Astronomisches Rechen-Institut Heidelberg

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Running No.: 4977   CNS designation: N1 1838    HD: 207978    HIP: 107975   BD: +28° 4215    YPC: 5288.00  

RA (2000):  21 52 30   Dec (2000):  +28 47.6  
RA (1950):  21 50 16   Dec (1950):  +28 33.5  
RA (1900):  21 48 02   Dec (1900):  +28 19.5  

µ(RA):  -.054 "/yr   µ(Dec):  -.058 "/yr     Total Proper Motion:   0.079 "/yr  223.0°  

V :  5.52    B-V:  .41    U-B:  -.10    Spectral Type:  F5 VI-V   

Trig. Par.:  39.2 ± 7.2  mas   Obs.       Res. Par. (uvby-phot.):  38.9  ± 6.3  mas     Distance:  25.71  ± 4.16 pc  

MV :  3.47    M Qual.: d     RV: + 19.0 km/s   RV Qual.: b    Remark:  RV var(?)   

Space Velocity:     U:  +012  km/s    V:  +016  km/s    W:  -007 km/s



HIPPARCOS DATA

 Hipp P__HIP_H2___RA____J2000__Dec________V___v_S10__piH______pma_____pmd____

      N107975| |21 52 29.92|+28 47 36.7| 5.52| |H |  36.15|  -58.67|  -63.26|


__sRA___sDec___spi____spma___spmd___-%__F2____Bt_____sig___Vt_____sig__

  0.58|  0.56|  0.69|  0.63|  0.74|  0| 0.90| 6.028|0.004| 5.576|0.003|


36__B-V___sig__s_V-I__sig__s_43__Hp_____sig____Hmax__Hmin_period 52.3.4_

 | 0.426|0.005|T|0.49|0.01|L| | 5.6173|0.0008| 5.61| 5.63|       |C| | |


___CCDM___56.7_58_59.0.1_62_pa____sep____sig__d(Hp)_sig__S_C_N_

          | |  | 1| | | |  |   |       |     |     |    |S| | |


    U      V      W      sU    sV    sW 

   13.4   15.9   -7.5     .3   1.7    .6




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Updated: 4 March 1998

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