18211-1339 RST9006

 
 
18h 20m 50.87s -13 38' 57.8" P.A. 246 sep 1.4 mag 10.60,12.80 Sp A0III
 
 
Coord 2000
18211-1339
Discov num
RST9006
Comp
Coord arcsec 2000
18 20 50.87 -13 38 57.8
Date first
1937
Date last
2007
Obs
3
Pa first
247
Pa last
246
P.A. Now (θ)
246°
Sep first
1.7
Sep last
1.4
Sep. Now (ρ)
1.4"
Mag pri
10.60
Mag sec
12.80
delta mag (ΔM)
2.2
Spectral class
A0III (white)
Pri motion ra
+005
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
245.7
Precise sep
1.44
Constellation
Serpens
Tycho2
5689-00714-1
last precise pa
245.7
last precise sep
1.44
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18211-1339 RST9006 1943 2 251 1.6 10.60 12.80 N 182160.00-133900.0
18211-1339 RST9006 2000 3 246 1.4 10.60 12.80 A0III N 182050.87-133857.8
18211-1339 RST9006 2007 3 246 1.4 10.60 12.80 A0III N 182050.87-133857.8

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