18165-3817 RST2041

 
 
18h 16m 29.44s -38 17' 24.6" P.A. 194 sep 1.5 mag 8.89,13.20 Sp A2IV
 
 
Coord 2000
18165-3817
Discov num
RST2041
Comp
Coord arcsec 2000
18 16 29.44 -38 17 24.6
Date first
1931
Date last
1947
Obs
3
Pa first
192
Pa last
194
P.A. Now (θ)
194°
Sep first
1.3
Sep last
1.5
Sep. Now (ρ)
1.5"
Mag pri
8.89
Mag sec
13.20
delta mag (ΔM)
4.31
Spectral class
A2IV (white)
Pri motion ra
+002
Sec motion ra
Pri motion dec
-006
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
193.8
Precise sep
1.47
Constellation
Corona Austrina
Tycho2
7900-01240-1
HD
167344
last precise pa
193.8
last precise sep
1.47
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18165-3817 RST2041 1947 3 194 1.5 8.89 13.20 A2IV 181629.44-381724.6

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