18551-1609 BRT 634

 
 
18h 55m 02.87s -16 09' 44.6" P.A. 337 sep 4 mag 11.07,11.20
 
 
Coord 2000
18551-1609
Discov num
BRT 634
Comp
Coord arcsec 2000
18 55 02.87 -16 09 44.6
Date first
1905
Date last
2009
Obs
9
Pa first
346
Pa last
337
P.A. Now (θ)
337°
Sep first
5.0
Sep last
4.0
Sep. Now (ρ)
4"
Mag pri
11.07
Mag sec
11.20
delta mag (ΔM)
0.13
Spectral class
Pri motion ra
+014
Sec motion ra
-030
Pri motion dec
-067
Sec motion dec
+060
Notes
rPM=1.964
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
336.8
Precise sep
4.02
Cdsa2 id
BRT 634
Constellation
Sagittarius
Ra deg
18.91746388888889
De deg
-16.162388888888888
last precise pa
336.8
last precise sep
4.02
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18551-1609 BRT 634 1933 2 167 4.4 11.07 11.20 185508.63-161014.8
18551-1609 BRT 634 2009 3 157 4.0 11.07 11.20 185508.63-161014.8
18551-1609 BRT 634 2010 10 336 3.2 11.07 11.20 185502.87-160944.6

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