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Current system
13020+5654
HJ 2631


Nearby doubles
29' : 13026+5625
KR 41

32' : 12584+5705
A 1604

34' : 13007+5622
BU 1082

43' : 13042+5615
MLR 554

46' : 12599+5736
STI2292

54' : 13004+5746
UC 2449

54' : 12556+5706
MLR 553

58' : 13069+5612
UC 2483

64' : 13048+5555
WOR 23

66' : 12569+5744
MLR 500AB

68' : 12556+5613
DAM 711AB

70' : 13008+5545
STI2293

72' : 12581+5758
LDS1350

82' : 13110+5732
LDS2668

87' : 12540+5558
BLM 2
Alioth

90' : 12561+5540
LDS3068

94' : 12584+5822
HJ 2628

95' : 12550+5810
STF1691AB

96' : 13136+5643
STTA122AB

105' : 12546+5819
WIS 207

106' : 12579+5834
UC 2440

111' : 12487+5640
TDS8534

114' : 12483+5653
LDS2660

116' : 13161+5705
HDS1861

117' : 13138+5550
CVR1496

125' : 13054+5452
UC 182



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.

13020+5654 HJ 2631

 
 
13h 02m 02.15s +56° 53' 43.7" P.A. 253.00 sep 34.4 mag 10.03,13.56 Sp F8
 
 
Coord 2000 13020+5654 Discov num HJ 2631 Comp Coord arcsec 2000 13 02 02.15 +56 53 43.7
Date first 1831 Date last 2015 Obs 11
Pa first 223 Pa last 252.5 P.A. Now (θ) 252.5°
Sep first 18.0 Sep last 34.428 Sep. Now (ρ) 34.428"
Mag pri 10.03 Mag sec 13.56 delta mag (ΔM) 3.53 Spectral class F8 (yellow-white)
Pri motion ra +044 Sec motion ra -028
Pri motion dec -058 Sec motion dec -004
Notes
rPM=1.236
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ursa Major SAO 28607 Tycho2 3845-01144-1 Gaia DR2 1576981634539783168
HD 238183
 
 
WDS 13020+5654 HJ 2631 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HJ_1826 Mb - Herschel, J.F.W. 1826MmRAS...2..459H
HJ_1826 MemRAS 2, 459, 1826
HJ_1829a Mb - Herschel, J.F.W. 1829MmRAS...3...47H
HJ_1829a MemRAS 3, 47, 1829
HJ_1829b Mb - Herschel, J.F.W. 1829MmRAS...3..177H
HJ_1829b MemRAS 3, 177, 1829
HJ_1831 Ma - Herschel, J.F.W. 1831MmRAS...4..331H
HJ_1831 +Mb MemRAS 4, part 2, 331, 1831
HJ_1833a Ma - Herschel, J.F.W. 1833MmRAS...5...13H
HJ_1833a +Mb MemRAS 5, 13, 1833
HJ_1833b orb - Herschel, J.F.W. 1833MmRAS...5..171H
HJ_1833b MemRAS 5, 171, 1833
HJ_1833c Mb - Herschel, J.F.W. 1833MmRAS...6....1H
HJ_1833c MemRAS 6, 1, 1833
HJ_1833d orb - Herschel, J.F.W. 1833MmRAS...6..149H
HJ_1833d MemRAS 6, 149, 1833
HJ_1835 Ma - Herschel, J.F.W. 1835MmRAS...8...37H
HJ_1835 +Mb MemRAS 8, 37, 1835
HJ_1836 Mb - Herschel, J.F.W. 1836MmRAS...9..193H
HJ_1836 MemRAS 9, 193, 1836
HJ_1847a Ma j Herschel, J.F.W. .
HJ_1847a +Mb Cape Results, London, 1847 (Cape of Good Hope Astronomical Observations 1834-1838)
HJ_1847b Ma j Herschel, J.F.W. .
HJ_1847b Cape Results, London, 1847
HJ_1850 orb - Herschel, J.F.W. 1850MmRAS..18...47H
HJ_1850 MemRAS 18, 47, 1850
HJ_1870 Mb - Herschel, J.F.W. 1870MmRAS..38....1H
HJ_1870 MemRAS 38, 1, 1870
HJ_1874A - Herschel, J.F.W. 1874MNRAS..35...28B
HJ_1874A cited by Burnham (MNRAS 35, 28, 1874)
HJ_1875A Ma - Herschel, J.F.W. 1875AN.....85..323D
HJ_1875A +Mb cited by Doberck, 1875 (see Dob1875b,f,g,h)
HJ_1880A Ma - Herschel, J.F.W. 1880Obs.....3..508G
HJ_1880A +Mb cited by Gledhill (Obs 3, 508, 1880)
HJ_1880B Mb - Herschel, J.F.W. 1880MNRAS..40..497B
HJ_1880B cited by Burnham (MNRAS 40, 497, 1880)
HJ_1897A Ma j Herschel, J.F.W. 1897MNRAS..57..541S
HJ_1897A cited by See (MNRAS 57, 541, 1897)
HJ_1905A Ma - Herschel, J.F.W. 1905LicOB...3..147A
HJ_1905A +Mb cited by Aitken (Lick Obs. Bull. 3, 147, 1905)
HJ_1906A Ma - Herschel, J.F.W. 1906MmRAS..56....1L
HJ_1906A +Mb cited by Lewis (MemRAS 56, 1, 1906)
HJ_1906B Ma - Herschel, J.F.W. 1906QB821.B972.....
HJ_1906B +Mb cited in BDS (Burnham Double Star Cat.), 1906
HJ_1927A Mb - Herschel, J.F.W. 1927sdsc.book......
HJ_1927A cited in SDS (Southern Double Star Catalog), 1927
HJ_1932A Mb - Herschel, J.F.W. 1932QB821.A43......
HJ_1932A cited in ADS (Aitken Double Star Cat.), 1932
HJ_9999 M j Herschel, J.F.W. ...................
HJ_9999 +Ma Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
13020+5654 HJ 2631 2000 4 251 33.8 10.03 13.50 F8 D 130202.15+565343.7
13020+5654 HJ 2631 2003 5 251 33.9 10.03 13.50 F8 D 130202.15+565343.7
13020+5654 HJ 2631 2010 6 252 34.2 10.03 13.56 F8 130202.15+565343.7
13020+5654 HJ 2631 2015 7 252 34.4 10.03 13.56 F8 130202.15+565343.7

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

 
 
WDS 13020+5654 HJ 2631 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 13020+5654 HJ 2631 : MEASURES
 
 
No records found.

 
 
WDS 13020+5654 : VIRTUAL EYEPIECE
 
 

13020+5654 HJ 2631A mag 10.03 Sp F8 13020+5654 HJ 2631B sep 20.7 P.A. 240.00 mag 13.56 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 13020+5654 : ALADIN DSS IMAGE @ 13h 02m 02.15s +56° 53' 43.7"
 
 
 
 
WDS 13020+5654 HJ 2631 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

13020+5654 HJ 2631 distance=0' 13026+5625 KR 41 distance=29' 12584+5705 A 1604 distance=32' 13007+5622 BU 1082 distance=34' 13042+5615 MLR 554 distance=43' 12599+5736 STI2292 distance=46' 13004+5746 UC 2449 distance=54' 12556+5706 MLR 553 distance=54' 13069+5612 UC 2483 distance=58' 13048+5555 WOR 23 distance=64' 12569+5744 MLR 500AB distance=66' 12569+5744 MLR 500AC distance=66' 12556+5613 LDS1343BC distance=67' 12556+5613 DAM 711AB distance=68' 13008+5545 STI2293 distance=70' 12581+5758 LDS1350 distance=72' 13110+5732 LDS2668 distance=82' 12540+5558 BLM 2 (Alioth) distance=87' 12561+5540 LDS3068 distance=90' 12584+5822 HJ 2628 distance=94' 12550+5810 STF1691AB distance=95' 12550+5810 STF1691AC distance=95' 13136+5643 STTA122BC distance=95' 13136+5643 STTA122AB distance=96' 13136+5643 MET 62AD distance=96' 13136+5643 STTA122AC distance=96' 13136+5643 SHY 246AE distance=96' 13136+5643 SHY 246AF distance=96' 12546+5819 WIS 207 distance=105' 12579+5834 UC 2440 distance=106' 12487+5640 TDS8534 distance=111' 12483+5653 LDS2660 distance=114' 13161+5705 HDS1861 distance=116' 13138+5550 CVR1496 distance=117' 13054+5452 UC 182 distance=125' 13126+5827 STF1732AB distance=127' 13126+5827 BU 1434BC distance=127' 13084+5850 LDS2666 distance=128' 13099+5504 GRV1155 distance=129' 13006+5904 FAR 15 distance=132' 12541+5500 LDS3067 distance=132' 12591+5441 LDS3069 distance=135' 12511+5838 STI 750 distance=136' 12583+5909 OSW 12 distance=139' 13077+5441 MLB 170 distance=141' 13098+5448 TDS8712 distance=142' 12449+5718 LDS1336 distance=143' 13114+5856 CBL 413 distance=144' 13142+5841 LDS2672 distance=146' 13174+5812 MLB 69 distance=146' 12501+5506 GJ 3753AB distance=148' 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 13020+5654 HJ 2631 253 34.4
Show 13026+5625 KR 41 333 3.5 29
Show 12584+5705 A 1604 328 2.6 32
Show 13007+5622 BU 1082 141 0.7 34
Show 13042+5615 MLR 554 145 0.6 43
Show 12599+5736 STI2292 72 12.9 46
Show 13004+5746 UC 2449 142 10.9 54
Show 12556+5706 MLR 553 188 0.5 54
Show 13069+5612 UC 2483 344 9.9 58
Show 13048+5555 WOR 23 163 2.0 64
Show 12569+5744 MLR 500 AB 254 0.1 66
Show 12569+5744 MLR 500 AC 272 9.6 66
Show 12556+5613 LDS1343 BC 207 5.9 67
Show 12556+5613 DAM 711 AB 47 60.3 68
Show 13008+5545 STI2293 115 9.6 70
Show 12581+5758 LDS1350 182 2.8 72
Show 13110+5732 LDS2668 309 5.4 82
Show Alioth 12540+5558 BLM 2 60 0.1 87
Show 12561+5540 LDS3068 349 14.1 90
Show 12584+5822 HJ 2628 26 31.1 94
Show 12550+5810 STF1691 AB 275 18.5 95
Show 12550+5810 STF1691 AC 84 130.3 95
Show 13136+5643 STTA122 BC 246 64.6 95
Show 13136+5643 STTA122 AB 216 126.0 96
Show 13136+5643 MET 62 AD 359 1.6 96
Show 13136+5643 STTA122 AC 226 184.8 96
Show 13136+5643 SHY 246 AE 48 999.9 96
Show 13136+5643 SHY 246 AF 255 999.9 96
Show 12546+5819 WIS 207 120 999.9 105
Show 12579+5834 UC 2440 72 56.1 106
Show 12487+5640 TDS8534 271 2.6 111
Show 12483+5653 LDS2660 129 83.3 114
Show 13161+5705 HDS1861 141 0.7 116
Show 13138+5550 CVR1496 309 3.8 117
Show 13054+5452 UC 182 184 43.3 125
Show 13126+5827 STF1732 AB 127 25.7 127
Show 13126+5827 BU 1434 BC 288 2.2 127
Show 13084+5850 LDS2666 29 174.5 128
Show 13099+5504 GRV1155 273 13.0 129
Show 13006+5904 FAR 15 237 16.1 132
Show 12541+5500 LDS3067 278 10.8 132
Show 12591+5441 LDS3069 169 54.3 135
Show 12511+5838 STI 750 142 3.4 136
Show 12583+5909 OSW 12 357 25.3 139
Show 13077+5441 MLB 170 272 3.7 141
Show 13098+5448 TDS8712 18 1.9 142
Show 12449+5718 LDS1336 10 236.1 143
Show 13114+5856 CBL 413 235 34.1 144
Show 13142+5841 LDS2672 146 2.6 146
Show 13174+5812 MLB 69 38 4.0 146
Show 12501+5506 GJ 3753 AB 307 2.6 148

 
 
WDS 13020+5654 : COMPONENTS
 
 
  A
B pa=240.0°
sep=20.71"
 
 
13020+5654 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 130202.15+565343.7 Mag 10.03 Spectral class F8 (yellow-white)
PmRA 44.00 PmDE -58.0 SAO 28607 Tycho2 3845-01144-1
HD 238183 DM BD+57 1412
Tycho2
Tycho2 3845-01144-1 Pflag RAmdeg 195.50898675 DEmdeg 56.89547508
PmRA 43.3 PmDE -58.0 E RAmdeg 18 E DEmdeg 16
E pmRA 1.8 E pmDE 1.8 EpRAm 1989.05 EpDEm 1989.26
Num 7 Q RAmdeg 1.4 Q DEmdeg 0.2 Q pmRA 1.4
Q pmDE 0.2 BTmag 10.772 E BTmag 0.036 VTmag 10.027
E VTmag 0.027 Prox 999 TYC T HIP
CCDM RAdeg 195.50880667 DEdeg 56.89560944 EpRA 1990 1.64
EpDE 1990 1.66 E RAdeg 19.0 E DEdeg 17.3 Posflg
Corr -0.1
SAO
SAO 28607 DelFlag RA1950 PmRA1950 0.005
DE1950 PmDE1950 -0.06 Vmag 9.3 SpType F8
Double code Source 38 CatNum 7408 DM BD+57 1412
DMcomp BDsup HD 238183 M HD 0
GC RA1950rad 3.40304497 DE1950rad 0.997714 PmRA2000 0.0054
PmDE2000 -0.055
CCDM
Ccdm 13020+5654 RComp Comp A Note1
Note2 Discov num DRAs 2.12 DDEs -16.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.8 Sp F8 PmNote *
PmRA 44 PmDE -58 Dm number +57 1412 Cat1 BD
Name2 +57 886 Cat2 AGK2/3 HD 238183 M HD
ADS BDS B 6357 M ADS BDS N IDS IDS 12577N5727A
HIC
 
 
13020+5654 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 130159.96+565333.3 Mag 13.56 PmRA -28.00
PmDE -4.0 Calc delta mag 3.53 Calc coord yes
CCDM
Ccdm 13020+5654 RComp Comp B Note1
Note2 Discov num HJ 2631 DRAs DDEs
R dRAs Year 1908 Theta 238 Rho 30.9
Obs 2 Vmag 13.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B 6357 M ADS BDS N IDS IDS 12577N5727B
HIC