18175-1639 TOB 280

 
 
18h 17m 28.39s -16 38' 49.3" P.A. 291 sep 14.6 mag 11.80,12.00
 
 
Coord 2000
18175-1639
Discov num
TOB 280
Comp
Coord arcsec 2000
18 17 28.39 -16 38 49.3
Date first
1905
Date last
2000
Obs
6
Pa first
294
Pa last
291
P.A. Now (θ)
291°
Sep first
14.6
Sep last
14.6
Sep. Now (ρ)
14.6"
Mag pri
11.80
Mag sec
12.00
delta mag (ΔM)
0.2
Spectral class
Pri motion ra
+003
Sec motion ra
+001
Pri motion dec
-004
Sec motion dec
-008
Notes
rPM=0.555
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
290.7
Precise sep
14.641
Constellation
Sagittarius
Tycho2
6265-01451-1
last precise pa
290.7
last precise sep
14.641
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18175-1639 TOB 280 1999 3 291 14.7 11.80 12.00 D 181728.39-163849.3
18175-1639 TOB 280 2000 5 291 14.6 11.80 12.00 D 181728.39-163849.3

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