18387+0821 J  1212

 
 
18h 38m 42.00s +08 21' 29.4" P.A. 204 sep 2.1 mag 10.40,11.48 Sp F8
 
 
Coord 2000
18387+0821
Discov num
J  1212
Comp
Coord arcsec 2000
18 38 42.00 +08 21 29.4
Date first
1915
Date last
2003
Obs
6
Pa first
204
Pa last
204
P.A. Now (θ)
204°
Sep first
2.1
Sep last
2.1
Sep. Now (ρ)
2.1"
Mag pri
10.40
Mag sec
11.48
delta mag (ΔM)
1.08
Spectral class
F8 (yellow-white)
Pri motion ra
+005
Sec motion ra
Pri motion dec
-008
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
203.7
Precise sep
2.12
Constellation
Ophiuchus
Tycho2
1025-01724-1
last precise pa
203.7
last precise sep
2.12
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18387+0821 J 1212 2003 6 204 2.1 10.40 11.48 F8 183842.00+082129.4

If you need more information about this double, apply for a data request form to the WDS.