18167-1755 ARA 274

 
 
18h 16m 42.17s -17 54' 48.1" P.A. 147 sep 10.7 mag 11.34,12.70
 
 
Coord 2000
18167-1755
Discov num
ARA 274
Comp
Coord arcsec 2000
18 16 42.17 -17 54 48.1
Date first
1916
Date last
1999
Obs
4
Pa first
143
Pa last
147
P.A. Now (θ)
147°
Sep first
11.4
Sep last
10.7
Sep. Now (ρ)
10.7"
Mag pri
11.34
Mag sec
12.70
delta mag (ΔM)
1.36
Spectral class
Pri motion ra
-019
Sec motion ra
+000
Pri motion dec
+017
Sec motion dec
-007
Notes
rPM=1.201
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
146.6
Precise sep
10.743
Constellation
Sagittarius
Tycho2
6269-01397-1
last precise pa
146.6
last precise sep
10.743
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18167-1755 ARA 274 1999 2 327 11.1 11.34 12.45 D 181642.24-175448.2

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