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Current system
22473-1609
HU 291
HD 215696


Nearby doubles
18' : 22471-1552
GWP3196

38' : 22492-1541
RST4112

39' : 22460-1536
HU 290

40' : 22487-1534
HJ 3145

55' : 22435-1608
HU 289

78' : 22521-1533
LDT 20

80' : 22429-1656
RST3308

85' : 22527-1513
HJ 3148

91' : 22427-1508
GWP3187

91' : 22412-1625
TOK 905

94' : 22528-1519
GWP3202

95' : 22538-1628
UC 4844AB

96' : 22492-1740
LDS5001

98' : 22527-1509
DAM 249AB

100' : 22481-1430
LIG 1

104' : 22413-1514
KPP3425

104' : 22535-1704
GWP3203

104' : 22451-1430
RST4110

105' : 22401-1558
HU 288

105' : 22533-1710
RST3309

105' : 22504-1744
DON1038

108' : 22522-1730
RED 12

109' : 22512-1742
KPP 619

120' : 22526-1437
SKF2824

124' : 22417-1742
DON1036

124' : 22515-1419
LDS2957



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

22473-1609 HU 291 (HD 215696)

 
 
22h 47m 20.65s -16° 08' 44.6" P.A. 326.00 sep 2.7 mag 7.55,9.84 Sp G5V dist. 33.96 pc (110.78 l.y.)
 
 
Coord 2000 22473-1609 Discov num HU  291 Comp Coord arcsec 2000 22 47 20.65 -16 08 44.6
Date first 1900 Date last 2015 Obs 33
Pa first 6 Pa last 325.5 P.A. Now (θ) 325.5°
Sep first 2.1 Sep last 2.652 Sep. Now (ρ) 2.652"
Mag pri 7.55 Mag sec 9.84 delta mag (ΔM) 2.29 Spectral class G5V (yellow)
Pri motion ra +376 Sec motion ra +353
Pri motion dec -064 Sec motion dec -070
Notes N O (See Notes, Orbital solution)
rPM=0.062 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 215696 Constellation Aquarius SAO 165289 HIP 112504
Tycho2 6387-01322-1 HD 215696 ADS 16265 BD BD-16 6152
Distance 33.96 Distance ly 110.78
 
 
ORBITAL ELEMENTS
 
 
Period (P)823.575y± 371.1501 Periastron (T)2066.7346y± 22.6478 Semi-major axis (a)5.76514a± 3.37004
Eccentricity (e)0.77656± 0.18874 Inclination (i)102.882°± 8.43 Longitude of periastron (ω)254.048°± 14.867
Node (Ω)133.029°± 5.444 Notesn ReferenceIzm2019
Equinox Last observation2014 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 329.7 2.699
2001 329.4 2.699
2002 329.1 2.699
2003 328.9 2.698
2004 328.6 2.697
2005 328.3 2.696
2006 328.0 2.694
2007 327.7 2.692
2008 327.5 2.689
2009 327.2 2.686
2010 326.9 2.683
2011 326.6 2.679
2012 326.3 2.675
2013 326.0 2.670
2014 325.8 2.665
2015 325.5 2.659
2016 325.2 2.652
2017 324.9 2.646
2018 324.6 2.638
2019 324.3 2.630
2020 324.0 2.621
2021 323.7 2.612
2022 323.4 2.602
2023 323.1 2.591
2024 322.8 2.579
2025 322.5 2.567
2026 322.2 2.554
2027 321.9 2.540
2028 321.5 2.525
2029 321.2 2.509
2030 320.9 2.492


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


 
  


wds22473-1609a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 22473-1609 HU 291 (HD 215696) : NOTES
 
 
discov_num notes refcode
HU 291 A=SB1, P=420d. Tok2014d
 
 
REFERENCES
 
 
refcode metd author reference
Izm2019 orb u Izmailov, I.S. 2019AstL...45...30I
Izm2019 Ast. Lett. 45, 30, 2019
Izm2019 (Orbital elements from weighted solutions used when available (Table 2),
Izm2019 unweighted elements (Table 1) used for remaining 29 systems.)
Tok2014d E2 - Tokovinin, A. 2014AJ....147...86T
Tok2014d AJ 147, 86, 2014
 
 
DISCOVERER
 
 
idgroup discov author
1 HU Hussey, W.F.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
22473-1609 HU 291 2001 30 329 2.7 7.55 9.84 G5V 224720.75-160847.0
22473-1609 HU 291 2008 31 327 2.7 7.55 9.84 G5V 224720.75-160847.0
22473-1609 HU 291 2014 32 326 2.7 7.55 9.84 G5V 224720.75-160847.0
22473-1609 HU 291 2015 33 326 2.7 7.55 9.84 G5V N 224720.65-160844.6

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

 
 
WDS 22473-1609 HU 291 (HD 215696) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 22473-1609 HU 291 (HD 215696) : MEASURES
 
 
No records found.

 
 
WDS 22473-1609 (HD 215696) : VIRTUAL EYEPIECE
 
 

22473-1609 HU 291A mag 7.55 Sp G5V 22473-1609 HU 291B sep 2.6 P.A. 326.60 mag 9.84 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 22473-1609 (HD 215696) : ALADIN DSS IMAGE @ 22h 47m 20.65s -16° 08' 44.6"
 
 
 
 
WDS 22473-1609 HU 291 (HD 215696) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

22473-1609 HU 291 distance=0' 22471-1552 GWP3196 distance=18' 22492-1541 RST4112 distance=38' 22460-1536 HU 290 distance=39' 22487-1534 HJ 3145 distance=40' 22435-1608 HU 289 distance=55' 22521-1533 LDT 20 distance=78' 22429-1656 RST3308 distance=80' 22527-1513 HJ 3148 distance=85' 22427-1508 GWP3187 distance=91' 22412-1625 TOK 905 distance=91' 22528-1519 GWP3202 distance=94' 22538-1628 UC 4844AB distance=95' 22538-1628 GWP3205AC distance=95' 22492-1740 LDS5001 distance=96' 22527-1509 DAM 249AB distance=98' 22527-1509 DAM 249AC distance=98' 22481-1430 LIG 1 distance=100' 22413-1514 KPP3425 distance=104' 22535-1704 GWP3203 distance=104' 22451-1430 RST4110 distance=104' 22401-1558 HU 288 distance=105' 22533-1710 RST3309 distance=105' 22504-1744 DON1038 distance=105' 22522-1730 RED 12 distance=108' 22512-1742 KPP 619 distance=109' 22526-1437 SKF2824 distance=120' 22417-1742 DON1036 distance=124' 22515-1419 LDS2957 distance=124' 22477-1403 STF2943AB distance=126' 22477-1403 GUI 38AC distance=126' 22561-1641 GWP3212 distance=130' 22412-1429 K2 21 distance=134' 22512-1811 GWP3201 distance=134' 22380-1550 FEN 40 distance=135' 22385-1519 BLA 10AB distance=137' 22488-1352 DAM 657 distance=139' 22487-5935 TOI 342 distance=144' 22517-1352 OCC 693 distance=151' 22374-1519 RST4107 distance=152' 22419-1823 GWP3184 distance=156' 22496-1336 H 6 97 distance=157' 22365-1618 SKF2823 distance=158' 22567-1444 LDS5022 distance=160' 22380-1432 KPP4282AB distance=167' 22367-1446 LDS2950 distance=175' 22579-1439 TDT3818 distance=177' 22449-1903 UC 4806 distance=178' 22386-1404 HJ 5355AB distance=178' 22386-1404 HJ 5355AC distance=178' 22581-1441 GWP3217 distance=179' 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 22473-1609 HU 291 326 2.7
Show 22471-1552 GWP3196 134 12.3 18
Show 22492-1541 RST4112 112 0.6 38
Show 22460-1536 HU 290 353 17.5 39
Show 22487-1534 HJ 3145 196 15.2 40
Show 22435-1608 HU 289 280 1.3 55
Show 22521-1533 LDT 20 252 0.7 78
Show 22429-1656 RST3308 137 0.9 80
Show 22527-1513 HJ 3148 140 29.7 85
Show 22427-1508 GWP3187 294 9.1 91
Show 22412-1625 TOK 905 65 4.5 91
Show 22528-1519 GWP3202 182 128.8 94
Show 22538-1628 UC 4844 AB 92 27.3 95
Show 22538-1628 GWP3205 AC 294 18.3 95
Show 22492-1740 LDS5001 25 4.2 96
Show 22527-1509 DAM 249 AB 8 12.9 98
Show 22527-1509 DAM 249 AC 244 14.6 98
Show 22481-1430 LIG 1 248 0.1 100
Show 22413-1514 KPP3425 311 4.2 104
Show 22535-1704 GWP3203 183 21.3 104
Show 22451-1430 RST4110 346 0.9 104
Show 22401-1558 HU 288 244 0.5 105
Show 22533-1710 RST3309 316 1.0 105
Show 22504-1744 DON1038 67 0.4 105
Show 22522-1730 RED 12 358 0.1 108
Show 22512-1742 KPP 619 225 5.7 109
Show 22526-1437 SKF2824 251 6.5 120
Show 22417-1742 DON1036 282 0.6 124
Show 22515-1419 LDS2957 146 68.0 124
Show 22477-1403 STF2943 AB 127 21.0 126
Show 22477-1403 GUI 38 AC 35 63.4 126
Show 22561-1641 GWP3212 72 28.3 130
Show 22412-1429 K2 21 235 3.0 134
Show 22512-1811 GWP3201 82 20.3 134
Show 22380-1550 FEN 40 60 6.1 135
Show 22385-1519 BLA 10 AB 357 0.4 137
Show 22488-1352 DAM 657 205 8.1 139
Show 22487-5935 TOI 342 227 0.4 144
Show 22517-1352 OCC 693 -1 0.0 151
Show 22374-1519 RST4107 98 1.4 152
Show 22419-1823 GWP3184 23 45.7 156
Show 22496-1336 H 6 97 297 132.4 157
Show 22365-1618 SKF2823 349 7.3 158
Show 22567-1444 LDS5022 251 2.3 160
Show 22380-1432 KPP4282 AB 21 2.5 167
Show 22367-1446 LDS2950 108 8.2 175
Show 22579-1439 TDT3818 100 0.4 177
Show 22449-1903 UC 4806 57 29.0 178
Show 22386-1404 HJ 5355 AB 289 83.8 178
Show 22386-1404 HJ 5355 AC 359 106.7 178
Show 22581-1441 GWP3217 167 25.6 179

 
 
WDS 22473-1609 : COMPONENTS
 
 
  A
B pa=326.6°
sep=2.62"
 
 
22473-1609 A
 
 
Componente originario normalizzato AB Name HD 215696 Coord arcsec 2000 224720.65-160844.6 Mag 7.55
Spectral class G5V (yellow) PmRA 376.00 PmDE -64.0 SAO 165289
HIP 112504 Tycho2 6387-01322-1 HD 215696 BD BD-16 6152
Tycho2
Tycho2 6387-01322-1 Pflag RAmdeg 341.83647664 DEmdeg -16.14638120
PmRA 375.9 PmDE -64.2 E RAmdeg 5 E DEmdeg 6
E pmRA 2.2 E pmDE 2.2 EpRAm 1991.75 EpDEm 1991.64
Num 3 Q RAmdeg 1.2 Q DEmdeg 0.8 Q pmRA 1.3
Q pmDE 0.9 BTmag 8.287 E BTmag 0.016 VTmag 7.549
E VTmag 0.012 Prox 27 TYC T HIP 112504
CCDM A RAdeg 341.83558639 DEdeg -16.14623361 EpRA 1990 1.81
EpDE 1990 1.73 E RAdeg 5.0 E DEdeg 6.1 Posflg
Corr -0.2
SAO
SAO 165289 DelFlag RA1950 PmRA1950 0.0261
DE1950 PmDE1950 -0.05 Vmag 8 SpType G0
Double code Source 21 CatNum 8463 DM BD-16 6152
DMcomp BDsup HD 215696 M HD 0
GC RA1950rad 5.95444351 DE1950rad -0.28639732 PmRA2000 0.0262
PmDE2000 -0.053
Hipparcos
Catalog H HIP 112504 Proxy H RAhms 22 47 20.53
DEdms -16 08 46.4 Vmag 7.35 VarFlag R Vmag G
RAdeg 341.836 DEdeg -16.1462 AstroRef A Plx 29.51
CCDM 22473-1609 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 332 Rho 2.714 HD 215696 BD BD-16 6152
CD CP Dm number -16 6152 VIred 0.74
SpType G5V R SpType Coord arcsec 2000 224720.53-160846.4
Hipparcos 2
HIP 112504 Sn 17 So 3 Nc 2
RArad 5.966155434 DErad -0.2818048643 Plx 29.45 PmRA 368.56
PmDE -55.79 E RArad 0.99 E DErad 0.81 E Plx 1.17
E pmRA 1.3 E pmDE 1.01 Hpmag 7.4734 E Hpmag 0.0015
SHp 0.009 VA 0 BV 0.684 E BV 0.005
VI 0.74
CCDM
Ccdm 22473-1609 RComp Comp A Note1
Note2 Discov num DRAs 2.75 DDEs 14.3
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.5 Sp G0 PmNote *
PmRA 375 PmDE -50 Dm number -16 6152 Cat1 BD
Name2 165289 Cat2 SAO HD 215696 M HD
ADS BDS A16265 M ADS BDS N IDS IDS 22420S1640A
HIC 112504
 
 
22473-1609 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 224720.55-160842.4 Mag 9.84 PmRA 353.00
PmDE -70.0 Calc delta mag 2.29 Calc coord yes
CCDM
Ccdm 22473-1609 RComp Comp B Note1
Note2 Discov num HU 291 DRAs DDEs
R dRAs Year 1945 Theta 349 Rho 2.4
Obs 14 Vmag 10.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A16265 M ADS BDS N IDS IDS 22420S1640B
HIC 112504