18186-1348 SNA  88AC

 
 
18h 18m 36.42s -13 48' 02.3" P.A. 5 sep 3.7 mag 6.57,13.71 Sp O4IV((f))
 
 
Coord 2000
18186-1348
Discov num
SNA  88
Comp
AC
Coord arcsec 2000
18 18 36.42 -13 48 02.3
Date first
2012
Date last
2012
Obs
1
Pa first
5
Pa last
5
P.A. Now (θ)
Sep first
3.7
Sep last
3.7
Sep. Now (ρ)
3.7"
Mag pri
6.57
Mag sec
13.71
delta mag (ΔM)
7.14
Spectral class
O4IV((f)) (blue)
Pri motion ra
+004
Sec motion ra
Pri motion dec
+008
Sec motion dec
Notes
N K (See Notes, K-band or other infrared magnitudes)
Nature of this double is uncertain.
 
 
18186-1348 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 161303 18186-1348 DCH 26 AB 1998 2012 6 310 0.1 6.80 8.37 1.57
Show 161303 18186-1348 SNA 88 AC 2012 2012 1 5 3.7 6.57 13.71 7.14 <===
Show 161303 18186-1348 SNA 88 AD 2012 2012 1 246 3.7 6.57 12.15 5.58
Show 161303 18186-1348 SNA 88 AE 2012 2012 1 177 3.8 6.57 14.15 7.58
Show 161303 18186-1348 SNA 88 AF 2012 2012 1 126 5.9 6.57 12.63 6.06
Show 161303 18186-1348 SNA 88 AG 2012 2012 1 303 6.6 6.57 12.10 5.53
Show 161302 18186-1348 SNA 87 Ha,Hb 2012 2012 1 49 0.0 7.30 11.00 3.70
Show 161302 18186-1348 SNA 87 HI 2012 2012 1 297 2.7 7.28 13.10 5.82
Show 161302 18186-1348 SNA 87 HJ 2012 2012 1 139 3.5 7.28 11.41 4.13
Show 161302 18186-1348 SNA 87 HK 2012 2012 1 68 5.8 7.28 13.86 6.58
12-fold system
11 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
4.9
Precise sep
3.69
Cdsa2 id
SNA 88 AC
Constellation
Serpens
SAO
161303
Tycho2
5689-00607-1
HD
168076
Ra deg
18.310116666666666
De deg
-13.800638888888889
last precise pa
4.9
last precise sep
3.69
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18186-1348 SNA 88 AC 2012 1 5 3.7 6.57 13.71 O4III K 181836.42-134802.3

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