18308-1309 BRT2754

 
 
18h 30m 49.56s -13 08' 39.9" P.A. 328 sep 4.7 mag 11.46,12.50
 
 
Coord 2000
18308-1309
Discov num
BRT2754
Comp
Coord arcsec 2000
18 30 49.56 -13 08 39.9
Date first
1907
Date last
2009
Obs
7
Pa first
330
Pa last
328
P.A. Now (θ)
328°
Sep first
4.4
Sep last
4.7
Sep. Now (ρ)
4.7"
Mag pri
11.46
Mag sec
12.50
delta mag (ΔM)
1.04
Spectral class
Pri motion ra
+003
Sec motion ra
-024
Pri motion dec
-001
Sec motion dec
+030
Notes
N (See Notes)
rPM=1.07
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
327.7
Precise sep
4.65
Constellation
Scutum
Tycho2
5703-00007-1
last precise pa
327.7
last precise sep
4.65
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18308-1309 BRT2754 1998 3 327 4.6 11.46 12.50 D 183049.56-130839.9
18308-1309 BRT2754 2009 4 328 4.7 11.46 12.50 D 183049.56-130839.9

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