18078+1304 H 5  74

 
 
18h 07m 48.35s +13 04' 16.0" P.A. 140 sep 42.6 mag 6.60,10.39 Sp A2Vn dist. 187.27 pc (610.87 l.y.)
 
 
Coord 2000
18078+1304
Discov num
H 5  74
Comp
Coord arcsec 2000
18 07 48.35 +13 04 16.0
Date first
1782
Date last
2011
Obs
23
Pa first
129
Pa last
140
P.A. Now (θ)
140°
Sep first
40.9
Sep last
42.6
Sep. Now (ρ)
42.6"
Mag pri
6.60
Mag sec
10.39
delta mag (ΔM)
3.79
Spectral class
A2Vn (white)
Pri motion ra
+007
Sec motion ra
-003
Pri motion dec
+009
Sec motion dec
+001
Notes
N (See Notes)
rPM=1.123
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
140
Precise sep
42.6
Constellation
Ophiuchus
SAO
103406
HIP
88814
Tycho2
1017-00384-1
HD
165910
HR
6776
BD
BD+13 3529
Distance
187.27
Distance ly
610.87
last precise pa
140
last precise sep
42.6
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18078+1304 H 5 74 2003 18 139 41.7 6.60 10.39 A2Vn N D 180748.35+130416.0
18078+1304 H 5 74 2011 20 140 42.6 6.60 10.39 A2Vn N D 180748.35+130416.0

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