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Current system
20409+4828
ES 808


Nearby doubles
15' : 20396+4823
RAO 616

22' : 20397+4806
ES 806AB

23' : 20387+4830
HJ 1558

28' : 20405+4855
ES 807

29' : 20414+4758
ES 809AB

33' : 20406+4900
ES 509

33' : 20389+4803
CNT 7

36' : 20383+4804
ES 89AB

43' : 20441+4856
HEI 912

44' : 20379+4757
STF2707AB

47' : 20454+4816
UC 254

51' : 20425+4916
ARG 39AB

51' : 20389+4741
A 746

55' : 20397+4734
A 747AB

59' : 20438+4921
HEI 911

61' : 20434+4923
STJ 111

62' : 20348+4830
ES 666

62' : 20418+4929
HEI 910

63' : 20437+4733
A 749

65' : 20361+4745
HJ 1549

69' : 20397+4721
A 748

69' : 20470+4901
HDS2962

73' : 20341+4804
YSC 116

75' : 20478+4754
ES 2253

79' : 20478+4750
ES 810

80' : 20443+4716
TDT2509



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.

20409+4828 ES 808

 
 
20h 40m 56.22s +48° 28' 00.9" P.A. 157.00 sep 3.3 mag 10.25,11.60
 
 
Coord 2000 20409+4828 Discov num ES  808 Comp Coord arcsec 2000 20 40 56.22 +48 28 00.9
Date first 1909 Date last 2015 Obs 3
Pa first 155 Pa last 156.9 P.A. Now (θ) 156.9°
Sep first 3.5 Sep last 3.305 Sep. Now (ρ) 3.305"
Mag pri 10.25 Mag sec 11.60 delta mag (ΔM) 1.35 Spectral class
Pri motion ra -006 Sec motion ra
Pri motion dec -003 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3578-02084-1 Gaia DR2 2167792800302137600 ADS 14164
 
 
WDS 20409+4828 ES 808 : 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Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E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
20409+4828 ES 808 1909 1 155 3.5 10.25 11.60 204056.22+482800.9
20409+4828 ES 808 2011 2 157 3.5 10.25 11.60 204056.22+482800.9
20409+4828 ES 808 2015 3 157 3.3 10.25 11.60 204056.22+482800.9

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

 
 
WDS 20409+4828 ES 808 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20409+4828 ES 808 : MEASURES
 
 
No records found.

 
 
WDS 20409+4828 : VIRTUAL EYEPIECE
 
 

20409+4828 ES 808A mag 10.25 20409+4828 ES 808B sep 3.2 P.A. 164.20 mag 11.6 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 20409+4828 : ALADIN DSS IMAGE @ 20h 40m 56.22s +48° 28' 00.9"
 
 
 
 
WDS 20409+4828 ES 808 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20409+4828 ES 808 distance=0' 20396+4823 RAO 616 distance=15' 20397+4806 ES 806AB distance=22' 20397+4806 ES 806AC distance=22' 20387+4830 HJ 1558 distance=23' 20405+4855 ES 807 distance=28' 20414+4758 ES 809AB distance=29' 20414+4758 SKF2394AC distance=29' 20406+4900 ES 509 distance=33' 20389+4803 CNT 7 distance=33' 20383+4804 ES 89AB distance=36' 20441+4856 HEI 912 distance=43' 20379+4757 GUI 33BC distance=44' 20379+4757 STF2707AB distance=44' 20379+4757 STF2707AC distance=44' 20379+4757 ES 2697AD distance=44' 20379+4757 HDS2944Ca,Cb distance=45' 20454+4816 UC 254 distance=47' 20425+4916 ARG 39BC distance=51' 20425+4916 ARG 39BD distance=51' 20425+4916 ARG 39BE distance=51' 20425+4916 ARG 39AB distance=51' 20425+4916 ARG 39AF distance=51' 20425+4916 ARG 39AG distance=51' 20389+4741 A 746 distance=51' 20397+4734 A 747AB distance=55' 20397+4734 ES 90AB,C distance=55' 20438+4921 HEI 911 distance=59' 20434+4923 STJ 111 distance=61' 20348+4830 ES 666 distance=62' 20418+4929 HEI 910 distance=62' 20437+4733 A 749 distance=63' 20361+4745 HJ 1549 distance=65' 20397+4721 A 748 distance=69' 20470+4901 HDS2962 distance=69' 20341+4804 YSC 116 distance=73' 20478+4754 ES 2253 distance=75' 20478+4750 ES 810 distance=79' 20443+4716 TDT2509 distance=80' 20434+4712 TDT2496 distance=81' 20450+4718 BRT2274 distance=82' 20379+4710 TDT2436 distance=84' 20334+4752 J 4 distance=84' 20481+4738 TDT2547 distance=88' 20496+4805 HJ 1584 distance=90' 20457+4951 TDT2521 distance=96' 20437+4651 TDS1096 distance=101' 20336+4719 ES 665 distance=102' 20313+4913 S 756 distance=106' 20421+5013 ES 91BC distance=107' 20421+5013 ES 91AB distance=107' 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 20409+4828 ES 808 157 3.3
Show 20396+4823 RAO 616 122 1.8 15
Show 20397+4806 ES 806 AB 267 7.0 22
Show 20397+4806 ES 806 AC 24 11.9 22
Show 20387+4830 HJ 1558 205 4.4 23
Show 20405+4855 ES 807 154 3.9 28
Show 20414+4758 ES 809 AB 285 1.6 29
Show 20414+4758 SKF2394 AC 68 3.0 29
Show 20406+4900 ES 509 285 8.6 33
Show 20389+4803 CNT 7 82 3.5 33
Show 20383+4804 ES 89 AB 209 21.5 36
Show 20441+4856 HEI 912 201 1.7 43
Show 20379+4757 GUI 33 BC 199 76.6 44
Show 20379+4757 STF2707 AB 29 21.8 44
Show 20379+4757 STF2707 AC 195 55.3 44
Show 20379+4757 ES 2697 AD 192 17.5 44
Show 20379+4757 HDS2944 Ca,Cb 29 0.4 45
Show 20454+4816 UC 254 181 17.9 47
Show 20425+4916 ARG 39 BC 100 35.4 51
Show 20425+4916 ARG 39 BD 241 21.1 51
Show 20425+4916 ARG 39 BE 55 44.1 51
Show 20425+4916 ARG 39 AB 184 15.4 51
Show 20425+4916 ARG 39 AF 258 34.4 51
Show 20425+4916 ARG 39 AG 341 52.4 51
Show 20389+4741 A 746 150 2.0 51
Show 20397+4734 A 747 AB 104 0.3 55
Show 20397+4734 ES 90 AB,C 141 7.1 55
Show 20438+4921 HEI 911 125 2.4 59
Show 20434+4923 STJ 111 64 0.9 61
Show 20348+4830 ES 666 317 3.0 62
Show 20418+4929 HEI 910 201 1.6 62
Show 20437+4733 A 749 306 0.5 63
Show 20361+4745 HJ 1549 55 5.5 65
Show 20397+4721 A 748 27 1.4 69
Show 20470+4901 HDS2962 222 0.1 69
Show 20341+4804 YSC 116 270 0.2 73
Show 20478+4754 ES 2253 335 3.4 75
Show 20478+4750 ES 810 40 20.7 79
Show 20443+4716 TDT2509 180 1.4 80
Show 20434+4712 TDT2496 49 1.7 81
Show 20450+4718 BRT2274 41 4.9 82
Show 20379+4710 TDT2436 82 0.6 84
Show 20334+4752 J 4 1 2.6 84
Show 20481+4738 TDT2547 73 2.5 88
Show 20496+4805 HJ 1584 223 4.3 90
Show 20457+4951 TDT2521 236 0.3 96
Show 20437+4651 TDS1096 147 0.9 101
Show 20336+4719 ES 665 129 5.7 102
Show 20313+4913 S 756 327 60.7 106
Show 20421+5013 ES 91 BC 247 14.8 107
Show 20421+5013 ES 91 AB 189 4.6 107

 
 
WDS 20409+4828 : COMPONENTS
 
 
  A
B pa=164.2°
sep=3.16"
 
 
20409+4828 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204056.22+482800.9 Mag 10.25 PmRA -6.00
PmDE -3.0 Tycho2 3578-02084-1 ADS 14164 DM BD+47 3166
Tycho2
Tycho2 3578-02084-1 Pflag RAmdeg 310.23426866 DEmdeg 48.46694083
PmRA -5.8 PmDE -2.8 E RAmdeg 17 E DEmdeg 18
E pmRA 1.8 E pmDE 1.8 EpRAm 1989.96 EpDEm 1990.10
Num 4 Q RAmdeg 1.9 Q DEmdeg 2.5 Q pmRA 1.9
Q pmDE 2.6 BTmag 10.364 E BTmag 0.028 VTmag 10.249
E VTmag 0.033 Prox 579 TYC T HIP
CCDM RAdeg 310.23428222 DEdeg 48.46695222 EpRA 1990 1.73
EpDE 1990 1.67 E RAdeg 17.5 E DEdeg 18.9 Posflg
Corr 0.0
 
 
20409+4828 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204056.31+482757.9 Mag 11.6 Calc delta mag 1.35
Calc coord yes