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Doubles in session


Current system
21395+5438
ES 1008
HD 235580


Nearby doubles
18' : 21406+5423
BKO 899

21' : 21406+5419
ES 35AB

23' : 21391+5500
STI2580

25' : 21406+5416
BKO 900

28' : 21366+5449
A 1699

30' : 21400+5407
GIC 169

32' : 21429+5448
STI2587

35' : 21398+5403
TDT3093

39' : 21405+5401
RAO 464

39' : 21376+5403
HDS3078

46' : 21359+5511
STI2575

50' : 21451+5432
TDT3135

51' : 21452+5431
HDS3098

54' : 21338+5419
HDS3069

54' : 21442+5513
A 1896

56' : 21399+5533
TDT3096

56' : 21372+5346
MLR 609

58' : 21345+5517
STI2573

60' : 21434+5526
ES 1010

61' : 21403+5338
TDT3099

63' : 21327+5459
HDS3063

64' : 21436+5346
BKO 901

64' : 21435+5345
DAM 233

64' : 21358+5343
TDT3048

64' : 21443+5350
DAM 234

66' : 21344+5349
GIC 167



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.

21395+5438 ES 1008 (HD 235580)

 
 
21h 39m 28.82s +54° 37' 33.1" P.A. 308.00 sep 8.4 mag 9.29,12.00 Sp B8 dist. 534.76 pc (1744.39 l.y.)
 
 
Coord 2000 21395+5438 Discov num ES 1008 Comp Coord arcsec 2000 21 39 28.82 +54 37 33.1
Date first 1910 Date last 2015 Obs 12
Pa first 310 Pa last 308.4 P.A. Now (θ) 308.4°
Sep first 8.3 Sep last 8.369 Sep. Now (ρ) 8.369"
Mag pri 9.29 Mag sec 12.00 delta mag (ΔM) 2.71 Spectral class B8 (blue-white)
Pri motion ra +000 Sec motion ra -014
Pri motion dec -004 Sec motion dec -002
Notes
rPM=1
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 235580 Constellation Cygnus SAO 33635 HIP 106939
Tycho2 3971-00396-1 Gaia DR2 2174358121677890816 HD 235580 BD BD+53 2677
Distance 534.76 Distance ly 1744.39
 
 
WDS 21395+5438 ES 1008 (HD 235580) : 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Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E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
21395+5438 ES 1008 2000 6 308 8.3 9.29 12.00 B8 D 213928.82+543733.1
21395+5438 ES 1008 2003 7 309 8.4 9.29 12.00 B8 D 213928.82+543733.1
21395+5438 ES 1008 2010 8 310 8.3 9.29 12.00 B8 213928.82+543733.1
21395+5438 ES 1008 2015 9 308 8.4 9.29 12.00 B8 213928.82+543733.1

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

 
 
WDS 21395+5438 ES 1008 (HD 235580) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21395+5438 ES 1008 (HD 235580) : MEASURES
 
 
No records found.

 
 
WDS 21395+5438 (HD 235580) : VIRTUAL EYEPIECE
 
 

21395+5438 ES 1008A mag 9.29 Sp B8 21395+5438 ES 1008B sep 6.4 P.A. 323.90 mag 12 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 21395+5438 (HD 235580) : ALADIN DSS IMAGE @ 21h 39m 28.82s +54° 37' 33.1"
 
 
 
 
WDS 21395+5438 ES 1008 (HD 235580) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21395+5438 ES 1008 distance=0' 21406+5423 BKO 899 distance=18' 21406+5419 ES 35AB distance=21' 21406+5419 ES 35AC distance=21' 21406+5419 ABH 149AD distance=21' 21406+5419 ABH 149AE distance=21' 21406+5419 ABH 149AF distance=21' 21406+5419 ABH 149AG distance=21' 21406+5419 ABH 149AH distance=21' 21406+5419 ABH 149AI distance=21' 21406+5419 ABH 149AJ distance=21' 21406+5419 ABH 149AK distance=21' 21391+5500 STI2580 distance=23' 21406+5416 BKO 900 distance=25' 21366+5449 A 1699 distance=28' 21400+5407 GIC 169 distance=30' 21429+5448 STI2587 distance=32' 21398+5403 TDT3093 distance=35' 21405+5401 RAO 464 distance=39' 21376+5403 HDS3078 distance=39' 21359+5511 STI2575 distance=46' 21451+5432 TDT3135 distance=50' 21452+5431 HDS3098 distance=51' 21338+5419 HDS3069 distance=54' 21442+5513 A 1896 distance=54' 21399+5533 TDT3096 distance=56' 21372+5346 MLR 609 distance=56' 21345+5517 STI2573 distance=58' 21434+5526 ES 1010 distance=60' 21403+5338 TDT3099 distance=61' 21327+5459 HDS3063 distance=63' 21436+5346 BKO 901 distance=64' 21435+5345 DAM 233 distance=64' 21358+5343 TDT3048 distance=64' 21443+5350 DAM 234 distance=64' 21344+5349 GIC 167 distance=66' 21378+5333 TDT3067 distance=67' 21438+5343 BKO 902 distance=67' 21465+5411 TDT3152 distance=67' 21455+5356 TDT3140 distance=68' 21439+5344 HJ 3058 distance=68' 21441+5342 BKO 903 distance=69' 21443+5342 BKO 904 distance=70' 21376+5546 BU 686AB distance=71' 21376+5546 STTA220AC distance=71' 21376+5546 STTA220AD distance=71' 21388+5548 BU 687AB distance=71' 21388+5548 BU 687AC distance=71' 21439+5540 A 1895 distance=73' 21477+5419 ES 1013 distance=74' 21351+5538 STI2574 distance=75' 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 21395+5438 ES 1008 308 8.4
Show 21406+5423 BKO 899 154 7.5 18
Show 21406+5419 ES 35 AB 219 8.6 21
Show 21406+5419 ES 35 AC 28 18.2 21
Show 21406+5419 ABH 149 AD 304 11.6 21
Show 21406+5419 ABH 149 AE 252 77.0 21
Show 21406+5419 ABH 149 AF 348 64.5 21
Show 21406+5419 ABH 149 AG 303 89.9 21
Show 21406+5419 ABH 149 AH 294 87.0 21
Show 21406+5419 ABH 149 AI 280 83.8 21
Show 21406+5419 ABH 149 AJ 241 127.9 21
Show 21406+5419 ABH 149 AK 228 100.6 21
Show 21391+5500 STI2580 31 5.2 23
Show 21406+5416 BKO 900 172 5.4 25
Show 21366+5449 A 1699 97 4.7 28
Show 21400+5407 GIC 169 78 1.2 30
Show 21429+5448 STI2587 108 8.9 32
Show 21398+5403 TDT3093 333 0.4 35
Show 21405+5401 RAO 464 334 1.9 39
Show 21376+5403 HDS3078 222 0.3 39
Show 21359+5511 STI2575 192 7.2 46
Show 21451+5432 TDT3135 194 2.2 50
Show 21452+5431 HDS3098 61 19.9 51
Show 21338+5419 HDS3069 41 0.4 54
Show 21442+5513 A 1896 174 3.8 54
Show 21399+5533 TDT3096 36 1.0 56
Show 21372+5346 MLR 609 41 1.0 56
Show 21345+5517 STI2573 4 9.4 58
Show 21434+5526 ES 1010 104 2.1 60
Show 21403+5338 TDT3099 259 2.1 61
Show 21327+5459 HDS3063 2 0.3 63
Show 21436+5346 BKO 901 142 8.2 64
Show 21435+5345 DAM 233 227 8.3 64
Show 21358+5343 TDT3048 222 0.6 64
Show 21443+5350 DAM 234 231 7.3 64
Show 21344+5349 GIC 167 45 26.8 66
Show 21378+5333 TDT3067 34 0.8 67
Show 21438+5343 BKO 902 329 6.9 67
Show 21465+5411 TDT3152 314 0.5 67
Show 21455+5356 TDT3140 257 1.1 68
Show 21439+5344 HJ 3058 264 9.1 68
Show 21441+5342 BKO 903 270 12.1 69
Show 21443+5342 BKO 904 324 4.4 70
Show 21376+5546 BU 686 AB 311 1.0 71
Show 21376+5546 STTA220 AC 10 41.4 71
Show 21376+5546 STTA220 AD 285 40.9 71
Show 21388+5548 BU 687 AB 1 0.6 71
Show 21388+5548 BU 687 AC 203 54.5 71
Show 21439+5540 A 1895 60 4.0 73
Show 21477+5419 ES 1013 15 2.2 74
Show 21351+5538 STI2574 37 10.6 75

 
 
WDS 21395+5438 : COMPONENTS
 
 
  A
B pa=323.9°
sep=6.44"
 
 
21395+5438 A
 
 
Componente originario normalizzato AB Name HD 235580 Coord arcsec 2000 213928.82+543733.1 Mag 9.29
Spectral class B8 (blue-white) PmRA 0.00 PmDE -4.0 SAO 33635
HIP 106939 Tycho2 3971-00396-1 HD 235580 BD BD+53 2677
Tycho2
Tycho2 3971-00396-1 Pflag RAmdeg 324.87010207 DEmdeg 54.62587005
PmRA 2.6 PmDE -3.0 E RAmdeg 11 E DEmdeg 11
E pmRA 1.4 E pmDE 1.5 EpRAm 1990.68 EpDEm 1990.79
Num 8 Q RAmdeg 0.8 Q DEmdeg 0.9 Q pmRA 0.9
Q pmDE 0.9 BTmag 9.814 E BTmag 0.022 VTmag 9.294
E VTmag 0.018 Prox 83 TYC T HIP 106939
CCDM A RAdeg 324.87009250 DEdeg 54.62587750 EpRA 1990 1.69
EpDE 1990 1.73 E RAdeg 11.0 E DEdeg 10.9 Posflg
Corr 0.0
SAO
SAO 33635 DelFlag RA1950 PmRA1950 -0.0009
DE1950 PmDE1950 0.004 Vmag 8.8 SpType B8
Double code Source 37 CatNum 7205 DM BD+53 2677
DMcomp BDsup HD 235580 M HD 0
GC RA1950rad 5.66280952 DE1950rad 0.94943939 PmRA2000 -0.0006
PmDE2000 0.001
Hipparcos
Catalog H HIP 106939 Proxy H RAhms 21 39 28.82
DEdms +54 37 33.2 Vmag 9.17 VarFlag R Vmag H
RAdeg 324.87 DEdeg 54.6259 AstroRef A Plx 1.25
CCDM 21395+5438 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 309 Rho 8.314 HD 235580 BD BD+53 2677
CD CP Dm number +53 2677 VIred 0.51
SpType B8... R SpType Coord arcsec 2000 213928.82+543733.2
Hipparcos 2
HIP 106939 Sn 15 So 3 Nc 2
RArad 5.6700527744 DErad 0.9534014991 Plx 1.87 PmRA -0.07
PmDE -3.02 E RArad 0.87 E DErad 0.86 E Plx 1.1
E pmRA 0.99 E pmDE 0.98 Hpmag 9.2673 E Hpmag 0.0023
SHp 0.018 VA 0 BV 0.269 E BV 0.18
VI 0.51
CCDM
Ccdm 21395+5438 RComp Comp A Note1
Note2 Discov num DRAs -1.16 DDEs -26.9
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.0 Sp B8 PmNote *
PmRA 1 PmDE -1 Dm number +53 2677 Cat1 BD
Name2 +54 1434 Cat2 AGK2/3 HD 235580 M HD
ADS BDS A15190 M ADS BDS N IDS IDS 21362N5410A
HIC 106939
 
 
21395+5438 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 213928.38+543738.3 Mag 12 PmRA -14.00
PmDE -2.0 Calc delta mag 2.71 Calc coord yes
CCDM
Ccdm 21395+5438 RComp Comp B Note1
Note2 Discov num ES 1008 DRAs DDEs
R dRAs Year 1910 Theta 310 Rho 8.3
Obs 1 Vmag 12.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A15190 M ADS BDS N IDS IDS 21362N5410B
HIC 106939