18400-4137 I  1377

 
 
18h 39m 58.34s -41 36' 36.3" P.A. 81 sep 1.5 mag 9.55,12.60 Sp A0V
 
 
Coord 2000
18400-4137
Discov num
I  1377
Comp
Coord arcsec 2000
18 39 58.34 -41 36 36.3
Date first
1926
Date last
1933
Obs
2
Pa first
91
Pa last
81
P.A. Now (θ)
81°
Sep first
1.4
Sep last
1.5
Sep. Now (ρ)
1.5"
Mag pri
9.55
Mag sec
12.60
delta mag (ΔM)
3.05
Spectral class
A0V (white)
Pri motion ra
+018
Sec motion ra
Pri motion dec
+005
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
80.5
Precise sep
1.45
Constellation
Corona Austrina
SAO
229178
Tycho2
7910-02401-1
HD
172061
last precise pa
80.5
last precise sep
1.45
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18400-4137 I 1377 1933 2 81 1.5 9.55 12.60 A0V 183958.34-413636.3

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