16094-3103 I 557 (HD 144926)

 
 
16h 09m 26.97s -31° 03' 11.2" P.A. 19.00 sep 0.3 mag 7.80,8.20 Sp A7IV
 
 
Coord 2000 16094-3103 Discov num I   557 Comp Coord arcsec 2000 16 09 26.97 -31 03 11.2
Date first 1909 Date last 2019 Obs 24
Pa first 20 Pa last 19.3 P.A. Now (θ) 19.3°
Sep first 0.5 Sep last 0.278 Sep. Now (ρ) 0.278"
Mag pri 7.80 Mag sec 8.20 delta mag (ΔM) 0.4 Spectral class A7IV (white)
Pri motion ra -069 Sec motion ra
Pri motion dec -074 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 144926 Constellation Scorpius SAO 207395 Tycho2 7330-02616-1
Gaia DR2 6036781288524608896 HD 144926 GC 21711
 
 
ORBITAL ELEMENTS
 
 
Period (P)136.2y± 10 Periastron (T)2034y± 3 Semi-major axis (a)0.62a± 0.05
Eccentricity (e)0.726± 0.08 Inclination (i)85.9°± 1 Longitude of periastron (ω)248.4°± 4.5
Node (Ω)26.3°± 1 Notes ReferenceDoc2018l
Equinox2000 Last observation2018 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 144.5 0.071
2001 153.7 0.077
2002 161.3 0.085
2003 167.5 0.095
2004 172.5 0.105
2005 176.6 0.116
2006 180.0 0.127
2007 182.9 0.138
2008 185.3 0.149
2009 187.4 0.161
2010 189.2 0.172
2011 190.8 0.184
2012 192.2 0.195
2013 193.4 0.206
2014 194.5 0.217
2015 195.5 0.227
2016 196.5 0.237
2017 197.3 0.247
2018 198.1 0.256
2019 198.8 0.265
2020 199.5 0.272
2021 200.2 0.279
2022 200.8 0.285
2023 201.4 0.289
2024 202.0 0.292
2025 202.6 0.292
2026 203.2 0.291
2027 203.8 0.286
2028 204.4 0.277
2029 205.1 0.264
2030 205.9 0.244


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.



 
 


wds16094-3103d.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
 
WDS 16094-3103 I 557 (HD 144926) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Doc2018l orb - Docobo, J.A., Gomez, J., Campo, P., Andrade, M., Horch, E.P., Costa, E. & 2018MNRAS.482.4096D
Doc2018l Mendez, R.A.
 
 
DISCOVERER
 
 
idgroup discov author
1 I Innes, R.T.A.
5 I MNRAS 57, 533, 1897 (data also in I__1897b,
5 I I__1897c)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16094-3103 I 557 1990 19 242 0.1 7.80 8.20 A7IV 160926.97-310311.2
16094-3103 I 557 2008 20 187 0.1 7.80 8.20 A7IV 160926.97-310311.2
16094-3103 I 557 2014 21 195 0.2 7.80 8.20 A7IV O 160926.97-310311.2
16094-3103 I 557 2017 22 18 0.3 7.80 8.20 A7IV O 160926.97-310311.2
16094-3103 I 557 2018 23 18 0.3 7.80 8.20 A7IV O 160926.97-310311.2
16094-3103 I 557 2019 24 19 0.3 7.80 8.20 A7IV O 160926.97-310311.2

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 16094-3103 I 557 (HD 144926) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 16094-3103 I 557 (HD 144926) : MEASURES
 
 
No records found.

 
 
WDS 16094-3103 (HD 144926) : VIRTUAL EYEPIECE
 
 

16094-3103 I   557A mag 7.8 Sp A7IV 16094-3103 I   557B sep 0.3 P.A. 16.70 mag 8.2 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 16094-3103 (HD 144926) : ALADIN DSS IMAGE @ 16h 09m 26.97s -31° 03' 11.2"
 
 
 
 
WDS 16094-3103 I 557 (HD 144926) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


16094-3103  I   557 distance=0' 16092-3054  BRT3028 distance=10' 16099-3136  COO 194 distance=34' 16078-3037  RSS 398 distance=34' 16074-3127  KPP2285 distance=36' 16107-3025  UC 3125 distance=42' 16065-3121  B  1315 distance=43' 16073-3135  DAW  19 distance=43' 16071-3033  CTI3678BC distance=43' 16111-3142  BRT3029 distance=44' 16085-3155  B  1316 distance=54' 16055-3214  B  1314 distance=88' 16161-3037  I  1586 distance=90' 16159-3030  RST1884 distance=90' 16027-3040  USD 365AB distance=90' 16027-3040  VSP  47Aa,Ab distance=90' 16051-3219  KPP1389 distance=94' 16036-3008  KOU  47AB distance=94' 16036-3008  KOU  47AC distance=94' 16095-3239  BSO  11AB distance=96' 16095-3239  BSO  11AC distance=96' 16076-2928  RSS 397 distance=98' 16020-3042  B  1313 distance=99' 16094-3242  ARY 121 distance=99' 16018-3111  TDS9734 distance=100' 16172-3110  NSN 391 distance=100' 16101-3244  SKF2049 distance=102' 16170-3137  TSN 180 distance=103' 16106-3246  JNN 222AB distance=104' 16146-3224  JSP 687 distance=105' 16092-2918  YSC 111 distance=105' 16029-3210  KPP4386BC distance=107' 16029-3210  PRO 128AB distance=107' 16029-3210  KPP4386AC distance=107' 16041-3227  RST2997 distance=108' 16059-3243  B  2798 distance=110' 16088-2913  SUB   7 distance=111' 16133-2922  USD 985 distance=113' 16172-3158  KPP3016 distance=114' 16006-3112  KPP1232 distance=115' 16182-3137  B  1317 distance=118' 16057-3252  WSI  84Ba,Bb distance=119' 16057-3252  SEE 264AB distance=119' 16057-3252  SEE 264AC distance=119' 16004-3042  KPP 700 distance=120' 16053-3254  I  1584 distance=123' 16169-2945  SEE 270 distance=125' 16021-2943  HJ 4826 distance=125' 16025-3231  UC 3106 distance=125' 16105-3307  RST3005 distance=125' 16097-2858  RST1880 distance=126' grafico limitrofi
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

Show name coord_2000 discov# comp pa sep dist(')
Show 16094-3103 I 557 19 0.3
Show 16092-3054 BRT3028 43 2.4 10
Show 16099-3136 COO 194 359 7.7 34
Show 16078-3037 RSS 398 220 10.1 34
Show 16074-3127 KPP2285 304 19.3 36
Show 16107-3025 UC 3125 265 42.1 42
Show 16065-3121 B 1315 67 0.6 43
Show 16073-3135 DAW 19 40 1.3 43
Show 16071-3033 CTI3678 BC 240 8.1 43
Show 16111-3142 BRT3029 191 3.0 44
Show 16085-3155 B 1316 297 0.3 54
Show 16055-3214 B 1314 153 0.3 88
Show 16161-3037 I 1586 192 0.3 90
Show 16159-3030 RST1884 132 0.8 90
Show 16027-3040 USD 365 AB 81 2.4 90
Show 16027-3040 VSP 47 Aa,Ab 50 0.1 90
Show 16051-3219 KPP1389 311 10.4 94
Show 16036-3008 KOU 47 AB 102 9.0 94
Show 16036-3008 KOU 47 AC 183 5.7 94
Show 16095-3239 BSO 11 AB 84 7.6 96
Show 16095-3239 BSO 11 AC 91 56.1 96
Show 16076-2928 RSS 397 296 8.1 98
Show 16020-3042 B 1313 306 0.1 99
Show 16094-3242 ARY 121 15 67.1 99
Show 16018-3111 TDS9734 282 0.6 100
Show 16172-3110 NSN 391 13 2.8 100
Show 16101-3244 SKF2049 140 47.2 102
Show 16170-3137 TSN 180 37 0.3 103
Show 16106-3246 JNN 222 AB 98 4.3 104
Show 16146-3224 JSP 687 11 1.8 105
Show 16092-2918 YSC 111 203 0.3 105
Show 16029-3210 KPP4386 BC 342 49.3 107
Show 16029-3210 PRO 128 AB 131 6.3 107
Show 16029-3210 KPP4386 AC 346 44.1 107
Show 16041-3227 RST2997 139 0.6 108
Show 16059-3243 B 2798 217 3.8 110
Show 16088-2913 SUB 7 265 2.4 111
Show 16133-2922 USD 985 71 0.3 113
Show 16172-3158 KPP3016 331 3.8 114
Show 16006-3112 KPP1232 201 9.3 115
Show 16182-3137 B 1317 103 1.4 118
Show 16057-3252 WSI 84 Ba,Bb 212 0.1 119
Show 16057-3252 SEE 264 AB 356 0.8 119
Show 16057-3252 SEE 264 AC 3 10.0 119
Show 16004-3042 KPP 700 355 6.2 120
Show 16053-3254 I 1584 315 2.4 123
Show 16169-2945 SEE 270 140 9.4 125
Show 16021-2943 HJ 4826 248 4.9 125
Show 16025-3231 UC 3106 173 12.2 125
Show 16105-3307 RST3005 344 0.5 125
Show 16097-2858 RST1880 167 3.6 126

 
 
WDS 16094-3103 : COMPONENTS
 
 
  A
B pa=16.7°
sep=0.27"
 
 
16094-3103 A
 
 
Componente originario normalizzato AB Name HD 144926 Coord arcsec 2000 160926.97-310311.2 Mag 7.8
Spectral class A7IV (white) PmRA -69.00 PmDE -74.0 SAO 207395
Tycho2 7330-02616-1 HD 144926 GC 21711 DM CD-3012880
Tycho2
Tycho2 7330-02616-1 Pflag RAmdeg 242.36238035 DEmdeg -31.05312437
PmRA -65.5 PmDE -68.1 E RAmdeg 4 E DEmdeg 5
E pmRA 1.3 E pmDE 1.4 EpRAm 1991.45 EpDEm 1990.94
Num 8 Q RAmdeg 1.0 Q DEmdeg 1.0 Q pmRA 1.2
Q pmDE 0.9 BTmag 7.488 E BTmag 0.015 VTmag 7.167
E VTmag 0.010 Prox 999 TYC T HIP
CCDM RAdeg 242.36255667 DEdeg -31.05296028 EpRA 1990 1.71
EpDE 1990 1.33 E RAdeg 4.1 E DEdeg 4.9 Posflg
Corr 0.1
SAO
SAO 207395 DelFlag RA1950 PmRA1950 -0.0041
DE1950 PmDE1950 -0.051 Vmag 7.1 SpType F0
Double code Source 70 CatNum 21711 DM CD-3012880
DMcomp BDsup HD 144926 M HD 0
GC 21711 RA1950rad 4.21628493 DE1950rad -0.53967363 PmRA2000 -0.0042
PmDE2000 -0.049
CCDM
Ccdm 16094-3103 RComp Comp A Note1
Note2 Discov num DRAs 2.95 DDEs -11.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.8 Sp F0 PmNote *
PmRA -66 PmDE -67 Dm number -3012880 Cat1 CD
Name2 207395 Cat2 SAO HD 144926 M HD
ADS BDS M ADS BDS N IDS IDS 16032S3047A
HIC
 
 
16094-3103 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 160926.98-310310.9 Mag 8.2 Calc delta mag 0.4
Calc coord yes
CCDM
Ccdm 16094-3103 RComp Comp B Note1
Note2 Discov num I 557 DRAs DDEs
R dRAs Year 1959 Theta 218 Rho 0.4
Obs 8 Vmag 8.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 16032S3047B
HIC