Running No.: 2456  
CNS designation: GJ 2147
HIP: 99438
WD:
RA (2000): 20 10 56
Dec (2000): -30 13.1
RA (1950): 20 07 51
Dec (1950): -30 21.8
RA (1900): 20 04 45
Dec (1900): -30 30.3
µ(RA): -.340 "/yr µ(Dec): -.245 "/yr
Total Proper Motion: 0.419 "/yr 234.2°
V : 12.21
B-V: .06
U-B: -.69
Spectral Type: DA4
Res. Par. (WD-phot.) : 79.0 ± 16.0 mas
Distance: 12.66 ± 2.56 pc
MV : 11.70
M Qual.: d
Additional Designations: LTT 7987 LP 926-40 L 565-18
Notes: mod = 0.51 B-V
Hipp P__HIP_H2___RA____J2000__Dec________V___v_S10__piH______pma_____pmd____ N 99438| |20 10 56.85|-30 13 6.6|12.18| |G | 65.06| -345.60| -250.49| __sRA___sDec___spi____spma___spmd___-%__F2____Bt_____sig___Vt_____sig__ 3.39| 2.33| 3.85| 4.17| 3.00| 4| 1.59| | | | | 36__B-V___sig__s_V-I__sig__s_43__Hp_____sig____Hmax__Hmin_period 52.3.4_ | 0.070|0.040|G|0.08|0.04|R| |12.3134|0.0089|12.19|12.42| | | | | ___CCDM___56.7_58_59.0.1_62_pa____sep____sig__d(Hp)_sig__S_C_N_ | | | 1| | | | | | | | | | |D| | U V W sU sV sW
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