18045-2729 SKF2549

 
 
18h 04m 32.97s -27 29' 20.4" P.A. 239 sep 5.5 mag 11.40,12.40 Sp A3
 
 
Coord 2000
18045-2729
Discov num
SKF2549
Comp
Coord arcsec 2000
18 04 32.97 -27 29 20.4
Date first
1913
Date last
2007
Obs
5
Pa first
242
Pa last
239
P.A. Now (θ)
239°
Sep first
5.7
Sep last
5.5
Sep. Now (ρ)
5.5"
Mag pri
11.40
Mag sec
12.40
delta mag (ΔM)
1
Spectral class
A3 (white)
Pri motion ra
+001
Sec motion ra
+004
Pri motion dec
-001
Sec motion dec
-001
Notes
rPM=0.728
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
239.2
Precise sep
5.52
Constellation
Sagittarius
last precise pa
239.2
last precise sep
5.52
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18045-2729 SKF2549 2007 5 239 5.5 11.40 12.40 A3 180432.97-272920.4

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