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Doubles in session


Current system
15339+6354
STT 299
TW Dra


Nearby doubles
4' : 15343+6354
CVR 167

28' : 15374+6410
CVR1636

39' : 15370+6426
HU 1168

58' : 15409+6429
LDS1425

61' : 15405+6313
KPP3964

63' : 15312+6254
HU 910

67' : 15407+6443
MLR 137AB

68' : 15255+6434
TDS9513

68' : 15441+6400
TDS9606

73' : 15272+6452
HU 1162AB

74' : 15425+6442
BVD 327

82' : 15298+6512
HU 1164

87' : 15212+6334
TOI1293

89' : 15325+6522
UC 209

95' : 15198+6416
FMR 119

98' : 15449+6252
RBR 46

102' : 15220+6254
LDS2718

104' : 15329+6537
HU 1165

110' : 15192+6307
MLB 354

115' : 15184+6450
UC 2980

120' : 15279+6548
LDS2720

120' : 15372+6156
STI 786

124' : 15407+6550
LDS1424

128' : 15460+6535
BU 415AB

131' : 15148+6434
RAO 332

131' : 15175+6246
PKO 23



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.

15339+6354 STT 299 (TW Dra)

 
 
15h 33m 51.06s +63° 54' 25.7" P.A. 24.00 sep 3.3 mag 7.50,9.89 Sp A6V+KIII dist. 138.7 pc (452.44 l.y.)
 
 
Coord 2000 15339+6354 Discov num STT 299 Comp Coord arcsec 2000 15 33 51.06 +63 54 25.7
Date first 1843 Date last 2015 Obs 40
Pa first 21 Pa last 24.2 P.A. Now (θ) 24.2°
Sep first 3.3 Sep last 3.295 Sep. Now (ρ) 3.295"
Mag pri 7.50 Mag sec 9.89 delta mag (ΔM) 2.39 Spectral class A6V+KIII (white/yellow-orange)
Pri motion ra +010 Sec motion ra +011
Pri motion dec +017 Sec motion dec +022
Notes N (See Notes)
rPM=0.207 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name TW Dra Constellation Draco SAO 16767 HIP 76196
Tycho2 4184-00061-1 Gaia DR2 1640708022815757568 HD 139319 BD BD+64 1077
Distance 138.7 Distance ly 452.44
 
 
WDS 15339+6354 STT 299 (TW Dra) : NOTES
 
 
discov_num notes refcode
STT 299 A is the Algol-type system TW Dra.
 
 
REFERENCES
 
 
refcode metd author reference
STTA (O. Struve DD - Appendix list) ...................
Stt1864 Ma - Struve, O. 1864MNRAS..24..149S
Stt1864 MNRAS 24, 149, 1864
Stt1866 orb - Struve, O. .
Stt1866 Bull. Imp. Acad. Sci. St. Petersburg, 1866
Stt1874 orb - Struve, O. .
Stt1874 Compte Rendus 79, 1467, 1874
Stt1875 orb - Struve, O. 1875MNRAS..35..367S
Stt1875 MNRAS 35, 367, 1875
Stt1878 Ma - Struve, O. 1878ObPul...9....1S
Stt1878 Pulkova Observations 9, 1, 1878
Stt1879A Ma - Struve, O. 1879Obs.....2..304G
Stt1879A cited by Gledhill (Obs 2, 304, 1879)
Stt1879B Ma - Struve, O. 1879Obs.....3..245G
Stt1879B cited by Gledhill (Obs 3, 245, 1879)
Stt1879C Ma - Struve, O. 1879Obs.....2..344G
Stt1879C cited by Gledhill (Obs 2, 344, 1879)
Stt1880A Ma - Struve, O. 1880Obs.....2..605H
Stt1880A cited by Hunt (Obs. 3, 605, 1880)
Stt1880B Ma - Struve, O. 1880Obs.....3..535G
Stt1880B cited by Gledhill (Obs 3, 535, 1880)
Stt1880C Ma - Struve, O. 1880MNRAS..40..497B
Stt1880C cited by Burnham (MNRAS 40, 497, 1880)
Stt1884A Ma - Struve, O. 1884AReg...22..216S
Stt1884A cited by Sadler (Astr. Register 22, 216, 1884)
Stt1893a Ma j Struve, O. 1893ObPul..10....1S
Stt1893a Pulkova Obs. Observations 10, 1, 1893
Stt1906A Ma - Struve, O. 1906MmRAS..56....1L
Stt1906A cited by Lewis (MemRAS 56, 1, 1906)
Stt1906B Ma j Struve, O. 1906QB821.B972.....
Stt1906B cited in BDS (Burnham Double Star Cat., 1906)
Stt1908A Ma - Struve, O. 1908MNRAS..68..465B
Stt1908A cited by Barnard (MNRAS 68, 465, 1908)
Stt1913A Ma - Struve, O. 1913QB811.B8.......
Stt1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Stt1914A Ma - Struve, O. 1914AN....198..107R
Stt1914A cited by Rabe (AN 198, 107, 1914)
Stt1932A Ma - Struve, O. 1932QB821.A43......
Stt1932A cited in ADS (Aitken Double Star Cat., 1932)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15339+6354 STT 299 2000 36 25 3.3 7.50 9.89 A5 N 153351.06+635425.7
15339+6354 STT 299 2003 38 24 3.2 7.50 9.89 A5 N 153351.06+635425.7
15339+6354 STT 299 2011 39 25 3.3 7.50 9.89 A5 N 153351.06+635425.7
15339+6354 STT 299 2015 39 24 3.3 7.50 9.89 A5 N 153351.06+635425.7

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

 
 
WDS 15339+6354 STT 299 (TW Dra) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 15339+6354 STT 299 (TW Dra) : MEASURES
 
 
No records found.

 
 
WDS 15339+6354 (TW Dra) : VIRTUAL EYEPIECE
 
 

15339+6354 STT 299A mag 7.5 Sp A6V 15339+6354 STT 299B sep 3.1 P.A. 11.20 mag 9.89 Sp KIII 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 15339+6354 (TW Dra) : ALADIN DSS IMAGE @ 15h 33m 51.06s +63° 54' 25.7"
 
 
 
 
WDS 15339+6354 STT 299 (TW Dra) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

15339+6354 STT 299 distance=0' 15343+6354 CVR 167 distance=4' 15374+6410 CVR1636 distance=28' 15370+6426 HU 1168 distance=39' 15409+6429 LDS1425 distance=58' 15405+6313 KPP3964 distance=61' 15312+6254 HU 910 distance=63' 15407+6443 MLR 137AB distance=67' 15407+6443 MLR 137AC distance=67' 15255+6434 TDS9513 distance=68' 15441+6400 TDS9606 distance=68' 15272+6452 HU 1162AB distance=73' 15272+6452 HU 1162AC distance=73' 15425+6442 BVD 327 distance=74' 15298+6512 HU 1164 distance=82' 15212+6334 TOI1293 distance=87' 15325+6522 UC 209 distance=89' 15198+6416 FMR 119 distance=95' 15449+6252 RBR 46 distance=98' 15220+6254 LDS2718 distance=102' 15329+6537 HU 1165 distance=104' 15192+6307 MLB 354 distance=110' 15184+6450 UC 2980 distance=115' 15279+6548 LDS2720 distance=120' 15372+6156 STI 786 distance=120' 15407+6550 LDS1424 distance=124' 15460+6535 BU 415AB distance=128' 15460+6535 BU 415AC distance=128' 15460+6535 BU 415CD distance=128' 15148+6434 RAO 332 distance=131' 15175+6246 PKO 23 distance=131' 15140+6324 LDS2356 distance=136' 15355+6139 UC 3030 distance=137' 15145+6454 HJL 217 distance=139' 15145+6300 UC 2968 distance=141' 15536+6256 HDS2239 distance=145' 15467+6159 SLN 31 distance=145' 15476+6148 TDS9625 distance=158' 15221+6616 HEI 782 distance=160' 15204+6611 KPP2087 distance=161' 15468+6618 KPP3969 distance=166' 15529+6205 STI 788 distance=170' 15424+6113 MLR 48 distance=172' 15496+6618 UC 3070 distance=175' 15397+6055 SKF 46 distance=185' 15324+6658 TDS 776 distance=185' 15290+6700 KPP3960AB distance=188' 15232+6100 HU 909 distance=190' 15245+6655 UC 207 distance=191' 15255+6703 STF3125 distance=196' 15427+6704 STF1975 distance=198' 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 15339+6354 STT 299 24 3.3
Show 15343+6354 CVR 167 110 8.2 4
Show 15374+6410 CVR1636 157 4.0 28
Show 15370+6426 HU 1168 290 0.6 39
Show 15409+6429 LDS1425 32 13.2 58
Show 15405+6313 KPP3964 18 1.7 61
Show 15312+6254 HU 910 275 1.4 63
Show 15407+6443 MLR 137 AB 336 2.8 67
Show 15407+6443 MLR 137 AC 204 25.8 67
Show 15255+6434 TDS9513 309 0.8 68
Show 15441+6400 TDS9606 175 0.9 68
Show 15272+6452 HU 1162 AB 107 1.2 73
Show 15272+6452 HU 1162 AC 36 19.8 73
Show 15425+6442 BVD 327 87 23.7 74
Show 15298+6512 HU 1164 27 0.8 82
Show 15212+6334 TOI1293 120 1.0 87
Show 15325+6522 UC 209 20 29.1 89
Show 15198+6416 FMR 119 208 6.6 95
Show 15449+6252 RBR 46 245 4.3 98
Show 15220+6254 LDS2718 107 2.0 102
Show 15329+6537 HU 1165 255 1.5 104
Show 15192+6307 MLB 354 113 2.9 110
Show 15184+6450 UC 2980 109 47.4 115
Show 15279+6548 LDS2720 7.8 120
Show 15372+6156 STI 786 268 5.8 120
Show 15407+6550 LDS1424 116 7.7 124
Show 15460+6535 BU 415 AB 333 13.0 128
Show 15460+6535 BU 415 AC 6 19.4 128
Show 15460+6535 BU 415 CD 9 57.1 128
Show 15148+6434 RAO 332 298 0.4 131
Show 15175+6246 PKO 23 349 6.1 131
Show 15140+6324 LDS2356 349 32.4 136
Show 15355+6139 UC 3030 228 54.4 137
Show 15145+6454 HJL 217 158 47.0 139
Show 15145+6300 UC 2968 77 40.6 141
Show 15536+6256 HDS2239 337 0.2 145
Show 15467+6159 SLN 31 161 8.0 145
Show 15476+6148 TDS9625 96 0.6 158
Show 15221+6616 HEI 782 12 3.5 160
Show 15204+6611 KPP2087 2 16.9 161
Show 15468+6618 KPP3969 230 1.4 166
Show 15529+6205 STI 788 49 11.6 170
Show 15424+6113 MLR 48 104 0.3 172
Show 15496+6618 UC 3070 341 38.1 175
Show 15397+6055 SKF 46 201 3.0 185
Show 15324+6658 TDS 776 64 0.8 185
Show 15290+6700 KPP3960 AB 87 5.1 188
Show 15232+6100 HU 909 282 1.5 190
Show 15245+6655 UC 207 291 18.6 191
Show 15255+6703 STF3125 267 2.2 196
Show 15427+6704 STF1975 43 18.9 198

 
 
WDS 15339+6354 : COMPONENTS
 
 
  A
B pa=11.2°
sep=3.06"
 
 
15339+6354 A
 
 
Componente originario normalizzato AB Var name TW Dra Coord arcsec 2000 153351.06+635425.7 Mag 7.5
Spectral class A6V (white) PmRA 10.00 PmDE 17.0 SAO 16767
HIP 76196 Tycho2 4184-00061-1 HD 139319 BD BD+64 1077
Tycho2
Tycho2 4184-00061-1 Pflag RAmdeg 233.46273649 DEmdeg 63.90712883
PmRA 9.5 PmDE 17.3 E RAmdeg 5 E DEmdeg 5
E pmRA 2.5 E pmDE 2.6 EpRAm 1991.56 EpDEm 1991.67
Num 3 Q RAmdeg 1.4 Q DEmdeg 0.2 Q pmRA 1.4
Q pmDE 0.2 BTmag 7.811 E BTmag 0.016 VTmag 7.500
E VTmag 0.011 Prox 33 TYC T HIP 76196
CCDM A RAdeg 233.46268639 DEdeg 63.90708917 EpRA 1990 1.60
EpDE 1990 1.71 E RAdeg 5.1 E DEdeg 4.9 Posflg
Corr -0.1
SAO
SAO 16767 DelFlag RA1950 PmRA1950 0.0009
DE1950 PmDE1950 0.02 Vmag 7.9 SpType A5
Double code Source 2 CatNum 731 DM BD+64 1077
DMcomp BDsup HD 139319 M HD 0
GC RA1950rad 4.07149395 DE1950rad 1.11828333 PmRA2000 0.0018
PmDE2000 0.022
Hipparcos
Catalog H HIP 76196 Proxy H RAhms 15 33 51.04
DEdms +63 54 25.5 Vmag 7.32 VarFlag 3 R Vmag H
RAdeg 233.463 DEdeg 63.9071 AstroRef A Plx 8.21
CCDM 15339+6354 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 24 Rho 3.306 HD 139319 BD BD+64 1077
CD CP Dm number +64 1077 VIred 0.38
SpType A5 comp SB R SpType Coord arcsec 2000 153351.04+635425.5
Hipparcos 2
HIP 76196 Sn 35 So 3 Nc 2
RArad 4.0746925026 DErad 1.1153890764 Plx 7.21 PmRA 9.86
PmDE 20.95 E RArad 1.83 E DErad 1.77 E Plx 2.03
E pmRA 2.15 E pmDE 2.01 Hpmag 7.4012 E Hpmag 0.0034
SHp 0.203 VA 1 BV 0.6 E BV 0.51
VI 0.38
CCDM
Ccdm 15339+6354 RComp Comp A Note1
Note2 Discov num DRAs -2.96 DDEs 25.6
R dRAs 10 Year Theta Rho
Obs 2 Vmag Sp A5 PmNote *
PmRA 4 PmDE 18 Dm number +64 1077 Cat1 BD
Name2 +64 731 Cat2 AGK2/3 HD 139319 M HD
ADS BDS A 9706 M ADS BDS N IDS IDS 15324N6414A
HIC 76196
 
 
15339+6354 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 153351.15+635428.7 Mag 9.89 Spectral class KIII (yellow-orange)
PmRA 11.00 PmDE 22.0 Calc delta mag 2.39 Calc coord yes
CCDM
Ccdm 15339+6354 RComp Comp B Note1
Note2 Discov num STT 299 DRAs DDEs
R dRAs Year 1848 Theta 023 Rho 3.4
Obs 10 Vmag 9.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 9706 M ADS BDS N N IDS IDS 15324N6414B
HIC 76196