18252+1647 J   752

 
 
18h 25m 07.64s +16 47' 44.0" P.A. 259 sep 4.6 mag 11.10,11.30
 
 
Coord 2000
18252+1647
Discov num
J   752
Comp
Coord arcsec 2000
18 25 07.64 +16 47 44.0
Date first
1912
Date last
2015
Obs
13
Pa first
274
Pa last
259
P.A. Now (θ)
259°
Sep first
2.3
Sep last
4.6
Sep. Now (ρ)
4.6"
Mag pri
11.10
Mag sec
11.30
delta mag (ΔM)
0.2
Spectral class
Pri motion ra
+023
Sec motion ra
-020
Pri motion dec
+002
Sec motion dec
-001
Notes
rPM=1.867
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
259.2
Precise sep
4.62
Constellation
Hercules
Tycho2
1569-01429-1
last precise pa
259.2
last precise sep
4.62
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18252+1647 J 752 2002 10 260 4.5 11.10 11.30 D 182507.64+164744.0
18252+1647 J 752 2009 11 261 4.0 11.10 11.30 D 182507.64+164744.0
18252+1647 J 752 2015 13 259 4.6 11.10 11.30 182507.64+164744.0

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