16381+0139 AG  204

 
 
16h 38m 03.89s +01 38' 43.1" P.A. 16 sep 4.3 mag 9.71,10.83 Sp F5
 
 
Coord 2000
16381+0139
Discov num
AG  204
Comp
Coord arcsec 2000
16 38 03.89 +01 38 43.1
Date first
1902
Date last
2016
Obs
18
Pa first
12
Pa last
16
P.A. Now (θ)
16°
Sep first
2.6
Sep last
4.3
Sep. Now (ρ)
4.3"
Mag pri
9.71
Mag sec
10.83
delta mag (ΔM)
1.12
Spectral class
F5 (yellow-white)
Pri motion ra
-020
Sec motion ra
-005
Pri motion dec
-028
Sec motion dec
+018
Notes
rPM=1.406
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
16.3
Precise sep
4.314
Constellation
Ophiuchus
Tycho2
0383-01750-1
HD
149974
last precise pa
16.3
last precise sep
4.314
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16381+0139 AG 204 2000 15 14 4.2 9.71 10.83 F5 D 163803.89+013843.1
16381+0139 AG 204 2010 16 14 4.1 9.71 10.83 F5 D 163803.89+013843.1
16381+0139 AG 204 2016 18 16 4.3 9.71 10.83 F5 163803.89+013843.1

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