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Doubles in session


Current system
17571+0004
STF 2244
HD 163624


Nearby doubles
16' : 17577+0016
J 517

17' : 17575-0019
KPP 405

29' : 17568-0032
GWP2746

37' : 17595+0001
BAL1191

39' : 17553+0031
NSN 700

40' : 17569-0044
GWP2747

46' : 17585+0043
CVR 210

53' : 17572+0056
CVR 209

59' : 18003+0038
RAS 26

61' : 17566+0103
RST5444

66' : 17562+0108
BAL1494

67' : 18015+0006
WTT 1

74' : 18009+0050
CVR 211

81' : 18013-0054
KPP4075

82' : 17591+0119
BAL1495

90' : 17518-0046
RST5094

97' : 17559+0139
BAL1493

98' : 17521+0107
S 694

99' : 17577-0134
KPP2769

102' : 18032+0047
BAL1192

102' : 18023+0109
J 2669

103' : 18018+0118
BU 1125AB

106' : 18021+0118
KPP2618

107' : 18008+0135
BAL1496

111' : 17500+0031
A 2186

114' : 17569+0156
J 2118



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

17571+0004 STF 2244 (HD 163624)

 
 
17h 57m 04.32s +00° 04' 00.0" P.A. 99.00 sep 0.7 mag 6.89,6.56 Sp A3V dist. 118.48 pc (386.48 l.y.)
 
 
Coord 2000 17571+0004 Discov num STF2244 Comp Coord arcsec 2000 17 57 04.32 +00 04 00.0
Date first 1830 Date last 2019 Obs 200
Pa first 273 Pa last 99.3 P.A. Now (θ) 100.8°
Sep first 1.1 Sep last 0.67 Sep. Now (ρ) 0.68"
Mag pri 6.89 Mag sec 6.56 delta mag (ΔM) 0.33 Spectral class A3V (white)
Pri motion ra +026 Sec motion ra +026
Pri motion dec -009 Sec motion dec -009
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 163624 Constellation Ophiuchus SAO 122950 HIP 87875
Tycho2 0417-02593-1 HD 163624 HR 6689 GC 24414
ADS 10912 BD BD+00 3816 Distance 118.48 Distance ly 386.48
 
 
ORBITAL ELEMENTS
 
 
Period (P)474.9y Periastron (T)1978.3y Semi-major axis (a)1.032a
Eccentricity (e)0.562 Inclination (i)83.9° Longitude of periastron (ω)289.6°
Node (Ω)97.7° Notesn ReferenceMsn2017e
Equinox2000 Last observation2009 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 96.7 0.549
2001 97.0 0.560
2002 97.2 0.571
2003 97.4 0.580
2004 97.6 0.590
2005 97.8 0.598
2006 98.0 0.607
2007 98.2 0.614
2008 98.4 0.622
2009 98.6 0.628
2010 98.7 0.634
2011 98.9 0.640
2012 99.1 0.646
2013 99.2 0.651
2014 99.4 0.655
2015 99.6 0.659
2016 99.7 0.663
2017 99.9 0.666
2018 100.1 0.669
2019 100.2 0.672
2020 100.4 0.674
2021 100.5 0.676
2022 100.7 0.678
2023 100.8 0.680
2024 101.0 0.681
2025 101.1 0.681
2026 101.3 0.682
2027 101.5 0.682
2028 101.6 0.682
2029 101.8 0.682
2030 101.9 0.682


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


 
  


wds17571%2B0004e.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 17571+0004 STF 2244 (HD 163624) : NOTES
 
 
discov_num notes refcode
STF2244 Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
masses of 8.83 +/- 5.28, 4.60, and 2.00 Msun, respectively. Mlk2012
 
 
REFERENCES
 
 
refcode metd author reference
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
Msn2017e orb - Josties, J. & Mason, B.D. 2017IAUDS.193....1M
Msn2017e Inf. Circ. 193, 1, 2017
 
 
DISCOVERER
 
 
idgroup discov author
1 STF Struve, F.G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17571+0004 STF2244 2007 210 89 0.6 6.89 6.56 A3V NOD 175704.32+000400.0
17571+0004 STF2244 2009 213 98 0.6 6.89 6.56 A3V NOD 175704.32+000400.0
17571+0004 STF2244 2011 218 100 0.7 6.89 6.56 A3V NO 175704.32+000400.0
17571+0004 STF2244 2012 188 100 0.7 6.89 6.56 A3V NO 175704.32+000400.0
17571+0004 STF2244 2013 189 99 0.7 6.89 6.56 A3V NO 175704.32+000400.0
17571+0004 STF2244 2016 191 101 0.7 6.89 6.56 A3V NO 175704.32+000400.0
17571+0004 STF2244 2017 195 101 0.6 6.89 6.56 A3V NO 175704.32+000400.0
17571+0004 STF2244 2018 196 102 0.6 6.89 6.56 A3V NO 175704.32+000400.0
17571+0004 STF2244 2019 198 100 0.7 6.89 6.56 A3V NO 175704.32+000400.0

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

 
 
WDS 17571+0004 STF 2244 (HD 163624) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17571+0004 STF 2244 (HD 163624) : MEASURES
 
 
No records found.

 
 
WDS 17571+0004 (HD 163624) : VIRTUAL EYEPIECE
 
 

17571+0004 STF2244A mag 6.89 Sp A3V 17571+0004 STF2244B sep 0.7 P.A. 99.30 mag 6.56 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 17571+0004 (HD 163624) : ALADIN DSS IMAGE @ 17h 57m 04.32s +00° 04' 00.0"
 
 
 
 
WDS 17571+0004 STF 2244 (HD 163624) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17571+0004 STF2244 distance=0' 17577+0016 J 517 distance=16' 17575-0019 KPP 405 distance=17' 17568-0032 GWP2746 distance=29' 17595+0001 BAL1191 distance=37' 17553+0031 NSN 700 distance=39' 17569-0044 GWP2747 distance=40' 17585+0043 CVR 210 distance=46' 17572+0056 CVR 209 distance=53' 18003+0038 RAS 26 distance=59' 17566+0103 RST5444 distance=61' 17562+0108 BAL1494 distance=66' 18015+0006 WTT 1 distance=67' 18009+0050 CVR 211 distance=74' 18013-0054 KPP4075 distance=81' 17591+0119 BAL1495 distance=82' 17518-0046 RST5094 distance=90' 17559+0139 BAL1493 distance=97' 17521+0107 S 694 distance=98' 17577-0134 KPP2769 distance=99' 18032+0047 BAL1192 distance=102' 18023+0109 J 2669 distance=102' 18018+0118 BU 1125AB distance=103' 18018+0118 SP 3AB,C distance=103' 18021+0118 KPP2618 distance=106' 18008+0135 BAL1496 distance=107' 17500+0031 A 2186 distance=111' 17569+0156 J 2118 distance=114' 18036+0107 KPP 571 distance=117' 17548-0150 RST5096 distance=119' 18018-0133 GWP2757 distance=121' 17491-0019 GWP2740 distance=122' 17590+0202 STF2252AB distance=122' 17590+0202 STF2252AC distance=122' 17556+0204 HDS2527 distance=123' 18054-0019 A 1166 distance=126' 18028+0137 BU 635BC distance=127' 18028+0137 BU 635AB distance=127' 17529+0155 BAL1492 distance=127' 17571+0215 J 3299 distance=127' 17496-0109 GWP2741 distance=134' 17530+0204 BAL1946 distance=135' 18056+0051 J 518 distance=136' 17483+0036 BAL1189 distance=137' 18061-0022 A 1167 distance=137' 17487+0110 STF2221 distance=142' 18040-0135 BAL 579 distance=144' 17511-0149 GWP2742AB distance=145' 17511-0149 KPP4391AC distance=145' 17520+0211 BAL1945 distance=148' 17579-0223 BRT 472 distance=148' 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 17571+0004 STF2244 99 0.7
Show 17577+0016 J 517 288 4.0 16
Show 17575-0019 KPP 405 297 3.4 17
Show 17568-0032 GWP2746 14 16.6 29
Show 17595+0001 BAL1191 359 15.4 37
Show 17553+0031 NSN 700 207 37.1 39
Show 17569-0044 GWP2747 312 2.8 40
Show 17585+0043 CVR 210 214 108.4 46
Show 17572+0056 CVR 209 308 71.6 53
Show 18003+0038 RAS 26 152 0.2 59
Show 17566+0103 RST5444 256 1.4 61
Show 17562+0108 BAL1494 176 14.5 66
Show 18015+0006 WTT 1 203 0.7 67
Show 18009+0050 CVR 211 356 25.8 74
Show 18013-0054 KPP4075 189 1.7 81
Show 17591+0119 BAL1495 67 7.3 82
Show 17518-0046 RST5094 96 0.7 90
Show 17559+0139 BAL1493 27 9.3 97
Show 17521+0107 S 694 238 79.3 98
Show 17577-0134 KPP2769 267 2.3 99
Show 18032+0047 BAL1192 257 4.7 102
Show 18023+0109 J 2669 247 5.5 102
Show 18018+0118 BU 1125 AB 170 0.4 103
Show 18018+0118 SP 3 AB,C 315 0.4 103
Show 18021+0118 KPP2618 161 24.1 106
Show 18008+0135 BAL1496 163 16.4 107
Show 17500+0031 A 2186 252 0.3 111
Show 17569+0156 J 2118 264 5.6 114
Show 18036+0107 KPP 571 11 5.3 117
Show 17548-0150 RST5096 166 0.5 119
Show 18018-0133 GWP2757 273 84.1 121
Show 17491-0019 GWP2740 62 70.4 122
Show 17590+0202 STF2252 AB 23 4.0 122
Show 17590+0202 STF2252 AC 165 95.1 122
Show 17556+0204 HDS2527 111 0.1 123
Show 18054-0019 A 1166 90 0.6 126
Show 18028+0137 BU 635 BC 122 1.5 127
Show 18028+0137 BU 635 AB 302 68.8 127
Show 17529+0155 BAL1492 59 6.8 127
Show 17571+0215 J 3299 329 2.3 127
Show 17496-0109 GWP2741 314 35.9 134
Show 17530+0204 BAL1946 31 6.8 135
Show 18056+0051 J 518 142 5.1 136
Show 17483+0036 BAL1189 148 4.0 137
Show 18061-0022 A 1167 149 5.1 137
Show 17487+0110 STF2221 76 19.5 142
Show 18040-0135 BAL 579 359 7.1 144
Show 17511-0149 GWP2742 AB 69 121.4 145
Show 17511-0149 KPP4391 AC 338 3.1 145
Show 17520+0211 BAL1945 245 6.0 148
Show 17579-0223 BRT 472 118 3.7 148

 
 
WDS 17571+0004 : COMPONENTS
 
 
  A
B pa=99.3°
sep=0.67"
 
 
17571+0004 A
 
 
Componente originario normalizzato AB Name HD 163624 Coord arcsec 2000 175704.32+000400.0 Mag 6.89
Spectral class A3V (white) PmRA 26.00 PmDE -9.0 SAO 122950
HD 163624 HR 6689 GC 24414 ADS 10912
DM BD+00 3816
SAO
SAO 122950 DelFlag RA1950 PmRA1950 0.0017
DE1950 PmDE1950 -0.016 Vmag 6.1 SpType A2
Double code Source 70 CatNum 24414 DM BD+00 3816
DMcomp BDsup HD 163624 M HD 0
GC 24414 RA1950rad 4.68843075 DE1950rad 0.00125311 PmRA2000 0.0019
PmDE2000 -0.016
CCDM
Ccdm 17571+0004 RComp Comp A Note1
Note2 Discov num DRAs -1.69 DDEs -0.3
R dRAs 10 Year Theta Rho
Obs 2 Vmag 6.8 Sp A2 PmNote *
PmRA 15 PmDE -11 Dm number +00 3816 Cat1 BD
Name2 +00 2137 Cat2 AGK2/3 HD 163624 M HD
ADS BDS A10912 M ADS BDS N IDS IDS 17520N0005A
HIC 87875
 
 
17571+0004 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 175704.36+000359.9 Mag 6.56 PmRA 26.00
PmDE -9.0 HIP 87875 Tycho2 0417-02593-1 BD BD+00 3816
Calc delta mag 0.33 Calc coord yes
Tycho2
Tycho2 0417-02593-1 Pflag RAmdeg 269.26804738 DEmdeg 0.06666181
PmRA 25.9 PmDE -9.0 E RAmdeg 4 E DEmdeg 4
E pmRA 1.0 E pmDE 1.0 EpRAm 1991.40 EpDEm 1991.31
Num 15 Q RAmdeg 1.2 Q DEmdeg 1.5 Q pmRA 1.1
Q pmDE 1.4 BTmag 6.116 E BTmag 0.015 VTmag 5.982
E VTmag 0.010 Prox 999 TYC T HIP 87875
CCDM AB RAdeg 269.26798806 DEdeg 0.06668278 EpRA 1990 1.76
EpDE 1990 1.66 E RAdeg 3.6 E DEdeg 4.0 Posflg P
Corr -0.1
Hipparcos
Catalog H HIP 87875 Proxy H RAhms 17 57 04.30
DEdms +00 04 00.1 Vmag 5.95 VarFlag R Vmag G
RAdeg 269.268 DEdeg 0.0666873 AstroRef A Plx 10.46
CCDM 17571+0004 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 94 Rho 0.423 HD 163624 BD BD+00 3816
CD CP Dm number +00 3816 VIred 0.12
SpType A3V R SpType Coord arcsec 2000 175704.30+000400.1
Hipparcos 2
HIP 87875 Sn 15 So 3 Nc 2
RArad 4.6996119279 DErad 0.0011639165 Plx 8.44 PmRA 15.85
PmDE -7.8 E RArad 0.65 E DErad 0.48 E Plx 0.73
E pmRA 0.78 E pmDE 0.53 Hpmag 5.9881 E Hpmag 0.0009
SHp 0.007 VA 0 BV 0.11 E BV 0.01
VI 0.12
CCDM
Ccdm 17571+0004 RComp Comp B Note1 *
Note2 Discov num STF2244 DRAs DDEs
R dRAs Year 1959 Theta 286 Rho 0.3
Obs 99 Vmag 7.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10912 M ADS BDS N IDS IDS 17520N0005B
HIC 87875