Astronomisches Rechen-Institut Heidelberg

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Running No.: 1450   CNS designation: Gl 698 A    HIP:  87768   BD: +18° 3497    YPC: 4090.12   Vys: 798A   

RA (2000):  17 55 45   Dec (2000):  +18 30.0  
RA (1950):  17 53 34   Dec (1950):  +18 30.4  
RA (1900):  17 51 23   Dec (1900):  +18 31.0  

µ(RA):  -.049 "/yr   µ(Dec):  -.043 "/yr     Total Proper Motion:   0.065 "/yr  228.4°  

V :  9.22    B-V:  1.19    U-B:  1.17    V-Rc:  .63:    R-Ic:  .62    Spectral Type:  dK8   

Trig. Par.:  32.1 ± 10.4  mas   Obs.  (good accord.)    Res. Par. (SpT/UBVRI) :  43.6  ± 8.9  mas     Distance:  22.94  ± 4.68 pc  

MV :  7.42    M Qual.: d     RV: - 29.2 km/s   RV Qual.: a   

Space Velocity:     U:  -016  km/s    V:  -024  km/s    W:  -007 km/s

Notes:  cpm K5 + early M, d(m)= 2.54 : Stocke et al. ApJS76,813-91  


Other ARICNS component(s):  Gl  698  B   


HIPPARCOS DATA

 Hipp P__HIP_H2___RA____J2000__Dec________V___v_S10__piH______pma_____pmd____

      N 87768| |17 55 44.90|+18 30  1.4| 9.22|2|GA|  43.40|  -45.94|  -47.79|


__sRA___sDec___spi____spma___spmd___-%__F2____Bt_____sig___Vt_____sig__

  1.64|  1.67|  2.21|  1.74|  1.69|  1| 0.95|10.631|0.032| 9.342|0.018|


36__B-V___sig__s_V-I__sig__s_43__Hp_____sig____Hmax__Hmin_period 52.3.4_

A| 1.180|0.015|G|1.14|0.01|I| | 9.2990|0.0243| 9.24| 9.35|       |U| | |


___CCDM___56.7_58_59.0.1_62_pa____sep____sig__d(Hp)_sig__S_C_N_

17557+1830|H| 1| 2|C| |D|AB| 47| 18.788|0.088| 3.00|0.35| | |D|


    U      V      W      sU    sV    sW

  -15.6  -24.6   -7.5     .6    .6    .3




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Updated: 05 November 1998

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