17344+1310 STF2184AB (54 Oph)

 
 
17h 34m 21.99s +13 09' 39.7" P.A. 66 sep 22.8 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
2015
Obs
26
Pa first
77
Pa last
66
P.A. Now (θ)
66°
Sep first
21.4
Sep last
22.8
Sep. Now (ρ)
22.8"
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 2015 26 66 22.8 6.63 11.60 4.97 <===
Show 102925 17344+1310 STF2184 AC 1920 2015 8 293 128.0 6.63 12.49 5.86
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
65.5
Precise sep
22.833
Name
54 Oph
Constellation
Ophiuchus
SAO
102925
HIP
85979
Tycho2
1004-00180-1
Gaia DR2
4494343908427630336
HD
159466
BD
BD+13 3397
Flamsteed
54 Ophiuchi
Flamsteed name
54 Oph
Distance
146.2
Distance ly
476.9
 
 
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
17344+1310 STF2184 AB 2015 26 66 22.8 6.63 11.60 G8III N 173421.99+130939.7

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