16521+3006 ROE   3

 
 
16h 52m 07.27s +30 05' 09.0" P.A. 21 sep 6.1 mag 10.75,11.20
 
 
Coord 2000
16521+3006
Discov num
ROE   3
Comp
Coord arcsec 2000
16 52 07.27 +30 05 09.0
Date first
1902
Date last
2014
Obs
12
Pa first
24
Pa last
21
P.A. Now (θ)
21°
Sep first
5.9
Sep last
6.1
Sep. Now (ρ)
6.1"
Mag pri
10.75
Mag sec
11.20
delta mag (ΔM)
0.45
Spectral class
Pri motion ra
+006
Sec motion ra
Pri motion dec
-059
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
21.2
Precise sep
6.09
Constellation
Hercules
Tycho2
2589-00286-1
last precise pa
21.2
last precise sep
6.09
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16521+3006 ROE 3 2001 8 22 6.2 10.75 11.20 D 165207.27+300509.0
16521+3006 ROE 3 2002 9 21 6.1 10.75 11.20 D 165207.27+300509.0
16521+3006 ROE 3 2014 10 21 6.1 10.75 11.20 D 165207.27+300509.0

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