20013+1917 J   784

 
 
20h 01m 17.20s +19 17' 08.9" P.A. 165 sep 2.2 mag 12.10,12.30
 
 
Coord 2000
20013+1917
Discov num
J   784
Comp
Coord arcsec 2000
20 01 17.20 +19 17 08.9
Date first
1912
Date last
2015
Obs
11
Pa first
158
Pa last
165
P.A. Now (θ)
165°
Sep first
2.1
Sep last
2.2
Sep. Now (ρ)
2.2"
Mag pri
12.10
Mag sec
12.30
delta mag (ΔM)
0.2
Spectral class
Pri motion ra
-004
Sec motion ra
Pri motion dec
-014
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
165.2
Precise sep
2.162
Cdsa2 id
J 784
Constellation
Sagitta
Ra deg
20.021444444444445
De deg
19.28580555555556
last precise pa
165.2
last precise sep
2.162
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20013+1917 J 784 2002 9 159 2.2 9.70 9.90 200117.16+191709.0
20013+1917 J 784 2005 10 158 2.2 12.10 12.30 200117.20+191708.9
20013+1917 J 784 2015 11 165 2.2 12.10 12.30 200117.20+191708.9

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