 789 0
182 HD 42807 RS* 06 13 12.5027477683 +10 37 37.713412362   7.12   6.0   G5V 199 0
183 V* AO Men BY* 06 18 28.2084971476 -72 02 41.446399943   11.06 9.809 9.299 8.456 K4Ve 107 0
184 V* V1358 Ori BY* 06 19 08.0574744469 -03 26 20.358775839   8.52 7.95     G0V 83 1
185 V* V369 Gem RS* 07 02 23.3215884894 +25 50 45.557038989   8.73 7.987   7.174 G5 23 0
186 V* YZ CMi BY* 07 44 40.1726285952 +03 33 08.877830321 13.761 12.831 11.225 9.958 8.263 M4.0Ve 767 0
187 * 9 Pup SB* 07 51 46.30295 -13 53 52.9169   5.760 5.16     G0V 227 0
188 V* V478 Hya BY* 08 22 49.9528448767 +01 51 33.554224835   9.30 8.711   7.999 G1/2V 84 2
189 V* pi.01 UMa BY* 08 39 11.7043265307 +65 01 15.268273190 6.33 6.26 5.64 5.12 4.79 G0.5V 508 0
190 V* V364 Vel BY* 08 39 53.0495740630 -52 57 56.846374033   12.75 11.89 11.69   K0 28 0
191 V* V365 Vel BY* 08 40 06.2326031581 -53 38 06.873693649   11.07 10.47 10.44   G0 27 0
192 IC 2391 OpC 08 40 32 -53 02.0           ~ 703 0
193 V* V366 Vel BY* 08 41 25.8877080443 -53 22 41.466903428   13.63 12.519   11.277 K3e 25 0
194 V* V367 Vel BY* 08 41 39.6674296696 -52 59 34.029546036   14.63 12.613     K7.5e 19 0
195 V* V368 Vel BY* 08 41 57.8483931741 -52 52 13.940974469   14.59 13.76 12.74 12.03 K7e 25 0
196 V* V369 Vel BY* 08 42 04.9312217012 -52 53 53.910921305           M3e 9 0
197 V* V370 Vel BY* 08 42 14.7557674323 -52 56 02.331406760   11.51 10.462   9.620 G9V 19 0
198 V* V371 Vel BY* 08 42 18.5565275193 -53 01 56.872918365   15.44       M2e 24 0
199 V* V373 Vel BY* 08 43 27.7497668528 -52 57 39.103970087       14.12   ~ 16 0
200 V* V372 Vel BY* 08 43 27.8599683939 -52 57 35.899821256       13.51   ~ 15 0
201 V* V374 Vel BY* 08 43 29.2912717798 -52 41 28.326566376   12.59       K0 12 0
202 V* V375 Vel BY* 08 43 39.7969456981 -52 58 30.934605753           ~ 6 0
203 V* V376 Vel BY* 08 44 05.2223844826 -52 53 17.191727447   11.37 10.75 10.74   G3e: 27 0
204 V* V377 Vel BY* 08 44 26.1594105936 -52 42 32.327540858   12.27 11.51 11.23   G9 27 0
205 V* V379 Vel BY* 08 45 26.9315535133 -52 52 02.103937104   13.79 12.76 12.54   K3e 25 0
206 V* V380 Vel BY* 08 45 39.1345972494 -52 25 59.545499157   10.35 9.88 9.98   F8 21 0
207 V* HL Cnc BY* 09 01 22.7761816093 +10 43 58.529263885   9.51 8.88     G0 21 0
208 HD 78644 PM* 09 08 17.1488035726 -37 06 53.530598559   8.86 8.22     G3V 35 0
209 V* LQ Hya BY* 09 32 25.5684079124 -11 11 04.687410738 9.316 8.761 7.891 7.288 6.815 K1Vp 393 0
210 HD 82443 BY* 09 32 43.7594363452 +26 59 18.708212270   7.78   6.6   G9V(k) 211 1
211 HD 88230 Fl* 10 11 22.1400209197 +49 27 15.249158750 9.23 7.94 6.61 5.36 4.56 K6VeFe-1 415 0
212 V* V544 Car BY* 10 36 18.2440221228 -64 14 56.482138683   16.68       ~ 12 0
213 V* V545 Car BY* 10 36 26.4266168100 -65 00 16.449073520   15.85       ~ 12 0
214 V* V546 Car BY* 10 36 37.9550871490 -64 47 53.790413380   13.84       ~ 15 0
215 V* V547 Car BY* 10 37 22.2702464798 -64 43 19.977027037   16.67       ~ 12 0
216 V* V548 Car BY* 10 37 49.4170800550 -64 00 50.489347121   16.69       ~ 13 0
217 RX J1039.2-6440 * 10 39 14.3244388427 -64 40 49.017719502   17.25 15.72 15.82   ~ 6 0
218 V* V549 Car BY* 10 39 54.9423188633 -63 36 24.388928977   16.43       ~ 11 0
219 V* V550 Car BY* 10 39 55.9704110995 -63 59 30.092005397   13.10       ~ 15 0
220 V* V551 Car BY* 10 40 30.1809936996 -64 42 16.708970919   16.31       ~ 12 0
221 V* V552 Car BY* 10 40 51.3525815891 -64 42 47.875858869   13.26       ~ 13 0
222 2MASS J10410006-6420006 * 10 41 00.0598461487 -64 20 00.689021749   16.74 15.36     ~ 8 0
223 V* V554 Car BY* 10 41 45.2527310895 -64 28 03.530858832   15.02       ~ 13 0
224 V* V555 Car BY* 10 42 07.0838573415 -64 46 07.836732097   12.40       G 21 0
225 V* V556 Car BY* 10 42 28.1546208781 -64 36 12.763583343   17.19       ~ 12 0
226 V* V557 Car BY* 10 42 41.5159999215 -64 21 04.332236022   11.26 12.03     G2V 49 0
227 GSC 08965-00231 * 10 42 56.1040605299 -63 55 51.140312188   12.77 11.90 11.77   G8 11 0
228 IC 2602 OpC 10 42 58 -64 24.0           ~ 538 0
229 V* V558 Car BY* 10 44 06.8105449584 -63 59 35.056780744   11.75       G4 24 0
230 V* V559 Car BY* 10 44 22.5514609452 -64 15 30.116315015   11.61       G0 27 0
231 V* V561 Car BY* 10 44 59.6197041373 -65 02 19.072859384   11.44 10.88 10.54 10.128 G0 24 0
232 V* V562 Car BY* 10 45 18.5498037589 -63 32 26.429422198   15.59       ~ 13 0
233 V* V563 Car BY* 10 45 30.02 -64 25 20.9   11.59       G5 19 0
234 V* V564 Car BY* 10 46 14.8321738556 -64 02 58.059292881   11.43 10.89     ~ 20 0
235 V* V565 Car BY* 10 46 35.3088063889 -64 03 44.595705294   13.86 12.66 12.38   ~ 12 0
236 V* V566 Car BY* 10 46 51.8026481354 -63 34 15.763559240   14.19       ~ 15 0
237 V* V567 Car BY* 10 48 18.3424798038 -64 09 53.140964124   11.0       G 25 0
238 V* V568 Car BY* 10 48 25.3946143710 -64 22 43.951339372   15.16       ~ 13 0
239 V* V569 Car BY* 10 49 26.2216180023 -64 38 59.808893165   14.72       ~ 13 0
240 V* V570 Car BY* 10 49 48.4011302045 -64 46 28.465324676   12.26 11.32     G9Ve 26 0
241 V* V571 Car BY* 10 49 56.8362121363 -63 48 19.075055245   14.19       ~ 15 0
242 V* DS Leo BY* 11 02 38.3419263291 +21 58 01.704479733 12.246 11.049 9.572 8.638 7.634 M1.0V 157 0
243 HD 98712 BY* 11 21 26.66383 -20 27 13.6236           K7V+M2.5Ve 87 1
244 HD 111395 BY* 12 48 47.0482457374 +24 50 24.820252955   6.98   5.8   G5V 162 0
245 * bet Com PM* 13 11 52.3937856 +27 52 41.453553 4.92 4.84 4.25 3.77 3.47 F9.5V 837 0
246 * e Vir PM* 13 16 46.5161591991 +09 25 26.967205938   5.81   4.8   G0V 495 1
247 LHS 2713 PM* 13 16 51.0517063595 +17 01 01.840304856   7.69 6.66     K2V 249 0
248 HD 118100 Fl* 13 34 43.2063348511 -08 20 31.335294003 11.578 10.552 9.372 8.602 7.930 K5Ve 320 0
249 V* EK Dra BY* 14 39 00.2109485496 +64 17 29.977371998   8.243 7.604     G1.5V 367 0
250 HD 134319 BY* 15 05 49.9042264447 +64 02 49.941455806   9.05 8.41 8.0   G5V: 108 0
251 * 12 Oph BY* 16 36 21.4492997704 -02 19 28.512485729 7.00 6.55 5.77 5.13 4.74 K1V 440 0
252 HD 152391 BY* 16 52 58.8025427362 -00 01 35.116299669   7.40 6.64     G8.5Vk: 330 0
253 V* V2215 Oph RS* 17 16 13.3627374963 -26 32 46.133091527   7.50 6.34   4.8 K5V 274 0
254 HD 160934 Fl* 17 38 39.6170537492 +61 14 16.102424643   11.34 10.15   8.99 K7Ve 86 0
255 V* V2316 Oph BY* 17 45 19.3989120040 +05 47 40.120507486   14.60 13.716   12.696 G6 23 0
256 V* V2317 Oph BY* 17 45 19.6433501210 +05 36 54.753586938   13.49 12.729   11.711 G0 12 0
257 V* V2318 Oph BY* 17 45 25.0724490176 +05 51 38.871228673   14.39 13.716   12.697 G5 21 0
258 Cl* IC 4665 P 94 * 17 45 53.0949308185 +05 36 29.204409424   14.27 14.243   13.149 G8 16 0
259 V* V2319 Oph BY* 17 45 56.7967052608 +05 22 33.440185055   13.42 12.620   11.682 G0 13 0
260 V* V2321 Oph BY* 17 46 11.9799187111 +05 41 25.876956611   15.43 14.407   13.074 K0 20 0
261 IC 4665 OpC 17 46 18 +05 43.0           ~ 307 0
262 V* V2299 Oph BY* 17 46 25.7090852168 +05 31 09.083346946   13.16 12.342   11.351 F7 11 0
263 V* V2322 Oph BY* 17 46 26.0912207214 +05 49 42.317594624   13.68       F9 18 0
264 V* V2325 Oph BY* 17 47 33.3158158719 +05 31 46.025406597   13.94 13.126   12.107 G4 22 0
265 V* V2326 Oph BY* 17 47 44.0280943857 +05 21 59.235139144   14.43       G5 15 0
266 V* EY Dra BY* 18 16 16.7813769184 +54 10 21.761728162   13.69 11.84     dM1.5e 65 0
267 V* V1075 Her BY* 18 16 24.7676129204 +50 14 16.341838019   9.57 8.92     G5 11 0
268 V* V889 Her BY* 18 34 20.1030244573 +18 41 24.234582456   8.00 7.449   6.720 G2V 116 0
269 MCC 188 SB* 18 55 27.4098476143 +08 24 09.030584198 12.858 11.737 10.194 9.09 7.69 M3Ve 188 0
270 * 15 Sge PM* 20 04 06.2209062328 +17 04 12.677429047   6.41   5.4   G0V 331 0
271 V* AU Mic BY* 20 45 09.5323695486 -31 20 27.241710746   10.05 8.627 9.078 6.593 M1VeBa1 868 0
272 HD 206860 BY* 21 44 31.3299733695 +14 46 18.982331039       6.16   G0V+ 439 1
273 V* V383 Lac BY* 22 20 07.0254836275 +49 30 11.763794475   9.42 8.58     K1V 70 0
274 V* GT Peg BY* 22 51 53.5351541240 +31 45 15.195567260       11.281   M3.5V 128 0
275 V* TW PsA BY* 22 56 24.0532946025 -31 33 56.035064606   7.58 6.48     K4Ve 263 0
276 HD 217813 BY* 23 03 04.9774272436 +20 55 06.862793297 7.364 7.249 6.616 6.279 5.948 G1V 97 0
277 V* HK Aqr BY* 23 08 19.5510988144 -15 24 35.768241707 13.4 12.282 10.872 9.964 9.019 M0Ve 182 0
278 HD 220140 RS* 23 19 26.6384866318 +79 00 12.671002116   8.43 7.54 7.17 6.76 G9V 121 1
279 V* BS Psc BY* 23 52 24.3674530771 -00 55 59.824960217   11.48 10.76     G7V 17 0
280 [RSP95] 15A X ~ ~   12.67 11.75     ~ 4 0
281 [RSP95] 24A * ~ ~   16.04 14.61     ~ 10 0

    Equat.    Gal    SGal    Ecl

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2019.10.23-01:06:13

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