18172-1656 ADP   3

 
 
18h 17m 10.73s -16 56' 08.7" P.A. 180 sep 3.4 mag 11.30,11.30
 
 
Coord 2000
18172-1656
Discov num
ADP   3
Comp
Coord arcsec 2000
18 17 10.73 -16 56 08.7
Date first
1998
Date last
2000
Obs
4
Pa first
178
Pa last
180
P.A. Now (θ)
180°
Sep first
3.3
Sep last
3.4
Sep. Now (ρ)
3.4"
Mag pri
11.30
Mag sec
11.30
delta mag (ΔM)
0
Spectral class
Pri motion ra
-006
Sec motion ra
-005
Pri motion dec
-020
Sec motion dec
-014
Notes
rPM=0.291 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
179.9
Precise sep
3.364
Constellation
Sagittarius
last precise pa
179.9
last precise sep
3.364
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18172-1656 ADP 3 1998 2 178 3.3 11.30 11.30 181710.75-165611.1
18172-1656 ADP 3 1999 3 179 3.4 11.30 11.30 D 181710.75-165611.1
18172-1656 ADP 3 2000 4 180 3.4 11.30 11.30 D 181710.75-165611.1

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