16559+2939 TDT 150

 
 
16h 55m 51.47s +29 39' 09.3" P.A. 99 sep 2.1 mag 11.32,12.05 Sp F8
 
 
Coord 2000
16559+2939
Discov num
TDT 150
Comp
Coord arcsec 2000
16 55 51.47 +29 39 09.3
Date first
1991
Date last
2003
Obs
2
Pa first
99
Pa last
99
P.A. Now (θ)
99°
Sep first
2.1
Sep last
2.1
Sep. Now (ρ)
2.1"
Mag pri
11.32
Mag sec
12.05
delta mag (ΔM)
0.73
Spectral class
F8 (yellow-white)
Pri motion ra
-027
Sec motion ra
-027
Pri motion dec
+011
Sec motion dec
+011
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
98.9
Precise sep
2.1
Constellation
Hercules
Tycho2
2071-01095-1
last precise pa
98.9
last precise sep
2.1
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16559+2939 TDT 150 2003 2 99 2.1 11.32 12.05 165551.31+293909.6

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