18581-2436 RST3207

 
 
18h 58m 06.55s -24 36' 06.1" P.A. 306 sep 2.2 mag 10.34,13.10 Sp B8/9III
 
 
Coord 2000
18581-2436
Discov num
RST3207
Comp
Coord arcsec 2000
18 58 06.55 -24 36 06.1
Date first
1935
Date last
1943
Obs
2
Pa first
305
Pa last
306
P.A. Now (θ)
306°
Sep first
2.3
Sep last
2.2
Sep. Now (ρ)
2.2"
Mag pri
10.34
Mag sec
13.10
delta mag (ΔM)
2.76
Spectral class
B8/9III (blue-white)
Pri motion ra
+004
Sec motion ra
Pri motion dec
-004
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
306
Precise sep
2.22
Constellation
Sagittarius
SAO
187510
Tycho2
6864-00936-1
HD
175792
last precise pa
306
last precise sep
2.22
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18581-2436 RST3207 1943 2 306 2.2 10.34 13.10 B8/9III 185806.55-243606.1

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