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Doubles in session


Current system
21342+6400
ES 2712
HD 205664


Nearby doubles
12' : 21332+6410
MLB 223

16' : 21326+6350
ES 2711

24' : 21378+6402
HJ 1680AB

29' : 21339+6332
TDS1135

31' : 21297+6406
RAO 622

50' : 21394+6325
STI1044

53' : 21365+6449
MLB 224

55' : 21338+6454
HU 966

55' : 21389+6446
STI1043

62' : 21426+6429
KPP2415

67' : 21257+6325
STI1028AB

68' : 21410+6311
TDT3106

68' : 21402+6306
MLB 175

75' : 21231+6414
LDS4882

83' : 21311+6521
TDT3005

87' : 21356+6526
TOI2050

89' : 21236+6456
STF2798

93' : 21261+6517
TDT2961

93' : 21282+6525
HJ 1656AB

100' : 21493+6401
TDT3177

100' : 21309+6537
SKF2614

100' : 21359+6539
MLR 83AB

100' : 21466+6305
KPP4247

103' : 21288+6537
OSO 147AB

103' : 21331+6543
TDT3026

106' : 21490+6323
MLB 177



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.

21342+6400 ES 2712 (HD 205664)

 
 
21h 34m 11.60s +64° 00' 16.8" P.A. 228.00 sep 13.1 mag 7.89,12.30 Sp A2V dist. 273.22 pc (891.24 l.y.)
 
 
Coord 2000 21342+6400 Discov num ES 2712 Comp Coord arcsec 2000 21 34 11.60 +64 00 16.8
Date first 1921 Date last 2015 Obs 9
Pa first 228 Pa last 228 P.A. Now (θ) 228°
Sep first 13.0 Sep last 13.123 Sep. Now (ρ) 13.123"
Mag pri 7.89 Mag sec 12.30 delta mag (ΔM) 4.41 Spectral class A2V (white)
Pri motion ra +002 Sec motion ra -009
Pri motion dec -007 Sec motion dec -017
Notes
rPM=0.773
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 205664 Constellation Cepheus SAO 19502 HIP 106493
Tycho2 4257-02697-1 Gaia DR2 2217357268348311680 HD 205664 BD BD+63 1748
Distance 273.22 Distance ly 891.24
 
 
WDS 21342+6400 ES 2712 (HD 205664) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Es_1901 Mb - Espin, T.E. 1901AN....155..321E
Es_1901 AN 155, 321, 1901 (ES 1 - 39)
Es_1902a Ma - Espin, T.E. 1902AN....158..241E
Es_1902a +Mb AN 158, 241, 1902 (ES 40 - 112)
Es_1902b Mb - Espin, T.E. 1902MNRAS..62..528E
Es_1902b MNRAS 62, 528, 1902
Es_1902c Mb j Espin, T.E. 1902MNRAS..62..402E
Es_1902c MNRAS 62, 402, 1902
Es_1903 Mb - Espin, T.E. 1903MNRAS..63..172E
Es_1903 MNRAS 63, 172, 1903 (ES 113 - 150)
Es_1904a - Espin, T.E. 1904MNRAS..64..238E
Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E
Es_1904b Mb - Espin, T.E. 1904MNRAS..64..675E
Es_1904b MNRAS 64, 675, 1904
Es_1905 Mb - Espin, T.E. 1905MNRAS..65..710E
Es_1905 MNRAS 65, 710, 1905 (ES 151 - 221)
Es_1906a Mb - Espin, T.E. 1906MNRAS..66..141E
Es_1906a MNRAS 66, 141, 1906 (ES 222 - 269)
Es_1906b Mb - Espin, T.E. 1906MNRAS..66..430E
Es_1906b MNRAS 66, 430, 1906 (ES 270 - 311)
Es_1906C Mb - Espin, T.E. 1906QB821.B972.....
Es_1906C cited in BDS (Burnham Double Star Cat.), 1906
Es_1906D Mb - Espin, T.E. 1906MmRAS..56....1L
Es_1906D cited by Lewis (MemRAS 56, 1, 1906)
Es_1907a Mb j Espin, T.E. 1907MNRAS..67..190E
Es_1907a MNRAS 67, 190, 1907 (ES 312 - 403)
Es_1907b Mb - Espin, T.E. 1907MNRAS..67..495E
Es_1907b MNRAS 67, 495, 1907 (ES 404 - 442)
Es_1908a Mb j Espin, T.E. 1908MNRAS..68..202E
Es_1908a MNRAS 68, 202, 1908 (ES 443 - 551)
Es_1908b Mb - Espin, T.E. 1908MNRAS..68..523E
Es_1908b MNRAS 68, 523, 1908 (ES 552 - 609)
Es_1908c - Espin, T.E. 1908JRASC...2..248E
Es_1908c JRASC 2, 248, 1908 (data also in MNRAS 69, 218, 1909) 1909MNRAS..69..218E
Es_1909a Mb j Espin, T.E. 1909MNRAS..69..218E
Es_1909a MNRAS 69, 218, 1909 (ES 610 - 704)
Es_1909b Mb j Espin, T.E. 1909MNRAS..69..604E
Es_1909b MNRAS 69, 604, 1909 (ES 705 - 743)
Es_1910a Mb - Espin, T.E. 1910MNRAS..70..237E
Es_1910a MNRAS 70, 237, 1910 (ES 744 - 864)
Es_1910b Mb - Espin, T.E. 1910MNRAS..70..541E
Es_1910b MNRAS 70, 541, 1910 (ES 865 - 927)
Es_1911 Mb - Espin, T.E. 1911MNRAS..71..217E
Es_1911 MNRAS 71, 217, 1911 (ES 928 - 1051)
Es_1912 Mb - Espin, T.E. 1912MNRAS..72..191E
Es_1912 MNRAS 72, 191, 1912 (ES 1052 - 1125)
Es_1913 Mb j Espin, T.E. 1913MNRAS..73..162E
Es_1913 MNRAS 73, 162, 1913 (ES 1126 - 1191)
Es_1914 Mb j Espin, T.E. 1914MNRAS..74..244E
Es_1914 MNRAS 74, 244, 1914 (ES 1192 - 1293)
Es_1915a Mb - Espin, T.E. 1915MNRAS..75..203E
Es_1915a MNRAS 75, 203, 1915 (ES 1294 - 1356)
Es_1915b Mb - Espin, T.E. 1915MNRAS..75..555E
Es_1915b MNRAS 75, 555, 1915 (ES 1357 - 1405)
Es_1915c Mb - Espin, T.E. 1915MNRAS..76..210E
Es_1915c MNRAS 76, 210, 1915 (ES 1406 - 1479)
Es_1917 Mb - Espin, T.E. 1917MNRAS..77..236E
Es_1917 MNRAS 77, 236, 1917 (ES 1480 - 1600)
Es_1918 Mb j Espin, T.E. 1918MNRAS..78..189E
Es_1918 MNRAS 78, 189, 1918 (ES 1601 - 1705, MLB 1 - 35)
Es_1919 Mb - Espin, T.E. 1919MNRAS..79..211E
Es_1919 MNRAS 79, 211, 1919 (ES 1706 - 1768, MLB 36 - 106)
Es_1920 Mb - Espin, T.E. 1920MNRAS..80..329E
Es_1920 MNRAS 80, 329, 1920 (ES 1769 - 1805, MLB 107 - 149)
Es_1921 Mb j Espin, T.E. 1921MNRAS..81..232E
Es_1921 MNRAS 81, 232, 1921 (ES 1806 - 1864, MLB 150 - 182)
Es_1922 Mb - Espin, T.E. 1922MNRAS..82..187E
Es_1922 MNRAS 82, 187, 1922 (ES 1865 - 1933, MLB 183 - 241)
Es_1923 Mb - Espin, T.E. 1923MNRAS..83..154E
Es_1923 MNRAS 83, 154, 1923 (ES 1934 - 2006, MLB 242 - 275)
Es_1924 Mb - Espin, T.E. 1924MNRAS..84..162E
Es_1924 MNRAS 84, 162, 1924 (ES 2007 - 2078, MLB 276 - 322)
Es_1925a Mb - Espin, T.E. 1925MNRAS..85..276E
Es_1925a MNRAS 85, 276, 1925 (ES 2079 - 2137, MLB 323 - 376)
Es_1925b Mb - Espin, T.E. 1925MNRAS..86...79E
Es_1925b MNRAS 86, 79, 1925
Es_1926 Mb - Espin, T.E. 1926MNRAS..86..131E
Es_1926 MNRAS 86, 131, 1926 (ES 2138 - 2209, MLB 377 - 440)
Es_1927 Mb - Espin, T.E. 1927MNRAS..87..215E
Es_1927 MNRAS 87, 215, 1927 (ES 2210 - 2273, MLB 441 - 510)
Es_1928 Mb - Espin, T.E. 1928MNRAS..88..185E
Es_1928 MNRAS 88, 185, 1928 (ES 2274 - 2328, MLB 511 - 551)
Es_1929 Mb - Espin, T.E. 1929MNRAS..89..268E
Es_1929 MNRAS 89, 268, 1929 (ES 2329 - 2362, MLB 552 - 591)
Es_1930 Mb - Espin, T.E. 1930MNRAS..90..317E
Es_1930 MNRAS 90, 317, 1930 (ES 2363 - 2400, MLB 592 - 630)
Es_1931 Mb - Espin, T.E. 1931MNRAS..91..294E
Es_1931 MNRAS 91, 294, 1931 (ES 2401 - 2444, MLB 631 - 673)
Es_1932a Mb - Espin, T.E. 1932MNRAS..92..214E
Es_1932a MNRAS 92, 214, 1932 (ES 2445 - 2543, MLB 674 - 732)
Es_1932B Mb - Espin, T.E. 1932QB821.A43......
Es_1932B cited in ADS (Aitken Double Star Cat.), 1932
Es_1933 Mb - Espin, T.E. 1933MNRAS..93..192E
Es_1933 MNRAS 93, 192, 1933 (ES 2544 - 2575, MLB 733 - 806)
Es_1937A Mb - Espin, T.E. 1937AnLei..18....1S
Es_1937A cited by Strand (Ann. Sterrew. Leiden 18, 1937)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21342+6400 ES 2712 1999 2 228 13.1 7.80 12.30 A2V D 213411.60+640016.8
21342+6400 ES 2712 2003 3 228 13.1 7.80 12.30 A2V D 213411.60+640016.8
21342+6400 ES 2712 2012 4 228 13.2 7.80 12.30 A2V D 213411.60+640016.8
21342+6400 ES 2712 2015 6 228 13.1 7.89 12.30 A2V 213411.60+640016.8

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

 
 
WDS 21342+6400 ES 2712 (HD 205664) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21342+6400 ES 2712 (HD 205664) : MEASURES
 
 
No records found.

 
 
WDS 21342+6400 (HD 205664) : VIRTUAL EYEPIECE
 
 

21342+6400 ES 2712A mag 7.89 Sp A2V 21342+6400 ES 2712B sep 9.8 P.A. 206.00 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 21342+6400 (HD 205664) : ALADIN DSS IMAGE @ 21h 34m 11.60s +64° 00' 16.8"
 
 
 
 
WDS 21342+6400 ES 2712 (HD 205664) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21342+6400 ES 2712 distance=1' 21332+6410 MLB 223 distance=12' 21326+6350 ES 2711 distance=16' 21378+6402 HJ 1680AB distance=24' 21378+6402 HJ 1680AC distance=24' 21339+6332 TDS1135 distance=29' 21297+6406 RAO 622 distance=31' 21394+6325 STI1044 distance=50' 21365+6449 MLB 224 distance=53' 21338+6454 HU 966 distance=55' 21389+6446 STI1043 distance=55' 21426+6429 KPP2415 distance=62' 21257+6325 MRI 38BC distance=67' 21257+6325 STI1028AB distance=67' 21410+6311 TDT3106 distance=68' 21402+6306 MLB 175 distance=68' 21439+6336 STF2827A,BC distance=69' 21439+6336 STF2827BC distance=69' 21231+6414 LDS4882 distance=75' 21311+6521 TDT3005 distance=83' 21356+6526 TOI2050 distance=87' 21236+6456 STF2798 distance=89' 21261+6517 TDT2961 distance=93' 21282+6525 HJ 1656AB distance=93' 21282+6525 HJ 1656AC distance=93' 21282+6525 ABH 145AD distance=93' 21282+6525 ABH 145AE distance=93' 21282+6525 ABH 145AF distance=93' 21282+6525 ABH 145AG distance=93' 21282+6525 ABH 145AH distance=93' 21282+6525 ES 1919AI distance=93' 21493+6401 TDT3177 distance=100' 21309+6537 SKF2614 distance=100' 21359+6539 MLR 83AB distance=100' 21359+6539 MLR 83AB,C distance=100' 21466+6305 KPP4247 distance=100' 21288+6537 OSO 147AB distance=103' 21288+6537 OSO 147AC distance=103' 21288+6537 OSO 147AD distance=103' 21331+6543 TDT3026 distance=103' 21490+6323 MLB 177 distance=106' 21505+6401 ES 1920 distance=108' 21184+6334 MLR 57 distance=108' 21338+6549 AZC 181 distance=109' 21464+6250 STI1049 distance=109' 21508+6400 MRI 57BC distance=109' 21508+6400 STI1061AB distance=110' 21508+6400 MRI 57AC distance=110' 21492+6312 HEI 290 distance=112' 21511+6401 STF2842 distance=112' 21512+6414 ES 1921 distance=113' 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 21342+6400 ES 2712 228 13.1 1
Show 21332+6410 MLB 223 129 1.7 12
Show 21326+6350 ES 2711 351 12.4 16
Show 21378+6402 HJ 1680 AB 268 15.8 24
Show 21378+6402 HJ 1680 AC 222 21.9 24
Show 21339+6332 TDS1135 28 0.9 29
Show 21297+6406 RAO 622 320 2.4 31
Show 21394+6325 STI1044 195 5.3 50
Show 21365+6449 MLB 224 104 6.1 53
Show 21338+6454 HU 966 335 0.5 55
Show 21389+6446 STI1043 46 5.4 55
Show 21426+6429 KPP2415 18 21.0 62
Show 21257+6325 MRI 38 BC 53 8.5 67
Show 21257+6325 STI1028 AB 343 6.7 67
Show 21410+6311 TDT3106 231 0.6 68
Show 21402+6306 MLB 175 85 2.9 68
Show 21439+6336 STF2827 A,BC 198 5.9 69
Show 21439+6336 STF2827 BC 319 0.8 69
Show 21231+6414 LDS4882 160 11.2 75
Show 21311+6521 TDT3005 253 0.4 83
Show 21356+6526 TOI2050 109 12.2 87
Show 21236+6456 STF2798 143 6.4 89
Show 21261+6517 TDT2961 85 4.9 93
Show 21282+6525 HJ 1656 AB 164 13.5 93
Show 21282+6525 HJ 1656 AC 14 15.1 93
Show 21282+6525 ABH 145 AD 68 98.5 93
Show 21282+6525 ABH 145 AE 96 64.3 93
Show 21282+6525 ABH 145 AF 182 49.5 93
Show 21282+6525 ABH 145 AG 190 55.6 93
Show 21282+6525 ABH 145 AH 247 78.6 93
Show 21282+6525 ES 1919 AI 23 8.2 93
Show 21493+6401 TDT3177 89 0.4 100
Show 21309+6537 SKF2614 236 54.9 100
Show 21359+6539 MLR 83 AB 321 0.5 100
Show 21359+6539 MLR 83 AB,C 10 23.9 100
Show 21466+6305 KPP4247 34 1.9 100
Show 21288+6537 OSO 147 AB 211 23.1 103
Show 21288+6537 OSO 147 AC 287 24.7 103
Show 21288+6537 OSO 147 AD 119 22.3 103
Show 21331+6543 TDT3026 225 2.3 103
Show 21490+6323 MLB 177 57 2.6 106
Show 21505+6401 ES 1920 152 4.6 108
Show 21184+6334 MLR 57 124 1.0 108
Show 21338+6549 AZC 181 170 7.3 109
Show 21464+6250 STI1049 90 4.5 109
Show 21508+6400 MRI 57 BC 273 8.8 109
Show 21508+6400 STI1061 AB 312 8.0 110
Show 21508+6400 MRI 57 AC 292 15.9 110
Show 21492+6312 HEI 290 7 1.2 112
Show 21511+6401 STF2842 102 3.5 112
Show 21512+6414 ES 1921 173 4.5 113

 
 
WDS 21342+6400 : COMPONENTS
 
 
  A
B pa=206.0°
sep=9.77"
 
 
21342+6400 A
 
 
Componente originario normalizzato AB Name HD 205664 Coord arcsec 2000 213411.60+640016.8 Mag 7.89
Spectral class A2V (white) PmRA 2.00 PmDE -7.0 SAO 19502
HIP 106493 Tycho2 4257-02697-1 HD 205664 BD BD+63 1748
Tycho2
Tycho2 4257-02697-1 Pflag RAmdeg 323.54835667 DEmdeg 64.00464289
PmRA 3.0 PmDE -8.3 E RAmdeg 5 E DEmdeg 5
E pmRA 1.9 E pmDE 1.8 EpRAm 1991.56 EpDEm 1991.60
Num 7 Q RAmdeg 0.4 Q DEmdeg 0.8 Q pmRA 0.5
Q pmDE 0.8 BTmag 8.042 E BTmag 0.015 VTmag 7.895
E VTmag 0.011 Prox 999 TYC T HIP 106493
CCDM RAdeg 323.54834083 DEdeg 64.00466194 EpRA 1990 1.67
EpDE 1990 1.73 E RAdeg 4.5 E DEdeg 4.6 Posflg
Corr 0.0
SAO
SAO 19502 DelFlag RA1950 PmRA1950 -0.0034
DE1950 PmDE1950 -0.05 Vmag 7.9 SpType A0
Double code Source 2 CatNum 1188 DM BD+63 1748
DMcomp BDsup HD 205664 M HD 0
GC RA1950rad 5.64170411 DE1950rad 1.11318929 PmRA2000 -0.003
PmDE2000 -0.055
Hipparcos
Catalog H HIP 106493 Proxy RAhms 21 34 11.60
DEdms +64 00 16.8 Vmag 7.89 VarFlag R Vmag H
RAdeg 323.548 DEdeg 64.0047 AstroRef Plx 4.02
CCDM 21342+6400 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 205664 BD BD+63 1748
CD CP Dm number +63 1748 VIred 0.12
SpType A0 R SpType Coord arcsec 2000 213411.60+640016.8
Hipparcos 2
HIP 106493 Sn 5 So 0 Nc 1
RArad 5.6469838186 DErad 1.1170920816 Plx 3.66 PmRA 3.88
PmDE -9.2 E RArad 0.41 E DErad 0.41 E Plx 0.45
E pmRA 0.52 E pmDE 0.49 Hpmag 7.9375 E Hpmag 0.001
SHp 0.011 VA 0 BV 0.135 E BV 0.012
VI 0.15
CCDM
Ccdm 21342+6400 RComp Comp A Note1
Note2 Discov num DRAs -0.44 DDEs 16.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.8 Sp A0 PmNote *
PmRA -2 PmDE -13 Dm number +63 1748 Cat1 BD
Name2 +63 1188 Cat2 AGK2/3 HD 205664 M HD
ADS BDS A15108 M ADS BDS N IDS IDS 21317N6334A
HIC 106493
 
 
21342+6400 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 213410.95+640008.0 Mag 12.3 PmRA -9.00
PmDE -17.0 Calc delta mag 4.41 Calc coord yes
CCDM
Ccdm 21342+6400 RComp Comp B Note1
Note2 Discov num ES DRAs DDEs
R dRAs Year 1921 Theta 228 Rho 13.0
Obs 1 Vmag 12.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A15108 M ADS BDS N IDS IDS 21317N6334B
HIC