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Doubles in session


Current system
18029+5626
STF 2278 BC


Nearby doubles
13' : 18025+5638
LDS4772

17' : 18005+5624
SZM 1

35' : 18027+5552
ES 79AB

40' : 18077+5632
SLE 139

42' : 18053+5550
SLE 137

44' : 18077+5608
SLE 140

47' : 18004+5704
STI2364

57' : 17562+5621
LDS4768

65' : 18086+5710
TDT 704

69' : 17554+5558
HJL1097

82' : 18075+5514
STI2369

82' : 17535+5652
LDS1457
Grumium

86' : 17563+5731
ES 1744

88' : 18127+5557
ES 643

92' : 18138+5646
TDT 747

95' : 17530+5713
MLB 75

96' : 18007+5453
ES 640

99' : 18106+5512
STI2370

101' : 17571+5755
STI2363

105' : 18140+5717
TDT 751

107' : 17510+5709
STI2360

109' : 17556+5458
CVR 866

113' : 18048+5435
ES 641

116' : 18154+5720
HDS2577

118' : 18132+5749
HDS2571

119' : 17511+5523
HO 71



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.

18029+5626 STF 2278 BC

 
 
18h 02m 54.92s +56° 26' 12.4" P.A. 146.00 sep 6.0 mag 8.14,8.53 Sp A0 dist. 187.62 pc (612.02 l.y.)
 
 
Coord 2000 18029+5626 Discov num STF2278 Comp BC Coord arcsec 2000 18 02 54.92 +56 26 12.4
Date first 1828 Date last 2018 Obs 87
Pa first 145 Pa last 146.1 P.A. Now (θ) 146.1°
Sep first 6.5 Sep last 6.036 Sep. Now (ρ) 6.036"
Mag pri 8.14 Mag sec 8.53 delta mag (ΔM) 0.39 Spectral class A0 (white)
Pri motion ra +004 Sec motion ra +001
Pri motion dec +013 Sec motion dec +012
Notes N (See Notes)
rPM=0.232 (< 0.3, Physical double)
This double is physical.
 
 
18029+5626 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 165502 30715 18 02 53 +56 25 40 STF 2278 AB 2022 94 31 35.1 7.78 8.14 0.36
Show 30715 18 02 53 +56 25 40 STF 2278 AC 2017 45 38 33.6 7.78 8.53 0.75
Show 30715 18 02 53 +56 25 40 STF 2278 AD 2022 19 189 197.9 7.78 10.19 2.41
Show 30715 18 02 53 +56 25 40 SLE 128 AE 2022 9 279 46.4 7.78 13.18 5.40
Show 30715 18 02 53 +56 25 40 SLE 128 AF 2022 10 278 85.2 7.78 12.72 4.94
Show 30715 18 02 53 +56 25 40 SLE 128 AG 2022 11 250 127.2 7.78 11.96 4.18
Show 30716 18 02 55 +56 26 12 STF 2278 BC 2018 87 146 6.0 8.14 8.53 0.39 <===
Show 18 02 49 +56 22 24 STF 2278 DS 2022 13 213 6.7 10.19 14.60 4.41
Octuple system
8 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Draco SAO 30716 HIP 88385 Tycho2 3911-00397-1
Gaia DR2 2150403542863506944 HD 165501 GC 24615 BD BD+56 2060
Distance 187.62 Distance ly 612.02
 
 
WDS 18029+5626 STF 2278 BC : NOTES
 
 
discov_num notes refcode
STF2278 STTA166.
AB: The BD numbers of A and B may be reversed. D is reversed.
DS: Also known as ES 1745.
 
 
REFERENCES
 
 
refcode metd author reference
Sle1966 Mc j Soulie, G. 1966JO.....49..359S
Sle1966 +Pa J. Obs. 49, 359, 1966
Sle1983 Pa - Soulie, G. 1983A&AS...54..281S
Sle1983 A&AS 54, 281, 1983
Sle1984 Pa - Soulie, G. 1984A&AS...56..351S
Sle1984 A&AS 56, 351, 1984
Sle1985 Pa - Soulie, G. 1985A&AS...61...17S
Sle1985 A&AS 61, 17, 1985
Sle1986a Pa - Soulie, G. .
Sle1986a Bull. Inf. Cent. Donnes Stell. #30, 91, 1986
Sle1986b Pa - Soulie, G. .
Sle1986b Bull. Inf. Cent. Donnes Stell. #30, 103, 1986
Sle2003 C j Soulie, G. 2003O&T....56...10S
Sle2003 Obs. et Travaux 56, 10, 2003
Sle2006 Pa - Soulie, G. 2006O&T....62...26S
Sle2006 Obs. et Travaux 62, 26, 2006
Sle2006b Pa j Soulie, G. 2006O&T....63...15S
Sle2006b Obs. et Travaux 63, 15, 2006
Sle2007 C j Soulie, G. 2007O&T....65...34S
Sle2007 Obs. et Travaux 65, 34, 2007
STFA (F. Struve DD - Appendix list #1) ...................
STFB (F. Struve DD - Appendix list #2) ...................
StF1833A Ma - Struve, F.G.W. 1833MmRAS...5...13H
StF1833A +Mc cited by Herschel (MemRAS 5, 13, 1833)
StF1833B Ma - Struve, F.G.W. 1833AN.....10..389B
StF1833B cited by Bessel (AN 10, 389, 1833)
StF1837 Ma - Struve, F.G.W. 1837AN.....14...249
StF1837 Stellarum duplicium et multiplicium mensurae micrometricae...
StF1837 (Dorpat, Academiae scientiarum caesareae petropolitaneifique), 1837
StF1844A Ma - Struve, F.G.W. 1844QB43.S66.......
StF1844A cited by Smyth (Cycle of Celestial Objects 2, 1844)
StF1852A Ma - Struve, F.G.W. .
StF1852A cited by Bishop (Bishop Obs. Astron. Observations 1852)
StF1865A Ma - Struve, F.G.W. 1865AN.....64...81E
StF1865A cited by Engelmann (AN 64, 81, #1518, 1865)
StF1875A Ma - Struve, F.G.W. 1875AN.....85..323D
StF1875A cited by Doberck, 1875 (see Dob1875b,f,g,h)
StF1878 Ma - Struve, F.G.W. .
StF1878 Pulkova Observations 9, 1878
StF1878B Ma - Struve, F.G.W. 1878Obs.....2..239G
StF1878B cited by Gledhill (Obs 2, 239, 1878)
StF1880A Ma - Struve, F.G.W. 1880Obs.....3..535G
StF1880A cited by Gledhill (Obs 3, 535, 1880)
StF1906A Ma - Struve, F.G.W. 1906QB821.B972.....
StF1906A cited in BDS (Burnham Double Star Cat.), 1906
StF1906B Ma - Struve, F.G.W. 1906MmRAS..56....1L
StF1906B cited by Lewis (MemRAS 56, 1, 1906)
StF1922A Ma - Struve, F.G.W. 1922AN....216...49R
StF1922A cited by Rabe (AN 216, 49, 1922)
StF1932A Ma - Struve, F.G.W. 1932QB821.A43......
StF1932A cited in ADS (Aitken Double Star Cat.), 1932
StF2002 - - Weis, J.
StF2002 F. G. W. Struve's double stars : the Dorpat catalogue; the Pulkovo catalogue
StF2002 USNO Library : QB 821 .S8 W49 2002
StF2022 - - email note from Jan Weis: 6 July 2022
StF9999 Ma - Struve, F.G.W. ...................
StF9999 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
18029+5626 STF2278 BC 2006 78 146 6.0 8.14 8.53 A0 N D 180254.92+562612.4
18029+5626 STF2278 BC 2008 79 146 6.0 8.14 8.53 A0 N D 180254.92+562612.4
18029+5626 STF2278 BC 2010 80 146 6.0 8.14 8.53 A0 N D 180254.92+562612.4
18029+5626 STF2278 BC 2017 82 147 6.0 8.14 8.53 A0 N 180254.92+562612.4
18029+5626 STF2278 BC 2018 84 147 6.0 8.14 8.53 A0 N 180254.92+562612.4

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

 
 
WDS 18029+5626 STF 2278 BC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18029+5626 STF 2278 BC : MEASURES
 
 
No records found.

 
 
WDS 18029+5626 : VIRTUAL EYEPIECE
 
 

18029+5626 STF2278A mag 7.78 Sp A9V 18029+5626 STF2278B sep 36.3 P.A. 27.80 mag 8.14 Sp A0 18029+5626 STF2278C sep 28.9 P.A. 23.30 mag 8.53 18029+5626 STF2278D sep 198.3 P.A. 189.00 mag 10.19 Sp K0 18029+5626 SLE 128E sep 26.4 P.A. 286.00 mag 13.18 18029+5626 SLE 128F sep 48.0 P.A. 283.40 mag 12.72 18029+5626 SLE 128G sep 79.1 P.A. 236.60 mag 11.96 18029+5626 STF2278S sep 204.2 P.A. 189.30 mag 14.6 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 18029+5626 : ALADIN DSS IMAGE @ 18h 02m 54.92s +56° 26' 12.4"
 
 
 
 
WDS 18029+5626 STF 2278 BC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18029+5626 STF2278BC distance=0' 18029+5626 STF2278AB distance=1' 18029+5626 STF2278AD distance=1' 18029+5626 SLE 128AE distance=1' 18029+5626 SLE 128AF distance=1' 18029+5626 SLE 128AG distance=1' 18029+5626 STF2278AC distance=1' 18029+5626 STF2278DS distance=4' 18025+5638 LDS4772 distance=13' 18005+5624 SZM 1 distance=17' 18027+5552 ES 79AB distance=35' 18027+5552 ES 79AC distance=35' 18077+5632 SLE 139 distance=40' 18053+5550 SLE 137 distance=42' 18077+5608 SLE 140 distance=44' 18004+5704 STI2364 distance=47' 17562+5621 LDS4768 distance=57' 18086+5710 TDT 704 distance=65' 17554+5558 HJL1097 distance=69' 18075+5514 STI2369 distance=82' 17535+5652 LDS1457 (Grumium) distance=82' 17563+5731 ES 1744 distance=86' 18127+5557 ES 643 distance=88' 18138+5646 TDT 747 distance=92' 17530+5713 MLB 75 distance=95' 18007+5453 ES 640 distance=96' 18147+5635 BU 1274BC distance=97' 18147+5635 BU 1274BD distance=97' 18147+5635 BU 1274A,BC distance=98' 18106+5512 STI2370 distance=99' 17571+5755 STI2363 distance=101' 18140+5717 TDT 751 distance=105' 17510+5709 STI2360 distance=107' 17556+5458 CVR 866 distance=109' 18048+5435 ES 641 distance=113' 18154+5720 HDS2577 distance=116' 18132+5749 HDS2571 distance=118' 17511+5523 HO 71 distance=119' 17566+5813 ES 20 distance=120' 18174+5604 KPP4101BD distance=122' 18174+5604 KPP4101AB distance=123' 18174+5604 KPP4101AC distance=123' 17480+5707 MLB1077AB distance=130' 17480+5707 MLB1077AC distance=130' 18127+5446 MLR 585 distance=130' 17598+5416 ES 780 distance=134' 17536+5816 STI2361 distance=134' 18006+5841 STI2366 distance=137' 17462+5613 STI2357 distance=141' 18064+5408 UC 3494 distance=141' 18026+5358 ES 781 distance=149' 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 18029+5626 STF2278 BC 146 6.0
Show 18029+5626 STF2278 AB 31 35.1 1
Show 18029+5626 STF2278 AD 189 197.9 1
Show 18029+5626 SLE 128 AE 279 46.4 1
Show 18029+5626 SLE 128 AF 278 85.2 1
Show 18029+5626 SLE 128 AG 250 127.2 1
Show 18029+5626 STF2278 AC 38 33.6 1
Show 18029+5626 STF2278 DS 213 6.7 4
Show 18025+5638 LDS4772 346 9.9 13
Show 18005+5624 SZM 1 87 20.4 17
Show 18027+5552 ES 79 AB 56 6.3 35
Show 18027+5552 ES 79 AC 93 24.6 35
Show 18077+5632 SLE 139 333 6.6 40
Show 18053+5550 SLE 137 171 9.3 42
Show 18077+5608 SLE 140 166 6.8 44
Show 18004+5704 STI2364 299 16.8 47
Show 17562+5621 LDS4768 55 24.1 57
Show 18086+5710 TDT 704 305 0.6 65
Show 17554+5558 HJL1097 49 351.6 69
Show 18075+5514 STI2369 188 15.4 82
Show Grumium 17535+5652 LDS1457 290 315.7 82
Show 17563+5731 ES 1744 266 7.4 86
Show 18127+5557 ES 643 49 3.9 88
Show 18138+5646 TDT 747 140 1.0 92
Show 17530+5713 MLB 75 324 2.9 95
Show 18007+5453 ES 640 77 8.4 96
Show 18147+5635 BU 1274 BC 144 1.0 97
Show 18147+5635 BU 1274 BD 5 5.3 97
Show 18147+5635 BU 1274 A,BC 238 93.7 98
Show 18106+5512 STI2370 295 5.4 99
Show 17571+5755 STI2363 279 14.4 101
Show 18140+5717 TDT 751 20 0.7 105
Show 17510+5709 STI2360 232 9.9 107
Show 17556+5458 CVR 866 359 11.8 109
Show 18048+5435 ES 641 64 2.1 113
Show 18154+5720 HDS2577 330 0.2 116
Show 18132+5749 HDS2571 310 0.3 118
Show 17511+5523 HO 71 226 3.8 119
Show 17566+5813 ES 20 210 17.4 120
Show 18174+5604 KPP4101 BD 133 7.6 122
Show 18174+5604 KPP4101 AB 327 53.1 123
Show 18174+5604 KPP4101 AC 326 56.8 123
Show 17480+5707 MLB1077 AB 215 4.3 130
Show 17480+5707 MLB1077 AC 28 23.5 130
Show 18127+5446 MLR 585 335 0.4 130
Show 17598+5416 ES 780 124 4.0 134
Show 17536+5816 STI2361 11 4.4 134
Show 18006+5841 STI2366 297 8.8 137
Show 17462+5613 STI2357 171 11.9 141
Show 18064+5408 UC 3494 285 22.6 141
Show 18026+5358 ES 781 281 4.3 149

 
 
WDS 18029+5626 : COMPONENTS
 
 
  A B C D E F G
B pa=27.8°
sep=36.29"
 
C pa=23.3°
sep=28.86"
pa=224.6°
sep=7.85"
 
D pa=189.0°
sep=198.34"
pa=191.9°
sep=232.99"
pa=190.8°
sep=226.42"
 
E pa=286.0°
sep=26.37"
pa=239.6°
sep=49.02"
pa=242.4°
sep=41.49"
pa=1.6°
sep=203.24"
 
F pa=283.4°
sep=47.99"
pa=251.7°
sep=66.97"
pa=255.2°
sep=60.09"
pa=355.7°
sep=207.61"
pa=280.2°
sep=21.68"
 
G pa=236.6°
sep=79.13"
pa=227.7°
sep=112.28"
pa=227.9°
sep=104.44"
pa=347.0°
sep=156.39"
pa=218.8°
sep=65.09"
pa=199.6°
sep=57.96"
 
S pa=189.3°
sep=204.20"
pa=192.1°
sep=238.90"
pa=191.0°
sep=232.31"
pa=199.6°
sep=5.96"
pa=182.1°
sep=208.91"
pa=176.3°
sep=213.07"
pa=168.2°
sep=161.44"
 
 
18029+5626 A
 
 
Name HD 165502 Coord arcsec 2000 180252.88+562540.3 Mag 7.78 Spectral class A9V (white)
PmRA -21.00 PmDE 39.0 SAO 30715 HIP 88381
Tycho2 3911-01862-1 HD 165502 GC 24613 BD BD+56 2061
Tycho2
Tycho2 3911-01862-1 Pflag RAmdeg 270.72026007 DEmdeg 56.42795726
PmRA -16.9 PmDE 37.5 E RAmdeg 6 E DEmdeg 6
E pmRA 1.3 E pmDE 1.5 EpRAm 1991.14 EpDEm 1991.32
Num 10 Q RAmdeg 0.7 Q DEmdeg 1.5 Q pmRA 0.6
Q pmDE 1.4 BTmag 8.055 E BTmag 0.016 VTmag 7.785
E VTmag 0.012 Prox 338 TYC T HIP 88381
CCDM RAdeg 270.72033194 DEdeg 56.42787028 EpRA 1990 1.53
EpDE 1990 1.63 E RAdeg 5.6 E DEdeg 5.5 Posflg
Corr 0.1
SAO
SAO 30715 DelFlag RA1950 PmRA1950 -0.0035
DE1950 PmDE1950 0.049 Vmag 7.1 SpType A5
Double code Source 70 CatNum 24613 DM BD+56 2061
DMcomp BDsup HD 165502 M HD 0
GC 24613 RA1950rad 4.7210968 DE1950rad 0.98479249 PmRA2000 -0.0028
PmDE2000 0.049
Hipparcos
Catalog H HIP 88381 Proxy RAhms 18 02 52.88
DEdms +56 25 40.3 Vmag 7.79 VarFlag R Vmag G
RAdeg 270.72 DEdeg 56.4279 AstroRef Plx 7.72
CCDM 18029+5625 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 165502 BD BD+56 2061
CD CP Dm number +56 2061 VIred 0.31
SpType A5 R SpType Coord arcsec 2000 180252.88+562540.3
Hipparcos 2
HIP 88381 Sn 5 So 0 Nc 1
RArad 4.7249611776 DErad 0.9848519399 Plx 7.26 PmRA -18.35
PmDE 39.95 E RArad 0.53 E DErad 0.5 E Plx 0.56
E pmRA 0.65 E pmDE 0.53 Hpmag 7.8633 E Hpmag 0.0015
SHp 0.014 VA 0 BV 0.275 E BV 0.015
VI 0.31
 
 
18029+5626 B
 
 
Coord arcsec 2000 180254.92+562612.4 Coord calc 180254.92+562612.4 Mag 8.14 Spectral class A0 (white)
PmRA 4.00 PmDE 13.0 SAO 30716 HIP 88385
Tycho2 3911-00397-1 HD 165501 GC 24615 BD BD+56 2060
Calc delta mag 0.36
Tycho2
Tycho2 3911-00397-1 Pflag RAmdeg 270.72882045 DEmdeg 56.43680577
PmRA -7.9 PmDE 17.4 E RAmdeg 7 E DEmdeg 7
E pmRA 1.5 E pmDE 1.6 EpRAm 1991.27 EpDEm 1991.21
Num 6 Q RAmdeg 5.3 Q DEmdeg 2.9 Q pmRA 5.4
Q pmDE 2.8 BTmag 8.253 E BTmag 0.017 VTmag 8.141
E VTmag 0.014 Prox 60 TYC HIP 88385
CCDM B RAdeg 270.72885306 DEdeg 56.43676528 EpRA 1990 1.66
EpDE 1990 1.57 E RAdeg 6.6 E DEdeg 7.4 Posflg
Corr -0.3
SAO
SAO 30716 DelFlag RA1950 PmRA1950 -0.0021
DE1950 PmDE1950 0 Vmag 7.6 SpType A0
Double code Source 70 CatNum 24615 DM BD+56 2060
DMcomp B BDsup HD 165501 M HD 0
GC 24615 RA1950rad 4.72123665 DE1950rad 0.9849484 PmRA2000 -0.0013
PmDE2000 0
Hipparcos
Catalog H HIP 88385 Proxy H RAhms 18 02 54.92
DEdms +56 26 12.4 Vmag 7.62 VarFlag R Vmag H
RAdeg 270.729 DEdeg 56.4368 AstroRef B Plx 5.39
CCDM 18029+5625 N CCDM I Nsys 2 Ncomp 2
MultFlag C Source Qual A M HIP BC
Theta 146 Rho 6.05 HD 165501 BD BD+56 2060
CD CP Dm number +56 2060 VIred 0.22
SpType A0+... R SpType Coord arcsec 2000 180254.92+562612.4
Hipparcos 2
HIP 88385 Sn 15 So 3 Nc 2
RArad 4.7251096752 DErad 0.985007483 Plx 5.33 PmRA 1.92
PmDE 12.76 E RArad 0.87 E DErad 0.63 E Plx 0.84
E pmRA 0.83 E pmDE 0.76 Hpmag 7.6836 E Hpmag 0.0015
SHp 0.014 VA 0 BV 0 E BV 0
VI 0
 
 
18029+5626 C
 
 
Coord arcsec 2000 180254.26+562606.8 Mag 8.53 PmRA 1.00 PmDE 12.0
Tycho2 3911-01953-1 Calc delta mag 0.75 Calc coord yes
Tycho2
Tycho2 3911-01953-1 Pflag RAmdeg 270.73057788 DEmdeg 56.43540914
PmRA 5.7 PmDE 11.9 E RAmdeg 9 E DEmdeg 9
E pmRA 1.8 E pmDE 1.7 EpRAm 1991.32 EpDEm 1991.21
Num 7 Q RAmdeg 1.7 Q DEmdeg 2.2 Q pmRA 1.7
Q pmDE 2.3 BTmag 8.849 E BTmag 0.019 VTmag 8.525
E VTmag 0.016 Prox 60 TYC HIP 88385
CCDM C RAdeg 270.73055417 DEdeg 56.43538111 EpRA 1990 1.69
EpDE 1990 1.63 E RAdeg 8.7 E DEdeg 9.4 Posflg
Corr -0.4
 
 
18029+5626 D
 
 
Coord arcsec 2000 180249.14+562224.4 Coord calc 180249.14+562224.4 Mag 10.19 Spectral class K0 (yellow-orange)
PmRA 65.00 PmDE 95.0 Tycho2 3911-00452-1 HD 238802
Calc delta mag 2.41
Tycho2
Tycho2 3911-00452-1 Pflag RAmdeg 270.70476276 DEmdeg 56.37344954
PmRA 40.5 PmDE 63.7 E RAmdeg 22 E DEmdeg 21
E pmRA 1.8 E pmDE 1.9 EpRAm 1986.93 EpDEm 1987.67
Num 7 Q RAmdeg 3.6 Q DEmdeg 3.2 Q pmRA 3.7
Q pmDE 3.2 BTmag 10.880 E BTmag 0.050 VTmag 10.192
E VTmag 0.036 Prox 999 TYC T HIP
CCDM RAdeg 270.70463500 DEdeg 56.37331972 EpRA 1990 1.57
EpDE 1990 1.63 E RAdeg 25.9 E DEdeg 24.2 Posflg
Corr 0.1
 
 
18029+5626 E
 
 
Coord arcsec 2000 180249.82+562547.6 Mag 13.18 PmRA -32.00 PmDE -7.0
Calc delta mag 5.4 Calc coord yes
 
 
18029+5626 F
 
 
Coord arcsec 2000 180247.25+562551.4 Mag 12.72 PmRA -5.00 PmDE 10.0
Calc delta mag 4.94 Calc coord yes
 
 
18029+5626 G
 
 
Coord arcsec 2000 180244.91+562456.8 Mag 11.96 PmRA 2.00 PmDE 21.0
Calc delta mag 4.18 Calc coord yes
 
 
18029+5626 S
 
 
Coord arcsec 2000 180248.90+562218.8 Mag 14.6 PmRA -6.00 PmDE 9.0
Calc delta mag 6.82 Calc coord yes