18437+7704 TDT1021

 
 
18h 43m 40.48s +77 04' 23.4" P.A. 139 sep 0.7 mag 11.33,11.37
 
 
Coord 2000
18437+7704
Discov num
TDT1021
Comp
Coord arcsec 2000
18 43 40.48 +77 04 23.4
Date first
1991
Date last
1991
Obs
1
Pa first
139
Pa last
139
P.A. Now (θ)
139°
Sep first
0.7
Sep last
0.7
Sep. Now (ρ)
0.7"
Mag pri
11.33
Mag sec
11.37
delta mag (ΔM)
0.04
Spectral class
Pri motion ra
-006
Sec motion ra
-006
Pri motion dec
-005
Sec motion dec
-005
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
138.7
Precise sep
0.65
Constellation
Draco
Tycho2
4587-00875-1
last precise pa
138.7
last precise sep
0.65
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18437+7704 TDT1021 1991 1 139 0.7 11.33 11.37 184340.48+770423.4

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