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: 54

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Number of rows : 54
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 V* LN Peg RS* 00 12 30.2951225569 +14 33 48.897713959   9.40   8.0   G8V+K5V 111 0
2 HD 2133 ** 00 24 41.2143700680 -74 14 04.412748156   10.23 9.62     F7V 38 0
3 V* BK Psc RS* 00 39 42.1680689320 +10 39 13.676734430   11.73 10.488 10.038 8.933 K5V+M3V 62 0
4 BD+08 102 CV* 00 44 01.3184370888 +09 32 58.122644748   10.94 10.219   9.176 K2V+DA2.1 47 0
5 V* CS Cet PM* 01 06 49.0268665176 -22 51 21.222715824   8.63 7.79     K0IV(e) 67 0
6 V* BI Cet RS* 01 22 50.2948434816 +00 42 43.397347032   9.01 8.162 7.8 7.302 G5V 119 0
7 HD 8357 XB* 01 22 56.7568636416 +07 25 09.332224320 8.530 8.160   6.8   G5 181 0
8 HD 9770 ** 01 35 01.0078925286 -29 54 37.342172838 8.605 8.03 7.096 6.551 6.035 K1V 162 0
9 HD 16699A PM* 02 38 44.2802146584 -52 57 03.053026188   8.374 7.86     F8V 19 0
10 HD 16699B PM* 02 38 45.0461482320 -52 57 08.451210924   9.15 8.41     G8V 20 0
11 HD 18131 Ro* 02 54 38.8273538856 -05 19 50.946069432   8.32 7.31     K0IV+DA: 76 0
12 HD 24916 PM* 03 57 28.6990190160 -01 09 34.070478444 10.224 9.166 8.014 7.336 6.724 K4V 157 0
13 HD 25457 TT* 04 02 36.7442719512 -00 16 08.119921152   5.88 5.38     F7V 293 0
14 V* V1221 Tau BY* 04 05 53.4199914648 +05 31 25.129544728   16.984 15.366 15.220   M3e 26 0
15 * 63 Eri SB* 04 59 50.4534782856 -10 15 47.916588204   6.180 5.390     G4IV-V+DA 118 1
16 * zet Dor PM* 05 05 30.6556741368 -57 28 21.736898832   5.215 4.708     F9VFe-0.5 267 0
17 V* AS Col RS* 05 20 38.0482052304 -39 45 17.797423968   7.89 7.38   6.81 F6V 82 1
18 V* AG Lep BY* 05 30 19.0810600968 -19 16 31.831620600   10.22 9.54   8.96 G5V 27 0
19 V* AH Lep BY* 05 34 09.1623884232 -15 17 03.185067228   9.08 8.363   7.649 G2V 57 0
20 V* UY Pic RS* 05 36 56.8528399368 -47 57 52.883969472   8.77 7.676   6.699 K0V 147 0
21 V* AT Col BY* 05 37 05.3022359544 -39 32 26.420607096   10.45 9.552   8.567 K1V(e) 31 0
22 V* AI Lep RS* 05 40 20.7318851664 -19 40 10.934370120   9.58 8.95   8.335 G2V 43 0
23 V* XZ Pic SB* 05 45 13.4015150496 -59 55 25.620008016   10.10 9.218   8.261 K0V(e) 44 0
24 V* V1355 Ori RS* 06 02 40.3603759560 -00 51 37.225252080   10.05 9.194   8.080 K0-2IV 54 0
25 HD 41824 RS* 06 04 46.68146 -48 27 29.8706       7.57   G7VpkCH-1 103 0
26 V* HY CMa EB* 06 12 38.8091032992 -16 48 36.397207584   10.33 9.318   8.116 K0 29 0
27 HD 43162 LM* 06 13 45.2953762392 -23 51 42.971547996   7.068 6.366 5.94 5.61 G6.5V 200 0
28 V* AO Men PM* 06 18 28.2078302088 -72 02 41.447954904   11.06 9.809 9.299 8.456 K4Ve 153 0
29 V* V1358 Ori BY* 06 19 08.0574987312 -03 26 20.361237864   8.52 7.95     G0V 128 0
30 HD 48189 BY* 06 38 00.3532489704 -61 32 00.114167796         5.46 G1VCH-0.5 152 0
31 BD-00 1712 RS? 07 25 13.8925783800 -00 25 37.336544328   10.449 9.751 9.630 8.075 K5 25 0
32 V* V592 Pup RS* 08 25 17.7158436912 -34 22 01.248394368   8.47 7.86     G1IV 40 0
33 V* V402 Hya BY* 08 53 12.0881508072 -07 43 21.158270760   9.75 9.087   8.023 K0III 27 0
34 HD 78644 EB? 09 08 17.1487566312 -37 06 53.534162124   8.86 8.22     G3V 46 0
35 SAO 98614 PM* 09 30 34.9989564504 +10 35 59.818900740       8.2   ~ 44 1
36 V* GS Leo BY* 09 30 35.8344623016 +10 36 06.245858376       8.3   G9V 64 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 480 0
38 HD 96064 BY* 11 04 41.4723234155 -04 13 15.920363614   8.41 7.64     G8V 153 0
39 HD 118100 PM* 13 34 43.2063495866 -08 20 31.338030204 11.578 10.552 9.372 8.602 7.930 K5Ve 360 0
40 V* DF Cir RS* 14 17 51.4433258232 -68 02 49.271811972   8.07 7.55   6.917 F6V 35 0
41 V* KW Lup TT* 15 45 47.6002137432 -30 20 55.746457152   10.34 9.37   7.956 K2V 77 0
42 V* NZ Lup BY* 15 53 27.2916958608 -42 16 00.710765508   8.48 7.975   7.213 G2 112 0
43 * iot01 Nor C PM* 16 03 30.8653424091 -57 46 35.240356594         8.84 ~ 15 0
44 HD 143937 EB* 16 04 02.8340440203 -21 55 40.148817418   9.54 8.73   7.520 K0IV(e) 55 0
45 LP 861-66 PM* 16 04 03.1619623047 -21 55 49.522423725     11.2     K7 21 0
46 V* V2369 Oph Ro* 17 17 34.6878073 +10 24 58.911792   9.19 8.474   7.615 G5 37 0
47 V* V889 Her BY* 18 34 20.1028767504 +18 41 24.234675864   8.00 7.449   6.720 G2V 151 0
48 HD 195434 ** 20 31 13.46402 +05 13 08.5147   9.61 9.20 8.85 7.736 K0V 74 0
49 HD 195434A SB* 20 31 13.4643308125 +05 13 08.524495459   10.21 9.40     K2 82 0
50 V* BO Mic BY* 20 47 45.0056152368 -36 35 40.769832192   10.39 9.337   8.216 K3V(e) 214 0
51 HD 199143 PM* 20 55 47.6748292416 -17 06 51.061731768   7.84 7.32 8.29   F8V 133 0
52 HD 217411 ** 23 00 35.6323 -07 04 09.138   10.36 9.71     G3V+K0V+DA 46 0
53 HD 222259A RS* 23 39 39.4808078664 -69 11 44.707735104   9.161 8.226 9.28 7.352 G6V 190 0
54 HD 223816 ** 23 53 04.2979578696 -70 23 28.569574500   10.36 9.85     F5IV 41 0

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