17539+0701 HEI 865

 
 
17h 53m 54.94s +07 00' 38.7" P.A. 358 sep 1.7 mag 10.30,10.82 Sp A3
 
 
Coord 2000
17539+0701
Discov num
HEI 865
Comp
Coord arcsec 2000
17 53 54.94 +07 00 38.7
Date first
1991
Date last
2000
Obs
4
Pa first
0
Pa last
358
P.A. Now (θ)
358°
Sep first
1.8
Sep last
1.7
Sep. Now (ρ)
1.7"
Mag pri
10.30
Mag sec
10.82
delta mag (ΔM)
0.52
Spectral class
A3 (white)
Pri motion ra
-003
Sec motion ra
-003
Pri motion dec
+001
Sec motion dec
+001
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
357.9
Precise sep
1.74
Constellation
Ophiuchus
Tycho2
0429-02062-1
HD
163056
last precise pa
357.9
last precise sep
1.74
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17539+0701 HEI 865 2000 4 358 1.7 10.30 10.82 A3 175354.94+070038.7

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