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Doubles in session


Current system
20502+4732
ES 672


Nearby doubles
19' : 20517+4721
TDT2584

23' : 20481+4738
TDT2547

30' : 20478+4750
ES 810

34' : 20496+4805
HJ 1584

35' : 20478+4754
ES 2253

43' : 20546+4732
HJ 1594

45' : 20482+4653
ES 669

45' : 20522+4653
BRT2278

50' : 20529+4814
ES 812

53' : 20499+4640
BU 250

55' : 20555+4723
ES 95AB

55' : 20555+4722
TOB 201AB

55' : 20450+4718
BRT2274

58' : 20501+4635
ES 671

58' : 20558+4722
TOB 200

61' : 20557+4755
ES 813

62' : 20443+4716
TDT2509

64' : 20508+4628
BRT2276AB

66' : 20454+4816
UC 254

66' : 20437+4733
A 749

69' : 20566+4712
HDS2982

69' : 20567+4754
ES 814AB

71' : 20466+4632
KUI 101

72' : 20434+4712
TDT2496

74' : 20539+4632
ES 673

78' : 20577+4752
KPP2318



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.

20502+4732 ES 672

 
 
20h 50m 12.66s +47° 32' 15.2" P.A. 166.00 sep 4.6 mag 10.69,11.39
 
 
Coord 2000 20502+4732 Discov num ES  672 Comp Coord arcsec 2000 20 50 12.66 +47 32 15.2
Date first 1901 Date last 2016 Obs 10
Pa first 160 Pa last 165.7 P.A. Now (θ) 165.7°
Sep first 3.6 Sep last 4.614 Sep. Now (ρ) 4.614"
Mag pri 10.69 Mag sec 11.39 delta mag (ΔM) 0.7 Spectral class
Pri motion ra +000 Sec motion ra -002
Pri motion dec +003 Sec motion dec +000
Notes
rPM=1.202
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3579-01638-1 Gaia DR2 2167081072685196160 ADS 14354
 
 
WDS 20502+4732 ES 672 : 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Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E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
20502+4732 ES 672 2003 6 166 4.6 10.69 11.39 D 205012.66+473215.2
20502+4732 ES 672 2010 8 165 4.7 10.69 11.39 205012.66+473215.2
20502+4732 ES 672 2015 9 166 4.6 10.69 11.39 205012.66+473215.2
20502+4732 ES 672 2016 10 166 4.6 10.69 11.39 205012.66+473215.2

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

 
 
WDS 20502+4732 ES 672 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20502+4732 ES 672 : MEASURES
 
 
No records found.

 
 
WDS 20502+4732 : VIRTUAL EYEPIECE
 
 

20502+4732 ES 672A mag 10.69 20502+4732 ES 672B sep 4.5 P.A. 170.20 mag 11.39 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 20502+4732 : ALADIN DSS IMAGE @ 20h 50m 12.66s +47° 32' 15.2"
 
 
 
 
WDS 20502+4732 ES 672 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20502+4732 ES 672 distance=1' 20517+4721 TDT2584 distance=19' 20481+4738 TDT2547 distance=23' 20478+4750 ES 810 distance=30' 20496+4805 HJ 1584 distance=34' 20478+4754 ES 2253 distance=35' 20546+4732 HJ 1594 distance=43' 20482+4653 ES 669 distance=45' 20522+4653 BRT2278 distance=45' 20529+4814 ES 812 distance=50' 20499+4640 BU 250 distance=53' 20555+4723 TDT2632Aa,Ab distance=55' 20555+4723 ES 95AB distance=55' 20555+4723 HJ 1597AC distance=55' 20555+4722 TOB 201AB distance=55' 20555+4722 TOB 201AC distance=55' 20555+4722 TOB 201AD distance=55' 20555+4722 TOB 201CD distance=55' 20450+4718 BRT2274 distance=55' 20501+4635 ES 671 distance=58' 20558+4722 TOB 200 distance=58' 20557+4755 ES 813 distance=61' 20443+4716 TDT2509 distance=62' 20508+4628 BRT2276AB distance=64' 20508+4628 FYM 314AC distance=64' 20508+4628 FYM 314AD distance=64' 20454+4816 UC 254 distance=66' 20437+4733 A 749 distance=66' 20566+4712 HDS2982 distance=69' 20567+4754 ES 814AB distance=69' 20567+4754 CRB 14AC distance=69' 20466+4632 KUI 101 distance=71' 20434+4712 TDT2496 distance=72' 20539+4632 ES 673 distance=74' 20577+4752 KPP2318 distance=78' 20571+4658 TDS1108 distance=78' 20437+4651 TDS1096 distance=79' 20494+4613 ES 670 distance=80' 20573+4818 HDS2987 distance=85' 20456+4621 HDS2955 distance=86' 20587+4734 A 757 distance=86' 20489+4607 HJ 1581 distance=87' 20541+4850 CTI5707 distance=87' 20527+4607 A 750 distance=90' 20431+4637 BRT2273 distance=91' 20547+4614 YSC 163 distance=91' 20414+4758 ES 809AB distance=93' 20414+4758 SKF2394AC distance=93' 20571+4632 TDT2653 distance=94' 20470+4901 HDS2962 distance=95' 20531+4615 HJ 1591 distance=97' 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 20502+4732 ES 672 166 4.6 1
Show 20517+4721 TDT2584 177 2.4 19
Show 20481+4738 TDT2547 73 2.5 23
Show 20478+4750 ES 810 40 20.7 30
Show 20496+4805 HJ 1584 223 4.3 34
Show 20478+4754 ES 2253 335 3.4 35
Show 20546+4732 HJ 1594 48 9.1 43
Show 20482+4653 ES 669 28 6.8 45
Show 20522+4653 BRT2278 196 3.2 45
Show 20529+4814 ES 812 169 8.5 50
Show 20499+4640 BU 250 7 18.3 53
Show 20555+4723 TDT2632 Aa,Ab 169 0.6 55
Show 20555+4723 ES 95 AB 268 6.5 55
Show 20555+4723 HJ 1597 AC 127 13.6 55
Show 20555+4722 TOB 201 AB 82 20.0 55
Show 20555+4722 TOB 201 AC 146 13.4 55
Show 20555+4722 TOB 201 AD 114 18.9 55
Show 20555+4722 TOB 201 CD 71 10.3 55
Show 20450+4718 BRT2274 41 4.9 55
Show 20501+4635 ES 671 91 1.6 58
Show 20558+4722 TOB 200 91 11.5 58
Show 20557+4755 ES 813 237 7.3 61
Show 20443+4716 TDT2509 180 1.4 62
Show 20508+4628 BRT2276 AB 254 3.7 64
Show 20508+4628 FYM 314 AC 149 9.5 64
Show 20508+4628 FYM 314 AD 86 11.2 64
Show 20454+4816 UC 254 181 17.9 66
Show 20437+4733 A 749 306 0.5 66
Show 20566+4712 HDS2982 161 0.1 69
Show 20567+4754 ES 814 AB 6.0 69
Show 20567+4754 CRB 14 AC 58 6.4 69
Show 20466+4632 KUI 101 112 0.3 71
Show 20434+4712 TDT2496 49 1.7 72
Show 20539+4632 ES 673 76 5.2 74
Show 20577+4752 KPP2318 76 19.6 78
Show 20571+4658 TDS1108 96 1.0 78
Show 20437+4651 TDS1096 147 0.9 79
Show 20494+4613 ES 670 81 6.5 80
Show 20573+4818 HDS2987 3 0.4 85
Show 20456+4621 HDS2955 289 0.4 86
Show 20587+4734 A 757 103 4.1 86
Show 20489+4607 HJ 1581 170 22.4 87
Show 20541+4850 CTI5707 148 12.3 87
Show 20527+4607 A 750 211 0.1 90
Show 20431+4637 BRT2273 308 4.7 91
Show 20547+4614 YSC 163 101 0.7 91
Show 20414+4758 ES 809 AB 285 1.6 93
Show 20414+4758 SKF2394 AC 68 3.0 93
Show 20571+4632 TDT2653 301 2.3 94
Show 20470+4901 HDS2962 222 0.1 95
Show 20531+4615 HJ 1591 134 10.1 97

 
 
WDS 20502+4732 : COMPONENTS
 
 
  A
B pa=170.2°
sep=4.54"
 
 
20502+4732 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 205012.66+473215.2 Mag 10.69 PmRA 0.00
PmDE 3.0 Tycho2 3579-01638-1 ADS 14354 DM BD+47 3195
Tycho2
Tycho2 3579-01638-1 Pflag RAmdeg 312.55274042 DEmdeg 47.53756729
PmRA 0.0 PmDE 8.0 E RAmdeg 36 E DEmdeg 35
E pmRA 2.1 E pmDE 2.0 EpRAm 1988.04 EpDEm 1987.97
Num 3 Q RAmdeg 0.1 Q DEmdeg 1.6 Q pmRA 0.0
Q pmDE 1.6 BTmag 11.109 E BTmag 0.053 VTmag 10.693
E VTmag 0.055 Prox 47 TYC T HIP
CCDM RAdeg 312.55274028 DEdeg 47.53754861 EpRA 1990 1.58
EpDE 1990 1.59 E RAdeg 36.5 E DEdeg 36.0 Posflg
Corr 0.1
 
 
20502+4732 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 205012.74+473210.7 Mag 11.39 PmRA -2.00
PmDE 0.0 Tycho2 3579-01638-2 Calc delta mag 0.7 Calc coord yes
Tycho2
Tycho2 3579-01638-2 Pflag RAmdeg 312.55324751 DEmdeg 47.53628265
PmRA -0.5 PmDE -1.0 E RAmdeg 49 E DEmdeg 51
E pmRA 2.3 E pmDE 2.2 EpRAm 1986.07 EpDEm 1984.99
Num 3 Q RAmdeg 0.1 Q DEmdeg 0.3 Q pmRA 0.1
Q pmDE 0.3 BTmag 11.540 E BTmag 0.072 VTmag 11.387
E VTmag 0.098 Prox 47 TYC T HIP
CCDM RAdeg 312.55324917 DEdeg 47.53628500 EpRA 1990 1.60
EpDE 1990 1.58 E RAdeg 51.4 E DEdeg 52.5 Posflg
Corr 0.0