stampa
Login

Less is more. Filter out doubles you can't observe!
Register here


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
20023+6438
STTA 200 AB
65 Dra


Nearby doubles
13' : 20015+6449
H 6 38AB

13' : 20042+6434
BU 1479

28' : 20035+6412
TDT1939

28' : 19582+6430
UC 4059

30' : 20012+6409
UC 4066

37' : 20023+6515
STI 941

47' : 20074+6511
HJL1102

48' : 20047+6353
STF2640AB

55' : 20102+6419
STI 950

56' : 20052+6346
BU 470

59' : 19546+6408
AG 394

60' : 20056+6342
STF2642AB

63' : 20119+6431
STF2660

63' : 19567+6347
DAM 311

64' : 19567+6346
VAT 5

65' : 20061+6538
TDT1975

66' : 20085+6346
STI 947

68' : 19528+6411
STF2604

69' : 20034+6330
STF2632

73' : 19563+6337
UC 4055

76' : 19530+6352
HU 954

76' : 20010+6323
STI 940

77' : 20142+6429
STI 958

78' : 19579+6326
HU 955

82' : 20086+6328
STI 948

84' : 19508+6400
STI 931



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.

20023+6438 STTA 200 AB (65 Dra)

 
 
20h 02m 20.16s +64° 38' 03.8" P.A. 332.00 sep 98.9 mag 6.36,8.06 Sp G7III: dist. 110.5 pc (360.45 l.y.)
 
 
Coord 2000 20023+6438 Discov num STTA200 Comp AB Coord arcsec 2000 20 02 20.16 +64 38 03.8
Date first 1875 Date last 2018 Obs 27
Pa first 338 Pa last 332.3 P.A. Now (θ) 332.3°
Sep first 96.7 Sep last 98.939 Sep. Now (ρ) 98.939"
Mag pri 6.36 Mag sec 8.06 delta mag (ΔM) 1.7 Spectral class G7III: (yellow)
Pri motion ra +042 Sec motion ra +042
Pri motion dec +012 Sec motion dec +011
Notes N T (See Notes, Parallax indicates physical)
rPM=0.023 (< 0.3, Physical double)
This double is physical.
 
 
20023+6438 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 65 Dra 18669 20 02 20 +64 38 04 STTA 200 AB 2018 27 332 98.9 6.36 8.06 1.70 <===
Show 18669 20 02 20 +64 38 04 STTA 200 AC 2018 8 190 27.0 6.36 11.70 5.34
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name 65 Dra Constellation Draco SAO 18669 HIP 98658
Tycho2 4240-00150-1 Gaia DR2 2247463722077719296 HD 190713 HR 7682
GC 27829 BD BD+64 1407 Flamsteed 65 Draconis Flamsteed name 65 Dra
Distance 110.5 Distance ly 360.45
 
 
WDS 20023+6438 STTA 200 AB (65 Dra) : NOTES
 
 
discov_num notes refcode
STTA200 65 Dra. B is BD+64@1406.
 
 
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
20023+6438 STTA200 AB 1999 23 333 98.6 6.36 8.06 G7III: N D 200220.16+643803.8
20023+6438 STTA200 AB 2003 25 333 98.8 6.36 8.06 G7III: N D 200220.16+643803.8
20023+6438 STTA200 AB 2017 26 332 99.3 6.36 8.06 G7III: N 200220.16+643803.8
20023+6438 STTA200 AB 2018 27 332 98.9 6.36 8.06 G7III: NT 200220.16+643803.8

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

 
 
WDS 20023+6438 STTA 200 AB (65 Dra) : VISUAL OBSERVATIONS REPORTS
 
 
Show date username difficulty separation pa_estim interest notes
Show 23/05/19 Daedalus1 mean difficulty separated 332   Very wide, white pair, C component was not visible; transparency hindered by smoke.

 
 
WDS 20023+6438 STTA 200 AB (65 Dra) : MEASURES
 
 
Records found: 1
Show date username difficulty sep sep_sigma pa pa_sigma delta_mag # notes
Show 23/05/19 Daedalus1 mean difficulty 99.80 0.10 332.00 0.00 1.70 12 Pickering 7, good
 
 
WDS 20023+6438 (65 Dra) : VIRTUAL EYEPIECE
 
 

20023+6438 STTA200A mag 6.36 Sp G7III: 20023+6438 STTA200B sep 89.8 P.A. 347.30 mag 8.06 20023+6438 STTA200C sep 26.6 P.A. 184.40 mag 11.7 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 20023+6438 (65 Dra) : ALADIN DSS IMAGE @ 20h 02m 20.16s +64° 38' 03.8"
 
 
 
 
WDS 20023+6438 STTA 200 AB (65 Dra) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20023+6438 STTA200AB distance=0' 20015+6449 H 6 38AB distance=13' 20042+6434 BU 1479 distance=13' 20035+6412 TDT1939 distance=28' 19582+6430 UC 4059 distance=28' 20012+6409 UC 4066 distance=30' 20023+6515 STI 941 distance=37' 20074+6511 HJL1102 distance=47' 20047+6353 STF2640AB distance=48' 20047+6353 STF2640AC distance=48' 20102+6419 STI 950 distance=55' 20052+6346 BU 470 distance=56' 19546+6408 AG 394 distance=59' 20056+6342 STF2642AB distance=60' 20056+6342 STF2642AC distance=60' 20119+6431 STF2660 distance=63' 19567+6347 DAM 311 distance=63' 19567+6346 VAT 5 distance=64' 20061+6538 TDT1975 distance=65' 20085+6346 STI 947 distance=66' 19528+6411 STF2604 distance=68' 20034+6330 STF2632 distance=69' 19563+6337 UC 4055 distance=73' 19530+6352 HU 954 distance=76' 20010+6323 STI 940 distance=76' 20142+6429 STI 958 distance=77' 19579+6326 HU 955 distance=78' 20086+6328 STI 948 distance=82' 19508+6400 STI 931 distance=84' 19545+6330 STI 935 distance=86' 19506+6359 TDT1797 distance=87' 19528+6337 MLR 51 distance=87' 19510+6353 UC 4038 distance=87' 20137+6353 LDS2449 distance=87' 20117+6542 TDT2071 distance=88' 20154+6412 MLR 60AB distance=89' 20154+6412 LDS5245AC distance=89' 20154+6412 SHY 772AD distance=89' 19481+6438 J 1354 distance=92' 19579+6258 HJ 2923AB distance=93' 19473+6441 ES 199 distance=97' 20171+6410 STI 961 distance=101' 19476+6403 ES 1917 distance=102' 19471+6411 TDT1742 distance=103' 19472+6403 RAO 613 distance=105' 19579+6258 BU 9035CD distance=105' 20070+6618 STF2650 distance=105' 19562+6618 HU 1307 distance=108' 19456+6447 NSN 722 distance=108' 19573+6253 HDS2841 distance=111' 20183+6526 MLB 219 distance=114' 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 20023+6438 STTA200 AB 332 98.9
Show 20023+6438 STTA200 AC 190 27.0
Show 20015+6449 H 6 38 AB 171 193.1 13
Show 20042+6434 BU 1479 46 43.0 13
Show 20035+6412 TDT1939 330 0.8 28
Show 19582+6430 UC 4059 43 8.6 28
Show 20012+6409 UC 4066 95 15.8 30
Show 20023+6515 STI 941 96 11.7 37
Show 20074+6511 HJL1102 123 126.7 47
Show 20047+6353 STF2640 AB 14 5.7 48
Show 20047+6353 STF2640 AC 81 153.0 48
Show 20102+6419 STI 950 200 6.5 55
Show 20052+6346 BU 470 210 2.6 56
Show 19546+6408 AG 394 274 22.1 59
Show 20056+6342 STF2642 AB 191 1.8 60
Show 20056+6342 STF2642 AC 34 68.6 60
Show 20119+6431 STF2660 166 22.3 63
Show 19567+6347 DAM 311 70 9.5 63
Show 19567+6346 VAT 5 215 6.4 64
Show 20061+6538 TDT1975 274 0.8 65
Show 20085+6346 STI 947 320 11.1 66
Show 19528+6411 STF2604 182 28.0 68
Show 20034+6330 STF2632 299 26.2 69
Show 19563+6337 UC 4055 134 61.1 73
Show 19530+6352 HU 954 214 0.1 76
Show 20010+6323 STI 940 69 14.1 76
Show 20142+6429 STI 958 6 7.3 77
Show 19579+6326 HU 955 338 3.0 78
Show 20086+6328 STI 948 321 17.9 82
Show 19508+6400 STI 931 19 15.9 84
Show 19545+6330 STI 935 31 11.0 86
Show 19506+6359 TDT1797 168 0.8 87
Show 19528+6337 MLR 51 243 1.3 87
Show 19510+6353 UC 4038 338 11.4 87
Show 20137+6353 LDS2449 165 24.9 87
Show 20117+6542 TDT2071 65 0.8 88
Show 20154+6412 MLR 60 AB 173 0.2 89
Show 20154+6412 LDS5245 AC 122 20.0 89
Show 20154+6412 SHY 772 AD 247 999.9 89
Show 19481+6438 J 1354 189 3.5 92
Show 19579+6258 HJ 2923 AB 351 28.5 93
Show 19473+6441 ES 199 168 7.0 97
Show 20171+6410 STI 961 179 6.7 101
Show 19476+6403 ES 1917 340 8.0 102
Show 19471+6411 TDT1742 97 1.6 103
Show 19472+6403 RAO 613 203 0.2 105
Show 19579+6258 BU 9035 CD 237 47.2 105
Show 20070+6618 STF2650 228 21.9 105
Show 19562+6618 HU 1307 25 1.0 108
Show 19456+6447 NSN 722 188 1.2 108
Show 19573+6253 HDS2841 21 0.1 111

 
 
WDS 20023+6438 : COMPONENTS
 
 
  A B
B pa=347.3°
sep=89.79"
 
C pa=184.4°
sep=26.63"
pa=171.2°
sep=115.51"
 
 
20023+6438 A
 
 
Name 65 Dra Coord arcsec 2000 200220.16+643803.8 Mag 6.36 Spectral class G7III: (yellow)
PmRA 42.00 PmDE 12.0 SAO 18669 HIP 98658
Tycho2 4240-00150-1 HD 190713 HR 7682 GC 27829
BD BD+64 1407 Flamsteed 65 Draconis Flamsteed name 65 Dra
Tycho2
Tycho2 4240-00150-1 Pflag RAmdeg 300.58423317 DEmdeg 64.63442163
PmRA 41.7 PmDE 12.2 E RAmdeg 4 E DEmdeg 4
E pmRA 1.1 E pmDE 1.3 EpRAm 1991.47 EpDEm 1991.51
Num 12 Q RAmdeg 0.5 Q DEmdeg 0.5 Q pmRA 0.5
Q pmDE 0.5 BTmag 7.420 E BTmag 0.015 VTmag 6.363
E VTmag 0.010 Prox 986 TYC T HIP 98658
CCDM RAdeg 300.58400944 DEdeg 64.63439333 EpRA 1990 1.73
EpDE 1990 1.69 E RAdeg 3.9 E DEdeg 4.0 Posflg
Corr 0.0
SAO
SAO 18669 DelFlag RA1950 PmRA1950 0.0066
DE1950 PmDE1950 0.012 Vmag 6.6 SpType G5
Double code Source 70 CatNum 27829 DM BD+64 1407
DMcomp BDsup HD 190713 M HD 0
GC 27829 RA1950rad 5.24377842 DE1950rad 1.12561294 PmRA2000 0.0072
PmDE2000 0.01
Hipparcos
Catalog H HIP 98658 Proxy RAhms 20 02 20.16
DEdms +64 38 03.8 Vmag 6.27 VarFlag R Vmag H
RAdeg 300.584 DEdeg 64.6344 AstroRef Plx 9.72
CCDM 20023+6438 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 190713 BD BD+64 1407
CD CP Dm number +64 1407 VIred 0.92
SpType G7III: R SpType Coord arcsec 2000 200220.16+643803.8
Hipparcos 2
HIP 98658 Sn 5 So 0 Nc 1
RArad 5.2461804628 DErad 1.1280829457 Plx 9.05 PmRA 41.91
PmDE 10.9 E RArad 0.22 E DErad 0.21 E Plx 0.23
E pmRA 0.2 E pmDE 0.27 Hpmag 6.4277 E Hpmag 0.0006
SHp 0.005 VA 0 BV 0.927 E BV 0.006
VI 0.92
CCDM
Ccdm 20023+6438 RComp Comp A Note1
Note2 Discov num DRAs 2.15 DDEs 3.9
R dRAs 10 Year Theta Rho
Obs 3 Vmag 6.6 Sp G5 PmNote *
PmRA 32 PmDE 18 Dm number +64 1407 Cat1 BD
Name2 +64 958 Cat2 AGK2/3 HD 190713 M HD
ADS BDS B 9907 M ADS BDS N IDS IDS 20012N6421A
HIC 98658
 
 
20023+6438 B
 
 
Coord arcsec 2000 200217.09+643931.4 Mag 8.06 PmRA 42.00 PmDE 11.0
Calc delta mag 1.7 Calc coord yes
CCDM
Ccdm 20023+6438 RComp Comp B Note1
Note2 Discov num STT4200 DRAs -4.85 DDEs 91.8
R dRAs 10 Year 1875 Theta 336 Rho 96.8
Obs 8 Vmag 8.7 Sp G5 PmNote *
PmRA -23 PmDE 7 Dm number +64 1406 Cat1 BD
Name2 +64 957 Cat2 AGK2/3 HD 190696 M HD
ADS BDS B 9907 M ADS BDS N IDS IDS 20012N6421B
HIC 98647
 
 
20023+6438 C
 
 
Coord arcsec 2000 200219.84+643737.3 Mag 11.7 Calc delta mag 5.34 Calc coord yes