18207-3647 B  1356

 
 
18h 20m 39.74s -36 46' 31.1" P.A. 232 sep 2.5 mag 7.76,13.20 Sp M1III
 
 
Coord 2000
18207-3647
Discov num
B  1356
Comp
Coord arcsec 2000
18 20 39.74 -36 46 31.1
Date first
1930
Date last
1930
Obs
1
Pa first
232
Pa last
232
P.A. Now (θ)
232°
Sep first
2.5
Sep last
2.5
Sep. Now (ρ)
2.5"
Mag pri
7.76
Mag sec
13.20
delta mag (ΔM)
5.44
Spectral class
M1III (red)
Pri motion ra
-005
Sec motion ra
Pri motion dec
-004
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
231.5
Precise sep
2.45
Constellation
Sagittarius
SAO
210014
Tycho2
7405-03411-1
HD
168313
last precise pa
231.5
last precise sep
2.45
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18207-3647 B 1356 1930 1 232 2.5 7.76 13.20 M1III 182039.74-364631.1

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