18153+2012 J  2124

 
 
18h 15m 19.62s +20 11' 56.2" P.A. 349 sep 4 mag 9.50,13.00
 
 
Coord 2000
18153+2012
Discov num
J  2124
Comp
Coord arcsec 2000
18 15 19.62 +20 11 56.2
Date first
1942
Date last
2015
Obs
2
Pa first
350
Pa last
349
P.A. Now (θ)
349°
Sep first
4.0
Sep last
4.0
Sep. Now (ρ)
4"
Mag pri
9.50
Mag sec
13.00
delta mag (ΔM)
3.5
Spectral class
Pri motion ra
-009
Sec motion ra
Pri motion dec
+008
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
348.9
Precise sep
4.007
Constellation
Hercules
Tycho2
1575-01583-1
last precise pa
348.9
last precise sep
4.007
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18153+2012 J 2124 1942 1 350 4.0 9.50 13.00 181520.00+201200.0
18153+2012 J 2124 2015 2 349 4.0 9.50 13.00 181519.62+201156.2

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