18182+1209 GWP2770

 
 
18h 18m 09.67s +12 09' 21.3" P.A. 306 sep 10.6 mag 14.00,17.30
 
 
Coord 2000
18182+1209
Discov num
GWP2770
Comp
Coord arcsec 2000
18 18 09.67 +12 09 21.3
Date first
1993
Date last
1998
Obs
2
Pa first
307
Pa last
306
P.A. Now (θ)
306°
Sep first
10.7
Sep last
10.6
Sep. Now (ρ)
10.6"
Mag pri
14.00
Mag sec
17.30
delta mag (ΔM)
3.3
Spectral class
Pri motion ra
+046
Sec motion ra
+050
Pri motion dec
-018
Sec motion dec
-014
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.109 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
306.4
Precise sep
10.6
Cdsa2 id
GWP 2770
Constellation
Ophiuchus
Ra deg
18.30268611111111
De deg
12.155916666666666
last precise pa
306.4
last precise sep
10.6
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18182+1209 GWP2770 1998 2 306 10.6 14.00 17.30 V R 181809.67+120921.3
18182+1209 GWP2770 2010 3 307 10.2 14.00 17.30 V R 181809.67+120921.3

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