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Current system
23107+2631
BU 852 BC


Nearby doubles
13' : 23098+2638
AZC 126AB

22' : 23103+2652
GRV 643

25' : 23118+2651
BUP 234AB

30' : 23105+2602
TDT3917

32' : 23121+2656
HDS3305AB

34' : 23083+2642
COU 438

35' : 23106+2558
CVR 977

42' : 23128+2701
CLZ 89

52' : 23082+2710
MLB 627

65' : 23146+2555
COU 335

66' : 23083+2533
POU5779

67' : 23124+2530
CRB 220

68' : 23085+2530
POU5781

71' : 23138+2536
UC 284

76' : 23130+2523
TDT3937

77' : 23151+2719
UC 4909

78' : 23085+2520
SLW1301

84' : 23127+2513
CVR 979

86' : 23085+2512
BRT 229

87' : 23112+2759
MLB 503

88' : 23152+2530
POU5796

90' : 23141+2516
POU5791

91' : 23159+2729
HJ 1862

91' : 23124+2505
POU5789

94' : 23170+2556
TDT3964

94' : 23037+2642
TDT3865



Selections
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

23107+2631 BU 852 BC

 
 
23h 10m 38.20s +26° 31' 35.6" P.A. 319.00 sep 1.3 mag 10.50,11.00
 
 
Coord 2000 23107+2631 Discov num BU  852 Comp BC Coord arcsec 2000 23 10 38.20 +26 31 35.6
Date first 1881 Date last 2016 Obs 20
Pa first 11 Pa last 319 P.A. Now (θ) 319°
Sep first 1.2 Sep last 1.29 Sep. Now (ρ) 1.29"
Mag pri 10.50 Mag sec 11.00 delta mag (ΔM) 0.5 Spectral class
Pri motion ra +048 Sec motion ra
Pri motion dec -015 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
23107+2631 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 91061 23 10 42 +26 31 23 HDS 3301 Aa,Ab 2012 7 160 0.8 7.21 10.91 3.70
Show HD 218806 91061 23 10 42 +26 31 23 BU 852 AB 2016 16 283 58.3 7.21 10.71 3.50
Show 23 10 38 +26 31 36 BU 852 BC 2016 20 319 1.3 10.50 11.00 0.50 Y <===
Show 23 10 38 +26 31 36 BU 852 BD 2015 5 220 20.5 10.50 13.70 3.20
Quintuple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Pegasus Gaia DR2 2845192156000462592 ADS 16567
 
 
ORBITAL ELEMENTS
 
 
Period (P)944.658y± 495.9087 Periastron (T)1852.7987y± 17.3864 Semi-major axis (a)5.40623a± 3.43218
Eccentricity (e)0.90861± 0.08544 Inclination (i)98.414°± 6.012 Longitude of periastron (ω)283.374°± 14.446
Node (Ω)22.87°± 6.944 Notes ReferenceIzm2019
Equinox Last observation2015 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 325.3 1.169
2001 324.8 1.167
2002 324.3 1.165
2003 323.8 1.163
2004 323.3 1.162
2005 322.8 1.160
2006 322.3 1.158
2007 321.8 1.157
2008 321.3 1.155
2009 320.8 1.154
2010 320.3 1.153
2011 319.8 1.151
2012 319.2 1.150
2013 318.7 1.149
2014 318.2 1.148
2015 317.7 1.147
2016 317.2 1.146
2017 316.7 1.145
2018 316.1 1.145
2019 315.6 1.144
2020 315.1 1.143
2021 314.6 1.143
2022 314.0 1.142
2023 313.5 1.142
2024 313.0 1.142
2025 312.5 1.141
2026 312.0 1.141
2027 311.4 1.141
2028 310.9 1.141
2029 310.4 1.141
2030 309.9 1.141


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


 
  


wds23107%2B2631a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 23107+2631 BU 852 BC : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
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 BU Burnham, S.W. (BU 1 - 81)
179 HDS Hipparcos Double Star (from additional DD list)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
23107+2631 BU 852 BC 1996 15 328 1.3 10.50 11.00 231038.20+263135.6
23107+2631 BU 852 BC 2009 17 322 1.2 10.50 11.00 231038.20+263135.6
23107+2631 BU 852 BC 2016 19 319 1.3 10.50 11.00 O 231038.20+263135.6

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

 
 
WDS 23107+2631 BU 852 BC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 23107+2631 BU 852 BC : MEASURES
 
 
No records found.

 
 
WDS 23107+2631 : VIRTUAL EYEPIECE
 
 

23107+2631 BU 852A mag 7.21 Sp A7IV 23107+2631 HDS3301Ab sep 0.8 P.A. 161.80 mag 10.91 23107+2631 BU 852B sep 57.8 P.A. 282.60 mag 10.5 23107+2631 BU 852C sep 58.7 P.A. 283.40 mag 11 23107+2631 BU 852D sep 68.2 P.A. 267.40 mag 13.7 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 23107+2631 : ALADIN DSS IMAGE @ 23h 10m 38.20s +26° 31' 35.6"
 
 
 
 
WDS 23107+2631 BU 852 BC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

23107+2631 BU 852BC distance=0' 23107+2631 HDS3301Aa,Ab distance=1' 23107+2631 BU 852AB distance=1' 23098+2638 AZC 126AB distance=13' 23103+2652 GRV 643 distance=22' 23118+2651 BUP 234AB distance=25' 23118+2651 STT 598AC distance=25' 23105+2602 TDT3917 distance=30' 23121+2656 HDS3305AB distance=32' 23121+2656 LEP 113AC distance=32' 23083+2642 COU 438 distance=34' 23106+2558 CVR 977 distance=35' 23128+2701 CLZ 89 distance=42' 23082+2710 MLB 627 distance=52' 23146+2555 COU 335 distance=65' 23083+2533 POU5779 distance=66' 23124+2530 CRB 220 distance=67' 23085+2530 POU5781 distance=68' 23138+2536 UC 284 distance=71' 23130+2523 TDT3937 distance=76' 23151+2719 UC 4909 distance=77' 23085+2520 SLW1301 distance=78' 23127+2513 CVR 979 distance=84' 23085+2512 BRT 229 distance=86' 23112+2759 MLB 503 distance=87' 23152+2530 POU5796 distance=88' 23141+2516 POU5791 distance=90' 23159+2729 HJ 1862 distance=91' 23124+2505 POU5789 distance=91' 23170+2556 TDT3964 distance=94' 23037+2642 TDT3865 distance=94' 23100+2457 POU5784 distance=96' 23040+2549 LDS5041 distance=100' 23058+2512 POU5777 distance=104' 23176+2726 TDT3969 distance=108' 23028+2607 LDS5039 distance=109' 23093+2441 SLW1302 distance=112' 23095+2440 SLW1303 distance=113' 23104+2439 POU5785 distance=113' 23177+2744 LDS5066AB distance=119' 23177+2744 LDS5066AC distance=119' 23177+2744 LDS5066BC distance=119' 23148+2447 J 624 distance=120' 23039+2512 COU 142 distance=121' 23149+2445 CVR 983 distance=121' 23036+2750 AZC 124 distance=123' 23143+2439 POU5792 distance=124' 23113+2429 POU5786 distance=124' 23067+2826 WIS 375 distance=126' 23200+2612 COU 336 distance=128' 23199+2703 KPP2130 distance=128' 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 23107+2631 BU 852 BC 319 1.3
Show 23107+2631 BU 852 BD 220 20.5
Show 23107+2631 HDS3301 Aa,Ab 160 0.8 1
Show 23107+2631 BU 852 AB 283 58.3 1
Show 23098+2638 AZC 126 AB 243 28.0 13
Show 23103+2652 GRV 643 175 11.6 22
Show 23118+2651 BUP 234 AB 239 64.3 25
Show 23118+2651 STT 598 AC 299 217.7 25
Show 23105+2602 TDT3917 160 1.2 30
Show 23121+2656 HDS3305 AB 175 1.3 32
Show 23121+2656 LEP 113 AC 328 14.5 32
Show 23083+2642 COU 438 65 0.8 34
Show 23106+2558 CVR 977 1 7.3 35
Show 23128+2701 CLZ 89 109 53.5 42
Show 23082+2710 MLB 627 250 6.7 52
Show 23146+2555 COU 335 347 0.4 65
Show 23083+2533 POU5779 110 6.8 66
Show 23124+2530 CRB 220 166 27.7 67
Show 23085+2530 POU5781 68 15.4 68
Show 23138+2536 UC 284 139 49.4 71
Show 23130+2523 TDT3937 47 0.8 76
Show 23151+2719 UC 4909 153 57.5 77
Show 23085+2520 SLW1301 282 18.0 78
Show 23127+2513 CVR 979 39 8.4 84
Show 23085+2512 BRT 229 69 5.7 86
Show 23112+2759 MLB 503 156 7.9 87
Show 23152+2530 POU5796 6 19.1 88
Show 23141+2516 POU5791 147 11.0 90
Show 23159+2729 HJ 1862 233 17.4 91
Show 23124+2505 POU5789 348 15.4 91
Show 23170+2556 TDT3964 114 0.6 94
Show 23037+2642 TDT3865 148 0.9 94
Show 23100+2457 POU5784 217 10.2 96
Show 23040+2549 LDS5041 95 3.0 100
Show 23058+2512 POU5777 30 14.7 104
Show 23176+2726 TDT3969 147 0.6 108
Show 23028+2607 LDS5039 69 165.5 109
Show 23093+2441 SLW1302 332 58.1 112
Show 23095+2440 SLW1303 350 23.4 113
Show 23104+2439 POU5785 134 10.7 113
Show 23177+2744 LDS5066 AB 139 76.2 119
Show 23177+2744 LDS5066 AC 146 79.1 119
Show 23177+2744 LDS5066 BC 212 9.0 119
Show 23148+2447 J 624 16 2.8 120
Show 23039+2512 COU 142 189 0.5 121
Show 23149+2445 CVR 983 37 7.9 121
Show 23036+2750 AZC 124 305 10.5 123
Show 23143+2439 POU5792 201 17.5 124
Show 23113+2429 POU5786 61 7.6 124
Show 23067+2826 WIS 375 253 17.6 126
Show 23200+2612 COU 336 359 1.6 128

 
 
WDS 23107+2631 : COMPONENTS
 
 
  A Ab B C
Ab pa=161.8°
sep=0.76"
 
B pa=282.6°
sep=57.76"
pa=283.2°
sep=58.15"
 
C pa=283.4°
sep=58.72"
pa=284.0°
sep=59.12"
pa=322.1°
sep=1.23"
 
D pa=267.4°
sep=68.24"
pa=268.0°
sep=68.45"
pa=216.9°
sep=19.65"
pa=213.5°
sep=20.01"
 
 
23107+2631 A
 
 
Name HD 218806 Coord arcsec 2000 231042.40+263123.0 Mag 7.21 Spectral class A7IV (white)
PmRA 48.00 PmDE -13.0 SAO 91061 HIP 114448
Tycho2 2244-01395-1 HD 218806 BD BD+25 4890
Tycho2
Tycho2 2244-01395-1 Pflag RAmdeg 347.67677536 DEmdeg 26.52304091
PmRA 46.8 PmDE -10.1 E RAmdeg 4 E DEmdeg 4
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.46 EpDEm 1991.50
Num 10 Q RAmdeg 0.8 Q DEmdeg 0.8 Q pmRA 0.7
Q pmDE 0.7 BTmag 7.361 E BTmag 0.015 VTmag 7.139
E VTmag 0.010 Prox 999 TYC T HIP 114448
CCDM AE RAdeg 347.67665444 DEdeg 26.52306417 EpRA 1990 1.69
EpDE 1990 1.73 E RAdeg 4.1 E DEdeg 4.1 Posflg P
Corr -0.3
SAO
SAO 91061 DelFlag RA1950 PmRA1950 0.0024
DE1950 PmDE1950 -0.004 Vmag 7.2 SpType A2
Double code Source 34 CatNum 13933 DM BD+25 4890
DMcomp BDsup HD 218806 M HD 0
GC RA1950rad 6.05743351 DE1950rad 0.45817754 PmRA2000 0.0024
PmDE2000 -0.009
Hipparcos
Catalog H HIP 114448 Proxy H RAhms 23 10 42.40
DEdms +26 31 23.0 Vmag 7.11 VarFlag R Vmag H
RAdeg 347.677 DEdeg 26.5231 AstroRef A Plx 11.45
CCDM 23107+2631 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AE
Theta 152 Rho 0.783 HD 218806 BD BD+25 4890
CD CP Dm number +25 4890 VIred 0.21
SpType A2 R SpType Coord arcsec 2000 231042.40+263123.0
Hipparcos 2
HIP 114448 Sn 15 So 3 Nc 2
RArad 6.0681022632 DErad 0.4629148559 Plx 11.72 PmRA 48.34
PmDE -13.3 E RArad 0.46 E DErad 0.5 E Plx 0.68
E pmRA 0.48 E pmDE 0.53 Hpmag 7.1702 E Hpmag 0.0009
SHp 0.008 VA 0 BV 0.204 E BV 0.008
VI 0.22
CCDM
Ccdm 23107+2631 RComp Comp A Note1
Note2 Discov num DRAs 0.43 DDEs 22.9
R dRAs 82 Year Theta Rho
Obs 5 Vmag 7.2 Sp A2 PmNote *
PmRA 48 PmDE -13 Dm number +25 4890 Cat1 BD
Name2 +26 2753 Cat2 AGK2/3 HD 218806 M HD
ADS BDS A16567 M ADS BDS N IDS IDS 23058N2558A
HIC 114448
 
 
23107+2631 Ab
 
 
Coord arcsec 2000 231042.42+263122.3 Mag 10.91 Calc delta mag 3.7 Calc coord yes
 
 
23107+2631 B
 
 
Coord arcsec 2000 231038.20+263135.6 Coord calc 231038.20+263135.6 Mag 10.5 PmRA 48.00
PmDE -15.0 Calc delta mag 3.29
CCDM
Ccdm 23107+2631 RComp Comp B Note1
Note2 Discov num BU 852 DRAs -3.82 DDEs 36.0
R dRAs 65 Year 1881 Theta 283 Rho 58.5
Obs 6 Vmag 10.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A16567 M ADS BDS N IDS IDS 23058N2558B
HIC
 
 
23107+2631 C
 
 
Coord arcsec 2000 231038.14+263136.6 Mag 11 Calc delta mag 3.79 Calc coord yes
CCDM
Ccdm 23107+2631 RComp B Comp C Note1
Note2 Discov num BU 852 DRAs DDEs
R dRAs Year 1954 Theta 347 Rho 1.2
Obs 9 Vmag 11.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A16567 M ADS BDS N IDS IDS 23058N2558C
HIC
 
 
23107+2631 D
 
 
Coord arcsec 2000 231037.32+263119.9 Mag 13.7 Calc delta mag 6.49 Calc coord yes
CCDM
Ccdm 23107+2631 RComp B Comp D Note1
Note2 Discov num BU 852 DRAs -4.74 DDEs 20.6
R dRAs 65 Year 1914 Theta 210 Rho 19.3
Obs 2 Vmag 14.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A16567 M ADS BDS N IDS IDS 23058N2558D
HIC