18401-2638 B   397

 
 
18h 40m 07.67s -26 37' 08.9" P.A. 193 sep 1.2 mag 10.16,13.40 Sp F0V
 
 
Coord 2000
18401-2638
Discov num
B   397
Comp
Coord arcsec 2000
18 40 07.67 -26 37 08.9
Date first
1927
Date last
1931
Obs
2
Pa first
191
Pa last
193
P.A. Now (θ)
193°
Sep first
1.4
Sep last
1.2
Sep. Now (ρ)
1.2"
Mag pri
10.16
Mag sec
13.40
delta mag (ΔM)
3.24
Spectral class
F0V (yellow-white)
Pri motion ra
-009
Sec motion ra
Pri motion dec
-014
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
193
Precise sep
1.21
Constellation
Sagittarius
Tycho2
6866-00516-1
HD
172219
last precise pa
193
last precise sep
1.21
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18401-2638 B 397 1931 2 193 1.2 10.16 13.40 F0V 184007.67-263708.9

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