18017+2508 TDT 642

 
 
18h 01m 39.21s +25 07' 56.4" P.A. 63 sep 0.5 mag 11.05,11.09
 
 
Coord 2000
18017+2508
Discov num
TDT 642
Comp
Coord arcsec 2000
18 01 39.21 +25 07 56.4
Date first
1991
Date last
1991
Obs
1
Pa first
63
Pa last
63
P.A. Now (θ)
63°
Sep first
0.5
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
11.05
Mag sec
11.09
delta mag (ΔM)
0.04
Spectral class
Pri motion ra
+024
Sec motion ra
+024
Pri motion dec
+014
Sec motion dec
+014
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
62.8
Precise sep
0.45
Constellation
Hercules
Tycho2
2095-01163-1
HD
335517
last precise pa
62.8
last precise sep
0.45
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18017+2508 TDT 642 1991 1 63 0.5 11.05 11.09 180139.21+250756.4

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