18186-1348 DCH  26AB

 
 
18h 18m 36.42s -13 48' 02.3" P.A. 310 sep 0.1 mag 6.80,8.37 Sp O4IV((f))
 
 
Coord 2000
18186-1348
Discov num
DCH  26
Comp
AB
Coord arcsec 2000
18 18 36.42 -13 48 02.3
Date first
1998
Date last
2012
Obs
6
Pa first
320
Pa last
310
P.A. Now (θ)
310°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
6.80
Mag sec
8.37
delta mag (ΔM)
1.57
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
309.7
Precise sep
0.102
Constellation
Serpens
SAO
161303
Tycho2
5689-00607-1
HD
168076
last precise pa
309.7
last precise sep
0.102
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18186-1348 DCH 26 AB 2012 6 309 0.2 8.21   O5 181836.42-134802.3

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