16530+4045 A  1868

 
 
16h 53m 01.39s +40 44' 54.2" P.A. 302 sep 2.1 mag 9.88,10.13 Sp K0
 
 
Coord 2000
16530+4045
Discov num
A  1868
Comp
Coord arcsec 2000
16 53 01.39 +40 44 54.2
Date first
1908
Date last
2010
Obs
19
Pa first
303
Pa last
302
P.A. Now (θ)
302°
Sep first
1.7
Sep last
2.1
Sep. Now (ρ)
2.1"
Mag pri
9.88
Mag sec
10.13
delta mag (ΔM)
0.25
Spectral class
K0 (yellow-orange)
Pri motion ra
+003
Sec motion ra
Pri motion dec
-003
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
301.9
Precise sep
2.115
Constellation
Hercules
SAO
46342
Tycho2
3075-00265-2
HD
152694
last precise pa
301.9
last precise sep
2.115
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16530+4045 A 1868 1999 19 303 2.1 9.88 10.13 K0 165301.39+404454.2
16530+4045 A 1868 2010 20 302 2.1 9.88 10.13 K0 165301.39+404454.2

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