22187-4954 I   303BC

 
 
22h 18m 39.16s -49 53' 56.7" P.A. 56 sep 2.8 mag 11.45,10.86 Sp F/G
 
 
Coord 2000
22187-4954
Discov num
I   303
Comp
BC
Coord arcsec 2000
22 18 39.16 -49 53 56.7
Date first
1898
Date last
1998
Obs
9
Pa first
80
Pa last
56
P.A. Now (θ)
56°
Sep first
1.0
Sep last
2.8
Sep. Now (ρ)
2.8"
Mag pri
11.45
Mag sec
10.86
delta mag (ΔM)
0.59
Spectral class
F/G (yellow-white)
Pri motion ra
-023
Sec motion ra
+000
Pri motion dec
-027
Sec motion dec
+000
Notes
N (See Notes)
rPM=1
This double is not physical.
 
 
22187-4954 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 22187-4954 I 303 AB 1900 1999 11 352 32.4 8.45 11.45 3.00
Show 22187-4954 I 303 BC 1898 1998 9 56 2.8 11.45 10.86 0.59 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
55.5
Precise sep
2.828
Cdsa2 id
I 303 BC
Constellation
Grus
Tycho2
8442-00734-1
Ra deg
22.31087777777778
De deg
-49.89908333333333
last precise pa
55.5
last precise sep
2.828
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
22187-4954 I 303 BC 1991 8 61 2.7 11.45 10.86 221839.16-495356.7
22187-4954 I 303 BC 1998 9 56 2.8 11.45 10.86 N 221839.16-495356.7

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