17413-2820 RST1977

 
 
17h 41m 18.63s -28 19' 58.1" P.A. 327 sep 1.5 mag 11.77,11.37
 
 
Coord 2000
17413-2820
Discov num
RST1977
Comp
Coord arcsec 2000
17 41 18.63 -28 19 58.1
Date first
1934
Date last
1991
Obs
3
Pa first
329
Pa last
327
P.A. Now (θ)
327°
Sep first
1.6
Sep last
1.5
Sep. Now (ρ)
1.5"
Mag pri
11.77
Mag sec
11.37
delta mag (ΔM)
0.4
Spectral class
Pri motion ra
+005
Sec motion ra
+005
Pri motion dec
-004
Sec motion dec
-004
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
326.7
Precise sep
1.53
Constellation
Ophiuchus
Tycho2
6839-00290-1
last precise pa
326.7
last precise sep
1.53
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17413-2820 RST1977 1991 3 327 1.5 11.77 11.37 174118.63-281958.1

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