18197-1655 TOB 285

 
 
18h 19m 44.76s -16 55' 22.4" P.A. 194 sep 19.3 mag 11.06,11.80
 
 
Coord 2000
18197-1655
Discov num
TOB 285
Comp
Coord arcsec 2000
18 19 44.76 -16 55 22.4
Date first
1987
Date last
2010
Obs
7
Pa first
192
Pa last
194
P.A. Now (θ)
194°
Sep first
19.0
Sep last
19.3
Sep. Now (ρ)
19.3"
Mag pri
11.06
Mag sec
11.80
delta mag (ΔM)
0.74
Spectral class
Pri motion ra
+002
Sec motion ra
+000
Pri motion dec
-003
Sec motion dec
-012
Notes
rPM=0.768
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
194
Precise sep
19.28
Constellation
Sagittarius
Tycho2
6269-00666-1
last precise pa
194
last precise sep
19.28
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18197-1655 TOB 285 1999 3 195 19.4 11.06 11.59 D 181944.76-165522.4
18197-1655 TOB 285 2010 7 194 19.1 11.06 11.80 181944.76-165522.4

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