Astronomisches Rechen-Institut Heidelberg

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Running No.: 559   CNS designation: Gl 271 A    HD:  56986    HIP:  35550   BD: +22° 1645    YPC: 1718.00  

RA (2000):  07 20 07   Dec (2000):  +21 59.0  
RA (1950):  07 17 08   Dec (1950):  +22 04.6  
RA (1900):  07 14 09   Dec (1900):  +22 10.0  

µ(RA):  -.025 "/yr   µ(Dec):  -.015 "/yr     Total Proper Motion:   0.029 "/yr  239.1°  

V :  3.54 c   B-V:  .34 J   U-B:  .04 J   Spectral Type:  F1 IV-V   

Trig. Par.:  57.9 ± 5.9  mas   Obs.  (good accord.)    Res. Par. (Trig. Par.):  57.9  ± 5.9  mas     Distance:  17.27  ± 1.76 pc  

MV :  2.35 c   M Qual.: c     RV: - .3 km/s   RV Qual.: c   

Space Velocity:     U:  +000  km/s    V:  +000  km/s    W:  -002 km/s

Additional Designations: DEL Gem BS 2777 ADS 5983  

Notes:  V(AB) = 3.52 d(m) = 4.67 ; no SB: Tremaine ea. AJ79,649  


Other ARICNS component(s):  Gl  271  B   


HIPPARCOS DATA

 Hipp P__HIP_H2___RA____J2000__Dec________V___v_S10__piH______pma_____pmd____

      N 35550| | 7 20  7.38|+21 58 56.4| 3.50| |G+|  55.45|  -18.72|   -7.76|


__sRA___sDec___spi____spma___spmd___-%__F2____Bt_____sig___Vt_____sig__

  5.81|  4.11|  0.85| 11.31|  5.00|  0| 1.44| 3.946|0.002| 3.579|0.002|


36__B-V___sig__s_V-I__sig__s_43__Hp_____sig____Hmax__Hmin_period 52.3.4_

 | 0.374|0.015|G|0.44|0.03|C| | 3.6031|0.0007| 3.60| 3.61|       | | | |


___CCDM___56.7_58_59.0.1_62_pa____sep____sig__d(Hp)_sig__S_C_N_

07201+2159|I| 1| 1|O| | |  |   |       |     |     |    |S| |D|


    U      V      W      sU    sV    sW

    -.2     .0   -1.7    3.4   1.1   1.4




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Updated: 05 November 1998

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