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Doubles in session


Current system
21028+4551
BU 1138 CE


Nearby doubles
23' : 21012+4609
STT 426AB

26' : 21046+4541
ES 1168

26' : 21037+4616
TDT2719

31' : 21010+4528
ES 1271

34' : 21051+4615
BRT1141

38' : 21044+4626
DAL 49

39' : 21032+4631
TDT2714

40' : 21046+4627
BRT1140

40' : 20599+4525
HEI 15

42' : 21044+4631
HDS3001

43' : 21062+4535
LDS2487

46' : 21067+4538
TDT2754

46' : 21008+4635
BU 156

48' : 21022+4506
LDS2481

49' : 21022+4641
ES 1167AB

55' : 20585+4626
TDT2667

55' : 20579+4532
ES 677

56' : 20578+4530
ES 676

57' : 21067+4631
SMA 125AB

60' : 21037+4652
YSC 14

65' : 21075+4515
HJ 1615

70' : 20571+4632
TDT2653

70' : 21083+4630
BRT1143

72' : 20562+4615
A 753AB

73' : 20597+4658
ES 1166

74' : 21051+4444
SMA 124



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.

21028+4551 BU 1138 CE

 
 
21h 02m 40.75s +45° 53' 05.1" P.A. 249.00 sep 23.6 mag 7.82,12.38 Sp K2 dist. 19.47 pc (63.51 l.y.)
 
 
Coord 2000 21028+4551 Discov num BU 1138 Comp CE Coord arcsec 2000 21 02 40.75 +45 53 05.1
Date first 1908 Date last 2003 Obs 8
Pa first 68 Pa last 249.3 P.A. Now (θ) 249.3°
Sep first 17.1 Sep last 23.634 Sep. Now (ρ) 23.634"
Mag pri 7.82 Mag sec 12.38 delta mag (ΔM) 4.56 Spectral class K2 (yellow-orange)
Pri motion ra +404 Sec motion ra +076
Pri motion dec +141 Sec motion dec +022
Notes N L U (See Notes, Linear solution, Proper motion indicates non-physical)
rPM=0.815
This double is not physical.
 
 
21028+4551 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 50390 21 02 49 +45 50 56 BU 1138 AB 2006 57 172 0.1 7.10 7.30 0.20 Y
Show HD 200595 50390 21 02 49 +45 50 56 BU 1138 AC 2012 21 330 152.1 6.46 7.82 1.36
Show 50388 21 02 41 +45 53 05 KUI 104 CD 2017 17 85 2.7 7.82 13.40 5.58
Show 50388 21 02 41 +45 53 05 BU 1138 CE 2003 8 249 23.6 7.82 12.38 4.56 <===
Show 50388 21 02 41 +45 53 05 FYM 331 CF 2017 6 39 11.9 7.82 15.70 7.88
Show 50388 21 02 41 +45 53 05 HLA 30 CG 2016 1 148 7.3 5.40 14.30 8.90
Septuple system
7 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name V2436 Cyg Constellation Cygnus SAO 50388 HIP 103859
Tycho2 3588-03634-1 HD 200560 GL Gl 816.1A BD BD+45 3371
Distance 19.47 Distance ly 63.51
 
 
WDS 21028+4551 BU 1138 CE : NOTES
 
 
discov_num notes refcode
BU 1138 Called a spectroscopic binary in BSC. This may be due to motion in the
close visual pair.
AB: Additional notes may be found in Muller (1955). Mlr1955c
AC: Optical pair, based on study of relative motion of the components
using the method of apparent motion parameters. Kiy2008
KUI 104 CD: C is at 21 02.6 +45 53. CE is optical.
BU 1138 AB: Rectilinear solution by Friedman et al. (2011). USN2011b
CE: Rectilinear solution by Friedman et al. (2011). USN2011a
 
 
REFERENCES
 
 
refcode metd author reference
Kiy2008 - Kiyaeva, O.V., Kiselev, A.A. & Izmailov, I.S. 2008SvAL...32..405K
Kiy2008 SvAL 34, 405, 2008
Mlr1955c Mc - Muller, P. 1955JO.....38..221M
Mlr1955c J. Obs. 38, 221, 1955
USN2011a lin - Friedman, E.A., Mason, B.D., & Hartkopf, W.I. 2011IAUDS.175....1F
USN2011a Inf. Circ. 175, 1, 2011
USN2011b lin - Friedman, E.A., Hartkopf, W.I., & Mason, B.D. ...................
USN2011b private communication, 2011
 
 
DISCOVERER
 
 
idgroup discov author
1 BU Burnham, S.W. (BU 1 - 81)
179 FYM Fay, M.
206 HLA Hirsch, L.A., Ciardi, D.R., Howards, A.W., Marcy, G.W., Ruane, G., Gonzalez, E.,
206 HLA Blunt, S., Crepp, J.R., Fulton, B.J., Isaacson, H., Kosiarek, M., Mawet, D.,
206 HLA Sinukoff, E. & Weiss, L.
207 HLA Hirsch, L.A., Rosenthal, L., Fulton, B.J., Howard, A.W., Ciardi, D.R., Marcy, G.W.,
207 HLA Nielsen, E., Petigura, E.A., de Rosa, R.J., Isaacson, H., Weiss, L.M., Sinukoff, E.
209 KUI Kuiper, G.P., Schilt, van den Bos, W., and van Gent
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21028+4551 BU 1138 CE 1962 6 250 5.6 7.82 13.00 N 210240.75+455305.1
21028+4551 BU 1138 CE 2003 9 249 23.6 7.82 12.38 K2 NL 210240.75+455305.1

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

 
 
WDS 21028+4551 BU 1138 CE : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21028+4551 BU 1138 CE : MEASURES
 
 
No records found.

 
 
WDS 21028+4551 : VIRTUAL EYEPIECE
 
 

21028+4551 BU 1138A mag 7.1 Sp B3Vn 21028+4551 BU 1138B sep 0.1 P.A. 174.30 mag 7.3 21028+4551 KUI 104C sep 153.1 P.A. 327.50 mag 7.82 Sp K2 21028+4551 KUI 104D sep 152.3 P.A. 328.10 mag 13.4 21028+4551 BU 1138E sep 155.3 P.A. 321.00 mag 12.38 21028+4551 FYM 331F sep 158.4 P.A. 330.90 mag 15.7 21028+4551 HLA 30G sep 146.3 P.A. 327.10 mag 14.3 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 21028+4551 : ALADIN DSS IMAGE @ 21h 02m 40.75s +45° 53' 05.1"
 
 
 
 
WDS 21028+4551 BU 1138 CE : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21028+4551 BU 1138CE distance=0' 21028+4551 BU 1138AB distance=3' 21028+4551 BU 1138AC distance=3' 21012+4609 STT 426AB distance=23' 21012+4609 CIA 21Aa,Ab distance=23' 21046+4541 ES 1168 distance=26' 21037+4616 TDT2719 distance=26' 21010+4528 ES 1271 distance=31' 21051+4615 BRT1141 distance=34' 21044+4626 DAL 49 distance=38' 21032+4631 TDT2714 distance=39' 21046+4627 BRT1140 distance=40' 20599+4525 HEI 15 distance=40' 21044+4631 HDS3001 distance=42' 21062+4535 LDS2487 distance=43' 21067+4538 TDT2754 distance=46' 21008+4635 BU 156 distance=46' 21022+4506 LDS2481 distance=48' 21022+4641 ES 1167AB distance=49' 21022+4641 ES 1167AC distance=49' 20585+4626 TDT2667 distance=55' 20579+4532 ES 677 distance=55' 20578+4530 ES 676 distance=56' 21067+4631 SMA 125AB distance=57' 21067+4631 SMA 125AC distance=57' 21037+4652 YSC 14 distance=60' 21075+4515 HJ 1615 distance=65' 20571+4632 TDT2653 distance=70' 21083+4630 BRT1143 distance=70' 20562+4615 A 753AB distance=72' 20562+4615 A 753AB,C distance=72' 20597+4658 ES 1166 distance=73' 21061+4448 ROE 45BC distance=74' 21061+4448 ROE 45BF distance=74' 21061+4448 TDT2745Ca,Cb distance=74' 21061+4448 ROE 45CD distance=74' 21051+4444 SMA 124 distance=74' 21080+4504 SMA 126 distance=75' 21061+4448 ROE 45AB distance=75' 21061+4448 ROE 45AD distance=75' 20531+4615 HJ 1591 distance=75' 21061+4448 ROE 45DE distance=75' 21080+4500 TDT2774 distance=78' 21071+4459 LDS2489 distance=78' 21091+4635 TDT2785 distance=79' 21102+4603 SMA 131 distance=80' 21098+4624 SMA 128 distance=80' 21088+4646 SMA 127 distance=84' 21070+4704 BRT1142 distance=84' 21105+4538 BRT1145 distance=84' 20574+4451 LDS2472 distance=85' 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 21028+4551 KUI 104 CD 85 2.7
Show 21028+4551 FYM 331 CF 39 11.9
Show 21028+4551 BU 1138 CE 249 23.6
Show 21028+4551 HLA 30 CG 148 7.3
Show 21028+4551 BU 1138 AB 172 0.1 3
Show 21028+4551 BU 1138 AC 330 152.1 3
Show 21012+4609 STT 426 AB 159 2.9 23
Show 21012+4609 CIA 21 Aa,Ab 30 0.0 23
Show 21046+4541 ES 1168 118 1.4 26
Show 21037+4616 TDT2719 220 2.0 26
Show 21010+4528 ES 1271 26 3.1 31
Show 21051+4615 BRT1141 108 5.8 34
Show 21044+4626 DAL 49 147 12.1 38
Show 21032+4631 TDT2714 22 0.5 39
Show 21046+4627 BRT1140 207 4.6 40
Show 20599+4525 HEI 15 321 0.9 40
Show 21044+4631 HDS3001 94 18.4 42
Show 21062+4535 LDS2487 271 5.2 43
Show 21067+4538 TDT2754 233 0.5 46
Show 21008+4635 BU 156 235 0.9 46
Show 21022+4506 LDS2481 16 12.1 48
Show 21022+4641 ES 1167 AB 226 5.2 49
Show 21022+4641 ES 1167 AC 73 18.8 49
Show 20585+4626 TDT2667 17 1.1 55
Show 20579+4532 ES 677 160 5.8 55
Show 20578+4530 ES 676 293 7.6 56
Show 21067+4631 SMA 125 AB 87 22.2 57
Show 21067+4631 SMA 125 AC 198 15.0 57
Show 21037+4652 YSC 14 182 0.1 60
Show 21075+4515 HJ 1615 277 14.4 65
Show 20571+4632 TDT2653 301 2.3 70
Show 21083+4630 BRT1143 212 2.7 70
Show 20562+4615 A 753 AB 256 1.0 72
Show 20562+4615 A 753 AB,C 263 9.3 72
Show 20597+4658 ES 1166 114 1.6 73
Show 21061+4448 ROE 45 BC 238 123.3 74
Show 21061+4448 ROE 45 BF 312 10.8 74
Show 21061+4448 TDT2745 Ca,Cb 116 0.6 74
Show 21061+4448 ROE 45 CD 107 124.4 74
Show 21051+4444 SMA 124 72 9.2 74
Show 21080+4504 SMA 126 18 8.9 75
Show 21061+4448 ROE 45 AB 286 134.5 75
Show 21061+4448 ROE 45 AD 241 131.8 75
Show 20531+4615 HJ 1591 134 10.1 75
Show 21061+4448 ROE 45 DE 6 27.5 75
Show 21080+4500 TDT2774 173 1.8 78
Show 21071+4459 LDS2489 255 16.0 78
Show 21091+4635 TDT2785 68 2.6 79
Show 21102+4603 SMA 131 86 8.6 80
Show 21098+4624 SMA 128 170 12.3 80
Show 21088+4646 SMA 127 130 17.3 84

 
 
WDS 21028+4551 : COMPONENTS
 
 
  A B C D E F
B pa=174.3°
sep=0.07"
 
C pa=327.5°
sep=153.05"
pa=327.5°
sep=153.12"
 
D pa=328.1°
sep=152.26"
pa=328.1°
sep=152.33"
pa=83.0°
sep=1.86"
 
E pa=321.0°
sep=155.26"
pa=321.1°
sep=155.32"
pa=241.5°
sep=17.51"
pa=243.5°
sep=19.25"
 
F pa=330.9°
sep=158.40"
pa=330.9°
sep=158.46"
pa=29.0°
sep=10.62"
pa=20.0°
sep=9.64"
pa=49.3°
sep=27.07"
 
G pa=327.1°
sep=146.35"
pa=327.1°
sep=146.41"
pa=156.5°
sep=6.79"
pa=172.4°
sep=6.51"
pa=83.3°
sep=18.22"
pa=188.9°
sep=15.70"
 
 
21028+4551 A
 
 
Coord arcsec 2000 210248.62+455056.0 Mag 7.1 Spectral class B3Vn (blue-white) PmRA 9.00
PmDE 4.0 SAO 50390 HIP 103871 Tycho2 3588-12113-1
HD 200595 HR 8064 GC 29403 BD BD+45 3374
Tycho2
Tycho2 3588-12113-1 Pflag RAmdeg 315.70257918 DEmdeg 45.84889092
PmRA 3.1 PmDE -3.2 E RAmdeg 4 E DEmdeg 4
E pmRA 0.9 E pmDE 1.0 EpRAm 1991.32 EpDEm 1991.40
Num 11 Q RAmdeg 1.2 Q DEmdeg 1.2 Q pmRA 1.3
Q pmDE 1.3 BTmag 6.316 E BTmag 0.014 VTmag 6.464
E VTmag 0.010 Prox 999 TYC T HIP 103871
CCDM RAdeg 315.70256889 DEdeg 45.84889833 EpRA 1990 1.58
EpDE 1990 1.61 E RAdeg 3.5 E DEdeg 3.6 Posflg
Corr 0.0
SAO
SAO 50390 DelFlag RA1950 PmRA1950 -0.0008
DE1950 PmDE1950 0.002 Vmag 6.2 SpType B8
Double code Source 70 CatNum 29403 DM BD+45 3374
DMcomp BDsup HD 200595 M HD 0
GC 29403 RA1950rad 5.50235864 DE1950rad 0.7967512 PmRA2000 -0.0005
PmDE2000 -0.001
Hipparcos
Catalog H HIP 103871 Proxy RAhms 21 02 48.62
DEdms +45 50 56.0 Vmag 6.5 VarFlag R Vmag G
RAdeg 315.703 DEdeg 45.8489 AstroRef Plx 2.41
CCDM 21028+4552 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 200595 BD BD+45 3374
CD CP Dm number +45 3374 VIred -0.11
SpType B3Vn R SpType Coord arcsec 2000 210248.62+455056.0
Hipparcos 2
HIP 103871 Sn 5 So 0 Nc 1
RArad 5.5100492909 DErad 0.8002142534 Plx 2.5 PmRA 3.34
PmDE -4.61 E RArad 0.29 E DErad 0.25 E Plx 0.33
E pmRA 0.31 E pmDE 0.28 Hpmag 6.4575 E Hpmag 0.0006
SHp 0.006 VA 0 BV -0.124 E BV 0.002
VI -0.11
 
 
21028+4551 B
 
 
Coord arcsec 2000 210248.62+455055.9 Mag 7.3 Calc delta mag 0.2 Calc coord yes
 
 
21028+4551 C
 
 
Coord arcsec 2000 210240.75+455305.1 Coord calc 210240.75+455305.1 Mag 7.82 Spectral class K2 (yellow-orange)
PmRA 404.00 PmDE 141.0 SAO 50388 HIP 103859
Tycho2 3588-03634-1 HD 200560 GC 29398 BD BD+45 3371
Calc delta mag 0.72
Tycho2
Tycho2 3588-03634-1 Pflag RAmdeg 315.66979562 DEmdeg 45.88477054
PmRA 396.1 PmDE 141.0 E RAmdeg 5 E DEmdeg 6
E pmRA 0.8 E pmDE 0.8 EpRAm 1991.08 EpDEm 1990.88
Num 13 Q RAmdeg 1.4 Q DEmdeg 1.0 Q pmRA 1.4
Q pmDE 1.0 BTmag 8.952 E BTmag 0.017 VTmag 7.822
E VTmag 0.011 Prox 999 TYC T HIP 103859
CCDM RAdeg 315.66847750 DEdeg 45.88444222 EpRA 1990 1.66
EpDE 1990 1.62 E RAdeg 5.4 E DEdeg 6.0 Posflg
Corr -0.1
SAO
SAO 50388 DelFlag RA1950 PmRA1950 0.0352
DE1950 PmDE1950 0.149 Vmag 7.6 SpType K2
Double code Source 70 CatNum 29398 DM BD+45 3371
DMcomp BDsup HD 200560 M HD 0
GC 29398 RA1950rad 5.50165243 DE1950rad 0.79734586 PmRA2000 0.0356
PmDE2000 0.148
Hipparcos
Catalog H HIP 103859 Proxy RAhms 21 02 40.42
DEdms +45 53 03.9 Vmag 7.69 VarFlag R Vmag G
RAdeg 315.668 DEdeg 45.8844 AstroRef Plx 51.65
CCDM 21028+4552 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 200560 BD BD+45 3371
CD CP Dm number +45 3371 VIred 0.93
SpType K2 R SpType Coord arcsec 2000 210240.42+455303.9
Hipparcos 2
HIP 103859 Sn 5 So 0 Nc 1
RArad 5.5094531231 DErad 0.8008343403 Plx 51.36 PmRA 403.83
PmDE 140.93 E RArad 0.53 E DErad 0.48 E Plx 0.63
E pmRA 0.58 E pmDE 0.53 Hpmag 7.8372 E Hpmag 0.0018
SHp 0.016 VA 0 BV 0.97 E BV 0.016
VI 0.93
 
 
21028+4551 D
 
 
Coord arcsec 2000 210240.93+455305.3 Mag 13.4 Calc delta mag 6.3 Calc coord yes
 
 
21028+4551 E
 
 
Coord arcsec 2000 210239.28+455256.7 Mag 12.38 PmRA 76.00 PmDE 22.0
Calc delta mag 5.28 Calc coord yes
 
 
21028+4551 F
 
 
Coord arcsec 2000 210241.24+455314.4 Mag 15.7 Calc delta mag 8.6 Calc coord yes
 
 
21028+4551 G
 
 
Coord arcsec 2000 210241.01+455258.9 Mag 14.3 Calc delta mag 7.2 Calc coord yes