18379+1554 SLE 222

 
 
18h 37m 54.17s +15 54' 39.6" P.A. 117 sep 15.4 mag 11.55,12.10
 
 
Coord 2000
18379+1554
Discov num
SLE 222
Comp
Coord arcsec 2000
18 37 54.17 +15 54 39.6
Date first
1982
Date last
2010
Obs
7
Pa first
119
Pa last
117
P.A. Now (θ)
117°
Sep first
15.4
Sep last
15.4
Sep. Now (ρ)
15.4"
Mag pri
11.55
Mag sec
12.10
delta mag (ΔM)
0.55
Spectral class
Pri motion ra
+001
Sec motion ra
+047
Pri motion dec
-019
Sec motion dec
-021
Notes
rPM=0.894
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
117.2
Precise sep
15.44
Constellation
Hercules
Tycho2
1570-02265-1
last precise pa
117.2
last precise sep
15.44
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18379+1554 SLE 222 1999 3 118 15.3 11.55 12.10 D 183754.17+155439.6
18379+1554 SLE 222 2010 5 117 15.4 11.55 12.10 D 183754.17+155439.6

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