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Current system
22581+2045
HO 484 AB
HD 217116


Nearby doubles
10' : 22575+2046
RBR 21
Helvetios

34' : 22590+2013
LDS5033

48' : 22574+1958
COU 334

56' : 22546+2020
BU 847

62' : 22571+1945
LDS5024

73' : 22597+2154
RAO 627

74' : 22530+2059
LDS5011AB

80' : 22545+1943
ITF 209

81' : 23028+1958
UC 4870

82' : 22561+2201
TDT3795

83' : 22569+2205
TDT3807

87' : 22576+1919
HU 397

94' : 22534+1940
ITF 129

94' : 22544+2203
DEA 92

94' : 22596+1913
CVR 963

95' : 23045+2112
LDS5043

97' : 22564+2218
TDT3802

101' : 22541+1921
GRV 617

101' : 22528+1938
ITF 126

102' : 22513+2120
UC 4834AB

106' : 22563+1902
TDT3799

114' : 22553+2231
PTF 19

116' : 22580+2240
BRT2510

117' : 22568+1849
CVR 271

121' : 22570+2244
LDS5023

123' : 23004+1846
GRV 627



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.

22581+2045 HO 484 AB (HD 217116)

 
 
22h 58m 07.97s +20° 44' 33.4" P.A. 101.00 sep 3.7 mag 8.26,12.20 Sp K0 dist. 320.51 pc (1045.5 l.y.)
 
 
Coord 2000 22581+2045 Discov num HO  484 Comp AB Coord arcsec 2000 22 58 07.97 +20 44 33.4
Date first 1893 Date last 2016 Obs 13
Pa first 100 Pa last 100.8 P.A. Now (θ) 100.8°
Sep first 3.1 Sep last 3.706 Sep. Now (ρ) 3.706"
Mag pri 8.26 Mag sec 12.20 delta mag (ΔM) 3.94 Spectral class K0 (yellow-orange)
Pri motion ra -018 Sec motion ra
Pri motion dec -008 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
22581+2045 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 217116 90904 22 58 08 +20 44 33 HO 484 AB 2016 13 101 3.7 8.26 12.20 3.94 <===
Show 90904 22 58 08 +20 44 33 HO 484 AC 2015 8 212 38.8 8.24 13.64 5.40
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 217116 Constellation Pegasus SAO 90904 HIP 113413
Tycho2 1717-00701-1 Gaia DR2 2832576497021411584 HD 217116 BD BD+19 5039
Distance 320.51 Distance ly 1045.5
 
 
WDS 22581+2045 HO 484 AB (HD 217116) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Ho_1883 Ma j Hough, G.W. 1883MNRAS..43..371H
Ho_1883 MNRAS 43, 371, 1883 (data also in Ho_1890) 1890AN....125....1H
Ho_1884 Ma j Hough, G.W. 1884MNRAS..44..365H
Ho_1884 MNRAS 44, 365, 1884 (data also in Ho_1890) 1890AN....125....1H
Ho_1885 Ma j Hough, G.W. 1885MNRAS..45..417H
Ho_1885 MNRAS 45, 417, 1885 (data also in Ho_1890) 1890AN....125....1H
Ho_1886 Ma j Hough, G.W. 1886MNRAS..46..393H
Ho_1886 MNRAS 46, 393, 1886 (data also in Ho_1890) 1890AN....125....1H
Ho_1887 Ma j Hough, G.W. 1887AN....116..273H
Ho_1887 AN 116, 273, 1887
Ho_1890 Ma j Hough, G.W. 1890AN....125....1H
Ho_1890 AN 125, 1, 1890
Ho_1890b Ma j Hough, G.W. 1890AJ......9..177H
Ho_1890b AJ 9, 177, 1890 (some data also in Ho_1890 or Ho_1894b) 1890AN....125....1H
Ho_1894a Ma - Hough, G.W. 1894MNRAS..54..251H
Ho_1894a MNRAS 54, 251, 1894
Ho_1894b Ma j Hough, G.W. (HO 304 - 490) 1894AN....135..281H
Ho_1894b AN 135, 281, 1894
Ho_1894c Ma - Hough, G.W. (measure by Dembowski, H.) 1894AN....135..281H
Ho_1894c AN 135, 281, 1894
Ho_1899a Ma j Hough, G.W. 1899AN....149..65H
Ho_1899a AN 149, 65, 1899
Ho_1899b Ma - Hough, G.W. (measure by Burnham, S.W.) 1899AN....149..65H
Ho_1899b AN 149, 65, 1899
Ho_1907 Ma - Hough, G.W. 1907PFAO....3c...1D
Ho_1907 Pub. Univ. Penn. 3, Pt. 3, 1907 (measures sent to Doolittle)
Ho_1932A Ma - Hough, G.W. 1932QB821.A43......
Ho_1932A cited in ADS, 1932 (unpublished measures sent to Aitken in manuscript by Fox)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
22581+2045 HO 484 AB 2007 11 93 3.8 8.20 12.20 K0 225807.97+204433.4
22581+2045 HO 484 AB 2015 12 101 3.7 8.26 12.20 K0 225807.97+204433.4
22581+2045 HO 484 AB 2016 13 101 3.7 8.26 12.20 K0 225807.97+204433.4

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

 
 
WDS 22581+2045 HO 484 AB (HD 217116) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 22581+2045 HO 484 AB (HD 217116) : MEASURES
 
 
No records found.

 
 
WDS 22581+2045 (HD 217116) : VIRTUAL EYEPIECE
 
 

22581+2045 HO 484A mag 8.26 Sp K0 22581+2045 HO 484B sep 3.5 P.A. 101.50 mag 12.2 22581+2045 HO 484C sep 38.2 P.A. 210.10 mag 13.64 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 22581+2045 (HD 217116) : ALADIN DSS IMAGE @ 22h 58m 07.97s +20° 44' 33.4"
 
 
 
 
WDS 22581+2045 HO 484 AB (HD 217116) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

22581+2045 HO 484AB distance=0' 22575+2046 RBR 21 (Helvetios) distance=10' 22590+2013 LDS5033 distance=34' 22574+1958 COU 334 distance=48' 22546+2020 BU 847 distance=56' 22571+1945 LDS5024 distance=62' 22597+2154 RAO 627 distance=73' 22530+2059 LDS5011AB distance=74' 22530+2059 LDS5011Aa,Ab distance=74' 22545+1943 ITF 209 distance=80' 23028+1958 UC 4870 distance=81' 22561+2201 TDT3795 distance=82' 22569+2205 TDT3807 distance=83' 22576+1919 HU 397 distance=87' 22534+1940 ITF 129 distance=94' 22544+2203 DEA 92 distance=94' 22596+1913 CVR 963 distance=94' 23045+2112 LDS5043 distance=95' 22564+2218 TDT3802 distance=97' 22541+1921 GRV 617 distance=101' 22528+1938 ITF 126 distance=101' 22513+2120 COU 238Aa,Ab distance=102' 22513+2120 UC 4834AB distance=102' 22563+1902 TDT3799 distance=106' 22553+2231 PTF 19 distance=114' 22580+2240 BRT2510 distance=116' 22568+1849 CVR 271 distance=117' 22570+2244 LDS5023 distance=121' 23004+1846 GRV 627 distance=123' 23060+1949 UC 4880 distance=124' 22525+2220 GRV 615 distance=124' 22541+2236 TDT3774 distance=125' 22519+2219 COU 239 distance=129' 23065+1955 NSN 765 distance=129' 22510+2206 KPP2626 distance=129' 23074+2035 STT 488 distance=131' 22578+1833 GRV 625 distance=132' 22497+1945 UC 4825 distance=133' 23075+2108 LWR 19AB distance=134' 23075+2108 LWR 19AC distance=134' 23075+2108 CLO 11AD distance=134' 23075+2108 MAR 1Aa,Ab distance=134' 23075+2108 MAR 1Aa,Ac distance=134' 23075+2108 MAR 1Aa,Ad distance=134' 23075+2108 MAR 1Aa,Ae distance=134' 22576+2258 PTF 21 distance=135' 23073+2010 J 212 distance=135' 22507+2211 SLW1289 distance=135' 22564+2257 COU 240 distance=135' 22579+1827 GWP3216 distance=138' 22574+1827 BPM2468 distance=139' 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 22581+2045 HO 484 AB 101 3.7
Show 22581+2045 HO 484 AC 212 38.8
Show Helvetios 22575+2046 RBR 21 245 2.9 10
Show 22590+2013 LDS5033 236 21.2 34
Show 22574+1958 COU 334 250 1.2 48
Show 22546+2020 BU 847 36 6.8 56
Show 22571+1945 LDS5024 307 54.5 62
Show 22597+2154 RAO 627 36 2.1 73
Show 22530+2059 LDS5011 AB 93 263.2 74
Show 22530+2059 LDS5011 Aa,Ab 279 1.2 74
Show 22545+1943 ITF 209 191 1.7 80
Show 23028+1958 UC 4870 38 9.5 81
Show 22561+2201 TDT3795 264 0.5 82
Show 22569+2205 TDT3807 90 0.4 83
Show 22576+1919 HU 397 263 1.2 87
Show 22534+1940 ITF 129 248 4.8 94
Show 22544+2203 DEA 92 174 9.7 94
Show 22596+1913 CVR 963 91 9.1 94
Show 23045+2112 LDS5043 135 15.2 95
Show 22564+2218 TDT3802 131 0.4 97
Show 22541+1921 GRV 617 51 65.4 101
Show 22528+1938 ITF 126 2 6.3 101
Show 22513+2120 COU 238 Aa,Ab 161 0.8 102
Show 22513+2120 UC 4834 AB 90 72.0 102
Show 22563+1902 TDT3799 129 1.1 106
Show 22553+2231 PTF 19 348 1.0 114
Show 22580+2240 BRT2510 270 3.1 116
Show 22568+1849 CVR 271 167 110.7 117
Show 22570+2244 LDS5023 11 130.7 121
Show 23004+1846 GRV 627 219 77.6 123
Show 23060+1949 UC 4880 249 12.7 124
Show 22525+2220 GRV 615 190 29.3 124
Show 22541+2236 TDT3774 281 0.4 125
Show 22519+2219 COU 239 297 2.1 129
Show 23065+1955 NSN 765 256 5.2 129
Show 22510+2206 KPP2626 150 24.2 129
Show 23074+2035 STT 488 335 14.9 131
Show 22578+1833 GRV 625 81 16.8 132
Show 22497+1945 UC 4825 61 37.7 133
Show 23075+2108 LWR 19 AB 13 14.2 134
Show 23075+2108 LWR 19 AC 116 14.9 134
Show 23075+2108 CLO 11 AD 224 240.0 134
Show 23075+2108 MAR 1 Aa,Ab 67 1.7 134
Show 23075+2108 MAR 1 Aa,Ac 329 0.9 134
Show 23075+2108 MAR 1 Aa,Ad 221 0.7 134
Show 23075+2108 MAR 1 Aa,Ae 272 0.4 134
Show 22576+2258 PTF 21 173 4.0 135
Show 23073+2010 J 212 341 4.3 135
Show 22507+2211 SLW1289 264 106.1 135
Show 22564+2257 COU 240 289 0.8 135
Show 22579+1827 GWP3216 309 7.5 138

 
 
WDS 22581+2045 : COMPONENTS
 
 
  A B
B pa=101.5°
sep=3.47"
 
C pa=210.1°
sep=38.16"
pa=214.9°
sep=39.40"
 
 
22581+2045 A
 
 
Name HD 217116 Coord arcsec 2000 225807.97+204433.4 Mag 8.26 Spectral class K0 (yellow-orange)
PmRA -18.00 PmDE -8.0 SAO 90904 HIP 113413
Tycho2 1717-00701-1 HD 217116 BD BD+19 5039
Tycho2
Tycho2 1717-00701-1 Pflag RAmdeg 344.53318215 DEmdeg 20.74258879
PmRA -19.6 PmDE -9.0 E RAmdeg 5 E DEmdeg 7
E pmRA 0.9 E pmDE 0.9 EpRAm 1991.22 EpDEm 1990.48
Num 13 Q RAmdeg 1.4 Q DEmdeg 0.9 Q pmRA 1.3
Q pmDE 0.9 BTmag 9.368 E BTmag 0.018 VTmag 8.260
E VTmag 0.012 Prox 999 TYC T HIP 113413
CCDM RAdeg 344.53322944 DEdeg 20.74261000 EpRA 1990 1.83
EpDE 1990 1.54 E RAdeg 5.1 E DEdeg 7.1 Posflg
Corr -0.1
SAO
SAO 90904 DelFlag RA1950 PmRA1950 0.0001
DE1950 PmDE1950 -0.013 Vmag 7.9 SpType K0
Double code Source 28 CatNum 9390 DM BD+19 5039
DMcomp BDsup HD 217116 M HD 0
GC RA1950rad 6.00255865 DE1950rad 0.35735121 PmRA2000 0.0001
PmDE2000 -0.018
Hipparcos
Catalog H HIP 113413 Proxy RAhms 22 58 07.97
DEdms +20 44 33.4 Vmag 8.12 VarFlag R Vmag H
RAdeg 344.533 DEdeg 20.7426 AstroRef Plx 4.4
CCDM 22581+2045 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 217116 BD BD+19 5039
CD CP Dm number +19 5039 VIred 0.93
SpType K0 R SpType Coord arcsec 2000 225807.97+204433.4
Hipparcos 2
HIP 113413 Sn 5 So 0 Nc 1
RArad 6.0132392162 DErad 0.3620268477 Plx 3.12 PmRA -17.71
PmDE -9.9 E RArad 0.72 E DErad 0.4 E Plx 0.96
E pmRA 0.8 E pmDE 0.75 Hpmag 8.2882 E Hpmag 0.0015
SHp 0.015 VA 0 BV 0.979 E BV 0.012
VI 0.96
CCDM
Ccdm 22581+2045 RComp Comp A Note1
Note2 Discov num DRAs 1.95 DDEs -27.0
R dRAs 10 Year Theta Rho
Obs 3 Vmag 8.2 Sp K0 PmNote *
PmRA -13 PmDE -9 Dm number +19 5039 Cat1 BD
Name2 90904 Cat2 SAO HD 217116 M HD
ADS BDS A16408 M ADS BDS N IDS IDS 22532N2012A
HIC 113413
 
 
22581+2045 B
 
 
Coord arcsec 2000 225808.21+204432.7 Mag 12.2 Calc delta mag 3.94 Calc coord yes
CCDM
Ccdm 22581+2045 RComp Comp B Note1
Note2 Discov num HO 484 DRAs DDEs
R dRAs Year 1942 Theta 101 Rho 3.8
Obs 9 Vmag 12.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A16408 M ADS BDS N IDS IDS 22532N2012B
HIC 113413
 
 
22581+2045 C
 
 
Coord arcsec 2000 225806.61+204400.4 Mag 13.64 PmRA -14.00 PmDE -26.0
Calc delta mag 5.38 Calc coord yes
CCDM
Ccdm 22581+2045 RComp Comp C Note1
Note2 Discov num HO 484 DRAs DDEs
R dRAs Year 1891 Theta 215 Rho 39.8
Obs 4 Vmag 12.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A16408 M ADS BDS N IDS IDS 22532N2012C
HIC