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Doubles in session


Current system
20494+2840
CBL 86


Nearby doubles
16' : 20497+2825
MLB 534

17' : 20483+2832
GRV 382

21' : 20496+2819
GRV 385

32' : 20492+2911
TDT2561

38' : 20523+2839
BRT 52

42' : 20474+2808
BRT3363

44' : 20463+2853
TDT2530

45' : 20501+2923
BAG 28AB

50' : 20481+2753
ES 510AB

52' : 20531+2856
MLB 535

52' : 20522+2917
KU 129AB

53' : 20490+2932
BRT 51AB

56' : 20531+2909
STT 417AB

58' : 20461+2916
MLB 711

60' : 20489+2939
TDT2559

61' : 20529+2920
BOW9002AB

62' : 20539+2856
GRV 392

63' : 20448+2825
AG 411

65' : 20487+2943
TDT2556

65' : 20447+2857
TDT2514

67' : 20445+2856
MLB 710

67' : 20537+2803
HJ 1589

68' : 20486+2733
MLB 713

73' : 20463+2740
MLB 712AB

73' : 20535+2751
MLB 572

75' : 20461+2740
TDT2527



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.

20494+2840 CBL 86

 
 
20h 49m 26.75s +28° 39' 55.2" P.A. 317.00 sep 53.7 mag 10.70,15.90 Sp G0 dist. 91.24 pc (297.62 l.y.)
 
 
Coord 2000 20494+2840 Discov num CBL  86 Comp Coord arcsec 2000 20 49 26.75 +28 39 55.2
Date first 1999 Date last 2016 Obs 9
Pa first 317 Pa last 317.4 P.A. Now (θ) 317.4°
Sep first 53.7 Sep last 53.691 Sep. Now (ρ) 53.691"
Mag pri 10.70 Mag sec 15.90 delta mag (ΔM) 5.2 Spectral class G0 (yellow)
Pri motion ra +023 Sec motion ra +023
Pri motion dec +064 Sec motion dec +067
Notes V (Proper motion indicates physical)
rPM=0.042 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Vulpecula HIP 102786 Tycho2 2183-02696-1 Gaia DR2 1857970249164888704
HD 335256 BD BD+28 3895 Distance 91.24 Distance ly 297.62
 
 
WDS 20494+2840 CBL 86 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Cbl2008 C w Caballero, R. 2008JDSO....4..164C
Cbl2008 +E2 JDSO 4, 164, 2008
Cbl2009 E u Caballero, R. 2009JDSO....5..156C
Cbl2009 +E2 JDSO 5, 156, 2009
Cbl2009b E j Caballero, R. 2009OED.....3...38C
Cbl2009b +E2 El Observador de Estrellas Dobles, Issue #3, 38, 2009
Cbl2009c C w Caballero, R., Romero, F.M.R. & Garzon, A.O. 2009OED.....3...41C
Cbl2009c +E2 El Observador de Estrellas Dobles, Issue #3, 41, 2009
Cbl2009c +Pa
Cbl2010a E2 u Caballero, R. et al. (el Grupo de Estrellas Dobles) 2010OED.....4...12C
Cbl2010a (Agrupacion Astronomica Hubble; Martos, Jaen, Espana)
Cbl2010a El Observador de Estrellas Dobles, Issue #4, 12, 2010
Cbl2010b E2 - Caballero, R. ...................
Cbl2010b private communication, 2010
Cbl2010c Eu u Caballero, R. 2010JDSO....6...97C
Cbl2010c +E2 JDSO 6, 97, 2010 (UC 1 - 300)
Cbl2010c +Pa (new CPM pairs discovered in UCAC3; astrometry from 2MASS and UCAC3, photometry
Cbl2010c from GSC3.2. Additional 2MASS photometry added by cataloguer; UCAC3 astrometry
Cbl2010c supplanted by astrometry from final UCAC4 reduction; GSC photometry moved to
Cbl2010c separate entry using coarse mean plate epoch of 1980.)
Cbl2010d C w Caballero, R. 2010JDSO....6..160C
Cbl2010d +Pa JDSO 6, 160, 2010
Cbl2010e E2 u Caballero, R. et al. (el Grupo de Estrellas Dobles) 2010OED.....5...33C
Cbl2010e (Agrupacion Astronomica Hubble; Martos, Jaen, Espana)
Cbl2010e El Observador de Estrellas Dobles, Issue #5, 33, 2010
Cbl2010e (updated coordinates and proper motions for 57 LDS pairs, from 2MASS, UCAC3,
Cbl2010e NOMAD. New measures from 2MASS)
Cbl2010f C u Caballero, R., Collado-Iglesias, B., Pozuelo-Gonzalez, S. & Fernandez-Sanchez, A. 2010JDSO....6..206C
Cbl2010f +E2 JDSO 6, 206, 2010
Cbl2012 E u Caballero, R. 2012JDSO....8...58C
Cbl2012 +Es JDSO 8, 58, 2012
Cbl2012b E2 u Caballero, R. 2012OED.....9..123C
Cbl2012b +C El Observador de Estrellas Dobles, Issue #9, 123, 2012
Cbl2012c E2 - Caballero, R. ...................
Cbl2012c private communication
Cbl2013 C - Caballero, R., Genet, R., Armstrong, J.D., McGaughey, S., Krach, C., 2013JDSO....9...61C
Cbl2013 Leatualli, A., Rohzinski, A., Rohzinski, C., Rohzinski, E., Rohzinski, N.,
Cbl2013 Wandell, M., Martinez, J. & Smith, T.
Cbl2013 JDSO 9, 61, 2013
Cbl2015 E2 - Caballero, R. 2015JDSO...11..167C
Cbl2015 JDSO 11, 167, 2015
Cbl2015b E2 - Caballero Rodan, R. 2015OED....15...34C
Cbl2015b El Observador de Estrellas Dobles, Issue #15, 34, 2015
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20494+2840 CBL 86 1999 2 317 53.7 10.70 15.90 VD 204926.75+283955.2
20494+2840 CBL 86 2002 2 318 53.8 10.70 15.90 VD 204926.75+283955.2
20494+2840 CBL 86 2010 3 317 53.7 10.70 15.90 G0 V 204926.75+283955.2
20494+2840 CBL 86 2015 4 317 53.7 10.70 15.90 G0 V 204926.75+283955.2
20494+2840 CBL 86 2016 9 317 53.7 10.70 15.90 G0 V 204926.75+283955.2

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

 
 
WDS 20494+2840 CBL 86 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20494+2840 CBL 86 : MEASURES
 
 
No records found.

 
 
WDS 20494+2840 : VIRTUAL EYEPIECE
 
 

20494+2840 CBL 86A mag 10.7 Sp G0 20494+2840 CBL 86B sep 50.8 P.A. 321.10 mag 15.9 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 20494+2840 : ALADIN DSS IMAGE @ 20h 49m 26.75s +28° 39' 55.2"
 
 
 
 
WDS 20494+2840 CBL 86 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20494+2840 CBL 86 distance=1' 20497+2825 MLB 534 distance=16' 20483+2832 GRV 382 distance=17' 20496+2819 GRV 385 distance=21' 20492+2911 TDT2561 distance=32' 20523+2839 BRT 52 distance=38' 20474+2808 BRT3363 distance=42' 20463+2853 TDT2530 distance=44' 20501+2923 BAG 28AB distance=45' 20501+2923 HLA 29AC distance=45' 20481+2753 ES 510BC distance=50' 20481+2753 ES 510AB distance=50' 20531+2856 MLB 535 distance=52' 20522+2917 KU 129AB distance=52' 20522+2917 KU 129AC distance=52' 20490+2932 BRT 51AB distance=53' 20490+2932 BRT 51AC distance=53' 20490+2932 BRT 51BC distance=53' 20531+2909 STT 417AB distance=56' 20531+2909 STT 417AB,C distance=56' 20461+2916 MLB 711 distance=58' 20489+2939 TDT2559 distance=60' 20529+2920 BOW9002AB distance=61' 20529+2920 DAM 295AC distance=61' 20539+2856 GRV 392 distance=62' 20448+2825 AG 411 distance=63' 20487+2943 TDT2556 distance=65' 20447+2857 TDT2514 distance=65' 20445+2856 MLB 710 distance=67' 20537+2803 HJ 1589 distance=67' 20486+2733 MLB 713 distance=68' 20463+2740 MLB 712AB distance=73' 20463+2740 MLB 712AC distance=73' 20463+2740 BRT3362CD distance=73' 20535+2751 MLB 572 distance=73' 20461+2740 TDT2527 distance=75' 20481+2727 BU 66 distance=75' 20493+2957 TDS1102 distance=78' 20551+2808 COU 831 distance=81' 20550+2805 BU 367AB distance=82' 20550+2805 A 3109AB,E distance=82' 20550+2805 BU 367AB,C distance=82' 20550+2805 BU 367AB,D distance=82' 20556+2845 BRT 53 distance=83' 20543+2740 TDT2619 distance=89' 20499+2711 HJ 1579 distance=89' 20519+3002 TDT2587 distance=89' 20483+3009 TDT2551 distance=91' 20562+2826 GRV 397 distance=91' 20562+2816 MLB 615 distance=92' 20559+2804 MLB 614 distance=92' 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 20494+2840 CBL 86 317 53.7 1
Show 20497+2825 MLB 534 134 5.3 16
Show 20483+2832 GRV 382 39 64.3 17
Show 20496+2819 GRV 385 40 51.0 21
Show 20492+2911 TDT2561 5 3.5 32
Show 20523+2839 BRT 52 87 8.8 38
Show 20474+2808 BRT3363 159 4.0 42
Show 20463+2853 TDT2530 27 0.6 44
Show 20501+2923 BAG 28 AB 332 1.0 45
Show 20501+2923 HLA 29 AC 336 6.9 45
Show 20481+2753 ES 510 BC 229 8.9 50
Show 20481+2753 ES 510 AB 337 43.9 50
Show 20531+2856 MLB 535 2 7.1 52
Show 20522+2917 KU 129 AB 103 15.1 52
Show 20522+2917 KU 129 AC 39 46.1 52
Show 20490+2932 BRT 51 AB 355 6.9 53
Show 20490+2932 BRT 51 AC 37 5.1 53
Show 20490+2932 BRT 51 BC 128 4.6 53
Show 20531+2909 STT 417 AB 27 0.9 56
Show 20531+2909 STT 417 AB,C 108 30.8 56
Show 20461+2916 MLB 711 39 6.2 58
Show 20489+2939 TDT2559 176 0.5 60
Show 20529+2920 BOW9002 AB 354 9.9 61
Show 20529+2920 DAM 295 AC 37 22.2 61
Show 20539+2856 GRV 392 3 33.8 62
Show 20448+2825 AG 411 20 2.9 63
Show 20487+2943 TDT2556 280 0.8 65
Show 20447+2857 TDT2514 130 1.8 65
Show 20445+2856 MLB 710 180 7.6 67
Show 20537+2803 HJ 1589 325 11.3 67
Show 20486+2733 MLB 713 348 7.3 68
Show 20463+2740 MLB 712 AB 43 8.5 73
Show 20463+2740 MLB 712 AC 126 24.1 73
Show 20463+2740 BRT3362 CD 84 6.3 73
Show 20535+2751 MLB 572 298 1.7 73
Show 20461+2740 TDT2527 94 2.0 75
Show 20481+2727 BU 66 169 1.1 75
Show 20493+2957 TDS1102 19 1.1 78
Show 20551+2808 COU 831 289 1.3 81
Show 20550+2805 BU 367 AB 224 0.1 82
Show 20550+2805 A 3109 AB,E 51 49.2 82
Show 20550+2805 BU 367 AB,C 358 38.0 82
Show 20550+2805 BU 367 AB,D 67 19.6 82
Show 20556+2845 BRT 53 25 2.6 83
Show 20543+2740 TDT2619 312 0.5 89
Show 20499+2711 HJ 1579 130 3.8 89
Show 20519+3002 TDT2587 349 1.0 89
Show 20483+3009 TDT2551 41 3.2 91
Show 20562+2826 GRV 397 339 58.2 91
Show 20562+2816 MLB 615 200 3.6 92
Show 20559+2804 MLB 614 75 8.7 92

 
 
WDS 20494+2840 : COMPONENTS
 
 
  A
B pa=321.1°
sep=50.78"
 
 
20494+2840 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204926.75+283955.2 Mag 10.7 Spectral class G0 (yellow)
PmRA 23.00 PmDE 64.0 HIP 102786 Tycho2 2183-02696-1
HD 335256 BD BD+28 3895
Tycho2
Tycho2 2183-02696-1 Pflag RAmdeg 312.36148124 DEmdeg 28.66535880
PmRA 23.0 PmDE 62.1 E RAmdeg 28 E DEmdeg 28
E pmRA 1.8 E pmDE 1.8 EpRAm 1984.92 EpDEm 1985.49
Num 6 Q RAmdeg 0.3 Q DEmdeg 0.9 Q pmRA 0.3
Q pmDE 0.8 BTmag 11.472 E BTmag 0.062 VTmag 10.758
E VTmag 0.053 Prox 999 TYC T HIP 102786
CCDM RAdeg 312.36142028 DEdeg 28.66520972 EpRA 1990 1.68
EpDE 1990 1.61 E RAdeg 37.7 E DEdeg 35.0 Posflg
Corr 0.1
Hipparcos
Catalog H HIP 102786 Proxy RAhms 20 49 26.74
DEdms +28 39 54.7 Vmag 10.6 VarFlag R Vmag H
RAdeg 312.361 DEdeg 28.6652 AstroRef Plx 12.9
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 335256 BD BD+28 3895
CD CP Dm number +28 3895 VIred 0.79
SpType G5 R SpType Coord arcsec 2000 204926.74+283954.7
Hipparcos 2
HIP 102786 Sn 5 So 0 Nc 1
RArad 5.4517349765 DErad 0.5003020021 Plx 10.96 PmRA 23.91
PmDE 60.43 E RArad 1.08 E DErad 1.28 E Plx 2.02
E pmRA 1.22 E pmDE 1.44 Hpmag 10.717 E Hpmag 0.0039
SHp 0.038 VA 0 BV 0.527 E BV 0.069
VI 0.6
 
 
20494+2840 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204924.33+284034.7 Mag 15.9 PmRA 23.00
PmDE 67.0 Calc delta mag 5.2 Calc coord yes