17078-2835 ABH  88AF

 
 
17h 07m 49.55s -28 34' 48.4" P.A. 128 sep 30.4 mag 8.67,13.50 Sp F1V
 
 
Coord 2000
17078-2835
Discov num
ABH  88
Comp
AF
Coord arcsec 2000
17 07 49.55 -28 34 48.4
Date first
1988
Date last
1999
Obs
3
Pa first
129
Pa last
128
P.A. Now (θ)
128°
Sep first
30.6
Sep last
30.4
Sep. Now (ρ)
30.4"
Mag pri
8.67
Mag sec
13.50
delta mag (ΔM)
4.83
Spectral class
F1V (yellow-white)
Pri motion ra
-004
Sec motion ra
-023
Pri motion dec
-004
Sec motion dec
+006
Notes
U (Proper motion indicates non-physical)
rPM=0.903
This double is not physical.
 
 
17078-2835 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 185044 17078-2835 HJ 4919 AB 1904 1999 7 264 22.4 8.67 10.90 2.23
Show 185044 17078-2835 ABH 88 AD 1988 1999 3 38 81.1 8.60 12.82 4.22
Show 185044 17078-2835 ABH 88 AE 1988 1999 3 304 95.7 8.60 13.66 5.06
Show 185044 17078-2835 ABH 88 AF 1988 1999 3 128 30.4 8.67 13.50 4.83 <===
Show 185044 17078-2835 DAW 214 BC 1920 1999 5 176 10.0 10.90 13.10 2.20
Sextuple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
127.8
Precise sep
30.421
Constellation
Ophiuchus
SAO
185044
Tycho2
6823-01469-1
HD
154641
last precise pa
127.8
last precise sep
30.421
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17078-2835 ABH 88 AF 1998 2 127 30.4 8.60   D 170749.55-283448.4
17078-2835 ABH 88 AF 1999 3 128 30.4 8.67 13.50 F1V UD 170749.55-283448.4

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