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Doubles in session


Current system
20282+8125
BUP 211 AB
75 Dra


Nearby doubles
21' : 20295+8105
STT 593AB

28' : 20255+8152
LOC 452

32' : 20165+8109
STT 526

40' : 20108+8127
LOC 440

40' : 20167+8156
LOC 441

42' : 20465+8118
KPP4213

44' : 20472+8117
TDT2537

44' : 20094+8114
LOC 439

45' : 20454+8105
LDS1938

45' : 20084+8127
HU 957

46' : 20400+8048
LDS1937

54' : 20415+8042
LOC 466

55' : 20449+8206
LOC 467

62' : 20397+8030
HDS2946

63' : 20144+8032
STF2694

67' : 20406+8227
TDT2464

84' : 20477+8016
SKF1250

87' : 20372+8001
LDS1936

90' : 20345+8254
MLR 235

90' : 20421+8251
LOC 469

93' : 20277+8257
MLR 234

102' : 20200+8306
LOC 454

111' : 20178+8314
LOC 442

130' : 20228+8334
TDT2220

132' : 20152+8335
UC 4127

135' : 20423+7915
SKF1247



Selections
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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.

20282+8125 BUP 211 AB (75 Dra)

 
 
20h 28m 14.45s +81° 25' 21.6" P.A. 11.00 sep 109.5 mag 5.48,11.34 Sp G9III dist. 139.66 pc (455.57 l.y.)
 
 
Coord 2000 20282+8125 Discov num BUP 211 Comp AB Coord arcsec 2000 20 28 14.45 +81 25 21.6
Date first 1898 Date last 2016 Obs 10
Pa first 14 Pa last 11.2 P.A. Now (θ) 11.2°
Sep first 109.4 Sep last 109.454 Sep. Now (ρ) 109.454"
Mag pri 5.48 Mag sec 11.34 delta mag (ΔM) 5.86 Spectral class G9III (yellow)
Pri motion ra +034 Sec motion ra +035
Pri motion dec +016 Sec motion dec +016
Notes N (See Notes)
rPM=0.026 (< 0.3, Physical double)
This double is physical.
 
 
20282+8125 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 75 Dra 3408 20 28 14 +81 25 22 BUP 211 AB 2016 10 11 109.5 5.48 11.34 5.86 <===
Show 3408 20 28 14 +81 25 22 STH 7 AC 2015 18 282 196.6 5.48 6.66 1.18
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name 75 Dra Constellation Draco SAO 3408 HIP 100965
Tycho2 4597-01693-1 Gaia DR2 2298389355466272256 HD 196787 HR 7901
GC 28611 BD BD+80 659 Flamsteed 75 Draconis Flamsteed name 75 Dra
FK5 3963 Distance 139.66 Distance ly 455.57
 
 
WDS 20282+8125 BUP 211 AB (75 Dra) : NOTES
 
 
discov_num notes refcode
BUP 211 75 Dra.
 
 
REFERENCES
 
 
refcode metd author reference
BUP Burnham proper motion stars (see Burnham, Carnegie Inst. Wash. #168, 1913) 1913QB811.B8.......
StH1901 Ma - Struve, H. .
StH1901 Pulkova Pub. Ser.2, 12, 1901
StH1906A Ma j Struve, H. 1906QB821.B972.....
StH1906A cited in BDS (Burnham Double Star Cat.), 1906
StH1906B Ma - Struve, H. 1906MmRAS..56....1L
StH1906B cited by Lewis (MemRAS 56, 1, 1906)
StH1911a Ma - Struve, H. .
StH1911a Beob. Sternw. Koenigsberg 43, 31, 1911
StH1911b Ma - Struve, H. .
StH1911b Sitz. Berlin Acad. 41, 1911
StH1913A Ma - Struve, H. 1913QB811.B8.......
StH1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
StH1932A Ma - Struve, H. 1932QB821.A43......
StH1932A cited in ADS (Aitken Double Star Cat.), 1932
StH1962 Ma j Struve, H. 1962VeBB....1.....S
StH1962 Pub. Berlin Babelsberg Obs. 14, Pt.1, 1962
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20282+8125 BUP 211 AB 2000 5 11 109.6 5.48 11.34 G9III N D 202814.45+812521.6
20282+8125 BUP 211 AB 2004 6 11 110.1 5.48 11.34 G9III N D 202814.45+812521.6
20282+8125 BUP 211 AB 2015 7 11 109.5 5.48 11.34 G9III N 202814.45+812521.6
20282+8125 BUP 211 AB 2016 10 11 109.5 5.48 11.34 G9III N 202814.45+812521.6

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

 
 
WDS 20282+8125 BUP 211 AB (75 Dra) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20282+8125 BUP 211 AB (75 Dra) : MEASURES
 
 
No records found.

 
 
WDS 20282+8125 (75 Dra) : VIRTUAL EYEPIECE
 
 

20282+8125 BUP 211A mag 5.48 Sp G9III 20282+8125 BUP 211B sep 107.4 P.A. 1.70 mag 11.34 20282+8125 STH 7C sep 50.2 P.A. 325.20 mag 6.66 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 20282+8125 (75 Dra) : ALADIN DSS IMAGE @ 20h 28m 14.45s +81° 25' 21.6"
 
 
 
 
WDS 20282+8125 BUP 211 AB (75 Dra) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20282+8125 BUP 211AB distance=0' 20295+8105 BUP 212BC distance=18' 20295+8105 STT 593AB distance=21' 20255+8152 LOC 452 distance=28' 20165+8109 STT 526 distance=32' 20108+8127 LOC 440 distance=40' 20167+8156 LOC 441 distance=40' 20465+8118 KPP4213 distance=42' 20472+8117 TDT2537 distance=44' 20094+8114 LOC 439 distance=44' 20454+8105 LDS1938 distance=45' 20084+8127 HU 957 distance=45' 20400+8048 LDS1937 distance=46' 20415+8042 LOC 466 distance=54' 20449+8206 LOC 467 distance=55' 20397+8030 HDS2946 distance=62' 20144+8032 STF2694 distance=63' 20406+8227 TDT2464 distance=67' 20477+8016 SKF1250 distance=84' 20372+8001 LDS1936 distance=87' 20345+8254 MLR 235 distance=90' 20421+8251 LOC 469 distance=90' 20277+8257 MLR 234 distance=93' 20200+8306 LOC 454 distance=102' 20178+8314 LOC 442 distance=111' 20228+8334 TDT2220 distance=130' 20152+8335 UC 4127 distance=132' 20423+7915 SKF1247 distance=135' 20319+8350 LOC 456 distance=145' 20460+7907 MLR 237AB distance=146' 20119+7847 LOC 437 distance=164' 20195+7836 WFC 232 distance=172' 20277+7828 KPP4200 distance=178' 20156+7826 LOC 436 distance=183' 20291+7819 KPP1433 distance=187' 20323+7753 LOC 450 distance=213' 20086+8507 WSI 109AB distance=225' 20086+8507 RAO 21AC distance=225' 20089+7743 STF2675AB distance=229' 20089+7743 STF2675AC distance=229' 20214+8523 LOC 457 distance=238' 20118+7730 LOC 433 distance=240' 20089+7715 LDS1928AB distance=257' 20100+7711 PLT 8 distance=260' 20376+8551 LOC 458 distance=267' 20250+8559 LDS1934 distance=275' 20159+7649 LOC 432 distance=279' 20095+7651 SKF2805 distance=282' 20248+7641 TDT2248 distance=285' 20304+7634 TDT2327 distance=292' 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 20282+8125 BUP 211 AB 11 109.5
Show 20282+8125 STH 7 AC 282 196.6
Show 20295+8105 BUP 212 BC 293 100.4 18
Show 20295+8105 STT 593 AB 36 214.4 21
Show 20255+8152 LOC 452 150 1.1 28
Show 20165+8109 STT 526 167 1.3 32
Show 20108+8127 LOC 440 158 1.4 40
Show 20167+8156 LOC 441 139 1.0 40
Show 20465+8118 KPP4213 148 5.2 42
Show 20472+8117 TDT2537 209 1.0 44
Show 20094+8114 LOC 439 78 3.9 44
Show 20454+8105 LDS1938 321 18.2 45
Show 20084+8127 HU 957 144 4.9 45
Show 20400+8048 LDS1937 312 6.7 46
Show 20415+8042 LOC 466 26 1.2 54
Show 20449+8206 LOC 467 231 22.7 55
Show 20397+8030 HDS2946 143 0.2 62
Show 20144+8032 STF2694 345 4.3 63
Show 20406+8227 TDT2464 181 1.3 67
Show 20477+8016 SKF1250 333 4.3 84
Show 20372+8001 LDS1936 313 40.8 87
Show 20345+8254 MLR 235 165 0.8 90
Show 20421+8251 LOC 469 123 1.6 90
Show 20277+8257 MLR 234 94 0.6 93
Show 20200+8306 LOC 454 145 7.8 102
Show 20178+8314 LOC 442 74 1.5 111
Show 20228+8334 TDT2220 59 0.4 130
Show 20152+8335 UC 4127 43 42.7 132
Show 20423+7915 SKF1247 338 17.3 135
Show 20319+8350 LOC 456 266 1.1 145
Show 20460+7907 MLR 237 AB 118 3.1 146
Show 20119+7847 LOC 437 230 34.9 164
Show 20195+7836 WFC 232 143 3.8 172
Show 20277+7828 KPP4200 166 1.7 178
Show 20156+7826 LOC 436 217 9.5 183
Show 20291+7819 KPP1433 234 10.8 187
Show 20323+7753 LOC 450 293 3.2 213
Show 20086+8507 WSI 109 AB 175 0.1 225
Show 20086+8507 RAO 21 AC 71 1.2 225
Show 20089+7743 STF2675 AB 120 7.3 229
Show 20089+7743 STF2675 AC 334 170.2 229
Show 20214+8523 LOC 457 271 1.9 238
Show 20118+7730 LOC 433 132 1.7 240
Show 20089+7715 LDS1928 AB 166 5.4 257
Show 20100+7711 PLT 8 78 24.2 260
Show 20376+8551 LOC 458 163 3.6 267
Show 20250+8559 LDS1934 10 64.2 275
Show 20159+7649 LOC 432 343 4.1 279
Show 20095+7651 SKF2805 347 158.7 282
Show 20248+7641 TDT2248 243 0.4 285
Show 20304+7634 TDT2327 320 0.6 292

 
 
WDS 20282+8125 : COMPONENTS
 
 
  A B
B pa=1.7°
sep=107.42"
 
C pa=325.2°
sep=50.19"
pa=205.6°
sep=73.39"
 
 
20282+8125 A
 
 
Name 75 Dra Coord arcsec 2000 202814.45+812521.6 Mag 5.48 Spectral class G9III (yellow)
PmRA 34.00 PmDE 16.0 SAO 3408 HIP 100965
Tycho2 4597-01693-1 HD 196787 HR 7901 GC 28611
BD BD+80 659 Flamsteed 75 Draconis Flamsteed name 75 Dra FK5 3963
Tycho2
Tycho2 4597-01693-1 Pflag RAmdeg 307.06077459 DEmdeg 81.42270933
PmRA 33.4 PmDE 16.9 E RAmdeg 4 E DEmdeg 4
E pmRA 0.8 E pmDE 0.8 EpRAm 1991.31 EpDEm 1991.38
Num 15 Q RAmdeg 0.5 Q DEmdeg 0.5 Q pmRA 0.6
Q pmDE 0.6 BTmag 6.650 E BTmag 0.014 VTmag 5.480
E VTmag 0.009 Prox 999 TYC T HIP 100965
CCDM RAdeg 307.06025972 DEdeg 81.42267056 EpRA 1990 1.73
EpDE 1990 1.72 E RAdeg 3.5 E DEdeg 3.5 Posflg
Corr -0.1
SAO
SAO 3408 DelFlag RA1950 PmRA1950 0.0115
DE1950 PmDE1950 0.018 Vmag 5.6 SpType K0
Double code Source 70 CatNum 28611 DM BD+80 659
DMcomp BDsup HD 196787 M HD 0
GC 28611 RA1950rad 5.37328732 DE1950rad 1.41813578 PmRA2000 0.0122
PmDE2000 0.016
Hipparcos
Catalog H HIP 100965 Proxy RAhms 20 28 14.45
DEdms +81 25 21.6 Vmag 5.38 VarFlag R Vmag H
RAdeg 307.06 DEdeg 81.4227 AstroRef Plx 7.15
CCDM 20282+8126 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 196787 BD BD+80 659
CD CP Dm number +80 659 VIred 0.98
SpType G9III R SpType Coord arcsec 2000 202814.45+812521.6
Hipparcos 2
HIP 100965 Sn 5 So 0 Nc 1
RArad 5.3592119451 DErad 1.4210936621 Plx 7.16 PmRA 34.09
PmDE 16.77 E RArad 0.16 E DErad 0.17 E Plx 0.18
E pmRA 0.22 E pmDE 0.22 Hpmag 5.5456 E Hpmag 0.0006
SHp 0.005 VA 0 BV 1.01 E BV 0.004
VI 0.99
 
 
20282+8125 B
 
 
Coord arcsec 2000 202815.87+812709.0 Mag 11.34 PmRA 35.00 PmDE 16.0
Calc delta mag 5.86 Calc coord yes
 
 
20282+8125 C
 
 
Coord arcsec 2000 202801.63+812602.8 Mag 6.66 PmRA 46.00 PmDE 20.0
Calc delta mag 1.18 Calc coord yes