1999A&AS..138...87C

Query : 1999A&AS..138...87C

1999A&AS..138...87C - Astron. Astrophys., Suppl. Ser., 138, 87-99 (1999/July-0)

Classification of EUV stellar sources detected by the ROSAT WFC. I. Photometric and radial velocity studies.

CUTISPOTO G., PASTORI L., TAGLIAFERRI G., MESSINA S. and PALLAVICINI R.

Abstract (from CDS):

We present the results of high-precision UBV(RI)c photometric observations and of spectroscopic radial velocity measurements obtained at the European Southern Observatory for a sample of 51 cool stars detected in the EUV by the ROSAT Wide Field Camera (WFC). Using also recent results from HIPPARCOS, we infer spectral types and investigate the single or binary nature of the sample stars. Optical variability, with periods in the 0.4-13 day range, has been detected for the first time in 15 of these stars.

Abstract Copyright: ∼

Journal keyword(s): stars: activity - stars: late-type - stars: pre-main sequence - stars: variables - X-rays: stars

VizieR on-line data: <Available at CDS (J/A+AS/138/87): table1.dat table2.dat table5.dat lcurves.dat dcurves.dat average.dat phot.dat figures.dat fig/*>

Simbad objects: 53

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Number of rows : 53
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 V* LN Peg RS* 00 12 30.2951225569 +14 33 48.897713959   9.40   8.0   G8V+K5V 103 0
2 HD 2133 ** 00 24 41.2143700680 -74 14 04.412748156   10.23 9.62     F7V 35 0
3 V* BK Psc RS* 00 39 42.1680689320 +10 39 13.676734430   11.73 10.488 10.038 8.933 K5V+M3V 59 0
4 BD+08 102 CV* 00 44 01.3184370888 +09 32 58.122644748   10.94 10.219   9.176 K2V+DA2.1 42 0
5 V* CS Cet PM* 01 06 49.0268665176 -22 51 21.222715824   8.63 7.79     K0IV(e) 58 0
6 V* BI Cet RS* 01 22 50.2948434816 +00 42 43.397347032   9.01 8.162 7.8 7.302 G5V 111 0
7 HD 8357 XB* 01 22 56.7568636416 +07 25 09.332224320 8.530 8.160   6.8   G5 171 0
8 HD 9770 EB* 01 35 01.0078925286 -29 54 37.342172838 8.605 8.03 7.096 6.551 6.035 K1V 153 0
9 HD 16699A Er* 02 38 44.2802146584 -52 57 03.053026188   8.374 7.86     F8V 15 0
10 HD 16699B PM* 02 38 45.0461482320 -52 57 08.451210924   9.15 8.41     G8V 15 0
11 HD 18131 Ro* 02 54 38.8273538856 -05 19 50.946069432   8.32 7.31     K0IV+DA: 65 0
12 HD 24916 Er* 03 57 28.6990190160 -01 09 34.070478444 10.224 9.166 8.014 7.336 6.724 K4V 140 0
13 HD 25457 TT* 04 02 36.7442719512 -00 16 08.119921152   5.88 5.38     F7V 265 0
14 V* V1221 Tau BY* 04 05 53.4199914648 +05 31 25.129544728   16.984 15.366 15.220   M3e 24 0
15 * 63 Eri SB* 04 59 50.4534782856 -10 15 47.916588204   6.180 5.390     G4IV-V+DA 109 1
16 * zet Dor PM* 05 05 30.6556741368 -57 28 21.736898832   5.215 4.708     F9VFe-0.5 238 0
17 V* AS Col RS* 05 20 38.0482052304 -39 45 17.797423968   7.89 7.38   6.81 F6V 74 1
18 V* AG Lep BY* 05 30 19.0810600968 -19 16 31.831620600   10.22 9.54   8.96 G5V 22 0
19 V* AH Lep BY* 05 34 09.1623884232 -15 17 03.185067228   9.08 8.363   7.649 G2V 46 0
20 V* UY Pic RS* 05 36 56.8528399368 -47 57 52.883969472   8.77 7.676   6.699 K0V 135 0
21 V* AT Col BY* 05 37 05.3022359544 -39 32 26.420607096   10.45 9.552   8.567 K1V(e) 29 0
22 V* AI Lep RS* 05 40 20.7318851664 -19 40 10.934370120   9.58 8.95   8.335 G2V 34 0
23 V* XZ Pic Er* 05 45 13.4015150496 -59 55 25.620008016   10.10 9.218   8.261 K0V(e) 38 0
24 V* V1355 Ori RS* 06 02 40.3603759560 -00 51 37.225252080   10.05 9.194   8.080 K0-2IV 44 0
25 HD 41824 RS* 06 04 46.68146 -48 27 29.8706       7.57   G7VpkCH-1 100 0
26 V* HY CMa EB* 06 12 38.8091032992 -16 48 36.397207584   10.33 9.318   8.116 K0 25 0
27 HD 43162 LM* 06 13 45.2953762392 -23 51 42.971547996   7.068 6.366 5.94 5.61 G6.5V 174 0
28 V* AO Men Er* 06 18 28.2078302088 -72 02 41.447954904   11.06 9.809 9.299 8.456 K4Ve 140 0
29 V* V1358 Ori BY* 06 19 08.0574987312 -03 26 20.361237864   8.52 7.95     G0V 116 0
30 HD 48189 BY* 06 38 00.3532489704 -61 32 00.114167796   6.747 6.182   5.46 G1/2V 141 0
31 V* V789 Mon RS* 07 25 13.8925783800 -00 25 37.336544328   10.34 9.385   8.075 K5 22 0
32 V* V592 Pup RS* 08 25 17.7158436912 -34 22 01.248394368   8.47 7.86     G1IV 37 0
33 V* V402 Hya BY* 08 53 12.0881508072 -07 43 21.158270760   9.75 9.087   8.023 K0III 22 0
34 HD 78644 EB* 09 08 17.1487566312 -37 06 53.534162124   8.86 8.22     G3V 42 0
35 SAO 98614 PM* 09 30 34.9989564504 +10 35 59.818900740       8.2   ~ 41 1
36 V* GS Leo BY* 09 30 35.8344623016 +10 36 06.245858376       8.3   G9V 59 0
37 V* LQ Hya BY* 09 32 25.5683895648 -11 11 04.692242760 9.316 8.761 7.891 7.288 6.815 K1Vp 459 0
38 HD 96064 BY* 11 04 41.4723255984 -04 13 15.920344704   8.41 7.64     G8V 136 0
39 HD 118100 Er* 13 34 43.2063495866 -08 20 31.338030204 11.578 10.552 9.372 8.602 7.930 K5Ve 346 0
40 V* DF Cir RS* 14 17 51.4433258232 -68 02 49.271811972   8.07 7.55   6.917 F6V 31 0
41 V* KW Lup PM* 15 45 47.6002137432 -30 20 55.746457152   10.34 9.37   7.956 K2V 70 0
42 V* NZ Lup BY* 15 53 27.2916958608 -42 16 00.710765508   8.48 7.975   7.213 G2 100 0
43 * iot01 Nor C PM* 16 03 30.8653424091 -57 46 35.240356594         8.84 ~ 13 0
44 HD 143937 EB* 16 04 02.8340440203 -21 55 40.148817418   9.54 8.73   7.520 K0IV(e) 48 0
45 LP 861-66 PM* 16 04 03.1619623047 -21 55 49.522423725     11.2     K7 17 0
46 V* V2369 Oph Ro* 17 17 34.6878073 +10 24 58.911792   9.19 8.474   7.615 G5 35 0
47 V* V889 Her BY* 18 34 20.1028767504 +18 41 24.234675864   8.00 7.449   6.720 G2V 139 0
48 HD 195434 EB* 20 31 13.46402 +05 13 08.5147   9.61 9.20 8.85 7.736 K0V 71 0
49 V* BO Mic BY* 20 47 45.0056152368 -36 35 40.769832192   10.39 9.337   8.216 K3V(e) 198 0
50 HD 199143 PM* 20 55 47.6748292416 -17 06 51.061731768   7.84 7.32 8.29   F8V 123 0
51 HD 217411 ** 23 00 35.6323 -07 04 09.138   10.36 9.71     G3V+K0V+DA 40 0
52 HD 222259A RS* 23 39 39.4808078664 -69 11 44.707735104   9.161 8.226 9.28 7.352 G6V 144 0
53 HD 223816 ** 23 53 04.2979578696 -70 23 28.569574500   10.36 9.85     F5IV 37 0

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