19507-5912 I   121Aa,Ab

 
 
19h 50m 44.80s -59 11' 37.2" P.A. 154.00 sep 1.3 mag 5.48,7.09 Sp A0IV dist. 84.96 pc (277.14 l.y.)
 
 
Coord 2000
19507-5912
Discov num
I   121
Comp
Aa,Ab
Coord arcsec 2000
19 50 44.80 -59 11 37.2
Date first
1896
Date last
2010
Obs
22
Pa first
80
Pa last
154
P.A. Now (θ)
154°
Sep first
0.7
Sep last
1.3
Sep. Now (ρ)
1.3"
Mag pri
5.48
Mag sec
7.09
delta mag (ΔM)
1.61
Spectral class
A0IV (white)
Pri motion ra
+021
Sec motion ra
+021
Pri motion dec
-012
Sec motion dec
-012
Notes
N (See Notes)
Visually invisible, K-band or other infrared star Nature of this double is uncertain.
 
 
19507-5912 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 246293 19507-5912 I 121 Aa,Ab 1896 2010 22 154 1.3 5.48 7.09 1.61 <===
Show 246293 19507-5912 SHY 759 AB 1991 1999 4 232 406.6 5.48 7.06 1.58
Show 246293 19507-5912 SHY 761 AC 1991 1999 3 70 999.9 5.48 5.24 0.24
Show 246293 19507-5912 I 121 AD 1998 2013 4 52 34.7 5.48 8.90 3.42
Quintuple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
154.2
Precise sep
1.32
Constellation
Pavo
SAO
246293
HIP
97646
Tycho2
8787-02077-1
Gaia DR2
52303430528
HD
186957
HR
7531
CP
CP-59 7534
Distance
84.96
Distance ly
277.14
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19507-5912 I 121 Aa,Ab 1999 21 151 0.8 5.62 7.23 A0IV D 195044.80-591137.2
19507-5912 I 121 Aa,Ab 2010 22 154 1.3 5.48 7.09 A0IV NL 195044.80-591137.2

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