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Doubles in session


Current system
23326-4520
RST 3325
HD 221465


Nearby doubles
13' : 23327-4507
SEE 488

24' : 23344-4533
KPP1036

31' : 23354-4524
RST3327

51' : 23320-4610
CPO 98

60' : 23346-4425
KPP 532

60' : 23382-4515
B 2908

61' : 23359-4610
LDS 818

63' : 23323-4417
DON1050

70' : 23389-4537
SHY 836

74' : 23257-4537
TOK 866

77' : 23265-4607
LDS6398

78' : 23375-4618
I 1473

79' : 23312-4638
TDT4081

81' : 23249-4521
KPP1928

93' : 23384-4629
RSS 581

95' : 23250-4431
CPO 638

95' : 23332-4655
RST1169

102' : 23289-4346
B 2509

105' : 23321-4335
TOK 683

106' : 23364-4342
HDS3358

107' : 23229-4550
WIS 383

107' : 23395-4638
DUN 251

119' : 23333-4718
COO 257

121' : 23421-4414
DON1052

122' : 23232-4632
RST1166

125' : 23431-4619
DAW 28AB



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.

23326-4520 RST 3325 (HD 221465)

 
 
23h 32m 33.04s -45° 19' 54.6" P.A. 122.00 sep 0.2 mag 9.32,9.86 Sp F3V dist. 135.87 pc (443.21 l.y.)
 
 
Coord 2000 23326-4520 Discov num RST3325 Comp Coord arcsec 2000 23 32 33.04 -45 19 54.6
Date first 1932 Date last 2020 Obs 15
Pa first 160 Pa last 121.9 P.A. Now (θ) 124.2°
Sep first 0.2 Sep last 0.2 Sep. Now (ρ) 0.202"
Mag pri 9.32 Mag sec 9.86 delta mag (ΔM) 0.54 Spectral class F3V (yellow-white)
Pri motion ra -026 Sec motion ra
Pri motion dec -028 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 221465 Constellation Phoenix SAO 231654 HIP 116193
Tycho2 8456-00849-1 Gaia DR2 6528742029594296064 HD 221465 CD CD-4614689
CP CP-4610551 Distance 135.87 Distance ly 443.21
 
 
ORBITAL ELEMENTS
 
 
Period (P)122.3y± 5.3 Periastron (T)1996.63y± 0.4 Semi-major axis (a)0.198a± 0.005
Eccentricity (e)0.646± 0.021 Inclination (i)61.5°± 1.8 Longitude of periastron (ω)255°± 1.9
Node (Ω)102.2°± 1.6 Notes ReferenceTok2021c
Equinox2000 Last observation2020 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 71.3 0.061
2001 80.5 0.075
2002 86.8 0.089
2003 91.5 0.102
2004 95.1 0.113
2005 98.1 0.123
2006 100.7 0.133
2007 102.9 0.141
2008 104.9 0.149
2009 106.7 0.156
2010 108.4 0.162
2011 109.9 0.168
2012 111.4 0.173
2013 112.8 0.177
2014 114.1 0.181
2015 115.3 0.185
2016 116.5 0.188
2017 117.7 0.191
2018 118.8 0.194
2019 120.0 0.196
2020 121.0 0.198
2021 122.1 0.200
2022 123.1 0.201
2023 124.2 0.202
2024 125.2 0.203
2025 126.2 0.204
2026 127.2 0.205
2027 128.2 0.205
2028 129.2 0.206
2029 130.2 0.206
2030 131.2 0.206


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


 
  


wds23326-4520a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 23326-4520 RST 3325 (HD 221465) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2021c orb - Tokovinin, A. 2021IAUDS.203....1S
Tok2021c Inf. Circ. 203, 1, 2021
 
 
DISCOVERER
 
 
idgroup discov author
1 RST Rossiter, R.A.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
23326-4520 RST3325 1991 11 270 0.1 9.32 9.86 F3V 233233.04-451954.6
23326-4520 RST3325 2008 12 286 0.2 9.32 9.86 F3V 233233.04-451954.6
23326-4520 RST3325 2017 13 298 0.2 9.32 9.86 F3V 233233.04-451954.6
23326-4520 RST3325 2019 14 120 0.2 9.32 9.86 F3V 233233.04-451954.6
23326-4520 RST3325 2020 15 122 0.2 9.32 9.86 F3V 233233.04-451954.6

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

 
 
WDS 23326-4520 RST 3325 (HD 221465) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 23326-4520 RST 3325 (HD 221465) : MEASURES
 
 
No records found.

 
 
WDS 23326-4520 (HD 221465) : VIRTUAL EYEPIECE
 
 

23326-4520 RST3325A mag 9.32 Sp F3V 23326-4520 RST3325B sep 0.2 P.A. 131.50 mag 9.86 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 23326-4520 (HD 221465) : ALADIN DSS IMAGE @ 23h 32m 33.04s -45° 19' 54.6"
 
 
 
 
WDS 23326-4520 RST 3325 (HD 221465) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

23326-4520 RST3325 distance=1' 23327-4507 SEE 488 distance=13' 23344-4533 KPP1036 distance=24' 23354-4524 RST3327 distance=31' 23320-4610 CPO 98 distance=51' 23346-4425 KPP 532 distance=60' 23382-4515 B 2908 distance=60' 23359-4610 LDS 818 distance=61' 23323-4417 DON1050 distance=63' 23389-4537 SHY 836 distance=70' 23257-4537 TOK 866 distance=74' 23265-4607 LDS6398 distance=77' 23375-4618 I 1473 distance=78' 23312-4638 TDT4081 distance=79' 23249-4521 KPP1928 distance=81' 23384-4629 RSS 581 distance=93' 23250-4431 CPO 638 distance=95' 23332-4655 RST1169 distance=95' 23289-4346 B 2509 distance=102' 23321-4335 TOK 683 distance=105' 23364-4342 HDS3358 distance=106' 23229-4550 WIS 383 distance=107' 23395-4638 DUN 251 distance=107' 23333-4718 COO 257 distance=119' 23421-4414 DON1052 distance=121' 23232-4632 RST1166 distance=122' 23431-4619 I 1607CD distance=125' 23431-4619 DAW 28AB distance=125' 23431-4619 HJ 5416AC distance=125' 23308-4724 TOK 868 distance=126' 23448-4515 COO 260AB distance=130' 23448-4515 COO 260AC distance=130' 23224-4636 CPO 637AC distance=130' 23224-4636 TOK 705AB distance=130' 23294-4730 TDT4063 distance=134' 23234-4657 RST1167 distance=136' 23400-4720 HDO 303 distance=143' 23226-4700 HJ 5396 distance=144' 23221-4656 RST1165 distance=146' 23457-4439 HJ 5418 distance=146' 23197-4619 RST3323 distance=147' 23467-4503 CPO 104 distance=151' 23399-4735 HU 1336 distance=156' 23175-4514 DON1046 distance=160' 23446-4340 BRT1134 distance=164' 23257-4254 I 144 distance=164' 23175-4608 KPP3087 distance=165' 23351-4237 B 603AB distance=166' 23351-4237 SHY 834AC distance=166' 23385-4801 I 1474 distance=173' 23252-4757 TOI 319 distance=175' 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 23326-4520 RST3325 122 0.2 1
Show 23327-4507 SEE 488 328 19.5 13
Show 23344-4533 KPP1036 153 8.3 24
Show 23354-4524 RST3327 238 0.7 31
Show 23320-4610 CPO 98 104 33.2 51
Show 23346-4425 KPP 532 7 3.9 60
Show 23382-4515 B 2908 93 3.8 60
Show 23359-4610 LDS 818 182 67.3 61
Show 23323-4417 DON1050 150 1.3 63
Show 23389-4537 SHY 836 122 804.4 70
Show 23257-4537 TOK 866 74 0.3 74
Show 23265-4607 LDS6398 315 12.7 77
Show 23375-4618 I 1473 84 15.4 78
Show 23312-4638 TDT4081 157 0.5 79
Show 23249-4521 KPP1928 328 15.2 81
Show 23384-4629 RSS 581 192 7.9 93
Show 23250-4431 CPO 638 1 4.8 95
Show 23332-4655 RST1169 231 1.7 95
Show 23289-4346 B 2509 215 7.6 102
Show 23321-4335 TOK 683 347 4.9 105
Show 23364-4342 HDS3358 161 0.5 106
Show 23229-4550 WIS 383 139 231.6 107
Show 23395-4638 DUN 251 227 3.9 107
Show 23333-4718 COO 257 185 5.9 119
Show 23421-4414 DON1052 269 3.4 121
Show 23232-4632 RST1166 133 2.7 122
Show 23431-4619 I 1607 CD 172 0.5 125
Show 23431-4619 DAW 28 AB 76 3.6 125
Show 23431-4619 HJ 5416 AC 215 45.2 125
Show 23308-4724 TOK 868 195 0.2 126
Show 23448-4515 COO 260 AB 306 4.1 130
Show 23448-4515 COO 260 AC 7 27.6 130
Show 23224-4636 CPO 637 AC 149 38.4 130
Show 23224-4636 TOK 705 AB 49 1.1 130
Show 23294-4730 TDT4063 237 0.5 134
Show 23234-4657 RST1167 343 2.8 136
Show 23400-4720 HDO 303 67 2.0 143
Show 23226-4700 HJ 5396 146 12.2 144
Show 23221-4656 RST1165 336 1.8 146
Show 23457-4439 HJ 5418 134 8.1 146
Show 23197-4619 RST3323 190 0.8 147
Show 23467-4503 CPO 104 162 2.3 151
Show 23399-4735 HU 1336 285 2.0 156
Show 23175-4514 DON1046 102 0.2 160
Show 23446-4340 BRT1134 224 5.5 164
Show 23257-4254 I 144 179 0.3 164
Show 23175-4608 KPP3087 213 5.8 165
Show 23351-4237 B 603 AB 273 6.5 166
Show 23351-4237 SHY 834 AC 212 294.1 166
Show 23385-4801 I 1474 245 0.3 173
Show 23252-4757 TOI 319 76 0.1 175

 
 
WDS 23326-4520 : COMPONENTS
 
 
  A
B pa=131.5°
sep=0.16"
 
 
23326-4520 A
 
 
Componente originario normalizzato AB Name HD 221465 Coord arcsec 2000 233233.04-451954.6 Mag 9.32
Spectral class F3V (yellow-white) PmRA -26.00 PmDE -28.0 SAO 231654
HIP 116193 Tycho2 8456-00849-1 HD 221465 CD CD-4614689
CP CP-4610551
Tycho2
Tycho2 8456-00849-1 Pflag RAmdeg 353.13754489 DEmdeg -45.33189148
PmRA -31.8 PmDE -28.6 E RAmdeg 8 E DEmdeg 9
E pmRA 1.1 E pmDE 1.1 EpRAm 1990.09 EpDEm 1989.98
Num 9 Q RAmdeg 0.9 Q DEmdeg 0.6 Q pmRA 0.9
Q pmDE 0.5 BTmag 9.150 E BTmag 0.019 VTmag 8.753
E VTmag 0.015 Prox 999 TYC T HIP 116193
CCDM AS RAdeg 353.13765083 DEdeg -45.33182611 EpRA 1990 1.60
EpDE 1990 1.73 E RAdeg 8.1 E DEdeg 8.8 Posflg P
Corr -0.1
SAO
SAO 231654 DelFlag RA1950 PmRA1950 -0.0027
DE1950 PmDE1950 -0.024 Vmag 8.5 SpType F2
Double code Source 48 CatNum 20537 DM CP-4610551
DMcomp BDsup HD 221465 M HD 0
GC RA1950rad 6.1516221 DE1950rad -0.79600571 PmRA2000 -0.0025
PmDE2000 -0.029
Hipparcos
Catalog H HIP 116193 Proxy H RAhms 23 32 33.04
DEdms -45 19 54.6 Vmag 8.72 VarFlag R Vmag H
RAdeg 353.138 DEdeg -45.3318 AstroRef * Plx 6.82
CCDM 23326-4520 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source S Qual D M HIP AS
Theta 270 Rho 0.092 HD 221465 BD
CD CD-4614689 CP CP-4610551 Dm number -4614689 VIred 0.31
SpType F3V R SpType Coord arcsec 2000 233233.04-451954.6
Hipparcos 2
HIP 116193 Sn 55 So 3 Nc 2
RArad 6.163414863 DErad -0.791189526 Plx 7.36 PmRA -34.22
PmDE -29.84 E RArad 0.8 E DErad 0.78 E Plx 1.14
E pmRA 0.91 E pmDE 0.67 Hpmag 8.8084 E Hpmag 0.002
SHp 0.017 VA 0 BV 0.379 E BV 0.019
VI 0.44
CCDM
Ccdm 23326-4520 RComp Comp A Note1
Note2 Discov num DRAs -2.98 DDEs 5.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.4 Sp F2 PmNote *
PmRA -28 PmDE -24 Dm number -4614689 Cat1 CD
Name2 231654 Cat2 SAO HD 221465 M HD
ADS BDS M ADS BDS N IDS IDS 23271S4553A
HIC 116193
 
 
23326-4520 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 233233.05-451954.7 Mag 9.86 Calc delta mag 0.54
Calc coord yes
CCDM
Ccdm 23326-4520 RComp Comp B Note1
Note2 Discov num RST3325 DRAs DDEs
R dRAs Year 1947 Theta 182 Rho 0.2
Obs 4 Vmag 9.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 23271S4553B
HIC 116193