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Doubles in session


Current system
22564+1727
STF 2957 AB
HD 216863


Nearby doubles
43' : 22562+1810
UC 4851

51' : 22547+1812
J 621AB

53' : 22575+1817
KPP4295

56' : 22546+1817
J 620

58' : 22536+1647
BPM2466

62' : 22574+1827
BPM2468

63' : 22522+1743
GRV 613

64' : 22539+1820
J 619AB

64' : 22579+1827
GWP3216

68' : 22574+1621
GWP3215

70' : 22578+1833
GRV 625

74' : 22595+1825
BPM2471

75' : 22599+1822
BPM2472

79' : 23015+1658
BPMA256

80' : 22563+1607
KPP 11

81' : 22534+1835
CVR 959

83' : 22568+1849
CVR 271

85' : 22519+1822
ITF 206

91' : 22515+1824
ITF 131

94' : 22499+1745
JNN 137AB

95' : 22591+1600
BPM2470

96' : 22563+1902
TDT3799

98' : 23004+1846
GRV 627

98' : 22502+1810
HDS3243

101' : 22557+1547
HU 987

106' : 23022+1832
HDS3279AB



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.

22564+1727 STF 2957 AB (HD 216863)

 
 
22h 56m 23.64s +17° 27' 08.6" P.A. 224.00 sep 4.6 mag 9.20,10.88 Sp K0 dist. 34.15 pc (111.4 l.y.)
 
 
Coord 2000 22564+1727 Discov num STF2957 Comp AB Coord arcsec 2000 22 56 23.64 +17 27 08.6
Date first 1832 Date last 2016 Obs 31
Pa first 227 Pa last 223.5 P.A. Now (θ) 223.5°
Sep first 4.7 Sep last 4.587 Sep. Now (ρ) 4.587"
Mag pri 9.20 Mag sec 10.88 delta mag (ΔM) 1.68 Spectral class K0 (yellow-orange)
Pri motion ra +212 Sec motion ra +218
Pri motion dec -182 Sec motion dec -182
Notes N O (See Notes, Orbital solution)
rPM=0.021 (< 0.3, Physical double)
This double is physical.
 
 
22564+1727 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 216863 108269 22 56 24 +17 27 09 STF 2957 AB 2016 31 224 4.6 9.20 10.88 1.68 Y <===
Show 108269 22 56 24 +17 27 09 STF 2957 AC 2020 6 43 127.9 9.20 13.36 4.16
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 216863 Constellation Pegasus SAO 108269 HIP 113280
Tycho2 1711-01331-1 Gaia DR2 2829322183120727680 HD 216863 GC 31981
ADS 16379 BD BD+16 4838 Distance 34.15 Distance ly 111.4
 
 
ORBITAL ELEMENTS
 
 
Period (P)2068.5238y± 909.7854 Periastron (T)1697.0045y± 425.3372 Semi-major axis (a)9.21287a± 4.4107
Eccentricity (e)0.78625± 0.17772 Inclination (i)91.378°± 1.252 Longitude of periastron (ω)97.335°± 13.096
Node (Ω)47.402°± 4.006 Notesn ReferenceIzm2019
Equinox Last observation2008 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 224.6 4.528
2001 224.6 4.523
2002 224.6 4.517
2003 224.6 4.512
2004 224.6 4.507
2005 224.6 4.502
2006 224.6 4.496
2007 224.6 4.491
2008 224.6 4.485
2009 224.5 4.480
2010 224.5 4.474
2011 224.5 4.469
2012 224.5 4.463
2013 224.5 4.458
2014 224.5 4.452
2015 224.5 4.447
2016 224.5 4.441
2017 224.5 4.435
2018 224.4 4.430
2019 224.4 4.424
2020 224.4 4.418
2021 224.4 4.412
2022 224.4 4.407
2023 224.4 4.401
2024 224.4 4.395
2025 224.4 4.389
2026 224.3 4.383
2027 224.3 4.377
2028 224.3 4.371
2029 224.3 4.365
2030 224.3 4.359


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


 
  


wds22564%2B1727a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 22564+1727 STF 2957 AB (HD 216863) : NOTES
 
 
discov_num notes refcode
STF2957 HIP 113280. See Allen et al. (2000) for information on metallicity, AlC2000
age, galactic orbital parameters, etc.
AB: NLTT 55326/55327 Chm2004
 
 
REFERENCES
 
 
refcode metd author reference
AlC2000 Po - Allen, C., Poveda, A., & Herrera, M 2000A&A...356..529A
AlC2000 A&A 356, 529, 2000
Chm2004 E - Chaname, J. & Gould, A. 2004ApJ...601..289C
Chm2004 ApJ 601, 289, 2004
Chm2004 (Photometry, coordinates, and astrometry from rNLTT. Astrometry from early
Chm2004 versions of 2MASS and UCAC, with date given only as "circa 2000". Measures
Chm2004 identical to discovery observations - predominantly close pairs - were assumed
Chm2004 not new observations, so not included in WDS. Similar concerns when primary and
Chm2004 secondary magnitudes or proper motions were the same.)
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.)
 
 
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
22564+1727 STF2957 AB 2000 23 226 4.5 9.20 10.88 K0 DV 225623.64+172708.6
22564+1727 STF2957 AB 2007 25 225 4.4 9.20 10.88 K0 DV 225623.64+172708.6
22564+1727 STF2957 AB 2008 26 225 4.6 9.20 10.88 K0 DV 225623.64+172708.6
22564+1727 STF2957 AB 2016 28 224 4.6 9.20 10.88 K0 NV 225623.64+172708.6

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

 
 
WDS 22564+1727 STF 2957 AB (HD 216863) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 22564+1727 STF 2957 AB (HD 216863) : MEASURES
 
 
No records found.

 
 
WDS 22564+1727 (HD 216863) : VIRTUAL EYEPIECE
 
 

22564+1727 STF2957A mag 9.2 Sp K0 22564+1727 STF2957B sep 4.5 P.A. 222.20 mag 10.88 22564+1727 STF2957C sep 125.1 P.A. 42.10 mag 13.36 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 22564+1727 (HD 216863) : ALADIN DSS IMAGE @ 22h 56m 23.64s +17° 27' 08.6"
 
 
 
 
WDS 22564+1727 STF 2957 AB (HD 216863) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

22564+1727 STF2957AB distance=1' 22564+1727 STF2957AC distance=1' 22562+1810 UC 4851 distance=43' 22547+1812 J 621AB distance=51' 22547+1812 J 621AC distance=51' 22547+1812 FMR 21BD distance=51' 22575+1817 KPP4295 distance=53' 22546+1817 J 620 distance=56' 22536+1647 BPM2466 distance=58' 22574+1827 BPM2468 distance=62' 22522+1743 GRV 613 distance=63' 22539+1820 J 619AB distance=64' 22539+1820 B 2904AC distance=64' 22579+1827 GWP3216 distance=64' 22574+1621 GWP3215 distance=68' 22578+1833 GRV 625 distance=70' 22595+1825 BPM2471 distance=74' 22599+1822 BPM2472 distance=75' 23015+1658 BPMA256 distance=79' 22563+1607 KPP 11 distance=80' 22534+1835 CVR 959 distance=81' 22568+1849 CVR 271 distance=83' 22519+1822 ITF 206 distance=85' 22515+1824 ITF 131 distance=91' 22499+1745 JNN 137AB distance=94' 22499+1745 GWP3199AC distance=94' 22591+1600 BPM2470 distance=95' 22563+1902 TDT3799 distance=96' 23004+1846 GRV 627 distance=98' 22502+1810 HDS3243 distance=98' 22557+1547 HU 987 distance=101' 23022+1832 HDS3279AB distance=106' 23022+1832 HDS3279Aa,Ab distance=106' 23022+1832 HDS3279AC distance=106' 23024+1837 HU 398 distance=110' 22500+1624 TDT3735 distance=112' 23042+1715 UC 281 distance=112' 22576+1919 HU 397 distance=113' 22596+1913 CVR 963 distance=116' 22541+1921 GRV 617 distance=119' 22596+1537 UC 4856 distance=120' 22511+1901 ITF 132 distance=120' 22538+1530 KPP1800 distance=124' 22475+1713 UC 277 distance=128' 22505+1905 J 210 distance=131' 22474+1749 WSI 93 distance=131' 23043+1622 CVR 970 distance=132' 23000+1526 SKF 991 distance=133' 23032+1558 BPM2474 distance=133' 22545+1517 HEI 193AB distance=134' 22545+1517 LAU 5AB,C distance=134' 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 22564+1727 STF2957 AB 224 4.6 1
Show 22564+1727 STF2957 AC 43 127.9 1
Show 22562+1810 UC 4851 205 68.1 43
Show 22547+1812 J 621 AB 145 2.3 51
Show 22547+1812 J 621 AC 107 15.9 51
Show 22547+1812 FMR 21 BD 23 1.3 51
Show 22575+1817 KPP4295 150 3.6 53
Show 22546+1817 J 620 79 2.3 56
Show 22536+1647 BPM2466 161 105.6 58
Show 22574+1827 BPM2468 184 112.0 62
Show 22522+1743 GRV 613 40 88.1 63
Show 22539+1820 J 619 AB 223 2.3 64
Show 22539+1820 B 2904 AC 81 36.5 64
Show 22579+1827 GWP3216 309 7.5 64
Show 22574+1621 GWP3215 36 26.5 68
Show 22578+1833 GRV 625 81 16.8 70
Show 22595+1825 BPM2471 158 13.0 74
Show 22599+1822 BPM2472 155 11.2 75
Show 23015+1658 BPMA256 332 227.1 79
Show 22563+1607 KPP 11 218 4.8 80
Show 22534+1835 CVR 959 208 12.5 81
Show 22568+1849 CVR 271 167 110.7 83
Show 22519+1822 ITF 206 79 24.7 85
Show 22515+1824 ITF 131 247 5.1 91
Show 22499+1745 JNN 137 AB 10 0.1 94
Show 22499+1745 GWP3199 AC 264 12.8 94
Show 22591+1600 BPM2470 274 88.5 95
Show 22563+1902 TDT3799 129 1.1 96
Show 23004+1846 GRV 627 219 77.6 98
Show 22502+1810 HDS3243 72 0.7 98
Show 22557+1547 HU 987 75 1.2 101
Show 23022+1832 HDS3279 AB 163 1.7 106
Show 23022+1832 HDS3279 Aa,Ab 122 0.2 106
Show 23022+1832 HDS3279 AC 36 0.4 106
Show 23024+1837 HU 398 300 0.5 110
Show 22500+1624 TDT3735 78 1.0 112
Show 23042+1715 UC 281 306 16.2 112
Show 22576+1919 HU 397 263 1.2 113
Show 22596+1913 CVR 963 91 9.1 116
Show 22541+1921 GRV 617 51 65.4 119
Show 22596+1537 UC 4856 259 21.1 120
Show 22511+1901 ITF 132 77 5.1 120
Show 22538+1530 KPP1800 163 13.9 124
Show 22475+1713 UC 277 341 14.9 128
Show 22505+1905 J 210 324 5.3 131
Show 22474+1749 WSI 93 213 0.2 131
Show 23043+1622 CVR 970 183 10.7 132
Show 23000+1526 SKF 991 320 10.3 133
Show 23032+1558 BPM2474 205 26.0 133
Show 22545+1517 HEI 193 AB 211 0.9 134
Show 22545+1517 LAU 5 AB,C 316 22.4 134

 
 
WDS 22564+1727 : COMPONENTS
 
 
  A B
B pa=222.2°
sep=4.49"
 
C pa=42.1°
sep=125.13"
pa=42.1°
sep=129.62"
 
 
22564+1727 A
 
 
Name HD 216863 Coord arcsec 2000 225623.64+172708.6 Mag 9.2 Spectral class K0 (yellow-orange)
PmRA 212.00 PmDE -182.0 SAO 108269 HIP 113280
Tycho2 1711-01331-1 HD 216863 GC 31981 BD BD+16 4838
Tycho2
Tycho2 1711-01331-1 Pflag RAmdeg 344.09850624 DEmdeg 17.45240355
PmRA 215.2 PmDE -180.8 E RAmdeg 12 E DEmdeg 18
E pmRA 1.0 E pmDE 1.0 EpRAm 1990.17 EpDEm 1987.77
Num 8 Q RAmdeg 1.3 Q DEmdeg 1.3 Q pmRA 1.4
Q pmDE 1.3 BTmag 10.284 E BTmag 0.034 VTmag 9.197
E VTmag 0.020 Prox 46 TYC T HIP 113280
CCDM A RAdeg 344.09798917 DEdeg 17.45282722 EpRA 1990 1.75
EpDE 1990 1.56 E RAdeg 12.3 E DEdeg 18.4 Posflg
Corr -0.1
SAO
SAO 108269 DelFlag RA1950 PmRA1950 0.0153
DE1950 PmDE1950 -0.163 Vmag 8.8 SpType K0
Double code Source 70 CatNum 31981 DM BD+16 4838
DMcomp BDsup HD 216863 M HD 0
GC 31981 RA1950rad 5.99484166 DE1950rad 0.29998538 PmRA2000 0.0153
PmDE2000 -0.167
Hipparcos
Catalog H HIP 113280 Proxy H RAhms 22 56 23.51
DEdms +17 27 10.2 Vmag 8.9 VarFlag R Vmag G
RAdeg 344.098 DEdeg 17.4528 AstroRef A Plx 31.07
CCDM 22564+1728 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 225 Rho 4.615 HD 216863 BD BD+16 4838
CD CP Dm number +16 4838 VIred 1.04
SpType K0 R SpType Coord arcsec 2000 225623.51+172710.2
Hipparcos 2
HIP 113280 Sn 15 So 3 Nc 2
RArad 6.0056423757 DErad 0.3046095708 Plx 29.28 PmRA 212.17
PmDE -185.52 E RArad 1.1 E DErad 0.78 E Plx 1.3
E pmRA 1.33 E pmDE 1.26 Hpmag 8.9944 E Hpmag 0.002
SHp 0.017 VA 0 BV 1 E BV 0.015
VI 1.04
 
 
22564+1727 B
 
 
Coord arcsec 2000 225623.43+172705.3 Mag 10.88 PmRA 218.00 PmDE -182.0
Calc delta mag 1.68 Calc coord yes
 
 
22564+1727 C
 
 
Coord arcsec 2000 225629.50+172841.5 Mag 13.36 PmRA 3.00 PmDE 5.0
Calc delta mag 4.16 Calc coord yes