18171+1527 TDT 774

 
 
18h 17m 04.52s +15 27' 16.4" P.A. 31 sep 0.6 mag 11.33,11.49
 
 
Coord 2000
18171+1527
Discov num
TDT 774
Comp
Coord arcsec 2000
18 17 04.52 +15 27 16.4
Date first
1991
Date last
1991
Obs
1
Pa first
31
Pa last
31
P.A. Now (θ)
31°
Sep first
0.6
Sep last
0.6
Sep. Now (ρ)
0.6"
Mag pri
11.33
Mag sec
11.49
delta mag (ΔM)
0.16
Spectral class
Pri motion ra
+004
Sec motion ra
+004
Pri motion dec
-005
Sec motion dec
-005
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
31
Precise sep
0.58
Constellation
Hercules
Tycho2
1568-00435-1
last precise pa
31
last precise sep
0.58
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18171+1527 TDT 774 1991 1 31 0.6 11.33 11.49 181704.52+152716.4

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