17179+3229 BU   45

 
 
17h 17m 57.85s +32 29' 13.4" P.A. 291 sep 4.9 mag 9.97,10.62
 
 
Coord 2000
17179+3229
Discov num
BU   45
Comp
Coord arcsec 2000
17 17 57.85 +32 29 13.4
Date first
1870
Date last
2017
Obs
43
Pa first
290
Pa last
291
P.A. Now (θ)
291°
Sep first
5.0
Sep last
4.9
Sep. Now (ρ)
4.9"
Mag pri
9.97
Mag sec
10.62
delta mag (ΔM)
0.65
Spectral class
Pri motion ra
+020
Sec motion ra
+027
Pri motion dec
+036
Sec motion dec
+032
Notes
N W (See Notes, )
rPM=0.193 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
291
Precise sep
4.865
Cdsa2 id
BU 45
Constellation
Hercules
Tycho2
2596-00620-1
Ra deg
17.29940277777778
De deg
32.48705555555556
last precise pa
291
last precise sep
4.865
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17179+3229 BU 45 2000 38 289 4.5 9.97 10.62 D 171757.85+322913.4
17179+3229 BU 45 2008 40 291 4.9 9.97 10.62 D 171757.85+322913.4
17179+3229 BU 45 2010 41 291 4.9 9.97 10.62 D 171757.85+322913.4
17179+3229 BU 45 2017 43 291 4.9 9.97 10.62 N W 171757.85+322913.4

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