20014-4724 I   256

 
 
20h 01m 25.22s -47 23' 50.5" P.A. 189 sep 0.8 mag 7.06,9.64 Sp F2IV
 
 
Coord 2000
20014-4724
Discov num
I   256
Comp
Coord arcsec 2000
20 01 25.22 -47 23 50.5
Date first
1897
Date last
1991
Obs
13
Pa first
160
Pa last
189
P.A. Now (θ)
189°
Sep first
0.8
Sep last
0.8
Sep. Now (ρ)
0.8"
Mag pri
7.06
Mag sec
9.64
delta mag (ΔM)
2.58
Spectral class
F2IV (yellow-white)
Pri motion ra
+013
Sec motion ra
+012
Pri motion dec
-006
Sec motion dec
-007
Notes
rPM=0.099 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
189
Precise sep
0.81
Cdsa2 id
I 256
Constellation
Telescopium
Tycho2
8395-00692-1
HD
189307
Ra deg
20.02367222222222
De deg
-47.39736111111111
last precise pa
189
last precise sep
0.81
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20014-4724 I 256 1991 13 189 0.8 7.06 9.64 F2IV D 200125.22-472350.5

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