18170+2937 UC  238

 
 
18h 17m 02.81s +29 36' 45.4" P.A. 67 sep 48.6 mag 9.35,11.83 Sp G0
 
 
Coord 2000
18170+2937
Discov num
UC  238
Comp
Coord arcsec 2000
18 17 02.81 +29 36 45.4
Date first
1900
Date last
2017
Obs
11
Pa first
68
Pa last
67
P.A. Now (θ)
67°
Sep first
48.4
Sep last
48.6
Sep. Now (ρ)
48.6"
Mag pri
9.35
Mag sec
11.83
delta mag (ΔM)
2.48
Spectral class
G0 (yellow)
Pri motion ra
-038
Sec motion ra
-037
Pri motion dec
-043
Sec motion dec
-038
Notes
V W (Proper motion indicates physical, )
rPM=0.089 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
66.9
Precise sep
48.626
Constellation
Hercules
SAO
85892
Tycho2
2105-00343-1
Gaia DR2
45796230016
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18170+2937 UC 238 1998 1 66 48.8 9.35 11.83 V 181702.81+293645.4
18170+2937 UC 238 2002 4 66 48.6 9.35 11.83 VD 181702.81+293645.4
18170+2937 UC 238 2010 5 67 48.7 9.35 11.83 G0 V 181702.81+293645.4
18170+2937 UC 238 2017 8 67 48.6 9.35 11.83 G0 VW 181702.81+293645.4

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