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 6 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
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
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