18243-3539 BRT1774

 
 
18h 24m 22.31s -35 39' 29.3" P.A. 55 sep 3.5 mag 12.30,12.96
 
 
Coord 2000
18243-3539
Discov num
BRT1774
Comp
Coord arcsec 2000
18 24 22.31 -35 39 29.3
Date first
1912
Date last
1999
Obs
4
Pa first
60
Pa last
55
P.A. Now (θ)
55°
Sep first
3.5
Sep last
3.5
Sep. Now (ρ)
3.5"
Mag pri
12.30
Mag sec
12.96
delta mag (ΔM)
0.66
Spectral class
Pri motion ra
-027
Sec motion ra
+023
Pri motion dec
-029
Sec motion dec
+019
Notes
B (Blue magnitudes)
rPM=1.749
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
54.9
Precise sep
3.5
Constellation
Sagittarius
Tycho2
7405-02062-1
last precise pa
54.9
last precise sep
3.5
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18243-3539 BRT1774 1998 2 54 3.2 12.30 12.96 DB 182422.31-353929.3
18243-3539 BRT1774 1999 4 55 3.5 12.30 12.96 DB 182422.31-353929.3

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