18024-2302 H N  40AB (V3791 Sgr)

 
 
18h 02m 23.55s -23 01' 50.9" P.A. 19 sep 6.3 mag 7.59,10.40 Sp O8V dist. 230.95 pc (753.36 l.y.)
 
 
Coord 2000
18024-2302
Discov num
H N  40
Comp
AB
Coord arcsec 2000
18 02 23.55 -23 01 50.9
Date first
1830
Date last
2012
Obs
21
Pa first
22
Pa last
19
P.A. Now (θ)
19°
Sep first
3.7
Sep last
6.3
Sep. Now (ρ)
6.3"
Mag pri
7.59
Mag sec
10.40
delta mag (ΔM)
2.81
Spectral class
O8V (blue)
Pri motion ra
-000
Sec motion ra
-005
Pri motion dec
-009
Sec motion dec
-001
Notes
N (See Notes)
rPM=1.048
This double is not physical.
 
 
18024-2302 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 186145 18024-2302 SNA 77 Aa,Ab 2012 2013 2 248 0.0 7.40 9.80 2.40
Show V3791 Sgr 186145 18024-2302 H N 40 AB 1830 2012 21 19 6.3 7.59 10.40 2.81 <===
Show 186145 18024-2302 H N 6 AC 1823 2010 31 217 11.3 7.59 8.66 1.07
Show 186145 18024-2302 H N 6 AE 1956 2010 4 204 16.7 7.59 12.60 5.01
Show 186145 18024-2302 HLD 175 AF 1875 2010 6 109 22.3 7.59 14.30 6.71
Show 186145 18024-2302 H N 6 AG 1890 1999 3 212 41.0 7.59 13.40 5.81
Show 186145 18024-2302 TRN 26 AH 2002 2013 2 344 1.5 7.59 13.00 5.41
Show 186145 18024-2302 SNA 77 AI 2013 2013 1 43 3.1 7.31 11.54 4.23
Show 186145 18024-2302 SNA 77 AJ 1998 2012 2 164 6.5 7.31 12.86 5.55
Show 186143 18024-2302 H N 6 CD 1866 1934 13 280 2.3 8.66 10.70 2.04
Show 186143 18024-2302 H N 6 CE 1875 1998 5 188 5.9 8.66 12.60 3.94
Show 186143 18024-2302 H N 6 CF 1875 1999 4 86 26.9 8.66 14.30 5.64
Show 186143 18024-2302 H N 6 CG 1878 1999 3 212 30.0 8.66 13.40 4.74
11-fold system
10 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
19
Precise sep
6.26
Var name
V3791 Sgr
Constellation
Sagittarius
SAO
186145
HIP
88333
Tycho2
6842-00270-1
HD
164492
CD
CD-2313804
Distance
230.95
Distance ly
753.36
last precise pa
19
last precise sep
6.26
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18024-2302 H N 40 AB 1998 17 20 6.1 7.59 10.40 O8V N D 180223.55-230151.0
18024-2302 H N 40 AB 2012 21 19 6.3 7.59 10.40 O8V D 180223.55-230150.9

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