20343+4520 ES 804 BC

 
 
20h 34m 21.43s +45° 20' 09.1" P.A. 128.00 sep 2.2 mag 11.52,12.60
 
 
Coord 2000 20343+4520 Discov num ES  804 Comp BC Coord arcsec 2000 20 34 21.43 +45 20 09.1
Date first 1909 Date last 2009 Obs 4
Pa first 123 Pa last 128.4 P.A. Now (θ) 128.4°
Sep first 2.4 Sep last 2.245 Sep. Now (ρ) 2.245"
Mag pri 11.52 Mag sec 12.60 delta mag (ΔM) 1.08 Spectral class
Pri motion ra -008 Sec motion ra
Pri motion dec -002 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20343+4520 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 34 19 +45 20 23 ES 804 AB 2015 12 117 30.8 10.56 11.52 0.96
Show 20 34 21 +45 20 09 ES 804 BC 2009 4 128 2.2 11.52 12.60 1.08 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3573-00996-1 Gaia DR2 2070740695624001152
 
 
WDS 20343+4520 ES 804 BC : 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Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E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
20343+4520 ES 804 BC 2002 3 127 2.2 9.60 10.70 203421.43+452009.1
20343+4520 ES 804 BC 2009 4 128 2.2 9.60 10.70 203421.43+452009.1

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

 
 
WDS 20343+4520 ES 804 BC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20343+4520 ES 804 BC : MEASURES
 
 
No records found.

 
 
WDS 20343+4520 : VIRTUAL EYEPIECE
 
 

20343+4520 ES  804A mag 10.56 20343+4520 ES  804B sep 30.9 P.A. 117.40 mag 11.52 20343+4520 ES  804C sep 32.6 P.A. 118.60 mag 12.6 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 20343+4520 : ALADIN DSS IMAGE @ 20h 34m 21.43s +45° 20' 09.1"
 
 
 
 
WDS 20343+4520 ES 804 BC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


20343+4520  ES  804BC distance=0' 20343+4520  ES  804AB distance=1' 20348+4531  ES  805 distance=12' 20338+4540  A   740 distance=21' 20317+4540  HJ 1533 distance=36' 20376+4504  HJ 1555 distance=39' 20360+4555  STJ 103 distance=40' 20295+4516  ES  662 distance=52' 20394+4530  TDS1087 distance=55' 20293+4508  RAO 434 distance=56' 20300+4556  LSC  91 distance=58' 20291+4544  BU 1135 distance=60' 20303+4439  ES 1441 distance=60' 20386+4438  ES  667 distance=62' 20305+4434  ES 1442 distance=62' 20328+4418  COU2645 distance=64' 20281+4509  TDS1075 distance=68' 20295+4437  TDT2320 distance=68' 20282+4458  ES  661 distance=69' 20373+4417  TDT2429 distance=70' 20277+4507  ROE  43AB distance=72' 20277+4507  ROE  43AC distance=72' 20277+4507  ROE  43AD distance=72' 20277+4507  ROE  43AE distance=72' 20277+4507  ROE  43AF distance=72' 20277+4507  ROE  43AG distance=72' 20277+4507  BKO 154AH distance=72' 20277+4507  BKO 154AI distance=72' 20277+4507  BKO 154CJ distance=73' 20277+4507  BKO 154EK distance=73' 20414+4517  H N  73 (Deneb) distance=75' 20326+4635  ES  664 distance=77' 20329+4636  KRV  41 distance=78' 20270+4539  HJ 1518 distance=80' 20339+4642  HDS2940Aa,Ab distance=82' 20339+4642  BU 1489AB distance=82' 20420+4532  BRT2271 distance=82' 20421+4532  BKO 157 distance=83' 20314+4403  ES 1443 distance=83' 20388+4629  BRT2268 distance=84' 20264+4520  KPP 472 distance=85' 20304+4634  ES  663 distance=86' 20325+4644  GII 101 distance=86' 20328+4646  POP 156 distance=88' 20272+4437  BRT2264 distance=88' 20427+4521  ES 1270 distance=89' 20340+4352  TDT2377 distance=89' 20423+4549  STT 411AB distance=89' 20423+4549  WAL 132AC distance=89' 20423+4549  BKO 158AF distance=89' 20423+4549  WAL 132BC distance=89' grafico limitrofi
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Pass over with the mouse cursor to display the catalog designation.

Show name coord_2000 discov# comp pa sep dist(')
Show 20343+4520 ES 804 BC 128 2.2
Show 20343+4520 ES 804 AB 117 30.8 1
Show 20348+4531 ES 805 152 7.9 12
Show 20338+4540 A 740 313 0.8 21
Show 20317+4540 HJ 1533 187 10.9 36
Show 20376+4504 HJ 1555 354 13.8 39
Show 20360+4555 STJ 103 338 1.3 40
Show 20295+4516 ES 662 142 5.7 52
Show 20394+4530 TDS1087 141 1.0 55
Show 20293+4508 RAO 434 162 1.2 56
Show 20300+4556 LSC 91 19 0.3 58
Show 20291+4544 BU 1135 335 1.5 60
Show 20303+4439 ES 1441 127 2.0 60
Show 20386+4438 ES 667 185 9.8 62
Show 20305+4434 ES 1442 265 2.7 62
Show 20328+4418 COU2645 290 0.1 64
Show 20281+4509 TDS1075 358 1.4 68
Show 20295+4437 TDT2320 223 0.7 68
Show 20282+4458 ES 661 156 6.9 69
Show 20373+4417 TDT2429 84 0.5 70
Show 20277+4507 ROE 43 AB 317 17.4 72
Show 20277+4507 ROE 43 AC 312 52.6 72
Show 20277+4507 ROE 43 AD 271 42.4 72
Show 20277+4507 ROE 43 AE 282 82.9 72
Show 20277+4507 ROE 43 AF 336 87.1 72
Show 20277+4507 ROE 43 AG 282 102.4 72
Show 20277+4507 BKO 154 AH 224 18.4 72
Show 20277+4507 BKO 154 AI 63 24.2 72
Show 20277+4507 BKO 154 CJ 331 17.9 73
Show 20277+4507 BKO 154 EK 109 4.7 73
Show Deneb 20414+4517 H N 73 105 75.6 75
Show 20326+4635 ES 664 55 9.0 77
Show 20329+4636 KRV 41 172 19.6 78
Show 20270+4539 HJ 1518 86 15.3 80
Show 20339+4642 HDS2940 Aa,Ab 46 0.3 82
Show 20339+4642 BU 1489 AB 16 116.5 82
Show 20420+4532 BRT2271 269 4.5 82
Show 20421+4532 BKO 157 240 8.9 83
Show 20314+4403 ES 1443 304 2.5 83
Show 20388+4629 BRT2268 320 3.4 84
Show 20264+4520 KPP 472 88 4.6 85
Show 20304+4634 ES 663 110 5.0 86
Show 20325+4644 GII 101 289 0.4 86
Show 20328+4646 POP 156 4 3.2 88
Show 20272+4437 BRT2264 4 3.0 88
Show 20427+4521 ES 1270 289 5.9 89
Show 20340+4352 TDT2377 210 0.5 89
Show 20423+4549 STT 411 AB 349 31.8 89
Show 20423+4549 WAL 132 AC 357 71.2 89
Show 20423+4549 BKO 158 AF 143 41.0 89
Show 20423+4549 WAL 132 BC 4 40.1 89

 
 
WDS 20343+4520 : COMPONENTS
 
 
  A B
B pa=117.4°
sep=30.87"
 
C pa=118.6°
sep=32.62"
pa=138.4°
sep=1.86"
 
 
20343+4520 A
 
 
Coord arcsec 2000 203418.83+452023.3 Mag 10.56 PmRA 16.00 PmDE -8.0
Tycho2 3573-00570-1
Tycho2
Tycho2 3573-00570-1 Pflag RAmdeg 308.57846329 DEmdeg 45.33981577
PmRA 16.6 PmDE -6.8 E RAmdeg 28 E DEmdeg 26
E pmRA 1.1 E pmDE 1.1 EpRAm 1981.73 EpDEm 1982.71
Num 6 Q RAmdeg 2.0 Q DEmdeg 2.1 Q pmRA 2.0
Q pmDE 2.0 BTmag 11.072 E BTmag 0.058 VTmag 10.555
E VTmag 0.052 Prox 311 TYC T HIP
CCDM RAdeg 308.57840361 DEdeg 45.33981500 EpRA 1990 1.66
EpDE 1990 1.82 E RAdeg 38.6 E DEdeg 33.7 Posflg
Corr 0.0
CCDM
Ccdm 20343+4520 RComp Comp A Note1
Note2 Discov num DRAs 0.83 DDEs 23.9
R dRAs 65 Year Theta Rho
Obs 3 Vmag 9.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14025 M ADS BDS N IDS IDS 20309N4459A
HIC
 
 
20343+4520 B
 
 
Coord arcsec 2000 203421.43+452009.1 Coord calc 203421.43+452009.1 Mag 11.52 PmRA -8.00
PmDE -2.0 Tycho2 3573-00996-1 Calc delta mag 0.96
Tycho2
Tycho2 3573-00996-1 Pflag RAmdeg 308.58933039 DEmdeg 45.33588083
PmRA -8.4 PmDE -1.9 E RAmdeg 61 E DEmdeg 54
E pmRA 1.5 E pmDE 1.4 EpRAm 1968.99 EpDEm 1971.71
Num 4 Q RAmdeg 0.2 Q DEmdeg 0.8 Q pmRA 0.2
Q pmDE 0.8 BTmag 11.672 E BTmag 0.087 VTmag 11.521
E VTmag 0.125 Prox 311 TYC T HIP
CCDM RAdeg 308.58935889 DEdeg 45.33588528 EpRA 1990 1.65
EpDE 1990 1.82 E RAdeg 70.3 E DEdeg 61.0 Posflg
Corr 0.0
CCDM
Ccdm 20343+4520 RComp Comp B Note1
Note2 Discov num ES 804 DRAs 3.54 DDEs 9.1
R dRAs 65 Year 1909 Theta 116 Rho 31.8
Obs 1 Vmag 9.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14025 M ADS BDS N IDS IDS 20309N4459B
HIC
 
 
20343+4520 C
 
 
Coord arcsec 2000 203421.55+452007.7 Mag 12.6 Calc delta mag 2.04 Calc coord yes
CCDM
Ccdm 20343+4520 RComp B Comp C Note1
Note2 Discov num ES 804 DRAs DDEs
R dRAs Year 1909 Theta 122 Rho 2.4
Obs 1 Vmag 10.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14025 M ADS BDS N IDS IDS 20309N4459C
HIC