18254+0523 SLE 173

 
 
18h 25m 23.60s +05 23' 27.5" P.A. 133 sep 18.9 mag 9.32,11.80 Sp K2
 
 
Coord 2000
18254+0523
Discov num
SLE 173
Comp
Coord arcsec 2000
18 25 23.60 +05 23 27.5
Date first
1982
Date last
2014
Obs
6
Pa first
135
Pa last
133
P.A. Now (θ)
133°
Sep first
17.9
Sep last
18.9
Sep. Now (ρ)
18.9"
Mag pri
9.32
Mag sec
11.80
delta mag (ΔM)
2.48
Spectral class
K2 (yellow-orange)
Pri motion ra
-025
Sec motion ra
+001
Pri motion dec
-020
Sec motion dec
-008
Notes
rPM=0.894
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
133.1
Precise sep
18.92
Constellation
Serpens
Tycho2
0441-00001-1
HD
169630
last precise pa
133.1
last precise sep
18.92
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18254+0523 SLE 173 2002 3 134 19.1 9.32 11.80 K2 D 182523.60+052327.5
18254+0523 SLE 173 2014 5 133 18.9 9.32 11.80 K2 182523.60+052327.5

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