18025-3101 TDT 648

 
 
18h 02m 30.82s -31 00' 51.7" P.A. 258 sep 0.5 mag 10.79,10.90
 
 
Coord 2000
18025-3101
Discov num
TDT 648
Comp
Coord arcsec 2000
18 02 30.82 -31 00 51.7
Date first
1991
Date last
1991
Obs
1
Pa first
258
Pa last
258
P.A. Now (θ)
258°
Sep first
0.5
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
10.79
Mag sec
10.90
delta mag (ΔM)
0.11
Spectral class
Pri motion ra
+004
Sec motion ra
+004
Pri motion dec
-018
Sec motion dec
-018
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
258.3
Precise sep
0.53
Constellation
Sagittarius
Tycho2
7391-02503-1
HD
318797
last precise pa
258.3
last precise sep
0.53
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18025-3101 TDT 648 1991 1 258 0.5 10.79 10.90 180230.82-310051.7

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