17344+1310 STF2184AB (54 Oph)

 
 
17h 34m 21.99s +13 09' 39.7" P.A. 65 sep 22.7 mag 6.63,11.60 Sp G8III dist. 146.2 pc (476.9 l.y.)
 
 
Coord 2000
17344+1310
Discov num
STF2184
Comp
AB
Coord arcsec 2000
17 34 21.99 +13 09 39.7
Date first
1830
Date last
2014
Obs
25
Pa first
77
Pa last
65
P.A. Now (θ)
65°
Sep first
21.4
Sep last
22.7
Sep. Now (ρ)
22.7"
Mag pri
6.63
Mag sec
11.60
delta mag (ΔM)
4.97
Spectral class
G8III (yellow)
Pri motion ra
+000
Sec motion ra
+000
Pri motion dec
-030
Sec motion dec
-009
Notes
N (See Notes)
rPM=0.7
Nature of this double is uncertain.
 
 
17344+1310 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 54 Oph 102925 17344+1310 STF2184 AB 1830 2014 25 65 22.7 6.63 11.60 4.97 <===
Show 102925 17344+1310 STF2184 AC 1920 2013 7 293 128.1 6.63 12.49 5.86
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
65.3
Precise sep
22.7
Name
54 Oph
Cdsa2 id
STF 2184 AB
Constellation
Ophiuchus
SAO
102925
HIP
85979
Tycho2
1004-00180-1
HD
159466
BD
BD+13 3397
Flamsteed
54 Ophiuchi
Flamsteed name
54 Oph
Ra deg
17.572775
De deg
13.161027777777779
Distance
146.2
Distance ly
476.9
last precise pa
65.3
last precise sep
22.7
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17344+1310 STF2184 AB 2006 20 66 22.8 6.70 11.60 G8III D 173421.99+130939.7
17344+1310 STF2184 AB 2010 22 66 22.7 6.70 11.60 G8III N D 173421.99+130939.7
17344+1310 STF2184 AB 2013 25 65 23.7 6.63 11.60 G8III N 173421.99+130939.7
17344+1310 STF2184 AB 2014 26 65 22.7 6.63 11.60 G8III N 173421.99+130939.7

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