Astronomisches Rechen-Institut Heidelberg

ARICNS ARI Data Base for Nearby Stars


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Running No.: 1728   CNS designation: Gl 822.1A ( = Wo 9728A )   HD: 202444    HIP: 104887   BD: +37° 4240    YPC: 5114.00  

RA (2000):  21 14 48   Dec (2000):  +38 02.8  
RA (1950):  21 12 48   Dec (1950):  +37 49.9  
RA (1900):  21 10 48   Dec (1900):  +37 37.1  

µ(RA):  .159 "/yr   µ(Dec):  .437 "/yr     Total Proper Motion:   0.465 "/yr   20.0°  

V :  3.82 c   B-V:  .39 J   U-B:  .03 J   R-Ic:  .24 J   Spectral Type:  F2 V   

Trig. Par.:  55.2 ± 5.0  mas   Obs.  (good accord.)    Res. Par. (Trig. Par.):  55.2  ± 5.0  mas     Distance:  18.12  ± 1.64 pc  

MV :  2.53 c   M Qual.: c     RV: - 22.8 km/s   RV Qual.: a    Remark:  RV var(?)   

Space Velocity:     U:  -039  km/s    V:  -016  km/s    W:  +019 km/s

Additional Designations: TAU Cyg ADS 14787 3 d(m) = 2.6  


Other ARICNS component(s):  Gl  822.1B    and   Gl  822.1C   


HIPPARCOS DATA

 Hipp P__HIP_H2___RA____J2000__Dec________V___v_S10__piH______pma_____pmd____

      N104887|H|21 14 47.49|+38  2 43.1| 3.74| |GA|  47.80|  195.75|  410.03|


__sRA___sDec___spi____spma___spmd___-%__F2____Bt_____sig___Vt_____sig__

  0.47|  0.53|  0.61|  0.45|  0.51|  7| 2.95| 4.215|0.002| 3.784|0.002|


36__B-V___sig__s_V-I__sig__s_43__Hp_____sig____Hmax__Hmin_period 52.3.4_

*| 0.393|0.004|G|0.46|0.03|C|*| 3.8228|0.0004| 3.82| 3.83|       |D| | |


___CCDM___56.7_58_59.0.1_62_pa____sep____sig__d(Hp)_sig__S_C_N_

21148+3803|I| 1| 2|C| |A|AB|  6|  0.637|0.007| 2.89|0.03|S| | |


    U      V      W      sU    sV    sW

  -44.9  -15.6   17.1     .5    .7    .2




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Updated: 05 November 1998

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