16598+3655 STT 322

 
 
16h 59m 46.42s +36 55' 17.0" P.A. 205 sep 1.4 mag 7.90,10.17 Sp A2 dist. 174.83 pc (570.3 l.y.)
 
 
Coord 2000
16598+3655
Discov num
STT 322
Comp
Coord arcsec 2000
16 59 46.42 +36 55 17.0
Date first
1843
Date last
2015
Obs
33
Pa first
201
Pa last
205
P.A. Now (θ)
205°
Sep first
1.5
Sep last
1.4
Sep. Now (ρ)
1.4"
Mag pri
7.90
Mag sec
10.17
delta mag (ΔM)
2.27
Spectral class
A2 (white)
Pri motion ra
-009
Sec motion ra
-009
Pri motion dec
+026
Sec motion dec
+026
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
205.3
Precise sep
1.4
Constellation
Hercules
SAO
65711
HIP
83164
Tycho2
2602-00352-1
HD
153778
BD
BD+37 2826
Distance
174.83
Distance ly
570.3
last precise pa
205.3
last precise sep
1.4
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16598+3655 STT 322 1998 28 204 1.5 7.90 10.17 A2 D 165946.42+365517.0
16598+3655 STT 322 2007 30 206 1.5 7.90 10.17 A2 D 165946.42+365517.0
16598+3655 STT 322 2010 32 205 1.5 7.90 10.17 A2 D 165946.42+365517.0
16598+3655 STT 322 2015 33 205 1.4 7.90 10.17 A2 165946.42+365517.0

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