Astronomisches Rechen-Institut Heidelberg

ARICNS ARI Data Base for Nearby Stars


Star Page



Running No.: 1207   CNS designation: Gl 581    HIP:  74995   BD: -07° 4003    YPC: 3458.00   Vys: 159    LHS:  394   

RA (2000):  15 19 26   Dec (2000):  -07 43.3  
RA (1950):  15 16 50   Dec (1950):  -07 32.4  
RA (1900):  15 14 14   Dec (1900):  -07 21.3  

µ(RA):  -1.240 "/yr   µ(Dec):  -.102 "/yr     Total Proper Motion:   1.244 "/yr  265.3°  

V :  10.56    B-V:  1.61    U-B:  1.22    V-Rc:  1.13    R-Ic:  1.39    Spectral Type:  M2.5 V   

Trig. Par.: 157.9 ± 5.6  mas   Obs.  (good accord.)    Res. Par. (Trig. Par.): 157.9  ± 5.6  mas     Distance:  6.33  ± .22 pc  

MV : 11.55    M Qual.: a     RV: - 9.5 km/s   RV Qual.: a   

Space Velocity:     U:  -025  km/s    V:  -026  km/s    W:  +012 km/s



HIPPARCOS DATA

 Hipp P__HIP_H2___RA____J2000__Dec________V___v_S10__piH______pma_____pmd____

      N 74995| |15 19 26.83|- 7 43 20.2|10.57| |G | 159.52|-1224.58|  -99.51|


__sRA___sDec___spi____spma___spmd___-%__F2____Bt_____sig___Vt_____sig__

  1.99|  1.34|  2.27|  3.07|  1.79|  0|-0.28|      |     |      |     |


36__B-V___sig__s_V-I__sig__s_43__Hp_____sig____Hmax__Hmin_period 52.3.4_

 | 1.600|0.007|G|2.53|0.02|A| |10.5759|0.0040|10.49|10.60|       | | | |


___CCDM___56.7_58_59.0.1_62_pa____sep____sig__d(Hp)_sig__S_C_N_

          | |  | 1| | | |  |   |       |     |     |    | |G| |


    U      V      W      sU    sV    sW 

  -24.8  -25.8   12.1     .6    .4    .5




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


Updated: 4 March 1998

webmaster@ari.uni-heidelberg.de