Astronomisches Rechen-Institut Heidelberg

ARICNS ARI Data Base for Nearby Stars


Star Page



Running No.: 1755   CNS designation: Gl 831 A    HIP: 106255   YPC: 5184.00   LHS:  511   

RA (2000):  21 31 19   Dec (2000):  -09 47.4  
RA (1950):  21 28 34   Dec (1950):  -10 00.6  
RA (1900):  21 25 49   Dec (1900):  -10 13.7  

µ(RA):  1.197 "/yr   µ(Dec):  -.059 "/yr     Total Proper Motion:   1.198 "/yr   92.8°  

V :  12.06 c   B-V:  1.69 J   U-B:  1.20 J   V-Rc:  1.31 J   R-Ic:  1.67 J   Spectral Type:  M4.5 V J   

Trig. Par.: 125.8 ± 2.3  mas   Obs.  (good accord.)    Res. Par. (Trig. Par.): 125.8  ± 2.3  mas     Distance:  7.95  ± .15 pc  

MV : 12.56 c   M Qual.: a     RV: - 56.6 km/s   RV Qual.: a   

Space Velocity:     U:  -064  km/s    V:  -034  km/s    W:  +005 km/s

Additional Designations: Wolf 922  

Notes:  V(AB) = 11.98 d(m) = 2.83: (AJ 93,1245)  


Other ARICNS component(s):  Gl  831  B   


HIPPARCOS DATA

 Hipp P__HIP_H2___RA____J2000__Dec________V___v_S10__piH______pma_____pmd____

      N106255c |21 31 18.60|- 9 47 26.4|11.96| |G | 137.72| 1144.55|  -57.98|


__sRA___sDec___spi____spma___spmd___-%__F2____Bt_____sig___Vt_____sig__

  4.24|  2.73|  4.57|  6.51|  3.18| 14| 2.84|      |     |      |     |


36__B-V___sig__s_V-I__sig__s_43__Hp_____sig____Hmax__Hmin_period 52.3.4_

 | 1.703|0.046|G|2.99|0.00|A| |11.9473|0.0112|11.81|12.04|       | | | |


___CCDM___56.7_58_59.0.1_62_pa____sep____sig__d(Hp)_sig__S_C_N_

          | |  | 1|X| | |  |   |       |     |     |    | |G|D|


    U      V      W      sU    sV    sW

  -59.3  -34.0    9.4    1.0    .4   1.0




Back to the Help page for the ARICNS or to the ARICNS Page or to the Home Page of the Astronomisches Rechen-Institut


Updated: 05 November 1998

webmaster@ari.uni-heidelberg.de