18174-4434 SKF1021

 
 
18h 17m 22.72s -44 33' 47.7" P.A. 11 sep 46.2 mag 8.67,9.35 Sp A8V:+A0
 
 
Coord 2000
18174-4434
Discov num
SKF1021
Comp
Coord arcsec 2000
18 17 22.72 -44 33 47.7
Date first
1905
Date last
2010
Obs
9
Pa first
11
Pa last
11
P.A. Now (θ)
11°
Sep first
46.4
Sep last
46.2
Sep. Now (ρ)
46.2"
Mag pri
8.67
Mag sec
9.35
delta mag (ΔM)
0.68
Spectral class
A8V:+A0 (white/white)
Pri motion ra
+005
Sec motion ra
+007
Pri motion dec
-027
Sec motion dec
-026
Notes
V (Proper motion indicates physical)
rPM=0.081 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
11.1
Precise sep
46.22
Constellation
Corona Austrina
SAO
228872
Tycho2
7912-00690-1
HD
167422
last precise pa
11.1
last precise sep
46.22
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18174-4434 SKF1021 2000 6 11 46.2 8.60 9.40 A8V:+A0 V 181722.72-443347.7
18174-4434 SKF1021 2010 9 11 46.2 8.67 9.35 A8V:+A0 V 181722.72-443347.7

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