Astronomisches Rechen-Institut Heidelberg

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Running No.: 2218   CNS designation: GJ 1229    HD: 171067    HIP:  90864   BD: +13° 3677    YPC: MC23.05  

RA (2000):  18 32 10   Dec (2000):  +13 44.1  
RA (1950):  18 29 52   Dec (1950):  +13 41.8  
RA (1900):  18 27 34   Dec (1900):  +13 39.6  

µ(RA):  .116 "/yr   µ(Dec):  .116 "/yr     Total Proper Motion:   0.164 "/yr   45.1°  

V :  7.22    B-V:  .68    U-B:  .20:    V-Rc:  .38    R-Ic:  .32    Spectral Type:  G8 V   

Trig. Par.:  42.8 ± 4.2  mas   Obs.       Res. Par. (Trig. Par.):  42.8  ± 4.2  mas     Distance:  23.36  ± 2.29 pc  

MV :  5.38    M Qual.: c     RV: - 45.5 km/s   RV Qual.: a   

Space Velocity:     U:  -044  km/s    V:  -017  km/s    W:  -014 km/s

Notes:  new pi_t Ianna et al. AJ111,492-96  



HIPPARCOS DATA

 Hipp P__HIP_H2___RA____J2000__Dec________V___v_S10__piH______pma_____pmd____

      N 90864| |18 32 10.46|+13 44 11.6| 7.20| |H |  39.73|  112.72|  122.93|


__sRA___sDec___spi____spma___spmd___-%__F2____Bt_____sig___Vt_____sig__

  0.74|  0.53|  0.90|  0.83|  0.69|  0| 1.24| 8.049|0.009| 7.270|0.007|


36__B-V___sig__s_V-I__sig__s_43__Hp_____sig____Hmax__Hmin_period 52.3.4_

 | 0.692|0.009|T|0.75|0.01|L| | 7.3374|0.0013| 7.32| 7.37|       |C| | |


___CCDM___56.7_58_59.0.1_62_pa____sep____sig__d(Hp)_sig__S_C_N_

          | |  | 1| | | |  |   |       |     |     |    |S| | |


    U      V      W      sU    sV    sW 

  -45.0  -16.3  -13.4     .6    .6    .2




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Updated: 4 March 1998

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