16203-7842 BSO  22AB (Del1 Aps)

 
 
16h 20m 20.84s -78 41' 44.4" P.A. 10 sep 103 mag 4.90,5.41 Sp M4III+K3 dist. 233.64 pc (762.13 l.y.)
 
 
Coord 2000
16203-7842
Discov num
BSO  22
Comp
AB
Coord arcsec 2000
16 20 20.84 -78 41 44.4
Date first
1752
Date last
2010
Obs
26
Pa first
7
Pa last
10
P.A. Now (θ)
10°
Sep first
106.0
Sep last
103.0
Sep. Now (ρ)
103"
Mag pri
4.90
Mag sec
5.41
delta mag (ΔM)
0.51
Spectral class
M4III+K3 (red/yellow-orange)
Pri motion ra
-009
Sec motion ra
-002
Pri motion dec
-036
Sec motion dec
-032
Notes
N Z (See Notes, Parallax indicates components are physical)
rPM=0.217 (< 0.3, Physical double)
This double is physical.
 
 
16203-7842 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Del1 Aps 257380 16203-7842 BSO 22 AB 1752 2010 26 10 103.0 4.90 5.41 0.51 <===
Show 257380 16203-7842 BSO 22 AC 1918 2000 3 70 91.8 4.90 12.35 7.45
Show 257380 16203-7842 SKF2660 AD 1894 2010 7 235 181.4 4.90 9.90 5.00
Show 257381 16203-7842 SKF2660 BD 1894 2010 9 219 264.1 5.41 9.90 4.49
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
9.8
Precise sep
103.01
Name
Del1 Aps
Constellation
Apus
SAO
257380
HIP
80047
Tycho2
9446-03517-1
HD
145366
HR
6020
GC
21862
CP
CP-78 1092
Bayer
Delta 1 Apodis
Bayer name
Del1 Aps
Distance
233.64
Distance ly
762.13
last precise pa
9.8
last precise sep
103.01
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16203-7842 BSO 22 AB 2000 19 10 103.3 4.90 5.41 M5IIIb NZD 162020.84-784144.4
16203-7842 BSO 22 AB 2010 26 10 103.0 4.90 5.41 M4III+K3 NZ 162020.84-784144.4

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