16447+0220 STF2088AB

 
 
16h 44m 42.43s +02 19' 58.6" P.A. 332 sep 21.2 mag 7.49,12.00 Sp A5V dist. 92.17 pc (300.66 l.y.)
 
 
Coord 2000
16447+0220
Discov num
STF2088
Comp
AB
Coord arcsec 2000
16 44 42.43 +02 19 58.6
Date first
1905
Date last
2012
Obs
9
Pa first
335
Pa last
332
P.A. Now (θ)
332°
Sep first
20.4
Sep last
21.2
Sep. Now (ρ)
21.2"
Mag pri
7.49
Mag sec
12.00
delta mag (ΔM)
4.51
Spectral class
A5V (white)
Pri motion ra
-026
Sec motion ra
-036
Pri motion dec
-037
Sec motion dec
-030
Notes
N U (See Notes, Proper motion indicates non-physical)
rPM=0.26 (< 0.3, Physical double)
This double is not physical.
 
 
16447+0220 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 16447+0220 STF2088 AB 1905 2012 9 332 21.2 7.49 12.00 4.51 <===
Show 16447+0220 STF2088 AC 1909 2012 6 354 16.1 8.87 11.68 2.81
Show 16447+0220 STF2088 BC 1905 2012 7 105 8.6 12.00 13.40 1.40
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
331.6
Precise sep
21.21
Constellation
Ophiuchus
HIP
81971
Tycho2
0387-00634-1
HD
151029
BD
BD+02 3166
Distance
92.17
Distance ly
300.66
last precise pa
331.6
last precise sep
21.21
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16447+0220 STF2088 AB 2000 6 332 21.2 8.00 12.00 A5V N D 164442.43+021958.6
16447+0220 STF2088 AB 2010 9 332 21.4 8.00 12.00 A5V NUD 164442.43+021958.6
16447+0220 STF2088 AB 2012 9 332 21.2 8.00 12.00 A5V NU 164442.43+021958.6

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