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Doubles in session


Current system
20529+4814
ES 812


Nearby doubles
35' : 20496+4805
HJ 1584

36' : 20557+4755
ES 813

38' : 20541+4850
CTI5707

43' : 20567+4754
ES 814AB

44' : 20546+4732
HJ 1594

45' : 20573+4818
HDS2987

50' : 20502+4732
ES 672

53' : 20577+4752
KPP2318

54' : 20540+4905
HEI 913

54' : 20517+4721
TDT2584

57' : 20478+4750
ES 810

57' : 20478+4754
ES 2253

58' : 20555+4723
ES 95AB

59' : 20555+4722
TOB 201AB

60' : 20481+4738
TDT2547

60' : 20558+4722
TOB 200

69' : 20521+4923
ES 811

71' : 20587+4734
A 757

73' : 20566+4712
HDS2982

75' : 20454+4816
UC 254

75' : 20470+4901
HDS2962

77' : 20598+4743
ES 815

77' : 21001+4841
BU 1210AB

83' : 20598+4731
STF2743AB

83' : 20522+4653
BRT2278

87' : 20571+4658
TDS1108



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.

20529+4814 ES 812

 
 
20h 52m 52.08s +48° 14' 05.7" P.A. 169.00 sep 8.5 mag 10.20,11.80 Sp B
 
 
Coord 2000 20529+4814 Discov num ES  812 Comp Coord arcsec 2000 20 52 52.08 +48 14 05.7
Date first 2000 Date last 2015 Obs 7
Pa first 167 Pa last 168.5 P.A. Now (θ) 168.5°
Sep first 8.2 Sep last 8.484 Sep. Now (ρ) 8.484"
Mag pri 10.20 Mag sec 11.80 delta mag (ΔM) 1.6 Spectral class B (blue-white)
Pri motion ra +017 Sec motion ra
Pri motion dec +023 Sec motion dec
Notes V (Proper motion indicates physical)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3579-01388-1 Gaia DR2 2167127252175085696
 
 
WDS 20529+4814 ES 812 : 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Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E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
20529+4814 ES 812 2006 3 168 8.3 10.20 11.80 B DV 205252.08+481405.7
20529+4814 ES 812 2010 5 169 7.9 10.20 11.80 B V 205252.08+481405.7
20529+4814 ES 812 2015 5 169 8.5 10.20 11.80 B V 205252.08+481405.7

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

 
 
WDS 20529+4814 ES 812 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20529+4814 ES 812 : MEASURES
 
 
No records found.

 
 
WDS 20529+4814 : VIRTUAL EYEPIECE
 
 

20529+4814 ES 812A mag 10.2 Sp B 20529+4814 ES 812B sep 8.4 P.A. 172.30 mag 11.8 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 20529+4814 : ALADIN DSS IMAGE @ 20h 52m 52.08s +48° 14' 05.7"
 
 
 
 
WDS 20529+4814 ES 812 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20529+4814 ES 812 distance=0' 20496+4805 HJ 1584 distance=35' 20557+4755 ES 813 distance=36' 20541+4850 CTI5707 distance=38' 20567+4754 ES 814AB distance=43' 20567+4754 CRB 14AC distance=43' 20546+4732 HJ 1594 distance=44' 20573+4818 HDS2987 distance=45' 20502+4732 ES 672 distance=50' 20577+4752 KPP2318 distance=53' 20540+4905 HEI 913 distance=54' 20517+4721 TDT2584 distance=54' 20478+4750 ES 810 distance=57' 20478+4754 ES 2253 distance=57' 20555+4723 TDT2632Aa,Ab distance=58' 20555+4723 ES 95AB distance=58' 20555+4723 HJ 1597AC distance=58' 20555+4722 TOB 201AB distance=59' 20555+4722 TOB 201AC distance=59' 20555+4722 TOB 201AD distance=59' 20555+4722 TOB 201CD distance=60' 20481+4738 TDT2547 distance=60' 20558+4722 TOB 200 distance=60' 20521+4923 ES 811 distance=69' 20587+4734 A 757 distance=71' 20566+4712 HDS2982 distance=73' 20454+4816 UC 254 distance=75' 20470+4901 HDS2962 distance=75' 20598+4743 ES 815 distance=77' 21001+4841 BU 1210AB distance=77' 21001+4841 STT 425AC distance=77' 21001+4841 STT 425AE distance=77' 21001+4841 STT 425CD distance=78' 20598+4731 MCA 65Aa,Ab distance=83' 20598+4731 STF2743AB distance=83' 20598+4731 STF2743AC distance=83' 20598+4731 STF2743AD distance=83' 20598+4731 STF2743AE distance=83' 20522+4653 BRT2278 distance=83' 20571+4658 TDS1108 distance=87' 21011+4738 RAO 446 distance=91' 21001+4911 HJ 1604 distance=91' 21019+4802 COU2650 distance=91' 20572+4936 KPP1431 distance=92' 21009+4730 BU 1290AB distance=93' 21009+4730 BU 1290AC distance=93' 21009+4730 BU 1290BD distance=93' 20482+4653 ES 669 distance=94' 21005+4911 RAO 445 distance=95' 20441+4856 HEI 912 distance=98' 20450+4718 BRT2274 distance=98' 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 20529+4814 ES 812 169 8.5
Show 20496+4805 HJ 1584 223 4.3 35
Show 20557+4755 ES 813 237 7.3 36
Show 20541+4850 CTI5707 148 12.3 38
Show 20567+4754 ES 814 AB 6.0 43
Show 20567+4754 CRB 14 AC 58 6.4 43
Show 20546+4732 HJ 1594 48 9.1 44
Show 20573+4818 HDS2987 3 0.4 45
Show 20502+4732 ES 672 166 4.6 50
Show 20577+4752 KPP2318 76 19.6 53
Show 20540+4905 HEI 913 14 2.1 54
Show 20517+4721 TDT2584 177 2.4 54
Show 20478+4750 ES 810 40 20.7 57
Show 20478+4754 ES 2253 335 3.4 57
Show 20555+4723 TDT2632 Aa,Ab 169 0.6 58
Show 20555+4723 ES 95 AB 268 6.5 58
Show 20555+4723 HJ 1597 AC 127 13.6 58
Show 20555+4722 TOB 201 AB 82 20.0 59
Show 20555+4722 TOB 201 AC 146 13.4 59
Show 20555+4722 TOB 201 AD 114 18.9 59
Show 20555+4722 TOB 201 CD 71 10.3 60
Show 20481+4738 TDT2547 73 2.5 60
Show 20558+4722 TOB 200 91 11.5 60
Show 20521+4923 ES 811 158 1.4 69
Show 20587+4734 A 757 103 4.1 71
Show 20566+4712 HDS2982 161 0.1 73
Show 20454+4816 UC 254 181 17.9 75
Show 20470+4901 HDS2962 222 0.1 75
Show 20598+4743 ES 815 229 6.4 77
Show 21001+4841 BU 1210 AB 118 2.4 77
Show 21001+4841 STT 425 AC 27 18.2 77
Show 21001+4841 STT 425 AE 15 45.4 77
Show 21001+4841 STT 425 CD 132 4.3 78
Show 20598+4731 MCA 65 Aa,Ab 334 0.1 83
Show 20598+4731 STF2743 AB 353 21.0 83
Show 20598+4731 STF2743 AC 140 26.5 83
Show 20598+4731 STF2743 AD 222 39.3 83
Show 20598+4731 STF2743 AE 59 70.6 83
Show 20522+4653 BRT2278 196 3.2 83
Show 20571+4658 TDS1108 96 1.0 87
Show 21011+4738 RAO 446 338 1.7 91
Show 21001+4911 HJ 1604 143 30.5 91
Show 21019+4802 COU2650 256 2.0 91
Show 20572+4936 KPP1431 57 10.7 92
Show 21009+4730 BU 1290 AB 35 9.3 93
Show 21009+4730 BU 1290 AC 266 3.5 93
Show 21009+4730 BU 1290 BD 22 2.5 93
Show 20482+4653 ES 669 28 6.8 94
Show 21005+4911 RAO 445 121 0.9 95
Show 20441+4856 HEI 912 201 1.7 98
Show 20450+4718 BRT2274 41 4.9 98

 
 
WDS 20529+4814 : COMPONENTS
 
 
  A
B pa=172.3°
sep=8.39"
 
 
20529+4814 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 205252.08+481405.7 Mag 10.2 Spectral class B (blue-white)
PmRA 17.00 PmDE 23.0 Tycho2 3579-01388-1
Tycho2
Tycho2 3579-01388-1 Pflag RAmdeg 313.21703271 DEmdeg 48.23491616
PmRA 21.7 PmDE 19.8 E RAmdeg 23 E DEmdeg 23
E pmRA 1.6 E pmDE 1.5 EpRAm 1989.29 EpDEm 1989.26
Num 4 Q RAmdeg 1.0 Q DEmdeg 0.8 Q pmRA 1.1
Q pmDE 0.8 BTmag 10.698 E BTmag 0.038 VTmag 10.210
E VTmag 0.035 Prox 999 TYC T HIP
CCDM RAdeg 313.21695750 DEdeg 48.23487056 EpRA 1990 1.69
EpDE 1990 1.74 E RAdeg 22.6 E DEdeg 22.5 Posflg
Corr 0.1
 
 
20529+4814 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 205252.19+481357.4 Mag 11.8 Calc delta mag 1.6
Calc coord yes