18057-7115 B  2425

 
 
18h 05m 39.39s -71 15' 01.4" P.A. 136 sep 1.1 mag 11.67,12.19
 
 
Coord 2000
18057-7115
Discov num
B  2425
Comp
Coord arcsec 2000
18 05 39.39 -71 15 01.4
Date first
1931
Date last
1991
Obs
2
Pa first
140
Pa last
136
P.A. Now (θ)
136°
Sep first
1.5
Sep last
1.1
Sep. Now (ρ)
1.1"
Mag pri
11.67
Mag sec
12.19
delta mag (ΔM)
0.52
Spectral class
Pri motion ra
+002
Sec motion ra
+002
Pri motion dec
+014
Sec motion dec
+014
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
136.4
Precise sep
1.1
Constellation
Apus
Tycho2
9298-01981-1
last precise pa
136.4
last precise sep
1.1
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18057-7115 B 2425 1991 2 136 1.1 11.67 12.19 180539.39-711501.4

If you need more information about this double, apply for a data request form to the WDS.