17533+0523 TDT 557

 
 
17h 53m 17.91s +05 23' 01.3" P.A. 62 sep 1.5 mag 9.35,11.85 Sp F8
 
 
Coord 2000
17533+0523
Discov num
TDT 557
Comp
Coord arcsec 2000
17 53 17.91 +05 23 01.3
Date first
1991
Date last
1991
Obs
1
Pa first
62
Pa last
62
P.A. Now (θ)
62°
Sep first
1.5
Sep last
1.5
Sep. Now (ρ)
1.5"
Mag pri
9.35
Mag sec
11.85
delta mag (ΔM)
2.5
Spectral class
F8 (yellow-white)
Pri motion ra
+002
Sec motion ra
+002
Pri motion dec
+006
Sec motion dec
+006
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
61.5
Precise sep
1.53
Constellation
Ophiuchus
Tycho2
0425-01994-1
HD
162918
last precise pa
61.5
last precise sep
1.53
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17533+0523 TDT 557 1991 1 62 1.5 9.35 11.85 175317.91+052301.3

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