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Running No.: 680   CNS designation: Gl 331 A    HD:  76644    HIP:  44127   BD: +48° 1707    YPC: 2143.00   LHS: 2084   

RA (2000):  08 59 13   Dec (2000):  +48 02.5  
RA (1950):  08 55 48   Dec (1950):  +48 14.4  
RA (1900):  08 52 22   Dec (1900):  +48 26.1  

µ(RA):  -.443 "/yr   µ(Dec):  -.232 "/yr     Total Proper Motion:   0.500 "/yr  242.4°  

V :  3.14    B-V:  .19    U-B:  .07    Spectral Type:  A7 IV   

Trig. Par.:  71.2 ± 8.0  mas   Obs.  (good accord.)    Res. Par. (Trig. Par.):  71.2  ± 8.0  mas     Distance:  14.04  ± 1.58 pc  

MV :  2.40    M Qual.: c     RV: + 7.6 km/s   RV Qual.: b   

Space Velocity:     U:  -027  km/s    V:  -013  km/s    W:  -017 km/s

Additional Designations: ADS 7114 IOT UMa  

Notes:  no SB: Abt&Levy ApJ188,291-74  


Other ARICNS component(s):  Gl  331  B    and   Gl  331  C   


HIPPARCOS DATA

 Hipp P__HIP_H2___RA____J2000__Dec________V___v_S10__piH______pma_____pmd____

      N 44127| | 8 59 12.45|+48  2 30.6| 3.12| |H |  68.32| -441.11| -215.22|


__sRA___sDec___spi____spma___spmd___-%__F2____Bt_____sig___Vt_____sig__

  0.67|  0.49|  0.79|  0.84|  0.48|  2| 1.32| 3.393|0.002| 3.159|0.002|


36__B-V___sig__s_V-I__sig__s_43__Hp_____sig____Hmax__Hmin_period 52.3.4_

 | 0.223|0.003|T|0.25|0.00|L| | 3.1880|0.0006| 3.18| 3.20|       | | | |


___CCDM___56.7_58_59.0.1_62_pa____sep____sig__d(Hp)_sig__S_C_N_

08592+4803|I| 1| 1| | | |  |   |       |     |     |    |S| | |


    U      V      W      sU    sV    sW

  -27.4  -13.0  -17.2    1.3    .3   1.2




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Updated: 05 November 1998

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