18055+0230 STF2272AS

 
 
18h 05m 27.37s +02 29' 59.3" P.A. 10 sep 202.6 mag 4.22,12.45 Sp K0V dist. 5.08 pc (16.57 l.y.)
 
 
Coord 2000
18055+0230
Discov num
STF2272
Comp
AS
Coord arcsec 2000
18 05 27.37 +02 29 59.3
Date first
1878
Date last
2009
Obs
37
Pa first
50
Pa last
10
P.A. Now (θ)
10°
Sep first
87.2
Sep last
202.6
Sep. Now (ρ)
202.6"
Mag pri
4.22
Mag sec
12.45
delta mag (ΔM)
8.23
Spectral class
K0V (yellow-orange)
Pri motion ra
+028
Sec motion ra
+005
Pri motion dec
-109
Sec motion dec
-004
Notes
N L U P (See Notes, Linear solution, Proper motion indicates non-physical, 100-year proper motion)
rPM=0.955
This double is not physical.
 
 
18055+0230 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 70 Oph 123107 18055+0230 STF2272 AB 1777 2016 1706 124 6.4 4.22 6.17 1.95 Y
Show 123107 18055+0230 STF2272 AC 1878 2013 58 326 93.1 4.22 12.05 7.83
Show 123107 18055+0230 STF2272 AD 1905 2009 20 315 129.3 4.22 14.36 10.14
Show 123107 18055+0230 TNN 9 AE 2004 2004 1 231 9.4 1.79 13.01 11.22
Show 123107 18055+0230 TNN 9 AF 2004 2004 1 196 11.5 1.79 13.82 12.03
Show 123107 18055+0230 STF2272 AR 1905 2012 27 26 164.8 4.22 12.87 8.65
Show 123107 18055+0230 STF2272 AS 1878 2009 37 10 202.6 4.22 12.45 8.23 <===
Show 123107 18055+0230 STF2272 AT 1905 2013 28 45 128.4 4.22 12.25 8.03
Show 123107 18055+0230 STF2272 AU 1905 2009 17 337 255.5 4.22 13.79 9.57
Show 123107 18055+0230 STF2272 AV 1886 2013 41 276 144.5 4.22 10.83 6.61
Show 123107 18055+0230 STF2272 AY 1924 2009 4 357 250.5 4.22 14.73 10.51
Show 123107 18055+0230 STF2272 AZ 2000 2000 1 163 68.3 4.22 16.04 11.82
Show 123107 18055+0230 STF2272 BC 1899 2000 6 322 81.2 6.17 12.05 5.88
Show 123107 18055+0230 STF2272 BD 1900 2000 4 311 120.0 6.17 14.36 8.19
Show 123107 18055+0230 STF2272 BR 1908 2000 23 29 154.3 6.17 12.87 6.70
Show 123107 18055+0230 STF2272 BZ 1900 2000 3 163 70.2 6.17 16.04 9.87
Show 18055+0230 STF2272 VT 1905 2009 23 72 247.5 10.83 12.25 1.42
Show 18055+0230 STF2272 VW 1906 2009 6 270 180.4 10.83 11.77 0.94
Show 18055+0230 STF2272 VX 1906 2012 5 252 17.4 10.83 13.88 3.05
15-fold system
15 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
9.8
Precise sep
202.63
Other name
p Oph
Var name
V2391 Oph
Constellation
Ophiuchus
SAO
123107
HIP
88601
Tycho2
0434-05213-1
HD
165341
HR
6752
GC
24641
GL
Gl 702A
BD
BD+02 3482
Flamsteed
70 Ophiuchi
Flamsteed name
70 Oph
Distance
5.08
Distance ly
16.57
last precise pa
9.8
last precise sep
202.63
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18055+0230 STF2272 AS 2000 35 11 193.2 4.22 12.45 NLDP 180527.37+022959.3
18055+0230 STF2272 AS 2009 36 10 202.6 4.22 12.45 NLDP 180527.37+022959.3

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