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Doubles in session


Current system
20302+2651
WOR 9 AB
HD 340345


Nearby doubles
11' : 20307+2657
OPI 25AB

15' : 20293+2700
TDT2319AB

16' : 20291+2700
DOO 86

18' : 20290+2658
A 394

21' : 20307+2710
TDT2332

25' : 20310+2629
STF2692AB

28' : 20299+2624
S 750

33' : 20324+2703
DAM 328

37' : 20328+2700
DAM 329

38' : 20298+2613
BKO 585

39' : 20281+2624
TOI3569

40' : 20294+2729
KPP1957

42' : 20298+2610
HJ 1520

43' : 20332+2657
COU1170

43' : 20292+2731
HJ 1519

44' : 20284+2728
COU 725

46' : 20268+2657
J 3086

49' : 20288+2735
TDS1076

49' : 20338+2653
DAM 331

49' : 20337+2701
DAM 330

50' : 20337+2659
HJ 1536AB

51' : 20324+2731
FOX 93

53' : 20332+2616
RAO 438

56' : 20333+2727
HDS2935

56' : 20343+2659
SMH 11

57' : 20280+2739
BRT 48



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.

20302+2651 WOR 9 AB (HD 340345)

 
 
20h 30m 10.63s +26° 50' 33.7" P.A. 225.00 sep 0.5 mag 10.50,10.63 Sp M1V dist. 23.82 pc (77.7 l.y.)
 
 
Coord 2000 20302+2651 Discov num WOR   9 Comp AB Coord arcsec 2000 20 30 10.63 +26 50 33.7
Date first 1959 Date last 2017 Obs 56
Pa first 334 Pa last 225.3 P.A. Now (θ) 225.3°
Sep first 1.3 Sep last 0.45 Sep. Now (ρ) 0.45"
Mag pri 10.50 Mag sec 10.63 delta mag (ΔM) 0.13 Spectral class M1V (red)
Pri motion ra -163 Sec motion ra -146
Pri motion dec -130 Sec motion dec -142
Notes N O (See Notes, Orbital solution)
rPM=0.1 (< 0.3, Physical double)
This double is physical.
 
 
20302+2651 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 340345 20 30 11 +26 50 34 WOR 9 AB 2017 56 225 0.5 10.50 10.63 0.13 Y <===
Show 20 30 11 +26 50 34 BUP 213 AC 2017 20 318 9.7 10.50 12.67 2.17
Show 20 30 11 +26 50 34 BUP 213 AD 2015 19 281 93.0 10.50 11.00 0.50
Show 20 30 11 +26 50 34 BUP 213 AE 2015 9 93 999.9 10.50 10.18 0.32
Show 20 30 11 +26 50 34 LMP 45 AF 2015 10 252 43.7 10.50 13.10 2.60
Sextuple system
6 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 340345 Constellation Vulpecula HIP 101150 Tycho2 2164-00070-1
Gaia DR2 1856712201709083136 HD 340345 BD BD+26 3915 Distance 23.82
Distance ly 77.7
 
 
ORBITAL ELEMENTS
 
 
Period (P)210.09y Periastron (T)1937.47y Semi-major axis (a)1.421a
Eccentricity (e)0.15 Inclination (i)108° Longitude of periastron (ω)130.8°
Node (Ω)154.3° Notesn ReferenceZir2003
Equinox2000 Last observation1996 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 288.4 0.623
2001 285.6 0.602
2002 282.6 0.582
2003 279.3 0.563
2004 275.9 0.546
2005 272.2 0.531
2006 268.4 0.517
2007 264.3 0.506
2008 260.1 0.496
2009 255.8 0.490
2010 251.3 0.485
2011 246.8 0.484
2012 242.3 0.485
2013 237.8 0.489
2014 233.5 0.495
2015 229.2 0.504
2016 225.2 0.515
2017 221.3 0.529
2018 217.6 0.544
2019 214.1 0.561
2020 210.9 0.580
2021 207.8 0.600
2022 205.0 0.621
2023 202.4 0.643
2024 199.9 0.666
2025 197.6 0.690
2026 195.5 0.715
2027 193.5 0.740
2028 191.6 0.765
2029 189.8 0.791
2030 188.2 0.817


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


 
  


wds20302%2B2651a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 20302+2651 WOR 9 AB (HD 340345) : NOTES
 
 
discov_num notes refcode
BUP 213 AE: Distance 1324.4".
 
 
REFERENCES
 
 
refcode metd author reference
Zir2003 orb - Zirm, H. 2003IAUDS.151....1Z
Zir2003 Inf. Circ. 151, 1, 2003
 
 
DISCOVERER
 
 
idgroup discov author
1 BUP Burnham proper motion stars (see Burnham, Carnegie Inst. Wash. #168, 1913)
1 LMP Lampens, P. & Strigachev, A.
21 WOR Worley, C.E.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20302+2651 WOR 9 AB 1996 34 297 0.7 10.50 10.63 OD 203010.77+265035.2
20302+2651 WOR 9 AB 2006 35 268 0.5 10.50 10.63 OD 203010.77+265035.2
20302+2651 WOR 9 AB 2008 36 261 0.5 10.50 10.63 OD 203010.77+265035.2
20302+2651 WOR 9 AB 2009 37 256 0.5 10.50 10.63 NOD 203010.77+265035.2
20302+2651 WOR 9 AB 2016 40 230 0.6 10.50 10.63 M1V NO 203010.63+265033.7
20302+2651 WOR 9 AB 2017 46 225 0.5 10.50 10.63 M1V NO 203010.63+265033.7

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

 
 
WDS 20302+2651 WOR 9 AB (HD 340345) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20302+2651 WOR 9 AB (HD 340345) : MEASURES
 
 
No records found.

 
 
WDS 20302+2651 (HD 340345) : VIRTUAL EYEPIECE
 
 

20302+2651 WOR 9A mag 10.5 Sp M1V 20302+2651 WOR 9B sep 0.4 P.A. 222.00 mag 10.63 20302+2651 BUP 213C sep 9.3 P.A. 321.10 mag 12.67 20302+2651 BUP 213D sep 83.4 P.A. 282.30 mag 11 20302+2651 BUP 213E sep 1197.1 P.A. 93.50 mag 10.18 Sp G5 20302+2651 LMP 45F sep 39.5 P.A. 250.00 mag 13.1 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 20302+2651 (HD 340345) : ALADIN DSS IMAGE @ 20h 30m 10.63s +26° 50' 33.7"
 
 
 
 
WDS 20302+2651 WOR 9 AB (HD 340345) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20302+2651 WOR 9AB distance=0' 20307+2657 OPI 25AB distance=11' 20307+2657 OPI 25AC distance=11' 20307+2657 OPI 25AD distance=11' 20293+2700 DOO 93AC distance=15' 20293+2700 TDT2319AB distance=15' 20291+2700 DOO 86 distance=16' 20290+2658 A 394 distance=18' 20307+2710 TDT2332 distance=21' 20310+2629 STF2692AB distance=25' 20310+2629 STF2692AC distance=25' 20310+2629 FYM 62AD distance=25' 20299+2624 S 750 distance=28' 20324+2703 DAM 328 distance=33' 20328+2700 DAM 329 distance=37' 20298+2613 BKO 585 distance=38' 20281+2624 TOI3569 distance=39' 20294+2729 KPP1957 distance=40' 20298+2610 HJ 1520 distance=42' 20332+2657 COU1170 distance=43' 20292+2731 HJ 1519 distance=43' 20284+2728 COU 725 distance=44' 20268+2657 J 3086 distance=46' 20288+2735 TDS1076 distance=49' 20338+2653 DAM 331 distance=49' 20337+2701 DAM 330 distance=49' 20337+2659 HJ 1536AB distance=50' 20337+2659 SMH 10AC distance=50' 20324+2731 FOX 93 distance=51' 20332+2616 RAO 438 distance=53' 20333+2727 HDS2935 distance=56' 20343+2659 SMH 11 distance=56' 20280+2739 BRT 48 distance=57' 20275+2735 BVD 164 distance=57' 20298+2556 J 1882 distance=58' 20269+2731 RAO 432 distance=60' 20256+2642 BU 1488BC distance=61' 20256+2642 BU 1488AB distance=62' 20253+2651 BUP 210AB distance=66' 20253+2651 BUP 210AD distance=66' 20253+2651 BUP 210AE distance=66' 20253+2651 BUP 210BC distance=67' 20320+2548 STF2695 distance=67' 20258+2726 TDT2265 distance=68' 20256+2723 J 2310AB distance=70' 20256+2723 J 2310AC distance=70' 20256+2723 J 2310BC distance=70' 20284+2800 TDT2311 distance=74' 20254+2727 J 509 distance=74' 20249+2618 J 558 distance=77' 20276+2803 AG 405 distance=81' 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 20302+2651 WOR 9 AB 225 0.5
Show 20302+2651 BUP 213 AC 318 9.7
Show 20302+2651 BUP 213 AD 281 93.0
Show 20302+2651 BUP 213 AE 93 999.9
Show 20302+2651 LMP 45 AF 252 43.7
Show 20307+2657 OPI 25 AB 29 14.0 11
Show 20307+2657 OPI 25 AC 324 27.0 11
Show 20307+2657 OPI 25 AD 357 103.7 11
Show 20293+2700 DOO 93 AC 227 27.4 15
Show 20293+2700 TDT2319 AB 344 2.1 15
Show 20291+2700 DOO 86 210 18.7 16
Show 20290+2658 A 394 286 0.7 18
Show 20307+2710 TDT2332 169 0.7 21
Show 20310+2629 STF2692 AB 163 10.1 25
Show 20310+2629 STF2692 AC 301 25.8 25
Show 20310+2629 FYM 62 AD 57 28.0 25
Show 20299+2624 S 750 320 68.3 28
Show 20324+2703 DAM 328 76 12.4 33
Show 20328+2700 DAM 329 237 8.5 37
Show 20298+2613 BKO 585 30 2.7 38
Show 20281+2624 TOI3569 236 0.3 39
Show 20294+2729 KPP1957 36 15.5 40
Show 20298+2610 HJ 1520 326 19.2 42
Show 20332+2657 COU1170 291 4.1 43
Show 20292+2731 HJ 1519 234 15.6 43
Show 20284+2728 COU 725 59 0.5 44
Show 20268+2657 J 3086 17 3.7 46
Show 20288+2735 TDS1076 293 1.0 49
Show 20338+2653 DAM 331 122 4.3 49
Show 20337+2701 DAM 330 143 10.8 49
Show 20337+2659 HJ 1536 AB 99 16.3 50
Show 20337+2659 SMH 10 AC 127 15.0 50
Show 20324+2731 FOX 93 184 1.4 51
Show 20332+2616 RAO 438 288 0.7 53
Show 20333+2727 HDS2935 113 0.5 56
Show 20343+2659 SMH 11 80 15.9 56
Show 20280+2739 BRT 48 265 4.2 57
Show 20275+2735 BVD 164 350 2.9 57
Show 20298+2556 J 1882 115 10.1 58
Show 20269+2731 RAO 432 336 0.2 60
Show 20256+2642 BU 1488 BC 357 2.6 61
Show 20256+2642 BU 1488 AB 73 74.2 62
Show 20253+2651 BUP 210 AB 232 68.9 66
Show 20253+2651 BUP 210 AD 94 934.4 66
Show 20253+2651 BUP 210 AE 70 448.6 66
Show 20253+2651 BUP 210 BC 232 163.1 67
Show 20320+2548 STF2695 257 0.3 67
Show 20258+2726 TDT2265 264 2.5 68
Show 20256+2723 J 2310 AB 323 33.5 70
Show 20256+2723 J 2310 AC 328 38.0 70
Show 20256+2723 J 2310 BC 357 5.3 70

 
 
WDS 20302+2651 : COMPONENTS
 
 
  A B C D E
B pa=222.0°
sep=0.43"
 
C pa=321.1°
sep=9.28"
pa=323.7°
sep=9.36"
 
D pa=282.3°
sep=83.39"
pa=282.5°
sep=83.18"
pa=277.9°
sep=76.38"
 
E pa=93.5°
sep=1197.11"
pa=93.5°
sep=1197.38"
pa=93.8°
sep=1203.38"
pa=94.0°
sep=1279.56"
 
F pa=250.0°
sep=39.46"
pa=250.3°
sep=39.08"
pa=236.4°
sep=37.50"
pa=125.1°
sep=54.30"
pa=272.7°
sep=1233.43"
 
 
20302+2651 A
 
 
Name HD 340345 Coord arcsec 2000 203010.63+265033.7 Mag 10.5 Spectral class M1V (red)
PmRA -163.00 PmDE -130.0 HIP 101150 Tycho2 2164-00070-1
HD 340345 BD BD+26 3915
Tycho2
Tycho2 2164-00070-1 Pflag P RAmdeg 307.54442056 DEmdeg 26.84280525
PmRA -145.9 PmDE -141.9 E RAmdeg 43 E DEmdeg 41
E pmRA 2.7 E pmDE 2.7 EpRAm 1988.78 EpDEm 1988.94
Num 3 Q RAmdeg 0.5 Q DEmdeg 1.1 Q pmRA 0.5
Q pmDE 1.1 BTmag 11.883 E BTmag 0.089 VTmag 10.498
E VTmag 0.044 Prox 9 TYC T HIP 101150
CCDM A RAdeg 307.54487250 DEdeg 26.84308500 EpRA 1990 1.63
EpDE 1990 1.70 E RAdeg 38.9 E DEdeg 36.7 Posflg D
Corr -0.1
Hipparcos
Catalog H HIP 101150 Proxy H RAhms 20 30 10.77
DEdms +26 50 35.2 Vmag 9.69 VarFlag R Vmag G
RAdeg 307.545 DEdeg 26.8431 AstroRef A Plx 43.24
CCDM 20303+2650 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 306 Rho 0.837 HD 340345 BD BD+26 3915
CD CP Dm number +26 3915 VIred 1.55
SpType M2 R SpType Coord arcsec 2000 203010.77+265035.2
Hipparcos 2
HIP 101150 Sn 15 So 3 Nc 2
RArad 5.3676705408 DErad 0.4685005828 Plx 41.99 PmRA -162.69
PmDE -128.21 E RArad 2.34 E DErad 2.25 E Plx 3.24
E pmRA 3.06 E pmDE 3.1 Hpmag 9.7821 E Hpmag 0.0026
SHp 0.033 VA 0 BV 1.34 E BV 0.015
VI 1.55
 
 
20302+2651 B
 
 
Coord arcsec 2000 203010.61+265033.4 Mag 10.63 PmRA -146.00 PmDE -142.0
HIP 101150 Tycho2 2164-00070-2 Calc delta mag 0.13 Calc coord yes
Tycho2
Tycho2 2164-00070-2 Pflag P RAmdeg 307.54442056 DEmdeg 26.84280525
PmRA -145.9 PmDE -141.9 E RAmdeg 43 E DEmdeg 41
E pmRA 2.7 E pmDE 2.7 EpRAm 1988.78 EpDEm 1988.94
Num 3 Q RAmdeg 0.5 Q DEmdeg 1.1 Q pmRA 0.5
Q pmDE 1.1 BTmag 12.432 E BTmag 0.178 VTmag 10.629
E VTmag 0.049 Prox 9 TYC T HIP 101150
CCDM B RAdeg 307.54463556 DEdeg 26.84324250 EpRA 1990 1.63
EpDE 1990 1.70 E RAdeg 44.4 E DEdeg 41.9 Posflg D
Corr -0.1
Hipparcos
Catalog H HIP 101150 Proxy H RAhms 20 30 10.77
DEdms +26 50 35.2 Vmag 9.69 VarFlag R Vmag G
RAdeg 307.545 DEdeg 26.8431 AstroRef A Plx 43.24
CCDM 20303+2650 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 306 Rho 0.837 HD 340345 BD BD+26 3915
CD CP Dm number +26 3915 VIred 1.55
SpType M2 R SpType Coord arcsec 2000 203010.77+265035.2
Hipparcos 2
HIP 101150 Sn 15 So 3 Nc 2
RArad 5.3676705408 DErad 0.4685005828 Plx 41.99 PmRA -162.69
PmDE -128.21 E RArad 2.34 E DErad 2.25 E Plx 3.24
E pmRA 3.06 E pmDE 3.1 Hpmag 9.7821 E Hpmag 0.0026
SHp 0.033 VA 0 BV 1.34 E BV 0.015
VI 1.55
 
 
20302+2651 C
 
 
Coord arcsec 2000 203010.19+265040.9 Mag 12.67 PmRA -21.00 PmDE -14.0
Calc delta mag 2.17 Calc coord yes
 
 
20302+2651 D
 
 
Coord arcsec 2000 203004.54+265051.5 Mag 11 PmRA 7.00 PmDE 3.0
Tycho2 2164-00469-1 HD 340346 Calc delta mag 0.5 Calc coord yes
Tycho2
Tycho2 2164-00469-1 Pflag RAmdeg 307.51515248 DEmdeg 26.84719804
PmRA 7.9 PmDE 4.4 E RAmdeg 38 E DEmdeg 37
E pmRA 2.3 E pmDE 2.3 EpRAm 1988.48 EpDEm 1988.67
Num 3 Q RAmdeg 0.2 Q DEmdeg 0.5 Q pmRA 0.3
Q pmDE 0.5 BTmag 11.301 E BTmag 0.058 VTmag 11.004
E VTmag 0.069 Prox 959 TYC T HIP
CCDM RAdeg 307.51513194 DEdeg 26.84718806 EpRA 1990 1.62
EpDE 1990 1.72 E RAdeg 39.1 E DEdeg 38.2 Posflg
Corr 0.0
 
 
20302+2651 E
 
 
Coord arcsec 2000 203139.90+264921.2 Mag 10.18 Spectral class G5 (yellow) PmRA -6.00
PmDE -5.0 DM BD+26 3920 Calc delta mag 0.32 Calc coord yes
 
 
20302+2651 F
 
 
Coord arcsec 2000 203007.86+265020.2 Mag 13.1 PmRA 3.00 PmDE 2.0
Calc delta mag 2.6 Calc coord yes