18464-4025 RST2072AC

 
 
18h 46m 25.69s -40 24' 43.7" P.A. 22 sep 10.5 mag 10.30,12.00 Sp A0
 
 
Coord 2000
18464-4025
Discov num
RST2072
Comp
AC
Coord arcsec 2000
18 46 25.69 -40 24 43.7
Date first
1898
Date last
2000
Obs
7
Pa first
17
Pa last
22
P.A. Now (θ)
22°
Sep first
17.7
Sep last
10.5
Sep. Now (ρ)
10.5"
Mag pri
10.30
Mag sec
12.00
delta mag (ΔM)
1.7
Spectral class
A0 (white)
Pri motion ra
+011
Sec motion ra
-008
Pri motion dec
+003
Sec motion dec
-073
Notes
rPM=1.067
This double is not physical.
 
 
18464-4025 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18464-4025 RST2072 AB 1927 1991 5 242 1.4 10.30 11.77 1.47
Show 18464-4025 RST2072 AC 1898 2000 7 22 10.5 10.30 12.00 1.70 <===
Show 18464-4025 UC 3667 CD 1998 2000 3 147 42.0 10.60 12.80 2.20
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
22.3
Precise sep
10.45
Constellation
Corona Austrina
Tycho2
7919-00480-1
last precise pa
22.3
last precise sep
10.45
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18464-4025 RST2072 AC 1927 3 20 16.0 10.30 12.00 A0 184625.69-402443.7
18464-4025 RST2072 AC 2000 5 22 10.6 10.30 12.00 A0 184625.69-402443.7
18464-4025 RST2072 AC 2010 8 23 9.4 10.30 12.00 A0 184625.69-402443.7

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