18181-1118 SNA  86

 
 
18h 18m 03.34s -11 17' 38.8" P.A. 68 sep 7.2 mag 6.54,10.90 Sp O8Ib
 
 
Coord 2000
18181-1118
Discov num
SNA  86
Comp
Coord arcsec 2000
18 18 03.34 -11 17 38.8
Date first
1999
Date last
2012
Obs
2
Pa first
70
Pa last
68
P.A. Now (θ)
68°
Sep first
6.7
Sep last
7.2
Sep. Now (ρ)
7.2"
Mag pri
6.54
Mag sec
10.90
delta mag (ΔM)
4.36
Spectral class
O8Ib (blue)
Pri motion ra
-001
Sec motion ra
Pri motion dec
-003
Sec motion dec
Notes
V K (Proper motion indicates physical, K-band or other infrared magnitudes)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
68
Precise sep
7.21
Cdsa2 id
SNA 86
Constellation
Serpens
SAO
161291
Tycho2
5685-00430-1
Ra deg
18.30092777777778
De deg
-11.29411111111111
last precise pa
68
last precise sep
7.21
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18181-1118 SNA 86 2012 1 68 7.2 6.54 10.90 O8Ib V K 181803.34-111738.8

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