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Current system
23319+7317
A 897


Nearby doubles
4' : 23327+7313
COU 18AB

20' : 23289+7329
LDS2044

33' : 23262+7336
LDS2041AB

34' : 23365+7250
CRB 216

36' : 23385+7338
A 898AB

45' : 23306+7232
TDT4076

54' : 23277+7406
STF3017AB

63' : 23204+7240
MLR 272

65' : 23367+7418
LDS2048

65' : 23179+7341
KPP4312

65' : 23197+7355
HJ 1870

66' : 23412+7409
HJ 1905AB

76' : 23457+7405
HJ 3212

76' : 23245+7209
LDS2039

78' : 23411+7424
LDS2050

81' : 23132+7307
LDS2028

82' : 23380+7434
KPP 796

92' : 23209+7436
SKF2746

99' : 23374+7142
STF3029

101' : 23225+7145
WFC 241

105' : 23270+7135
TDT4039

113' : 23133+7439
LDS2029AB

114' : 23395+7129
LDS2049

118' : 23349+7120
TDS1215

120' : 23438+7129
MLR 277

122' : 23153+7458
LDS2031



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

23319+7317 A 897

 
 
23h 31m 51.93s +73° 16' 48.4" P.A. 331.00 sep 0.2 mag 9.61,10.69 Sp F8 dist. 225.73 pc (736.33 l.y.)
 
 
Coord 2000 23319+7317 Discov num A   897 Comp Coord arcsec 2000 23 31 51.93 +73 16 48.4
Date first 1904 Date last 2007 Obs 13
Pa first 115 Pa last 331.4 P.A. Now (θ) 331.4°
Sep first 0.4 Sep last 0.178 Sep. Now (ρ) 0.178"
Mag pri 9.61 Mag sec 10.69 delta mag (ΔM) 1.08 Spectral class F8 (yellow-white)
Pri motion ra +046 Sec motion ra
Pri motion dec +010 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cepheus HIP 116133 Tycho2 4490-00364-1 Gaia DR2 2228815553901076992
ADS 16820 BD BD+72 1107 Distance 225.73 Distance ly 736.33
 
 
ORBITAL ELEMENTS
 
 
Period (P)283y Periastron (T)2054y Semi-major axis (a)0.397a
Eccentricity (e)0.37 Inclination (i)113° Longitude of periastron (ω)222°
Node (Ω)133° Notes ReferenceHei1997
Equinox2000 Last observation Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 359.4 0.201
2001 357.7 0.203
2002 355.9 0.206
2003 354.2 0.209
2004 352.6 0.213
2005 351.0 0.216
2006 349.5 0.219
2007 348.0 0.222
2008 346.5 0.225
2009 345.1 0.229
2010 343.7 0.232
2011 342.4 0.235
2012 341.1 0.238
2013 339.8 0.241
2014 338.6 0.245
2015 337.4 0.248
2016 336.2 0.251
2017 335.1 0.253
2018 334.0 0.256
2019 332.9 0.259
2020 331.8 0.261
2021 330.7 0.264
2022 329.7 0.266
2023 328.7 0.268
2024 327.7 0.270
2025 326.7 0.272
2026 325.7 0.273
2027 324.7 0.274
2028 323.8 0.275
2029 322.8 0.276
2030 321.8 0.277


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


 
  


wds23319%2B7317a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 23319+7317 A 897 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Hei1997 orb - Heintz, W.D. 1997ApJS..111..335H
Hei1997 ApJS 111, 335, 1997
 
 
DISCOVERER
 
 
idgroup discov author
1 A Aitken, R.G.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
23319+7317 A 897 1995 12 8 0.2 9.61 10.69 F8 O 233151.93+731648.4
23319+7317 A 897 2007 13 331 0.2 9.61 10.69 F8 O 233151.93+731648.4

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

 
 
WDS 23319+7317 A 897 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 23319+7317 A 897 : MEASURES
 
 
No records found.

 
 
WDS 23319+7317 : VIRTUAL EYEPIECE
 
 

23319+7317 A 897A mag 9.61 Sp F8 23319+7317 A 897B sep 0.2 P.A. 351.10 mag 10.69 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 23319+7317 : ALADIN DSS IMAGE @ 23h 31m 51.93s +73° 16' 48.4"
 
 
 
 
WDS 23319+7317 A 897 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

23319+7317 A 897 distance=0' 23327+7313 COU 18AB distance=4' 23327+7313 COU 18AC distance=4' 23289+7329 LDS2044 distance=20' 23262+7336 LDS2041AB distance=33' 23365+7250 CRB 216 distance=34' 23385+7338 A 898CD distance=35' 23385+7338 A 898AB distance=36' 23306+7232 TDT4076 distance=45' 23277+7406 STF3017AB distance=54' 23277+7406 STF3017AC distance=54' 23204+7240 MLR 272 distance=63' 23367+7418 LDS2048 distance=65' 23179+7341 KPP4312 distance=65' 23197+7355 HJ 1870 distance=65' 23412+7409 HJ 1905BC distance=66' 23412+7409 HJ 1905AB distance=66' 23457+7405 HJ 3212 distance=76' 23245+7209 LDS2039 distance=76' 23411+7424 LDS2050 distance=78' 23132+7307 LDS2028 distance=81' 23380+7434 KPP 796 distance=82' 23209+7436 SKF2746 distance=92' 23374+7142 STF3029 distance=99' 23225+7145 WFC 241 distance=101' 23270+7135 TDT4039 distance=105' 23133+7439 LDS2029AB distance=113' 23133+7439 LDS2029AC distance=113' 23395+7129 LDS2049 distance=114' 23349+7120 TDS1215 distance=118' 23438+7129 MLR 277 distance=120' 23153+7458 LDS2031 distance=122' 23234+7121 TDT4013 distance=123' 23444+7127 UC 296 distance=124' 23485+7135 TDT4206 distance=127' 23353+7108 TDT4112 distance=130' 23138+7132 LDS2030 distance=134' 23485+7119 HJ 3217 distance=141' 23508+7124 HJ 3221 distance=142' 23219+7547 LDS2037 distance=156' 23444+7051 MLB 439 distance=158' 23262+7041 BU 386AB distance=158' 23262+7041 BU 386AC distance=158' 23384+7038 BU 856 distance=163' 23128+7601 TDT3936 distance=181' 23275+7618 WFC 242 distance=182' 23188+7025 HDS3320 distance=183' 23385+7017 TDT4135 distance=183' 23126+7038 MLB 438 distance=184' 23484+7030 MLB 440 distance=184' 23185+7014 LDS2034 distance=193' 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 23319+7317 A 897 331 0.2
Show 23327+7313 COU 18 AB 186 4.5 4
Show 23327+7313 COU 18 AC 79 17.8 4
Show 23289+7329 LDS2044 216 9.7 20
Show 23262+7336 LDS2041 AB 25 45.5 33
Show 23365+7250 CRB 216 183 12.3 34
Show 23385+7338 A 898 CD 239 3.2 35
Show 23385+7338 A 898 AB 137 1.8 36
Show 23306+7232 TDT4076 139 0.7 45
Show 23277+7406 STF3017 AB 19 1.2 54
Show 23277+7406 STF3017 AC 145 87.5 54
Show 23204+7240 MLR 272 234 0.7 63
Show 23367+7418 LDS2048 356 7.1 65
Show 23179+7341 KPP4312 71 4.0 65
Show 23197+7355 HJ 1870 306 15.6 65
Show 23412+7409 HJ 1905 BC 145 16.1 66
Show 23412+7409 HJ 1905 AB 146 19.6 66
Show 23457+7405 HJ 3212 32 28.4 76
Show 23245+7209 LDS2039 272 8.0 76
Show 23411+7424 LDS2050 147 21.9 78
Show 23132+7307 LDS2028 37 2.0 81
Show 23380+7434 KPP 796 220 6.8 82
Show 23209+7436 SKF2746 333 32.0 92
Show 23374+7142 STF3029 316 5.0 99
Show 23225+7145 WFC 241 273 5.3 101
Show 23270+7135 TDT4039 147 0.5 105
Show 23133+7439 LDS2029 AB 273 149.9 113
Show 23133+7439 LDS2029 AC 52 39.3 113
Show 23395+7129 LDS2049 230 9.2 114
Show 23349+7120 TDS1215 179 1.5 118
Show 23438+7129 MLR 277 53 2.4 120
Show 23153+7458 LDS2031 103 26.7 122
Show 23234+7121 TDT4013 165 1.6 123
Show 23444+7127 UC 296 47 36.1 124
Show 23485+7135 TDT4206 62 0.6 127
Show 23353+7108 TDT4112 270 0.5 130
Show 23138+7132 LDS2030 93 2.7 134
Show 23485+7119 HJ 3217 270 17.5 141
Show 23508+7124 HJ 3221 197 22.1 142
Show 23219+7547 LDS2037 322 39.3 156
Show 23444+7051 MLB 439 231 3.6 158
Show 23262+7041 BU 386 AB 313 19.7 158
Show 23262+7041 BU 386 AC 205 51.0 158
Show 23384+7038 BU 856 300 0.8 163
Show 23128+7601 TDT3936 202 2.4 181
Show 23275+7618 WFC 242 13 3.9 182
Show 23188+7025 HDS3320 307 1.0 183
Show 23385+7017 TDT4135 136 2.2 183
Show 23126+7038 MLB 438 44 2.8 184
Show 23484+7030 MLB 440 80 3.0 184
Show 23185+7014 LDS2034 209 4.0 193

 
 
WDS 23319+7317 : COMPONENTS
 
 
  A
B pa=351.1°
sep=0.16"
 
 
23319+7317 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 233151.93+731648.4 Mag 9.61 Spectral class F8 (yellow-white)
PmRA 46.00 PmDE 10.0 HIP 116133 Tycho2 4490-00364-1
BD BD+72 1107
Tycho2
Tycho2 4490-00364-1 Pflag RAmdeg 352.96668868 DEmdeg 73.28010962
PmRA 40.4 PmDE -2.4 E RAmdeg 10 E DEmdeg 10
E pmRA 1.4 E pmDE 1.4 EpRAm 1991.01 EpDEm 1991.02
Num 6 Q RAmdeg 2.1 Q DEmdeg 1.9 Q pmRA 2.1
Q pmDE 1.9 BTmag 9.770 E BTmag 0.021 VTmag 9.204
E VTmag 0.016 Prox 611 TYC T HIP 116133
CCDM AS RAdeg 352.96636278 DEdeg 73.28011528 EpRA 1990 1.64
EpDE 1990 1.67 E RAdeg 9.7 E DEdeg 10.2 Posflg P
Corr 0.0
Hipparcos
Catalog H HIP 116133 Proxy H RAhms 23 31 51.93
DEdms +73 16 48.4 Vmag 9.15 VarFlag R Vmag H
RAdeg 352.966 DEdeg 73.2801 AstroRef * Plx 4.25
CCDM 23319+7317 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source S Qual A M HIP AS
Theta 25 Rho 0.152 HD BD BD+72 1107
CD CP Dm number +72 1107 VIred 0.83
SpType F8 R SpType Coord arcsec 2000 233151.93+731648.4
Hipparcos 2
HIP 116133 Sn 55 So 3 Nc 2
RArad 6.1604250468 DErad 1.2789792876 Plx 4.43 PmRA 39.48
PmDE -0.42 E RArad 0.8 E DErad 0.76 E Plx 0.96
E pmRA 1.05 E pmDE 0.82 Hpmag 9.2677 E Hpmag 0.0018
SHp 0.018 VA 0 BV 0.52 E BV 0.024
VI 0.59
CCDM
Ccdm 23319+7317 RComp Comp A Note1
Note2 Discov num DRAs -2.09 DDEs -11.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.4 Sp F8 PmNote *
PmRA 35 PmDE 4 Dm number +72 1107 Cat1 BD
Name2 +73 624 Cat2 AGK2/3 HD M HD
ADS BDS A16820 M ADS BDS N IDS IDS 23277N7244A
HIC 116133
 
 
23319+7317 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 233151.92+731648.6 Mag 10.69 Calc delta mag 1.08
Calc coord yes
CCDM
Ccdm 23319+7317 RComp Comp B Note1
Note2 Discov num A 897 DRAs DDEs
R dRAs Year 1958 Theta 094 Rho 0.2
Obs 6 Vmag 10.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A16820 M ADS BDS N IDS IDS 23277N7244B
HIC 116133