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Current system
20295+8105
STT 593 AB
74 Dra


Nearby doubles
21' : 20282+8125
BUP 211AB

31' : 20400+8048
LDS1937

31' : 20165+8109
STT 526

38' : 20454+8105
LDS1938

38' : 20415+8042
LOC 466

42' : 20465+8118
KPP4213

43' : 20472+8117
TDT2537

44' : 20397+8030
HDS2946

48' : 20255+8152
LOC 452

48' : 20108+8127
LOC 440

50' : 20144+8032
STF2694

59' : 20167+8156
LOC 441

67' : 20477+8016
SKF1250

67' : 20372+8001
LDS1936

70' : 20449+8206
LOC 467

85' : 20406+8227
TDT2464

109' : 20421+8251
LOC 469

109' : 20345+8254
MLR 235

113' : 20277+8257
MLR 234

116' : 20423+7915
SKF1247

122' : 20200+8306
LOC 454

126' : 20460+7907
MLR 237AB

131' : 20178+8314
LOC 442

146' : 20119+7847
LOC 437

150' : 20228+8334
TDT2220

152' : 20152+8335
UC 4127



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20295+8105 STT 593 AB (74 Dra)

 
 
20h 29m 27.31s +81° 05' 26.7" P.A. 36.00 sep 214.4 mag 6.07,8.74 Sp K0III+F8V dist. 63.73 pc (207.89 l.y.)
 
 
Coord 2000 20295+8105 Discov num STT 593 Comp AB Coord arcsec 2000 20 29 27.31 +81 05 26.7
Date first 1851 Date last 2016 Obs 21
Pa first 40 Pa last 35.9 P.A. Now (θ) 35.9°
Sep first 214.2 Sep last 214.393 Sep. Now (ρ) 214.393"
Mag pri 6.07 Mag sec 8.74 delta mag (ΔM) 2.67 Spectral class K0III+F8V (yellow-orange/yellow-white)
Pri motion ra +066 Sec motion ra +067
Pri motion dec +221 Sec motion dec +221
Notes N T (See Notes, Parallax indicates physical)
rPM=0.004 (< 0.3, Physical double)
This double is physical.
 
 
20295+8105 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 74 Dra 3413 20 29 27 +81 05 27 STT 593 AB 2016 21 36 214.4 6.07 8.74 2.67 <===
Show 20 30 22 +81 08 22 BUP 212 BC 2004 7 293 100.4 8.74 12.30 3.56
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name 74 Dra Constellation Draco SAO 3413 HIP 101082
Tycho2 4597-01694-1 HD 196925 HR 7908 GC 28648
BD BD+80 660 Flamsteed 74 Draconis Flamsteed name 74 Dra Distance 63.73
Distance ly 207.89
 
 
WDS 20295+8105 STT 593 AB (74 Dra) : NOTES
 
 
discov_num notes refcode
STT 593 AB: 74 Dra. LDS1932. A spectroscopic binary. B is BD+80@662.
AB: HJL 283. HJL1986
AB: SHY 777. Bayesian analysis by Shaya & Olling (2011) indicates very Shy2011
high (near 100%) probability pair is physical.
 
 
REFERENCES
 
 
refcode metd author reference
HJL1986 Pa - Halbwachs, J.L. 1986A&AS...66..131H
HJL1986 A&AS 66, 131, 1986
HJL1986 (Possible CPM pairs from AGK2/3. Coarse astrometry, incl. mean 1950 dates, added
HJL1986 only for previously unknown pairs. Table 1: HJL 1 - 326, Table 2: HJL1001 - 1113)
Shy2011 - Shaya, E.J. & Olling, R. 2011ApJS..192....2S
Shy2011 ApJS 192, 2, 2011
Shy2011 (Statistical analysis of probability that wide Hipparcos pairs are physical. Pairs
Shy2011 added to WDS only if probability 90% or greater.)
 
 
DISCOVERER
 
 
idgroup discov author
1 BUP Burnham proper motion stars (see Burnham, Carnegie Inst. Wash. #168, 1913)
1 STT Struve, O.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20295+8105 STT 593 AB 1999 16 36 214.6 6.07 8.74 K0III+F8V N DV 202927.31+810526.7
20295+8105 STT 593 AB 2004 17 36 214.5 6.07 8.74 K0III F8V NVD 202927.31+810526.7
20295+8105 STT 593 AB 2010 18 36 214.2 6.07 8.74 K0III+F8V NV 202927.31+810526.7
20295+8105 STT 593 AB 2015 19 36 214.4 6.07 8.74 K0III+F8V NVW 202927.31+810526.7
20295+8105 STT 593 AB 2016 21 36 214.4 6.07 8.74 K0III+F8V NT 202927.31+810526.7

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

 
 
WDS 20295+8105 STT 593 AB (74 Dra) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20295+8105 STT 593 AB (74 Dra) : MEASURES
 
 
No records found.

 
 
WDS 20295+8105 (74 Dra) : VIRTUAL EYEPIECE
 
 

20295+8105 STT 593A mag 6.07 Sp K0III 20295+8105 BUP 212B sep 216.2 P.A. 35.90 mag 8.74 Sp G5 20295+8105 BUP 212C sep 241.7 P.A. 27.70 mag 12.3 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 20295+8105 (74 Dra) : ALADIN DSS IMAGE @ 20h 29m 27.31s +81° 05' 26.7"
 
 
 
 
WDS 20295+8105 STT 593 AB (74 Dra) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20295+8105 STT 593AB distance=0' 20295+8105 BUP 212BC distance=4' 20282+8125 BUP 211AB distance=21' 20282+8125 STH 7AC distance=21' 20400+8048 LDS1937 distance=31' 20165+8109 STT 526 distance=31' 20454+8105 LDS1938 distance=38' 20415+8042 LOC 466 distance=38' 20465+8118 KPP4213 distance=42' 20472+8117 TDT2537 distance=43' 20397+8030 HDS2946 distance=44' 20255+8152 LOC 452 distance=48' 20108+8127 LOC 440 distance=48' 20144+8032 STF2694 distance=50' 20167+8156 LOC 441 distance=59' 20477+8016 SKF1250 distance=67' 20372+8001 LDS1936 distance=67' 20449+8206 LOC 467 distance=70' 20406+8227 TDT2464 distance=85' 20421+8251 LOC 469 distance=109' 20345+8254 MLR 235 distance=109' 20277+8257 MLR 234 distance=113' 20423+7915 SKF1247 distance=116' 20200+8306 LOC 454 distance=122' 20460+7907 MLR 237AB distance=126' 20178+8314 LOC 442 distance=131' 20119+7847 LOC 437 distance=146' 20228+8334 TDT2220 distance=150' 20152+8335 UC 4127 distance=152' 20195+7836 WFC 232 distance=153' 20277+7828 KPP4200 distance=158' 20156+7826 LOC 436 distance=164' 20319+8350 LOC 456 distance=165' 20291+7819 KPP1433 distance=167' 20491+7818 LOC 463 distance=176' 20323+7753 LOC 450 distance=193' 20118+7730 LOC 433 distance=222' 20100+7711 PLT 8 distance=241' 20487+8506 LOC 471AB distance=243' 20214+8523 LOC 457 distance=258' 20159+7649 LOC 432 distance=260' 20095+7651 SKF2805 distance=263' 20248+7641 TDT2248 distance=265' 20304+7634 TDT2327 distance=272' 20376+8551 LOC 458 distance=287' 20354+7619 OSW 17 distance=287' 20250+8559 LDS1934 distance=295' 20109+7616 LDS1929 distance=295' 20118+7614 MLR 232 distance=296' 20201+7605 A 869 distance=302' 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 20295+8105 STT 593 AB 36 214.4
Show 20295+8105 BUP 212 BC 293 100.4 4
Show 20282+8125 BUP 211 AB 11 109.5 21
Show 20282+8125 STH 7 AC 282 196.6 21
Show 20400+8048 LDS1937 312 6.7 31
Show 20165+8109 STT 526 167 1.3 31
Show 20454+8105 LDS1938 321 18.2 38
Show 20415+8042 LOC 466 26 1.2 38
Show 20465+8118 KPP4213 148 5.2 42
Show 20472+8117 TDT2537 209 1.0 43
Show 20397+8030 HDS2946 143 0.2 44
Show 20255+8152 LOC 452 150 1.1 48
Show 20108+8127 LOC 440 158 1.4 48
Show 20144+8032 STF2694 345 4.3 50
Show 20167+8156 LOC 441 139 1.0 59
Show 20477+8016 SKF1250 333 4.3 67
Show 20372+8001 LDS1936 313 40.8 67
Show 20449+8206 LOC 467 231 22.7 70
Show 20406+8227 TDT2464 181 1.3 85
Show 20421+8251 LOC 469 123 1.6 109
Show 20345+8254 MLR 235 165 0.8 109
Show 20277+8257 MLR 234 94 0.6 113
Show 20423+7915 SKF1247 338 17.3 116
Show 20200+8306 LOC 454 145 7.8 122
Show 20460+7907 MLR 237 AB 118 3.1 126
Show 20178+8314 LOC 442 74 1.5 131
Show 20119+7847 LOC 437 230 34.9 146
Show 20228+8334 TDT2220 59 0.4 150
Show 20152+8335 UC 4127 43 42.7 152
Show 20195+7836 WFC 232 143 3.8 153
Show 20277+7828 KPP4200 166 1.7 158
Show 20156+7826 LOC 436 217 9.5 164
Show 20319+8350 LOC 456 266 1.1 165
Show 20291+7819 KPP1433 234 10.8 167
Show 20491+7818 LOC 463 193 1.2 176
Show 20323+7753 LOC 450 293 3.2 193
Show 20118+7730 LOC 433 132 1.7 222
Show 20100+7711 PLT 8 78 24.2 241
Show 20487+8506 LOC 471 AB 331 1.5 243
Show 20214+8523 LOC 457 271 1.9 258
Show 20159+7649 LOC 432 343 4.1 260
Show 20095+7651 SKF2805 347 158.7 263
Show 20248+7641 TDT2248 243 0.4 265
Show 20304+7634 TDT2327 320 0.6 272
Show 20376+8551 LOC 458 163 3.6 287
Show 20354+7619 OSW 17 198 65.6 287
Show 20250+8559 LDS1934 10 64.2 295
Show 20109+7616 LDS1929 14 15.4 295
Show 20118+7614 MLR 232 166 2.6 296
Show 20201+7605 A 869 269 2.1 302

 
 
WDS 20295+8105 : COMPONENTS
 
 
  A B
B pa=35.9°
sep=216.25"
 
C pa=27.7°
sep=241.72"
pa=339.8°
sep=41.28"
 
 
20295+8105 A
 
 
Name 74 Dra Coord arcsec 2000 202927.31+810526.7 Mag 6.07 Spectral class K0III (yellow-orange)
PmRA 66.00 PmDE 221.0 SAO 3413 HIP 101082
Tycho2 4597-01694-1 HD 196925 HR 7908 GC 28648
BD BD+80 660 Flamsteed 74 Draconis Flamsteed name 74 Dra
Tycho2
Tycho2 4597-01694-1 Pflag RAmdeg 307.36486937 DEmdeg 81.09127333
PmRA 67.5 PmDE 220.5 E RAmdeg 4 E DEmdeg 4
E pmRA 1.1 E pmDE 1.1 EpRAm 1991.51 EpDEm 1991.60
Num 11 Q RAmdeg 0.8 Q DEmdeg 1.0 Q pmRA 0.8
Q pmDE 1.0 BTmag 7.146 E BTmag 0.015 VTmag 6.070
E VTmag 0.009 Prox 999 TYC T HIP 101082
CCDM RAdeg 307.36386528 DEdeg 81.09076917 EpRA 1990 1.71
EpDE 1990 1.77 E RAdeg 3.7 E DEdeg 3.7 Posflg
Corr -0.1
SAO
SAO 3413 DelFlag RA1950 PmRA1950 0.0285
DE1950 PmDE1950 0.223 Vmag 6.1 SpType K0
Double code Source 70 CatNum 28648 DM BD+80 660
DMcomp BDsup HD 196925 M HD 0
GC 28648 RA1950rad 5.37750666 DE1950rad 1.41228302 PmRA2000 0.0274
PmDE2000 0.222
Hipparcos
Catalog H HIP 101082 Proxy RAhms 20 29 27.31
DEdms +81 05 26.7 Vmag 5.96 VarFlag R Vmag H
RAdeg 307.364 DEdeg 81.0907 AstroRef Plx 15.88
CCDM 20297+8106 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 196925 BD BD+80 660
CD CP Dm number +80 660 VIred 0.93
SpType K0III+... R SpType Coord arcsec 2000 202927.31+810526.7
Hipparcos 2
HIP 101082 Sn 5 So 0 Nc 1
RArad 5.3645104355 DErad 1.4153003761 Plx 15.69 PmRA 67.06
PmDE 222.14 E RArad 0.21 E DErad 0.2 E Plx 0.23
E pmRA 0.29 E pmDE 0.27 Hpmag 6.1246 E Hpmag 0.0006
SHp 0.006 VA 0 BV 0.942 E BV 0.002
VI 0.93
 
 
20295+8105 B
 
 
Coord arcsec 2000 203021.91+810822.1 Coord calc 203021.91+810822.1 Mag 8.74 Spectral class G5 (yellow)
PmRA 68.00 PmDE 219.0 HIP 101166 Tycho2 4597-00711-1
BD BD+80 662 Calc delta mag 2.67
Tycho2
Tycho2 4597-00711-1 Pflag RAmdeg 307.59131485 DEmdeg 81.13948674
PmRA 68.3 PmDE 220.0 E RAmdeg 8 E DEmdeg 9
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.06 EpDEm 1990.86
Num 10 Q RAmdeg 0.6 Q DEmdeg 0.6 Q pmRA 0.7
Q pmDE 0.6 BTmag 9.378 E BTmag 0.020 VTmag 8.739
E VTmag 0.014 Prox 999 TYC T HIP 101166
CCDM RAdeg 307.59030667 DEdeg 81.13898500 EpRA 1990 1.79
EpDE 1990 1.78 E RAdeg 7.9 E DEdeg 8.8 Posflg
Corr 0.0
Hipparcos
Catalog H HIP 101166 Proxy RAhms 20 30 21.65
DEdms +81 08 20.2 Vmag 8.68 VarFlag R Vmag G
RAdeg 307.59 DEdeg 81.1389 AstroRef Plx 14.79
CCDM 20297+8106 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD BD BD+80 662
CD CP Dm number +80 662 VIred 0.66
SpType G5 R SpType Coord arcsec 2000 203021.65+810820.2
Hipparcos 2
HIP 101166 Sn 5 So 0 Nc 1
RArad 5.3684617257 DErad 1.416141782 Plx 14.51 PmRA 68.23
PmDE 221.81 E RArad 0.47 E DErad 0.44 E Plx 0.5
E pmRA 0.62 E pmDE 0.58 Hpmag 8.8224 E Hpmag 0.0016
SHp 0.013 VA 0 BV 0.635 E BV 0.019
VI 0.7
 
 
20295+8105 C
 
 
Coord arcsec 2000 203015.74+810900.8 Mag 12.3 PmRA 21.00 PmDE -6.0
Calc delta mag 6.23 Calc coord yes