18363-3809 I  1372

 
 
18h 36m 17.84s -38 08' 33.0" P.A. 18 sep 8.2 mag 7.59,11.80 Sp M2/3III
 
 
Coord 2000
18363-3809
Discov num
I  1372
Comp
Coord arcsec 2000
18 36 17.84 -38 08 33.0
Date first
1926
Date last
1959
Obs
4
Pa first
20
Pa last
18
P.A. Now (θ)
18°
Sep first
7.7
Sep last
8.2
Sep. Now (ρ)
8.2"
Mag pri
7.59
Mag sec
11.80
delta mag (ΔM)
4.21
Spectral class
M2/3III (red)
Pri motion ra
-002
Sec motion ra
Pri motion dec
-031
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
17.8
Precise sep
8.22
Constellation
Corona Austrina
SAO
210356
Tycho2
7902-01824-1
HD
171374
last precise pa
17.8
last precise sep
8.22
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18363-3809 I 1372 1959 4 18 8.2 7.59 11.80 M2/3III D 183617.84-380833.0

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