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Current system
20349+5109
ES 990


Nearby doubles
9' : 20356+5104
TDT2400

24' : 20367+5053
HLD 39AB

26' : 20336+5131
KPP2429AB

29' : 20379+5106
ES 88AB

33' : 20323+5048
RAO 615

35' : 20318+5128
TDT2339

37' : 20334+5142
TDT2369

45' : 20379+5144
OSO 128AB

49' : 20376+5028
L 49

53' : 20300+5135
RAO 435

53' : 20380+5025
DAM 294

55' : 20372+5159
TDT2428

57' : 20383+5023
HU 588AB

59' : 20378+5018
DAM 293

61' : 20311+5022
ES 1101

67' : 20286+5039
HJ 1524

69' : 20285+5141
KPP2206

69' : 20304+5014
ES 1100

72' : 20384+5212
TDT2443

72' : 20347+4957
ES 2696

74' : 20320+5001
HEI 909

78' : 20266+5106
HDS2923

80' : 20265+5101
KPP4198

81' : 20330+4950
MCA 61AB

84' : 20306+4956
TDT2331

84' : 20261+5122
WFC 233



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.

20349+5109 ES 990

 
 
20h 34m 53.37s +51° 08' 52.9" P.A. 299.00 sep 2.6 mag 9.90,10.86 Sp A0V
 
 
Coord 2000 20349+5109 Discov num ES  990 Comp Coord arcsec 2000 20 34 53.37 +51 08 52.9
Date first 1910 Date last 2015 Obs 9
Pa first 299 Pa last 299.1 P.A. Now (θ) 299.1°
Sep first 2.4 Sep last 2.635 Sep. Now (ρ) 2.635"
Mag pri 9.90 Mag sec 10.86 delta mag (ΔM) 0.96 Spectral class A0V (white)
Pri motion ra +009 Sec motion ra -014
Pri motion dec -015 Sec motion dec -006
Notes
rPM=1.412
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3585-00007-2 Gaia DR2 2180667050674600192
 
 
WDS 20349+5109 ES 990 : 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Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E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
20349+5109 ES 990 2001 6 300 2.7 9.90 10.86 203453.37+510852.9
20349+5109 ES 990 2009 7 300 2.6 9.90 10.86 203453.37+510852.9
20349+5109 ES 990 2015 9 299 2.6 9.90 10.86 A0V 203453.37+510852.9

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

 
 
WDS 20349+5109 ES 990 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20349+5109 ES 990 : MEASURES
 
 
No records found.

 
 
WDS 20349+5109 : VIRTUAL EYEPIECE
 
 

20349+5109 ES 990A mag 9.9 Sp A0V 20349+5109 ES 990B sep 1.9 P.A. 311.60 mag 10.86 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 20349+5109 : ALADIN DSS IMAGE @ 20h 34m 53.37s +51° 08' 52.9"
 
 
 
 
WDS 20349+5109 ES 990 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20349+5109 ES 990 distance=0' 20356+5104 TDT2400 distance=9' 20367+5053 HEI 879Aa,Ab distance=24' 20367+5053 HLD 39AB distance=24' 20336+5131 KPP2429AB distance=26' 20379+5106 KPP4397CD distance=29' 20379+5106 ES 88AB distance=29' 20379+5106 KPP4397AC distance=29' 20379+5106 KPP4397BC distance=29' 20323+5048 RAO 615 distance=33' 20318+5128 TDT2339 distance=35' 20334+5142 TDT2369 distance=37' 20379+5144 OSO 128AB distance=45' 20379+5144 OSO 128AC distance=45' 20376+5028 L 49 distance=49' 20300+5135 RAO 435 distance=53' 20380+5025 DAM 294 distance=53' 20372+5159 TDT2428 distance=55' 20383+5023 HU 588AB distance=57' 20378+5018 DAM 293 distance=59' 20311+5022 ES 1101 distance=61' 20286+5039 HJ 1524 distance=67' 20285+5141 KPP2206 distance=69' 20304+5014 ES 1100 distance=69' 20384+5212 TDT2443 distance=72' 20347+4957 ES 2696 distance=72' 20320+5001 HEI 909 distance=74' 20266+5106 HDS2923 distance=78' 20265+5101 KPP4198 distance=80' 20330+4950 MCA 61AB distance=81' 20330+4950 RBR 49AC distance=81' 20306+4956 TDT2331 distance=84' 20261+5122 WFC 233 distance=84' 20337+5232 TDS1082 distance=84' 20422+5020 BU 675AB distance=85' 20422+5020 BU 675AC distance=85' 20422+5020 BU 675AD distance=85' 20422+5020 BU 675AE distance=85' 20405+5217 TDT2463 distance=86' 20421+5013 ES 91AB distance=88' 20421+5013 ES 91AC distance=88' 20421+5013 ES 91BC distance=88' 20327+5235 TDT2350 distance=89' 20397+5227 ES 992 distance=91' 20441+5043 LEP 171 distance=92' 20429+5206 ES 995 distance=94' 20300+4940 HU 589 distance=101' 20318+4933 BU 1136 distance=101' 20384+5248 TDT2442Aa,Ab distance=105' 20384+5248 SKF 348AB distance=105' 20435+5217 TVB 6 distance=106' 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 20349+5109 ES 990 299 2.6
Show 20356+5104 TDT2400 43 1.2 9
Show 20367+5053 HEI 879 Aa,Ab 137 0.1 24
Show 20367+5053 HLD 39 AB 174 7.5 24
Show 20336+5131 KPP2429 AB 346 20.8 26
Show 20379+5106 KPP4397 CD 35 2.2 29
Show 20379+5106 ES 88 AB 127 7.8 29
Show 20379+5106 KPP4397 AC 193 51.7 29
Show 20379+5106 KPP4397 BC 201 49.0 29
Show 20323+5048 RAO 615 157 0.8 33
Show 20318+5128 TDT2339 338 1.0 35
Show 20334+5142 TDT2369 61 2.4 37
Show 20379+5144 OSO 128 AB 58 8.9 45
Show 20379+5144 OSO 128 AC 157 21.3 45
Show 20376+5028 L 49 82 4.1 49
Show 20300+5135 RAO 435 301 3.1 53
Show 20380+5025 DAM 294 258 4.1 53
Show 20372+5159 TDT2428 221 0.7 55
Show 20383+5023 HU 588 AB 245 2.0 57
Show 20378+5018 DAM 293 286 4.8 59
Show 20311+5022 ES 1101 240 2.2 61
Show 20286+5039 HJ 1524 125 5.3 67
Show 20285+5141 KPP2206 256 18.3 69
Show 20304+5014 ES 1100 285 2.6 69
Show 20384+5212 TDT2443 111 2.2 72
Show 20347+4957 ES 2696 147 12.2 72
Show 20320+5001 HEI 909 234 2.7 74
Show 20266+5106 HDS2923 196 0.2 78
Show 20265+5101 KPP4198 173 1.6 80
Show 20330+4950 MCA 61 AB 233 0.1 81
Show 20330+4950 RBR 49 AC 136 4.3 81
Show 20306+4956 TDT2331 235 0.9 84
Show 20261+5122 WFC 233 322 5.1 84
Show 20337+5232 TDS1082 5 1.0 84
Show 20422+5020 BU 675 AB 102 3.3 85
Show 20422+5020 BU 675 AC 185 28.8 85
Show 20422+5020 BU 675 AD 329 33.3 85
Show 20422+5020 BU 675 AE 240 72.0 85
Show 20405+5217 TDT2463 180 2.4 86
Show 20421+5013 ES 91 AB 189 4.6 88
Show 20421+5013 ES 91 AC 235 17.6 88
Show 20421+5013 ES 91 BC 247 14.8 88
Show 20327+5235 TDT2350 329 1.4 89
Show 20397+5227 ES 992 166 7.3 91
Show 20441+5043 LEP 171 172 4.4 92
Show 20429+5206 ES 995 107 8.6 94
Show 20300+4940 HU 589 204 1.6 101
Show 20318+4933 BU 1136 215 0.7 101
Show 20384+5248 TDT2442 Aa,Ab 304 0.5 105
Show 20384+5248 SKF 348 AB 178 19.9 105
Show 20435+5217 TVB 6 318 11.7 106

 
 
WDS 20349+5109 : COMPONENTS
 
 
  A
B pa=311.6°
sep=1.93"
 
 
20349+5109 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 203453.37+510852.9 Mag 9.9 Spectral class A0V (white)
PmRA 9.00 PmDE -15.0
 
 
20349+5109 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 203453.22+510854.2 Mag 10.86 PmRA -14.00
PmDE -6.0 Tycho2 3585-00007-1 Calc delta mag 0.96 Calc coord yes
Tycho2
Tycho2 3585-00007-1 Pflag RAmdeg 308.72128375 DEmdeg 51.14839812
PmRA -18.1 PmDE 0.5 E RAmdeg 33 E DEmdeg 32
E pmRA 2.0 E pmDE 2.0 EpRAm 1988.59 EpDEm 1988.62
Num 3 Q RAmdeg 0.5 Q DEmdeg 0.2 Q pmRA 0.5
Q pmDE 0.2 BTmag 10.948 E BTmag 0.049 VTmag 10.859
E VTmag 0.063 Prox 26 TYC T HIP
CCDM RAdeg 308.72135028 DEdeg 51.14839694 EpRA 1990 1.65
EpDE 1990 1.74 E RAdeg 33.8 E DEdeg 33.2 Posflg D
Corr 0.1