17499-7221 UC 3420

 
 
17h 49m 53.39s -72 20' 51.4" P.A. 17 sep 20.7 mag 13.60,16.10
 
 
Coord 2000
17499-7221
Discov num
UC 3420
Comp
Coord arcsec 2000
17 49 53.39 -72 20 51.4
Date first
1998
Date last
2010
Obs
4
Pa first
18
Pa last
17
P.A. Now (θ)
17°
Sep first
20.5
Sep last
20.7
Sep. Now (ρ)
20.7"
Mag pri
13.60
Mag sec
16.10
delta mag (ΔM)
2.5
Spectral class
Pri motion ra
-006
Sec motion ra
-023
Pri motion dec
-070
Sec motion dec
-054
Notes
V (Proper motion indicates physical)
rPM=0.332
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
16.7
Precise sep
20.66
Constellation
Apus
last precise pa
16.7
last precise sep
20.66
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17499-7221 UC 3420 2000 2 18 20.6 13.60 16.10 V 174953.39-722051.4
17499-7221 UC 3420 2010 4 17 20.7 13.60 16.10 V 174953.39-722051.4

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