18018-7111 TDT 645

 
 
18h 01m 47.31s -71 10' 44.9" P.A. 242 sep 2.3 mag 11.94,12.77
 
 
Coord 2000
18018-7111
Discov num
TDT 645
Comp
Coord arcsec 2000
18 01 47.31 -71 10 44.9
Date first
1991
Date last
1991
Obs
1
Pa first
242
Pa last
242
P.A. Now (θ)
242°
Sep first
2.3
Sep last
2.3
Sep. Now (ρ)
2.3"
Mag pri
11.94
Mag sec
12.77
delta mag (ΔM)
0.83
Spectral class
Pri motion ra
+006
Sec motion ra
+006
Pri motion dec
+007
Sec motion dec
+007
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
242.4
Precise sep
2.3
Constellation
Apus
Tycho2
9294-00966-1
last precise pa
242.4
last precise sep
2.3
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18018-7111 TDT 645 1991 1 242 2.3 11.94 12.77 180147.31-711044.9

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