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Current system
22007-5002
I 1450
HD 208890


Nearby doubles
14' : 21595-5009
UC 4622

15' : 22020-4955
SKF 382

15' : 21598-5015
HU 1635

39' : 22041-5021
UC 4640

55' : 21547-5003
LDS6367

59' : 22012-4904
TOI 140

65' : 21577-5059
LDS 765

71' : 21572-5105
HJ 5309

72' : 21571-5105
TDT3257

76' : 22048-5106
RST1120

77' : 22067-4913
RSS 566

78' : 22017-5119
WIS 360

78' : 22087-4957
UC 4662

82' : 22057-5107
SPM 41

89' : 21594-4834
RST5481

98' : 21549-5121
SKF1176

100' : 22009-5141
DAM 343

101' : 22077-5107
LDS 772AB

101' : 22072-5122
UC 4656

104' : 22012-5146
RSS 565

105' : 21536-4844
WIS 355

107' : 22063-4831
UC 4648

108' : 21547-4831
LDS6366

109' : 22033-4816
CPO 90AB

113' : 21511-4858
NSN 464

118' : 22102-4850
KPP1495



Selections
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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.

22007-5002 I 1450 (HD 208890)

 
 
22h 00m 39.40s -50° 02' 07.3" P.A. 349.00 sep 0.8 mag 10.26,9.95 Sp KO+K1 dist. 99.3 pc (323.92 l.y.)
 
 
Coord 2000 22007-5002 Discov num I  1450 Comp Coord arcsec 2000 22 00 39.40 -50 02 07.3
Date first 1926 Date last 2015 Obs 10
Pa first 24 Pa last 349.3 P.A. Now (θ) 349.3°
Sep first 0.7 Sep last 0.78 Sep. Now (ρ) 0.78"
Mag pri 10.26 Mag sec 9.95 delta mag (ΔM) 0.31 Spectral class KO+K1 (yellow-orange/yellow-orange)
Pri motion ra +030 Sec motion ra +030
Pri motion dec -049 Sec motion dec -049
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 208890 Constellation Indus SAO 247266 HIP 108651
Tycho2 8444-00653-1 Gaia DR2 6558358337359492992 HD 208890 CD CD-5013554
CP CP-5011639 Distance 99.3 Distance ly 323.92
 
 
ORBITAL ELEMENTS
 
 
Period (P)201.75y± 10 Periastron (T)1961.8y± 1.5 Semi-major axis (a)0.599a± 0.006
Eccentricity (e)0.78± 0.015 Inclination (i)58.4°± 2 Longitude of periastron (ω)162.8°± 3
Node (Ω)10.2°± 2 Notesn ReferenceDoc2016i
Equinox2000 Last observation2015 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 342.7 0.608
2001 343.3 0.620
2002 343.8 0.633
2003 344.3 0.645
2004 344.8 0.657
2005 345.3 0.669
2006 345.8 0.680
2007 346.2 0.692
2008 346.6 0.703
2009 347.0 0.714
2010 347.5 0.725
2011 347.8 0.735
2012 348.2 0.745
2013 348.6 0.756
2014 349.0 0.765
2015 349.3 0.775
2016 349.7 0.785
2017 350.0 0.794
2018 350.3 0.803
2019 350.7 0.812
2020 351.0 0.821
2021 351.3 0.829
2022 351.6 0.838
2023 351.9 0.846
2024 352.2 0.854
2025 352.5 0.862
2026 352.7 0.869
2027 353.0 0.877
2028 353.3 0.884
2029 353.5 0.891
2030 353.8 0.898


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


 
  


wds22007-5002a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 22007-5002 I 1450 (HD 208890) : NOTES
 
 
discov_num notes refcode
I 1450 Heintz (1984) value of omega was corrected from 313.5 to 133.5 Hei1984a
degrees by Ruymaekers & Nys (1985). Ruy1995
Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
masses of 8.36 +/- 8.51, 1.75, and 1.05 Msun, respectively. Mlk2012
Gomez et al. (2016) derive dynamical parallax and component masses:
14.88 +/- 0.61 mas, 0.825 +/- 0.016 Msun, 0.778 +/- 0.015 Msun. Doc2016i
 
 
REFERENCES
 
 
refcode metd author reference
Doc2016i orb - Gomez, J., Docobo, J.A., Campo, P., & Mendez, R.A. 2016AJ....152..216G
Doc2016i AJ 152, 216, 2016
Hei1984a orb - Heintz, W.D. 1984AJ.....89.1063H
Hei1984a AJ 89, 1063, 1984
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
Ruy1995 orb - Ruymaekers, G. & Nys, O. 1995IAUDS.126....1R
Ruy1995 Inf. Circ. 126, 1, 1995
 
 
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
22007-5002 I 1450 1991 9 330 0.5 10.26 9.95 K0IV/V NOD 220039.40-500207.3
22007-5002 I 1450 2015 10 349 0.8 10.26 9.95 K0IV/V NO 220039.40-500207.3

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

 
 
WDS 22007-5002 I 1450 (HD 208890) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 22007-5002 I 1450 (HD 208890) : MEASURES
 
 
No records found.

 
 
WDS 22007-5002 (HD 208890) : VIRTUAL EYEPIECE
 
 

22007-5002 I 1450A mag 10.26 Sp KO 22007-5002 I 1450B sep 0.8 P.A. 353.10 mag 9.95 Sp K1 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 22007-5002 (HD 208890) : ALADIN DSS IMAGE @ 22h 00m 39.40s -50° 02' 07.3"
 
 
 
 
WDS 22007-5002 I 1450 (HD 208890) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

22007-5002 I 1450 distance=0' 21595-5009 UC 4622 distance=14' 22020-4955 SKF 382 distance=15' 21598-5015 HU 1635 distance=15' 22041-5021 UC 4640 distance=39' 21547-5003 LDS6367 distance=55' 22012-4904 TOI 140 distance=59' 21577-5059 LDS 765 distance=65' 21572-5105 HJ 5309 distance=71' 21571-5105 TDT3257 distance=72' 22048-5106 RST1120 distance=76' 22067-4913 RSS 566 distance=77' 22017-5119 WIS 360 distance=78' 22087-4957 UC 4662 distance=78' 22057-5107 SPM 41 distance=82' 21594-4834 RST5481 distance=89' 22077-5107 LDS 772BC distance=95' 21549-5121 SKF1176 distance=98' 22009-5141 DAM 343 distance=100' 22077-5107 LDS 772AB distance=101' 22077-5107 LDS 772AC distance=101' 22072-5122 UC 4656 distance=101' 22012-5146 RSS 565 distance=104' 21536-4844 WIS 355 distance=105' 22063-4831 UC 4648 distance=107' 21547-4831 LDS6366 distance=108' 22033-4816 CPO 90AB distance=109' 21511-4858 NSN 464 distance=113' 22102-4850 KPP1495 distance=118' 21533-4826 BRT1126 distance=121' 21536-4823 BRT1127 distance=122' 21569-4802 RST3292 distance=126' 21473-5011 TDS1145 distance=130' 21487-4901 TDT3166 distance=132' 22092-4818 TDT3370 distance=134' 22145-5001 LDS 778 distance=134' 22130-4903 COO 250 distance=134' 21474-4924 UC 4564 distance=135' 21479-5103 UC 4567 distance=136' 21484-4851 HU 1541 distance=140' 22116-4825 TSN 115 distance=145' 22104-5158 TOK 216 distance=148' 22135-4840 RST1124 distance=151' 21449-5028 TDT3134 distance=154' 22045-5232 RST1119 distance=155' 21452-4925 TDT3137AB distance=155' 21449-5042 KPP2577 distance=156' 22169-5006 TDT3442 distance=157' 22157-4859 RST1125 distance=160' 21511-5220 RST1112 distance=165' 21595-4717 RST1113 distance=166' 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 22007-5002 I 1450 349 0.8
Show 21595-5009 UC 4622 21 18.4 14
Show 22020-4955 SKF 382 228 4.1 15
Show 21598-5015 HU 1635 243 1.1 15
Show 22041-5021 UC 4640 197 23.5 39
Show 21547-5003 LDS6367 179 5.3 55
Show 22012-4904 TOI 140 337 0.0 59
Show 21577-5059 LDS 765 251 28.7 65
Show 21572-5105 HJ 5309 348 8.9 71
Show 21571-5105 TDT3257 311 2.1 72
Show 22048-5106 RST1120 110 0.9 76
Show 22067-4913 RSS 566 290 7.7 77
Show 22017-5119 WIS 360 264 999.9 78
Show 22087-4957 UC 4662 7 14.1 78
Show 22057-5107 SPM 41 84 17.3 82
Show 21594-4834 RST5481 32 0.7 89
Show 22077-5107 LDS 772 BC 222 10.8 95
Show 21549-5121 SKF1176 67 23.5 98
Show 22009-5141 DAM 343 275 8.2 100
Show 22077-5107 LDS 772 AB 331 408.7 101
Show 22077-5107 LDS 772 AC 329 405.3 101
Show 22072-5122 UC 4656 237 21.3 101
Show 22012-5146 RSS 565 203 16.8 104
Show 21536-4844 WIS 355 293 591.4 105
Show 22063-4831 UC 4648 332 39.2 107
Show 21547-4831 LDS6366 265 3.8 108
Show 22033-4816 CPO 90 AB 83 56.0 109
Show 21511-4858 NSN 464 132 2.5 113
Show 22102-4850 KPP1495 269 11.2 118
Show 21533-4826 BRT1126 242 4.9 121
Show 21536-4823 BRT1127 290 3.6 122
Show 21569-4802 RST3292 60 2.8 126
Show 21473-5011 TDS1145 96 1.0 130
Show 21487-4901 TDT3166 259 0.6 132
Show 22092-4818 TDT3370 35 1.0 134
Show 22145-5001 LDS 778 208 85.8 134
Show 22130-4903 COO 250 352 5.5 134
Show 21474-4924 UC 4564 160 7.9 135
Show 21479-5103 UC 4567 153 29.0 136
Show 21484-4851 HU 1541 96 5.4 140
Show 22116-4825 TSN 115 226 885.9 145
Show 22104-5158 TOK 216 346 1.4 148
Show 22135-4840 RST1124 85 3.3 151
Show 21449-5028 TDT3134 13 1.1 154
Show 22045-5232 RST1119 122 0.7 155
Show 21452-4925 TDT3137 AB 248 0.4 155
Show 21449-5042 KPP2577 359 23.3 156
Show 22169-5006 TDT3442 180 0.5 157
Show 22157-4859 RST1125 168 0.7 160
Show 21511-5220 RST1112 1 0.5 165
Show 21595-4717 RST1113 73 0.5 166

 
 
WDS 22007-5002 : COMPONENTS
 
 
  A
B pa=353.1°
sep=0.77"
 
 
22007-5002 A
 
 
Componente originario normalizzato AB Name HD 208890 Coord arcsec 2000 220039.40-500207.3 Mag 10.26
Spectral class KO (yellow-orange) PmRA 30.00 PmDE -49.0
CCDM
Ccdm 22007-5002 RComp Comp A Note1
Note2 Discov num DRAs -2.62 DDEs -6.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.6 Sp K0 PmNote *
PmRA 27 PmDE -40 Dm number -5013554 Cat1 CD
Name2 247266 Cat2 SAO HD 208890 M HD
ADS BDS M ADS BDS N IDS IDS 21542S5031A
HIC 108651
 
 
22007-5002 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 220039.39-500206.5 Mag 9.95 Spectral class K1 (yellow-orange)
PmRA 30.00 PmDE -49.0 SAO 247266 HIP 108651
Tycho2 8444-00653-1 HD 208890 CD CD-5013554 CP CP-5011639
Calc delta mag 0.31 Calc coord yes
Tycho2
Tycho2 8444-00653-1 Pflag RAmdeg 330.16411827 DEmdeg -50.03530644
PmRA 30.1 PmDE -49.0 E RAmdeg 11 E DEmdeg 12
E pmRA 1.1 E pmDE 1.2 EpRAm 1988.21 EpDEm 1989.03
Num 8 Q RAmdeg 1.4 Q DEmdeg 1.2 Q pmRA 1.3
Q pmDE 1.2 BTmag 10.474 E BTmag 0.029 VTmag 9.431
E VTmag 0.017 Prox 999 TYC T HIP 108651
CCDM AB RAdeg 330.16400889 DEdeg -50.03519111 EpRA 1990 1.59
EpDE 1990 1.56 E RAdeg 12.1 E DEdeg 12.9 Posflg P
Corr -0.2
SAO
SAO 247266 DelFlag RA1950 PmRA1950 0.0028
DE1950 PmDE1950 -0.04 Vmag 9.3 SpType K0
Double code Source 48 CatNum 19680 DM CP-5011639
DMcomp BDsup HD 208890 M HD 0
GC RA1950rad 5.74832572 DE1950rad -0.87746373 PmRA2000 0.0027
PmDE2000 -0.045
Hipparcos
Catalog H HIP 108651 Proxy H RAhms 22 00 39.37
DEdms -50 02 06.9 Vmag 9.31 VarFlag R Vmag H
RAdeg 330.164 DEdeg -50.0352 AstroRef A Plx 12.31
CCDM 22007-5002 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 339 Rho 0.489 HD 208890 BD
CD CD-5013554 CP CP-5011639 Dm number -5013554 VIred 0.9
SpType K0IV/V R SpType Coord arcsec 2000 220039.37-500206.9
Hipparcos 2
HIP 108651 Sn 15 So 3 Nc 2
RArad 5.7624495466 DErad -0.8732797806 Plx 10.07 PmRA 28.41
PmDE -57.83 E RArad 1.51 E DErad 1.67 E Plx 2.9
E pmRA 2.36 E pmDE 2.06 Hpmag 9.4559 E Hpmag 0.0019
SHp 0.02 VA 0 BV 0.876 E BV 0.025
VI 0.92
CCDM
Ccdm 22007-5002 RComp Comp B Note1 *
Note2 Discov num I 1450 DRAs DDEs
R dRAs Year 1926 Theta 021 Rho 0.5
Obs 4 Vmag 9.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 21542S5031B
HIC 108651