18390+0624 SLE 498

 
 
18h 39m 01.28s +06 23' 52.8" P.A. 184 sep 21.9 mag 11.60,12.35
 
 
Coord 2000
18390+0624
Discov num
SLE 498
Comp
Coord arcsec 2000
18 39 01.28 +06 23 52.8
Date first
1909
Date last
2012
Obs
8
Pa first
186
Pa last
184
P.A. Now (θ)
184°
Sep first
23.3
Sep last
21.9
Sep. Now (ρ)
21.9"
Mag pri
11.60
Mag sec
12.35
delta mag (ΔM)
0.75
Spectral class
Pri motion ra
+000
Sec motion ra
+005
Pri motion dec
-009
Sec motion dec
+006
Notes
N (See Notes)
rPM=1.757
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
184
Precise sep
21.87
Constellation
Ophiuchus
Tycho2
0459-00216-1
last precise pa
184
last precise sep
21.87
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18390+0624 SLE 498 1982 1 357 38.1 11.28 11.40 183901.27+062352.8
18390+0624 SLE 498 1999 2 184 21.8 11.28 12.35 N 183901.27+062352.8
18390+0624 SLE 498 2001 4 184 21.8 11.28 12.35 N 183901.27+062352.8
18390+0624 SLE 498 2012 5 184 21.9 11.60 12.35 N 183901.28+062352.8

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