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Current system
21321+3412
HO 603 BC


Nearby doubles
14' : 21326+3401
KPP1585

20' : 21334+3419
TDT3029

23' : 21318+3349
STF2802

24' : 21322+3349
HEI 882

24' : 21302+3404
HJ 1652

32' : 21308+3440
SEI1522

32' : 21322+3341
ES 2383

34' : 21318+3338
KUI 124

37' : 21320+3448
COU1480

38' : 21308+3446
COU1479

40' : 21291+3357
ES 2263

41' : 21295+3438
TDT2993

45' : 21352+3431
TDT3044

49' : 21358+3423
GYL 62

50' : 21282+3355
TDT2982

51' : 21336+3325
TOB 222AB

56' : 21304+3504
HLD 45

57' : 21356+3446
COU1481

57' : 21279+3439
TDT2980

58' : 21284+3447
COU1638

61' : 21350+3324
TDT3042

62' : 21271+3402
ES 2262

62' : 21272+3428
TDT2975

66' : 21349+3505
GRV 478

67' : 21267+3413
ES 2261

70' : 21317+3302
GYL 63



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.

21321+3412 HO 603 BC

 
 
21h 31m 58.47s +34° 11' 39.8" P.A. 276.00 sep 3.6 mag 9.82,11.30 Sp G0
 
 
Coord 2000 21321+3412 Discov num HO  603 Comp BC Coord arcsec 2000 21 31 58.47 +34 11 39.8
Date first 1896 Date last 2016 Obs 15
Pa first 271 Pa last 275.9 P.A. Now (θ) 275.9°
Sep first 3.3 Sep last 3.624 Sep. Now (ρ) 3.624"
Mag pri 9.82 Mag sec 11.30 delta mag (ΔM) 1.48 Spectral class G0 (yellow)
Pri motion ra +026 Sec motion ra -015
Pri motion dec -005 Sec motion dec -001
Notes
rPM=1.556
This double is not physical.
 
 
21321+3412 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 205075 71434 21 32 05 +34 12 06 HO 603 AB 2015 17 251 80.6 7.53 9.82 2.29
Show 21 31 58 +34 11 40 HO 603 BC 2016 15 276 3.6 9.82 11.30 1.48 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2712-02138-1 Gaia DR2 1950395501527502720
 
 
WDS 21321+3412 HO 603 BC : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Ho_1883 Ma j Hough, G.W. 1883MNRAS..43..371H
Ho_1883 MNRAS 43, 371, 1883 (data also in Ho_1890) 1890AN....125....1H
Ho_1884 Ma j Hough, G.W. 1884MNRAS..44..365H
Ho_1884 MNRAS 44, 365, 1884 (data also in Ho_1890) 1890AN....125....1H
Ho_1885 Ma j Hough, G.W. 1885MNRAS..45..417H
Ho_1885 MNRAS 45, 417, 1885 (data also in Ho_1890) 1890AN....125....1H
Ho_1886 Ma j Hough, G.W. 1886MNRAS..46..393H
Ho_1886 MNRAS 46, 393, 1886 (data also in Ho_1890) 1890AN....125....1H
Ho_1887 Ma j Hough, G.W. 1887AN....116..273H
Ho_1887 AN 116, 273, 1887
Ho_1890 Ma j Hough, G.W. 1890AN....125....1H
Ho_1890 AN 125, 1, 1890
Ho_1890b Ma j Hough, G.W. 1890AJ......9..177H
Ho_1890b AJ 9, 177, 1890 (some data also in Ho_1890 or Ho_1894b) 1890AN....125....1H
Ho_1894a Ma - Hough, G.W. 1894MNRAS..54..251H
Ho_1894a MNRAS 54, 251, 1894
Ho_1894b Ma j Hough, G.W. (HO 304 - 490) 1894AN....135..281H
Ho_1894b AN 135, 281, 1894
Ho_1894c Ma - Hough, G.W. (measure by Dembowski, H.) 1894AN....135..281H
Ho_1894c AN 135, 281, 1894
Ho_1899a Ma j Hough, G.W. 1899AN....149..65H
Ho_1899a AN 149, 65, 1899
Ho_1899b Ma - Hough, G.W. (measure by Burnham, S.W.) 1899AN....149..65H
Ho_1899b AN 149, 65, 1899
Ho_1907 Ma - Hough, G.W. 1907PFAO....3c...1D
Ho_1907 Pub. Univ. Penn. 3, Pt. 3, 1907 (measures sent to Doolittle)
Ho_1932A Ma - Hough, G.W. 1932QB821.A43......
Ho_1932A cited in ADS, 1932 (unpublished measures sent to Aitken in manuscript by Fox)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21321+3412 HO 603 BC 1998 10 276 3.1 9.82 11.30 D 213158.47+341139.8
21321+3412 HO 603 BC 2009 11 275 3.6 9.82 11.30 D 213158.47+341139.8
21321+3412 HO 603 BC 2011 12 276 3.5 9.82 11.30 D 213158.47+341139.8
21321+3412 HO 603 BC 2015 14 276 3.6 9.82 11.30 G0 213158.47+341139.8
21321+3412 HO 603 BC 2016 15 276 3.6 9.82 11.30 G0 213158.47+341139.8

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

 
 
WDS 21321+3412 HO 603 BC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21321+3412 HO 603 BC : MEASURES
 
 
No records found.

 
 
WDS 21321+3412 : VIRTUAL EYEPIECE
 
 

21321+3412 HO 603A mag 7.53 Sp F0 21321+3412 HO 603B sep 80.6 P.A. 251.00 mag 9.82 Sp G0 21321+3412 HO 603C sep 83.3 P.A. 251.90 mag 11.3 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 21321+3412 : ALADIN DSS IMAGE @ 21h 31m 58.47s +34° 11' 39.8"
 
 
 
 
WDS 21321+3412 HO 603 BC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21321+3412 HO 603BC distance=0' 21321+3412 HO 603AB distance=2' 21326+3401 KPP1585 distance=14' 21334+3419 TDT3029 distance=20' 21318+3349 STF2802 distance=23' 21322+3349 HEI 882 distance=24' 21302+3404 HJ 1652 distance=24' 21308+3440 SEI1522 distance=32' 21322+3341 ES 2383 distance=32' 21318+3338 KUI 124 distance=34' 21320+3448 COU1480 distance=37' 21308+3446 COU1479 distance=38' 21291+3357 ES 2263 distance=40' 21295+3438 TDT2993 distance=41' 21352+3431 TDT3044 distance=45' 21358+3423 GYL 62 distance=49' 21282+3355 TDT2982 distance=50' 21336+3325 TOB 222AB distance=51' 21336+3325 TOB 222AC distance=51' 21336+3325 TOB 222AD distance=51' 21336+3325 GYL 59BD distance=51' 21304+3504 HLD 45 distance=56' 21356+3446 COU1481 distance=57' 21279+3439 TDT2980 distance=57' 21284+3447 COU1638 distance=58' 21350+3324 TDT3042 distance=61' 21271+3402 ES 2262 distance=62' 21272+3428 TDT2975 distance=62' 21349+3505 GRV 478 distance=66' 21267+3413 ES 2261 distance=67' 21317+3302 GYL 63 distance=70' 21267+3438 SEI1515 distance=71' 21299+3519 TDT2996 distance=72' 21360+3319 HJ 1664 distance=72' 21268+3337 ES 2382 distance=72' 21348+3304 GYL 61 distance=77' 21257+3422 GRV 465 distance=78' 21267+3329 TDT2973 distance=78' 21262+3339 TDT2964 distance=80' 21378+3337 KPP3423 distance=81' 21339+3530 TDT3033 distance=82' 21316+3535 TDS1132 distance=83' 21304+3250 ES 2318 distance=85' 21261+3457 TDT2962 distance=86' 21286+3255 TDT2984 distance=88' 21254+3446 TDS1128 distance=88' 21265+3315 HJ 935BC distance=88' 21265+3315 HJ 935AB distance=88' 21258+3329 GYL 56 distance=89' 21391+3356 COU1185AB distance=90' 21391+3356 WSI 120Ba,Bb distance=90' 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 21321+3412 HO 603 BC 276 3.6
Show 21321+3412 HO 603 AB 251 80.6 2
Show 21326+3401 KPP1585 342 12.0 14
Show 21334+3419 TDT3029 133 2.3 20
Show 21318+3349 STF2802 9 3.9 23
Show 21322+3349 HEI 882 182 2.0 24
Show 21302+3404 HJ 1652 26 15.4 24
Show 21308+3440 SEI1522 180 23.7 32
Show 21322+3341 ES 2383 44 5.2 32
Show 21318+3338 KUI 124 143 4.2 34
Show 21320+3448 COU1480 204 1.7 37
Show 21308+3446 COU1479 143 0.7 38
Show 21291+3357 ES 2263 28 2.8 40
Show 21295+3438 TDT2993 246 0.5 41
Show 21352+3431 TDT3044 63 0.6 45
Show 21358+3423 GYL 62 175 58.7 49
Show 21282+3355 TDT2982 358 1.8 50
Show 21336+3325 TOB 222 AB 119 20.8 51
Show 21336+3325 TOB 222 AC 335 22.1 51
Show 21336+3325 TOB 222 AD 68 26.4 51
Show 21336+3325 GYL 59 BD 17 21.0 51
Show 21304+3504 HLD 45 198 1.3 56
Show 21356+3446 COU1481 178 0.5 57
Show 21279+3439 TDT2980 235 2.3 57
Show 21284+3447 COU1638 226 1.3 58
Show 21350+3324 TDT3042 53 1.0 61
Show 21271+3402 ES 2262 74 1.3 62
Show 21272+3428 TDT2975 259 2.1 62
Show 21349+3505 GRV 478 134 28.6 66
Show 21267+3413 ES 2261 155 4.1 67
Show 21317+3302 GYL 63 306 15.7 70
Show 21267+3438 SEI1515 43 10.6 71
Show 21299+3519 TDT2996 122 1.3 72
Show 21360+3319 HJ 1664 83 9.4 72
Show 21268+3337 ES 2382 257 7.7 72
Show 21348+3304 GYL 61 188 47.6 77
Show 21257+3422 GRV 465 6 51.1 78
Show 21267+3329 TDT2973 330 0.5 78
Show 21262+3339 TDT2964 258 0.4 80
Show 21378+3337 KPP3423 18 9.9 81
Show 21339+3530 TDT3033 150 0.6 82
Show 21316+3535 TDS1132 306 1.4 83
Show 21304+3250 ES 2318 78 3.7 85
Show 21261+3457 TDT2962 238 2.4 86
Show 21286+3255 TDT2984 38 0.5 88
Show 21254+3446 TDS1128 18 1.3 88
Show 21265+3315 HJ 935 BC 52 1.7 88
Show 21265+3315 HJ 935 AB 16 12.9 88
Show 21258+3329 GYL 56 3 16.3 89
Show 21391+3356 COU1185 AB 55 1.4 90
Show 21391+3356 WSI 120 Ba,Bb 19 0.2 90

 
 
WDS 21321+3412 : COMPONENTS
 
 
  A B
B pa=251.0°
sep=80.59"
 
C pa=251.9°
sep=83.30"
pa=277.1°
sep=3.00"
 
 
21321+3412 A
 
 
Name HD 205075 Coord arcsec 2000 213204.61+341206.1 Mag 7.53 Spectral class F0 (yellow-white)
PmRA 26.00 PmDE -3.0 SAO 71434 HIP 106323
Tycho2 2712-01672-1 HD 205075 BD BD+33 4286
Tycho2
Tycho2 2712-01672-1 Pflag RAmdeg 323.01922778 DEmdeg 34.20171679
PmRA 29.0 PmDE -2.3 E RAmdeg 4 E DEmdeg 4
E pmRA 1.3 E pmDE 1.3 EpRAm 1991.38 EpDEm 1991.31
Num 9 Q RAmdeg 1.2 Q DEmdeg 1.0 Q pmRA 1.3
Q pmDE 0.9 BTmag 7.879 E BTmag 0.014 VTmag 7.531
E VTmag 0.010 Prox 806 TYC T HIP 106323
CCDM RAdeg 323.01914528 DEdeg 34.20172194 EpRA 1990 1.58
EpDE 1990 1.51 E RAdeg 3.8 E DEdeg 3.7 Posflg
Corr 0.2
SAO
SAO 71434 DelFlag RA1950 PmRA1950 0.0019
DE1950 PmDE1950 -0.007 Vmag 8 SpType F0
Double code Source 6 CatNum 2122 DM BD+33 4286
DMcomp BDsup HD 205075 M HD 0
GC RA1950rad 5.62854676 DE1950rad 0.59306553 PmRA2000 0.0021
PmDE2000 -0.01
Hipparcos
Catalog H HIP 106323 Proxy RAhms 21 32 04.59
DEdms +34 12 06.2 Vmag 7.49 VarFlag R Vmag G
RAdeg 323.019 DEdeg 34.2017 AstroRef Plx 10.63
CCDM 21320+3412 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 205075 BD BD+33 4286
CD CP Dm number +33 4286 VIred 0.42
SpType F0 R SpType Coord arcsec 2000 213204.59+341206.2
Hipparcos 2
HIP 106323 Sn 5 So 0 Nc 1
RArad 5.6377475555 DErad 0.5969326743 Plx 10.32 PmRA 25.27
PmDE -3.93 E RArad 0.28 E DErad 0.36 E Plx 0.59
E pmRA 0.33 E pmDE 0.38 Hpmag 7.5846 E Hpmag 0.0008
SHp 0.014 VA 0 BV 0.363 E BV 0.009
VI 0.42
 
 
21321+3412 B
 
 
Coord arcsec 2000 213158.47+341139.8 Coord calc 213158.47+341139.8 Mag 9.82 Spectral class G0 (yellow)
PmRA 26.00 PmDE -5.0 Tycho2 2712-02138-1 Calc delta mag 2.29
Tycho2
Tycho2 2712-02138-1 Pflag RAmdeg 322.99366396 DEmdeg 34.19438816
PmRA 31.9 PmDE -4.4 E RAmdeg 14 E DEmdeg 12
E pmRA 1.3 E pmDE 1.3 EpRAm 1990.10 EpDEm 1990.45
Num 6 Q RAmdeg 1.0 Q DEmdeg 0.8 Q pmRA 1.0
Q pmDE 0.7 BTmag 10.468 E BTmag 0.026 VTmag 9.821
E VTmag 0.019 Prox 806 TYC T HIP
CCDM RAdeg 322.99357389 DEdeg 34.19439833 EpRA 1990 1.55
EpDE 1990 1.53 E RAdeg 14.2 E DEdeg 12.3 Posflg
Corr 0.3
 
 
21321+3412 C
 
 
Coord arcsec 2000 213158.23+341140.2 Mag 11.3 PmRA -15.00 PmDE -1.0
Calc delta mag 3.77 Calc coord yes