18138+5646 TDT 747

 
 
18h 13m 47.40s +56 45' 33.0" P.A. 140 sep 1 mag 10.97,11.98
 
 
Coord 2000
18138+5646
Discov num
TDT 747
Comp
Coord arcsec 2000
18 13 47.40 +56 45 33.0
Date first
1991
Date last
1991
Obs
1
Pa first
140
Pa last
140
P.A. Now (θ)
140°
Sep first
1.0
Sep last
1.0
Sep. Now (ρ)
1"
Mag pri
10.97
Mag sec
11.98
delta mag (ΔM)
1.01
Spectral class
Pri motion ra
-006
Sec motion ra
-006
Pri motion dec
+024
Sec motion dec
+024
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
140
Precise sep
1.04
Constellation
Draco
SAO
30830
Tycho2
3912-01741-1
last precise pa
140
last precise sep
1.04
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18138+5646 TDT 747 1991 1 140 1.0 10.97 11.98 181347.40+564533.0

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