12163-2706 DAW 102AB

 
 
12h 16m 18.26s -27 06' 10.9" P.A. 356 sep 2.3 mag 8.20,11.84 Sp A1V dist. 198.02 pc (645.94 l.y.)
 
 
Coord 2000
12163-2706
Discov num
DAW 102
Comp
AB
Coord arcsec 2000
12 16 18.26 -27 06 10.9
Date first
1920
Date last
1991
Obs
5
Pa first
353
Pa last
356
P.A. Now (θ)
356°
Sep first
2.3
Sep last
2.3
Sep. Now (ρ)
2.3"
Mag pri
8.20
Mag sec
11.84
delta mag (ΔM)
3.64
Spectral class
A1V (white)
Pri motion ra
-030
Sec motion ra
-030
Pri motion dec
-009
Sec motion dec
-011
Notes
rPM=0.063 (< 0.3, Physical double)
This double is physical.
 
 
12163-2706 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 180636 12163-2706 DAW 102 AB 1920 1991 5 356 2.3 8.20 11.84 3.64 <===
Show 180636 12163-2706 HJ 4509 AC 1836 2014 6 112 27.7 8.20 12.60 4.40
Show 12163-2706 HJ 4509 CD 1935 1999 4 287 7.8 12.60 13.60 1.00
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
355.5
Precise sep
2.32
Cdsa2 id
DAW 102 AB
Constellation
Hydra
SAO
180636
HIP
59845
Tycho2
6676-01006-1
HD
106701
CD
CD-26 9061
CP
CP-26 4688
Ra deg
12.27173888888889
De deg
-27.10302777777778
Distance
198.02
Distance ly
645.94
last precise pa
355.5
last precise sep
2.32
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12163-2706 DAW 102 AB 1991 5 356 2.3 8.20 11.84 A1V 121618.26-270610.9

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