18189-1348 HDS2590AB

 
 
18h 18m 56.19s -13 48' 31.1" P.A. 352 sep 2.1 mag 9.05,12.90 Sp O8V dist. 427.35 pc (1394.02 l.y.)
 
 
Coord 2000
18189-1348
Discov num
HDS2590
Comp
AB
Coord arcsec 2000
18 18 56.19 -13 48 31.1
Date first
1991
Date last
1991
Obs
2
Pa first
352
Pa last
352
P.A. Now (θ)
352°
Sep first
2.0
Sep last
2.1
Sep. Now (ρ)
2.1"
Mag pri
9.05
Mag sec
12.90
delta mag (ΔM)
3.85
Spectral class
O8V (blue)
Pri motion ra
+003
Sec motion ra
-003
Pri motion dec
+000
Sec motion dec
+001
Notes
N (See Notes)
rPM=1.924
This double is not physical.
 
 
18189-1348 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 161316 18189-1348 SNA 91 Aa,Ab 2013 2013 1 156 0.0 8.30 8.60 0.30 Y
Show 161316 18189-1348 HDS2590 AB 1991 1991 2 352 2.1 9.05 12.90 3.85 <===
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
352.4
Precise sep
2.05
Constellation
Serpens
SAO
161316
HIP
89750
Tycho2
5689-01097-1
HD
168137
BD
BD-13 4932
Distance
427.35
Distance ly
1394.02
last precise pa
352.4
last precise sep
2.05
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18189-1348 HDS2590 AB 1991 2 352 2.1 9.05 12.90 B3Ib 181856.19-134831.1

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