17588+2554 SLE  87AB

 
 
17h 58m 46.24s +25 53' 59.3" P.A. 40 sep 8.9 mag 11.60,15.00
 
 
Coord 2000
17588+2554
Discov num
SLE  87
Comp
AB
Coord arcsec 2000
17 58 46.24 +25 53 59.3
Date first
1897
Date last
2002
Obs
4
Pa first
32
Pa last
40
P.A. Now (θ)
40°
Sep first
10.9
Sep last
8.9
Sep. Now (ρ)
8.9"
Mag pri
11.60
Mag sec
15.00
delta mag (ΔM)
3.4
Spectral class
Pri motion ra
-007
Sec motion ra
-002
Pri motion dec
+012
Sec motion dec
-014
Notes
rPM=1.872
This double is not physical.
 
 
17588+2554 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17588+2554 SLE 87 AB 1897 2002 4 40 8.9 11.60 15.00 3.40 <===
Show 17588+2554 SLE 87 AC 1982 1982 1 44 18.1 11.60 15.20 3.60
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
39.9
Precise sep
8.88
Constellation
Hercules
Tycho2
2094-01003-1
last precise pa
39.9
last precise sep
8.88
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17588+2554 SLE 87 AB 1999 3 40 8.9 11.60 15.00 D 175846.24+255359.3
17588+2554 SLE 87 AB 2002 4 40 8.9 11.60 15.00 D 175846.24+255359.3

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