17217-1542 ABH  89AF

 
 
17h 21m 43.44s -15 42' 36.3" P.A. 40 sep 28.4 mag 9.85,16.10 Sp F8V
 
 
Coord 2000
17217-1542
Discov num
ABH  89
Comp
AF
Coord arcsec 2000
17 21 43.44 -15 42 36.3
Date first
1988
Date last
1999
Obs
3
Pa first
41
Pa last
40
P.A. Now (θ)
40°
Sep first
29.3
Sep last
28.4
Sep. Now (ρ)
28.4"
Mag pri
9.85
Mag sec
16.10
delta mag (ΔM)
6.25
Spectral class
F8V (yellow-white)
Pri motion ra
+004
Sec motion ra
-034
Pri motion dec
-005
Sec motion dec
-007
Notes
U (Proper motion indicates non-physical)
rPM=1.096
This double is not physical.
 
 
17217-1542 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17217-1542 FOX 199 AB 1904 2008 10 270 10.1 9.85 9.84 0.01
Show 17217-1542 FOX 199 AC 1904 2008 9 60 10.3 9.85 12.00 2.15
Show 17217-1542 ABH 89 AD 1904 2002 6 76 73.2 9.85 11.84 1.99
Show 17217-1542 ABH 89 AE 1988 1998 2 97 36.6 9.85 17.50 7.65
Show 17217-1542 ABH 89 AF 1988 1999 3 40 28.4 9.85 16.10 6.25 <===
Sextuple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
39.5
Precise sep
28.383
Constellation
Serpens
Tycho2
6234-01047-1
last precise pa
39.5
last precise sep
28.383
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17217-1542 ABH 89 AF 1998 2 40 28.4 10.12 15.70 D 172142.74-154236.2
17217-1542 ABH 89 AF 1999 3 40 28.4 9.85 16.30 F8V UD 172143.44-154236.3

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