18037-2423 AEN   1AB

 
 
18h 03m 40.33s -24 22' 42.7" P.A. 9.00 sep 3.5 mag 10.30, Sp O7.5
 
 
Coord 2000
18037-2423
Discov num
AEN   1
Comp
AB
Coord arcsec 2000
18 03 40.33 -24 22 42.7
Date first
1984
Date last
2007
Obs
6
Pa first
5
Pa last
9
P.A. Now (θ)
Sep first
3.6
Sep last
3.5
Sep. Now (ρ)
3.5"
Mag pri
10.30
Mag sec
delta mag (ΔM)
Spectral class
O7.5 (blue)
Pri motion ra
+002
Sec motion ra
-008
Pri motion dec
-004
Sec motion dec
+006
Notes
N K (See Notes, K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star
rPM=1.414
This double is not physical.
 
 
18037-2423 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 186198 18 03 40 -24 22 43 SBE 1 Aa,Ab 2014 1 222 0.0 7.60 7.70 0.10
Show 186198 18 03 40 -24 22 43 AEN 1 AB 2007 6 9 3.5 10.30 <===
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
8.9
Precise sep
3.54
Constellation
Sagittarius
SAO
186198
Gaia DR2
4066021251107926272
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18037-2423 AEN 1 AB 2007 6 9 3.5 10.30   O7.5 N 180340.33-242242.7

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