stampa
Login

Create your personal custom set of columns with all data you need.
Register here!


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
11374+4728
KU 39
DF UMa


Nearby doubles
16' : 11389+4733
COU1574

24' : 11395+4719
SLW 627

39' : 11336+4729
COU1573

48' : 11342+4656
LDS4117

52' : 11324+4738
ES 605

58' : 11391+4822
NSN 618

66' : 11334+4637
COU1751

67' : 11439+4717
ES 1084

71' : 11431+4808
TDS 642

76' : 11390+4614
LDS5736

77' : 11362+4843
FAR 35

83' : 11455+4740
LEP 45

85' : 11401+4608
LDS4130

86' : 11366+4853
DEA 76

87' : 11459+4733
LDS4141

88' : 11314+4832
UC 2159

90' : 11288+4749
TDS7881

104' : 11392+4910
STF1562

108' : 11275+4806
TDS7864

109' : 11319+4555
COU1750

115' : 11288+4615
SLW 606

123' : 11277+4618
STF1541

127' : 11332+4927
HU 727

129' : 11406+4524
SKF2632

132' : 11245+4738
CVR1366

134' : 11473+4601
SLW 649



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.

11374+4728 KU 39 (DF UMa)

 
 
11h 37m 24.61s +47° 27' 44.8" P.A. 144.00 sep 1.2 mag 10.68,11.16 Sp K4V dist. 31.3 pc (102.1 l.y.)
 
 
Coord 2000 11374+4728 Discov num KU   39 Comp Coord arcsec 2000 11 37 24.61 +47 27 44.8
Date first 1901 Date last 2017 Obs 52
Pa first 22 Pa last 144.1 P.A. Now (θ) 144.1°
Sep first 2.5 Sep last 1.15 Sep. Now (ρ) 1.15"
Mag pri 10.68 Mag sec 11.16 delta mag (ΔM) 0.48 Spectral class K4V (yellow-orange)
Pri motion ra +098 Sec motion ra +098
Pri motion dec -024 Sec motion dec -024
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name DF UMa Constellation Ursa Major HIP 56685 Tycho2 3451-00540-1
ADS 8242 BD BD+48 1958 Distance 31.3 Distance ly 102.1
 
 
ORBITAL ELEMENTS
 
 
Period (P)278.8y Periastron (T)1743.8y Semi-major axis (a)2.14a
Eccentricity (e)0.65 Inclination (i)50.1° Longitude of periastron (ω)62.5°
Node (Ω)142.8° Notesn ReferenceWSI2006b
Equinox2000 Last observation2005 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 112.2 1.272
2001 114.0 1.256
2002 115.9 1.239
2003 117.8 1.221
2004 119.7 1.202
2005 121.8 1.182
2006 123.9 1.160
2007 126.1 1.138
2008 128.3 1.114
2009 130.7 1.088
2010 133.2 1.060
2011 135.8 1.030
2012 138.6 0.998
2013 141.6 0.964
2014 144.9 0.927
2015 148.4 0.887
2016 152.2 0.845
2017 156.5 0.801
2018 161.2 0.754
2019 166.6 0.707
2020 172.8 0.659
2021 180.0 0.613
2022 188.2 0.571
2023 197.7 0.536
2024 208.2 0.511
2025 219.6 0.499
2026 231.2 0.501
2027 242.3 0.519
2028 252.5 0.549
2029 261.4 0.590
2030 269.1 0.638


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


 
  


wds11374%2B4728a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 11374+4728 KU 39 (DF UMa) : NOTES
 
 
discov_num notes refcode
KU 39 A is a BY Dra-type variable, and also a spectroscopic binary. A
premature visual orbit has been computed.
See Baize & Petit (1989) catalog of doubles with variable component. Baz1989d
 
 
REFERENCES
 
 
refcode metd author reference
Baz1989d - Baize, P. & Petit, M. 1989A&AS...77..497B
Baz1989d A&AS 77, 497, 1989
WSI2006b Su j Mason, B.D., Hartkopf, W.I., Wycoff, G.L., & Holdenried, E.R. 2006AJ....132.2219M
WSI2006b +orb AJ 132, 2219, 2006
 
 
DISCOVERER
 
 
idgroup discov author
1 KU Kustner, F.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
11374+4728 KU 39 2005 47 119 1.1 10.68 11.16 K4V NO 113724.61+472744.8
11374+4728 KU 39 2010 48 129 1.1 10.68 11.16 K4V NO 113724.61+472744.8
11374+4728 KU 39 2015 49 141 1.2 10.68 11.16 K4V NO 113724.61+472744.8
11374+4728 KU 39 2017 51 144 1.2 10.68 11.16 K4V NO 113724.61+472744.8

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

 
 
WDS 11374+4728 KU 39 (DF UMa) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 11374+4728 KU 39 (DF UMa) : MEASURES
 
 
No records found.

 
 
WDS 11374+4728 (DF UMa) : VIRTUAL EYEPIECE
 
 

11374+4728 KU 39A mag 10.68 Sp K4V 11374+4728 KU 39B sep 1.0 P.A. 153.90 mag 11.16 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 11374+4728 (DF UMa) : ALADIN DSS IMAGE @ 11h 37m 24.61s +47° 27' 44.8"
 
 
 
 
WDS 11374+4728 KU 39 (DF UMa) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

11374+4728 KU 39 distance=0' 11389+4733 COU1574 distance=16' 11395+4719 SLW 627 distance=24' 11336+4729 COU1573 distance=39' 11342+4656 LDS4117 distance=48' 11324+4738 ES 605 distance=52' 11391+4822 NSN 618 distance=58' 11334+4637 COU1751 distance=66' 11439+4717 ES 1084 distance=67' 11431+4808 TDS 642 distance=71' 11390+4614 LDS5736 distance=76' 11362+4843 FAR 35 distance=77' 11455+4740 LEP 45 distance=83' 11401+4608 LDS4130 distance=85' 11366+4853 DEA 76 distance=86' 11459+4733 LDS4141 distance=87' 11314+4832 UC 2159 distance=88' 11288+4749 TDS7881 distance=90' 11392+4910 STF1562 distance=104' 11275+4806 TDS7864 distance=108' 11319+4555 COU1750 distance=109' 11288+4615 SLW 606 distance=115' 11277+4618 STF1541 distance=123' 11332+4927 HU 727 distance=127' 11406+4524 SKF2632 distance=129' 11245+4738 CVR1366 distance=132' 11473+4601 SLW 649 distance=134' 11498+4637 SKF2636BC distance=136' 11498+4637 SKF2636AB distance=136' 11498+4637 SKF2636AC distance=136' 11479+4855 SKF2635 distance=137' 11455+4536 STF1570 distance=140' 11379+4949 HU 728 distance=141' 11387+4507 STF1561AB distance=142' 11387+4507 STF1561AC distance=142' 11387+4507 STF1561AE distance=142' 11387+4507 STF1561AD distance=142' 11387+4507 STF1561BC distance=142' 11387+4507 STF1561BE distance=142' 11387+4507 STF1561CD distance=143' 11239+4811 RAO 262 distance=143' 11444+4518 KPP3245 distance=149' 11520+4805 HU 731 distance=152' 11286+4526 UC 2147 distance=152' 11479+4541 HJ 1198 distance=152' 11421+4953 TDS8000 distance=153' 11259+4908 KU 37 distance=153' 11235+4828 COU2100 distance=154' 11297+4515 LDS4105 distance=156' 11308+4508 LDS4107 distance=156' 11387+4450 TDS7974 distance=159' 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 11374+4728 KU 39 144 1.2
Show 11389+4733 COU1574 183 1.7 16
Show 11395+4719 SLW 627 242 156.3 24
Show 11336+4729 COU1573 90 0.6 39
Show 11342+4656 LDS4117 55 55.2 48
Show 11324+4738 ES 605 60 4.9 52
Show 11391+4822 NSN 618 77 2.7 58
Show 11334+4637 COU1751 147 0.2 66
Show 11439+4717 ES 1084 261 4.8 67
Show 11431+4808 TDS 642 191 2.3 71
Show 11390+4614 LDS5736 248 319.6 76
Show 11362+4843 FAR 35 10 0.1 77
Show 11455+4740 LEP 45 72 999.9 83
Show 11401+4608 LDS4130 247 156.9 85
Show 11366+4853 DEA 76 65 15.8 86
Show 11459+4733 LDS4141 191 66.1 87
Show 11314+4832 UC 2159 22 17.5 88
Show 11288+4749 TDS7881 245 0.4 90
Show 11392+4910 STF1562 270 16.2 104
Show 11275+4806 TDS7864 254 0.6 108
Show 11319+4555 COU1750 235 2.0 109
Show 11288+4615 SLW 606 156 21.7 115
Show 11277+4618 STF1541 27 7.8 123
Show 11332+4927 HU 727 205 1.3 127
Show 11406+4524 SKF2632 275 10.5 129
Show 11245+4738 CVR1366 325 3.0 132
Show 11473+4601 SLW 649 214 36.8 134
Show 11498+4637 SKF2636 BC 344 24.5 136
Show 11498+4637 SKF2636 AB 295 9.1 136
Show 11498+4637 SKF2636 AC 331 31.3 136
Show 11479+4855 SKF2635 189 7.9 137
Show 11455+4536 STF1570 49 10.9 140
Show 11379+4949 HU 728 117 0.3 141
Show 11387+4507 STF1561 AB 246 8.9 142
Show 11387+4507 STF1561 AC 90 176.8 142
Show 11387+4507 STF1561 AE 338 60.7 142
Show 11387+4507 STF1561 AD 76 718.2 142
Show 11387+4507 STF1561 BC 89 179.6 142
Show 11387+4507 STF1561 BE 347 61.7 142
Show 11387+4507 STF1561 CD 72 553.1 143
Show 11239+4811 RAO 262 180 0.7 143
Show 11444+4518 KPP3245 125 1.4 149
Show 11520+4805 HU 731 305 1.3 152
Show 11286+4526 UC 2147 236 38.0 152
Show 11479+4541 HJ 1198 104 11.9 152
Show 11421+4953 TDS8000 62 0.4 153
Show 11259+4908 KU 37 325 1.9 153
Show 11235+4828 COU2100 23 1.6 154
Show 11297+4515 LDS4105 325 127.6 156
Show 11308+4508 LDS4107 193 51.5 156
Show 11387+4450 TDS7974 40 0.5 159

 
 
WDS 11374+4728 : COMPONENTS
 
 
  A
B pa=153.9°
sep=1.04"
 
 
11374+4728 A
 
 
Componente originario normalizzato AB Name DF UMa Coord arcsec 2000 113724.61+472744.8 Mag 10.68
Spectral class K4V (yellow-orange) PmRA 98.00 PmDE -24.0 HIP 56685
Tycho2 3451-00540-1 BD BD+48 1958
Tycho2
Tycho2 3451-00540-1 Pflag P RAmdeg 174.35254150 DEmdeg 47.46245064
PmRA 97.6 PmDE -24.4 E RAmdeg 37 E DEmdeg 39
E pmRA 2.1 E pmDE 1.9 EpRAm 1986.37 EpDEm 1984.85
Num 6 Q RAmdeg 2.4 Q DEmdeg 1.5 Q pmRA 2.3
Q pmDE 1.5 BTmag 12.271 E BTmag 0.146 VTmag 10.678
E VTmag 0.050 Prox 13 TYC T HIP 56685
CCDM A RAdeg 174.35207278 DEdeg 47.46251083 EpRA 1990 1.66
EpDE 1990 1.75 E RAdeg 38.5 E DEdeg 42.0 Posflg D
Corr -0.1
Hipparcos
Catalog H HIP 56685 Proxy H RAhms 11 37 24.49
DEdms +47 27 45.1 Vmag 10.03 VarFlag R Vmag H
RAdeg 174.352 DEdeg 47.4625 AstroRef A Plx 27.67
CCDM 11374+4728 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 97 Rho 1.401 HD BD BD+48 1958
CD CP Dm number +48 1958 VIred 1.28
SpType K4V R SpType Coord arcsec 2000 113724.49+472745.1
Hipparcos 2
HIP 56685 Sn 15 So 3 Nc 2
RArad 3.0430172062 DErad 0.8283773464 Plx 31.95 PmRA 103.99
PmDE -14.41 E RArad 1.93 E DErad 2.03 E Plx 2.82
E pmRA 2.59 E pmDE 2.92 Hpmag 10.1508 E Hpmag 0.0055
SHp 0.035 VA 0 BV 0 E BV 0
VI 0
CCDM
Ccdm 11374+4728 RComp Comp A Note1
Note2 Discov num DRAs 0.74 DDEs -15.4
R dRAs 65 Year Theta Rho
Obs 2 Vmag 11.1 Sp M0 PmNote @
PmRA 123 PmDE -41 Dm number +48 1958 Cat1 BD
Name2 +47 926 Cat2 AGK2/3 HD M HD
ADS BDS A 8242 M ADS BDS N IDS IDS 11319N4801A
HIC 56685
 
 
11374+4728 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 113724.65+472743.9 Mag 11.16 PmRA 98.00
PmDE -24.0 HIP 56685 Tycho2 3451-00540-2 Calc delta mag 0.48
Calc coord yes
Tycho2
Tycho2 3451-00540-2 Pflag P RAmdeg 174.35254150 DEmdeg 47.46245064
PmRA 97.6 PmDE -24.4 E RAmdeg 37 E DEmdeg 39
E pmRA 2.1 E pmDE 1.9 EpRAm 1986.37 EpDEm 1984.85
Num 6 Q RAmdeg 2.4 Q DEmdeg 1.5 Q pmRA 2.3
Q pmDE 1.5 BTmag 13.072 E BTmag 0.275 VTmag 11.156
E VTmag 0.075 Prox 13 TYC HIP 56685
CCDM B RAdeg 174.35260194 DEdeg 47.46249917 EpRA 1990 1.66
EpDE 1990 1.75 E RAdeg 57.6 E DEdeg 62.3 Posflg D
Corr -0.1
Hipparcos
Catalog H HIP 56685 Proxy H RAhms 11 37 24.49
DEdms +47 27 45.1 Vmag 10.03 VarFlag R Vmag H
RAdeg 174.352 DEdeg 47.4625 AstroRef A Plx 27.67
CCDM 11374+4728 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 97 Rho 1.401 HD BD BD+48 1958
CD CP Dm number +48 1958 VIred 1.28
SpType K4V R SpType Coord arcsec 2000 113724.49+472745.1
Hipparcos 2
HIP 56685 Sn 15 So 3 Nc 2
RArad 3.0430172062 DErad 0.8283773464 Plx 31.95 PmRA 103.99
PmDE -14.41 E RArad 1.93 E DErad 2.03 E Plx 2.82
E pmRA 2.59 E pmDE 2.92 Hpmag 10.1508 E Hpmag 0.0055
SHp 0.035 VA 0 BV 0 E BV 0
VI 0
CCDM
Ccdm 11374+4728 RComp Comp B Note1 *
Note2 Discov num KU 39 DRAs DDEs
R dRAs Year 1960 Theta 060 Rho 1.8
Obs 16 Vmag 11.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 8242 M ADS BDS N N IDS IDS 11319N4801B
HIC 56685