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Current system
21593+4606
COU 2138


Nearby doubles
15' : 21588+4619
UC 267

24' : 22002+4545
A 777

26' : 21580+4627
COU2236

27' : 22013+4621
HJ 1714

35' : 21571+4540
COU2235

38' : 21556+4605
TDT3245

45' : 22016+4528
KPP3424AB

46' : 21594+4520
LYS 12

47' : 22022+4531
TDT3300

50' : 21548+4548
STF2846AB

52' : 22014+4519
TDT3294

55' : 22035+4534
SAN 2AB

55' : 22013+4515
A 780AB

55' : 22017+4517
HJ 1715

58' : 22033+4646
ES 529

59' : 22046+4624
BRT1157

61' : 22019+4511
LYS 16

62' : 22042+4633
POP 145AB

64' : 22022+4510
TDT3301AB

64' : 21549+4651
DAM 299

65' : 21532+4619
SLN 43

66' : 21545+4650
ES 2714

66' : 21598+4501
A 776

68' : 22007+4500
LYS 14

68' : 21561+4506
BRT1155

68' : 22053+4629
HJ 1725



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.

21593+4606 COU 2138

 
 
21h 59m 15.36s +46° 05' 30.8" P.A. 303.00 sep 0.1 mag 9.50,9.80 Sp K0 dist. 66.09 pc (215.59 l.y.)
 
 
Coord 2000 21593+4606 Discov num COU2138 Comp Coord arcsec 2000 21 59 15.36 +46 05 30.8
Date first 1982 Date last 2014 Obs 24
Pa first 3 Pa last 303.1 P.A. Now (θ) 303.1°
Sep first 0.3 Sep last 0.137 Sep. Now (ρ) 0.137"
Mag pri 9.50 Mag sec 9.80 delta mag (ΔM) 0.3 Spectral class K0 (yellow-orange)
Pri motion ra +227 Sec motion ra
Pri motion dec +091 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus HIP 108536 Tycho2 3605-02079-1 Gaia DR2 1975119639688397440
BD BD+45 3750 Distance 66.09 Distance ly 215.59
 
 
ORBITAL ELEMENTS
 
 
Period (P)45.44y Periastron (T)2001.37y Semi-major axis (a)0.238a
Eccentricity (e)0.028 Inclination (i)117.7° Longitude of periastron (ω)154.3°
Node (Ω)5.1° Notes ReferenceDoc2012c
Equinox2000 Last observation2007 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 204.5 0.196
2001 199.4 0.209
2002 194.9 0.220
2003 190.8 0.228
2004 186.8 0.231
2005 182.9 0.232
2006 179.0 0.228
2007 174.9 0.221
2008 170.4 0.211
2009 165.4 0.198
2010 159.6 0.182
2011 152.7 0.166
2012 144.3 0.149
2013 133.7 0.133
2014 120.6 0.120
2015 105.1 0.113
2016 88.6 0.113
2017 72.9 0.119
2018 59.5 0.132
2019 48.7 0.147
2020 40.1 0.165
2021 33.1 0.182
2022 27.4 0.198
2023 22.4 0.213
2024 18.1 0.225
2025 14.1 0.234
2026 10.4 0.241
2027 6.9 0.244
2028 3.4 0.243
2029 359.8 0.240
2030 356.1 0.233


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


 
  


wds21593%2B4606d.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 21593+4606 COU 2138 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Doc2012c orb - Docobo, J.A. & Ling, J.F. 2012IAUDS.176R...1D
Doc2012c Inf. Circ. 176, 1, 2012
 
 
DISCOVERER
 
 
idgroup discov author
1 COU Couteau, P.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21593+4606 COU2138 2001 17 191 0.2 9.50 9.80 OD 215915.17+460530.0
21593+4606 COU2138 2007 18 172 0.2 9.50 9.80 OD 215915.17+460530.0
21593+4606 COU2138 2008 21 351 0.2 9.50 9.80 OD 215915.17+460530.0
21593+4606 COU2138 2010 22 343 0.2 9.50 9.80 K0 O 215915.36+460530.8
21593+4606 COU2138 2012 23 325 0.1 9.50 9.80 K0 O 215915.36+460530.8
21593+4606 COU2138 2014 24 303 0.1 9.50 9.80 K0 O 215915.36+460530.8

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

 
 
WDS 21593+4606 COU 2138 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21593+4606 COU 2138 : MEASURES
 
 
No records found.

 
 
WDS 21593+4606 : VIRTUAL EYEPIECE
 
 

21593+4606 COU2138A mag 9.5 Sp K0 21593+4606 COU2138B sep 0.1 P.A. 313.20 mag 9.8 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 21593+4606 : ALADIN DSS IMAGE @ 21h 59m 15.36s +46° 05' 30.8"
 
 
 
 
WDS 21593+4606 COU 2138 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21593+4606 COU2138 distance=0' 21588+4619 UC 267 distance=15' 22002+4545 A 777 distance=24' 21580+4627 COU2236 distance=26' 22013+4621 HJ 1714 distance=27' 21571+4540 COU2235 distance=35' 21556+4605 TDT3245 distance=38' 22016+4528 KPP3424AB distance=45' 21594+4520 LYS 12 distance=46' 22022+4531 TDT3300 distance=47' 21548+4548 COU2137Aa,Ab distance=50' 21548+4548 STF2846AB distance=50' 21548+4548 STF2846AC distance=50' 22014+4519 TDT3294 distance=52' 22035+4534 SAN 2AB distance=55' 22035+4534 LMP 47AC distance=55' 22013+4515 A 780AB distance=55' 22013+4515 A 780AC distance=55' 22013+4515 A 780AE distance=55' 22013+4515 A 780AF distance=55' 22013+4515 A 780AR distance=55' 22017+4517 HJ 1715 distance=55' 22013+4515 A 780CD distance=56' 22013+4515 A 780CR distance=56' 22033+4646 ES 529 distance=58' 22046+4624 BRT1157 distance=59' 22019+4511 LYS 16 distance=61' 22042+4633 POP 145AB distance=62' 22042+4633 POP 145AB,CD distance=62' 22042+4633 POP 145CD distance=62' 22022+4510 TDT3301AB distance=64' 21549+4651 DAM 299 distance=64' 21532+4619 SLN 43 distance=65' 21545+4650 ES 2714 distance=66' 21598+4501 A 776 distance=66' 22007+4500 LYS 14 distance=68' 21561+4506 BRT1155 distance=68' 22053+4629 HJ 1725 distance=68' 21552+4700 TDT3240 distance=69' 21543+4652 DAM 298 distance=70' 21555+4703 HJ 1705 distance=70' 22046+4650 TDT3326 distance=71' 22008+4717 WAK 6AB distance=73' 22008+4717 WAK 7CD distance=73' 21576+4452 SMA 153 distance=76' 22025+4714 ES 528 distance=76' 22012+4452 LYS 15AB distance=77' 22012+4452 LYS 15AC distance=77' 22012+4452 LYS 15AD distance=77' 22012+4452 LYS 15AE distance=77' 22012+4452 LYS 15AF distance=77' 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 21593+4606 COU2138 303 0.1
Show 21588+4619 UC 267 246 17.2 15
Show 22002+4545 A 777 82 2.3 24
Show 21580+4627 COU2236 194 0.3 26
Show 22013+4621 HJ 1714 251 17.2 27
Show 21571+4540 COU2235 94 0.3 35
Show 21556+4605 TDT3245 263 0.5 38
Show 22016+4528 KPP3424 AB 293 7.9 45
Show 21594+4520 LYS 12 66 6.9 46
Show 22022+4531 TDT3300 324 0.7 47
Show 21548+4548 COU2137 Aa,Ab 227 0.2 50
Show 21548+4548 STF2846 AB 266 3.6 50
Show 21548+4548 STF2846 AC 155 33.2 50
Show 22014+4519 TDT3294 159 0.7 52
Show 22035+4534 SAN 2 AB 132 8.6 55
Show 22035+4534 LMP 47 AC 44 57.6 55
Show 22013+4515 A 780 AB 148 1.6 55
Show 22013+4515 A 780 AC 94 67.0 55
Show 22013+4515 A 780 AE 86 17.5 55
Show 22013+4515 A 780 AF 32 18.6 55
Show 22013+4515 A 780 AR 116 40.1 55
Show 22017+4517 HJ 1715 256 12.8 55
Show 22013+4515 A 780 CD 110 1.0 56
Show 22013+4515 A 780 CR 27 16.8 56
Show 22033+4646 ES 529 72 5.5 58
Show 22046+4624 BRT1157 224 7.2 59
Show 22019+4511 LYS 16 114 11.0 61
Show 22042+4633 POP 145 AB 104 2.4 62
Show 22042+4633 POP 145 AB,CD 93 30.3 62
Show 22042+4633 POP 145 CD 33 1.7 62
Show 22022+4510 TDT3301 AB 121 1.6 64
Show 21549+4651 DAM 299 309 6.8 64
Show 21532+4619 SLN 43 205 26.1 65
Show 21545+4650 ES 2714 24 2.7 66
Show 21598+4501 A 776 294 3.8 66
Show 22007+4500 LYS 14 56 11.1 68
Show 21561+4506 BRT1155 101 4.2 68
Show 22053+4629 HJ 1725 78 29.9 68
Show 21552+4700 TDT3240 7 1.7 69
Show 21543+4652 DAM 298 188 3.8 70
Show 21555+4703 HJ 1705 82 7.4 70
Show 22046+4650 TDT3326 2 4.0 71
Show 22008+4717 WAK 6 AB 238 13.1 73
Show 22008+4717 WAK 7 CD 142 5.2 73
Show 21576+4452 SMA 153 26 10.2 76
Show 22025+4714 ES 528 148 3.2 76
Show 22012+4452 LYS 15 AB 209 17.3 77
Show 22012+4452 LYS 15 AC 281 73.4 77
Show 22012+4452 LYS 15 AD 286 36.3 77
Show 22012+4452 LYS 15 AE 265 43.7 77
Show 22012+4452 LYS 15 AF 269 17.9 77

 
 
WDS 21593+4606 : COMPONENTS
 
 
  A
B pa=313.2°
sep=0.11"
 
 
21593+4606 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 215915.36+460530.8 Mag 9.5 Spectral class K0 (yellow-orange)
PmRA 227.00 PmDE 91.0 Tycho2 3605-02079-1
Tycho2
Tycho2 3605-02079-1 Pflag RAmdeg 329.81401834 DEmdeg 46.09189780
PmRA 227.9 PmDE 92.5 E RAmdeg 13 E DEmdeg 13
E pmRA 1.0 E pmDE 1.0 EpRAm 1989.01 EpDEm 1988.99
Num 8 Q RAmdeg 1.4 Q DEmdeg 2.2 Q pmRA 1.4
Q pmDE 2.2 BTmag 10.413 E BTmag 0.029 VTmag 9.505
E VTmag 0.019 Prox 999 TYC T HIP 108536
CCDM RAdeg 329.81325389 DEdeg 46.09168444 EpRA 1990 1.65
EpDE 1990 1.72 E RAdeg 13.5 E DEdeg 13.8 Posflg
Corr 0.1
CCDM
Ccdm 21593+4606 RComp Comp A Note1
Note2 Discov num DRAs -2.59 DDEs -29.8
R dRAs 81 Year Theta Rho
Obs 2 Vmag 9.3 Sp K0 PmNote @
PmRA 235 PmDE 81 Dm number +45 3750 Cat1 BD
Name2 +45 1953 Cat2 AGK2/3 HD M HD
ADS BDS M ADS BDS N IDS IDS 21553N4537A
HIC 108536
 
 
21593+4606 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 215915.35+460530.9 Mag 9.8 HIP 108536
BD BD+45 3750 Calc delta mag 0.3 Calc coord yes
Hipparcos
Catalog H HIP 108536 Proxy RAhms 21 59 15.17
DEdms +46 05 30.0 Vmag 9.41 VarFlag R Vmag H
RAdeg 329.813 DEdeg 46.0917 AstroRef Plx 15.32
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD BD BD+45 3750
CD CP Dm number +45 3750 VIred 1.14
SpType K0 R SpType Coord arcsec 2000 215915.17+460530.0
Hipparcos 2
HIP 108536 Sn 5 So 0 Nc 1
RArad 5.7563266531 DErad 0.8044513231 Plx 15.13 PmRA 221.75
PmDE 95.54 E RArad 0.89 E DErad 0.83 E Plx 1.12
E pmRA 1.01 E pmDE 0.92 Hpmag 9.5494 E Hpmag 0.0027
SHp 0.024 VA 0 BV 0.776 E BV 0.029
VI 0.82
CCDM
Ccdm 21593+4606 RComp Comp B Note1
Note2 Discov num COU2138 DRAs DDEs
R dRAs Year 1990 Theta 324 Rho 0.1
Obs 11 Vmag 9.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 21553N4537B
HIC 108536