20137-3407 JC   24AC

 
 
20h 13m 41.64s -34 07' 03.7" P.A. 16 sep 79.5 mag 7.05,10.76 Sp K1/2III dist. 163.13 pc (532.13 l.y.)
 
 
Coord 2000
20137-3407
Discov num
JC   24
Comp
AC
Coord arcsec 2000
20 13 41.64 -34 07 03.7
Date first
1856
Date last
2015
Obs
7
Pa first
18
Pa last
16
P.A. Now (θ)
16°
Sep first
90.0
Sep last
79.5
Sep. Now (ρ)
79.5"
Mag pri
7.05
Mag sec
10.76
delta mag (ΔM)
3.71
Spectral class
K1/2III (yellow-orange)
Pri motion ra
+024
Sec motion ra
+012
Pri motion dec
-011
Sec motion dec
-008
Notes
rPM=0.469
Nature of this double is uncertain.
 
 
20137-3407 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20137-3407 HJ 5178 AB 1834 2015 36 9 2.8 7.05 8.20 1.15
Show 20137-3407 JC 24 AC 1856 2015 7 16 79.5 7.05 10.76 3.71 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
15.9
Precise sep
79.475
Constellation
Sagittarius
SAO
211916
HIP
99681
Tycho2
7449-00342-1
Gaia DR2
28429273600
HD
191957
CD
CD-3414220
CP
CP-34 8620
Distance
163.13
Distance ly
532.13
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20137-3407 JC 24 AC 1998 5 16 82.4 7.05 10.76 D 201341.59-340706.4
20137-3407 JC 24 AC 1999 6 16 81.6 7.05 10.76 D 201341.59-340706.4
20137-3407 JC 24 AC 2015 7 16 79.5 7.05 10.76 K1/2III 201341.64-340703.7

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