16545+7145 TDS 842

 
 
16h 54m 32.37s +71 45' 13.1" P.A. 25 sep 1.6 mag 10.31,11.92
 
 
Coord 2000
16545+7145
Discov num
TDS 842
Comp
Coord arcsec 2000
16 54 32.37 +71 45 13.1
Date first
1991
Date last
2002
Obs
2
Pa first
33
Pa last
25
P.A. Now (θ)
25°
Sep first
1.4
Sep last
1.6
Sep. Now (ρ)
1.6"
Mag pri
10.31
Mag sec
11.92
delta mag (ΔM)
1.61
Spectral class
Pri motion ra
-001
Sec motion ra
-001
Pri motion dec
+016
Sec motion dec
+016
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
24.9
Precise sep
1.55
Constellation
Draco
Tycho2
4423-01979-1
last precise pa
24.9
last precise sep
1.55
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16545+7145 TDS 842 2002 2 25 1.5 10.31 11.92 165432.37+714513.1

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