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Current system
20525+3759
ES 2516


Nearby doubles
5' : 20521+3758
RAO 442

5' : 20526+3756
SEI1289

9' : 20529+3752
TDT2600

21' : 20540+3751
TDT2614

23' : 20507+3807
SEI1275

23' : 20518+3820
ES 2123AB

23' : 20533+3740
SEI1294

29' : 20506+3740
SKF1925

29' : 20549+3803
SEI1309AB

31' : 20533+3731
TDT2606

32' : 20527+3728
SEI1288

33' : 20552+3755
SEI1312

36' : 20524+3724
SEI1287

39' : 20556+3809
SEI1317AB

40' : 20538+3723
SEI1299AB

42' : 20511+3837
SEI1281

44' : 20488+3754
TDT2557

44' : 20515+3717
SEI1282

46' : 20510+3717
SEI1277

47' : 20498+3833
HJ 1582AB

53' : 20561+3731
SEI1322

53' : 20530+3851
ALI 954

53' : 20547+3714
TDT2625

54' : 20501+3714
SEI1268AB

56' : 20569+3818
KPP1144

57' : 20565+3731
TDT2648



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.

20525+3759 ES 2516

 
 
20h 52m 25.23s +37° 59' 04.4" P.A. 216.00 sep 6.3 mag 9.70,10.80
 
 
Coord 2000 20525+3759 Discov num ES 2516 Comp Coord arcsec 2000 20 52 25.23 +37 59 04.4
Date first 1931 Date last 2018 Obs 11
Pa first 217 Pa last 216.2 P.A. Now (θ) 216.2°
Sep first 6.0 Sep last 6.265 Sep. Now (ρ) 6.265"
Mag pri 9.70 Mag sec 10.80 delta mag (ΔM) 1.1 Spectral class
Pri motion ra +013 Sec motion ra -039
Pri motion dec +015 Sec motion dec -056
Notes
rPM=1.29
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 1872466657147480064
 
 
WDS 20525+3759 ES 2516 : 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Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E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
20525+3759 ES 2516 1998 2 217 6.2 9.70 10.80 D 205225.23+375904.4
20525+3759 ES 2516 2002 3 217 6.3 9.70 10.80 D 205225.23+375904.4
20525+3759 ES 2516 2010 4 217 5.4 9.70 10.80 205225.23+375904.4
20525+3759 ES 2516 2015 5 217 6.2 9.70 10.80 205225.23+375904.4
20525+3759 ES 2516 2018 6 217 6.3 9.70 10.80 205225.23+375904.4

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

 
 
WDS 20525+3759 ES 2516 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20525+3759 ES 2516 : MEASURES
 
 
No records found.

 
 
WDS 20525+3759 : VIRTUAL EYEPIECE
 
 

20525+3759 ES 2516A mag 9.7 20525+3759 ES 2516B sep 5.8 P.A. 210.00 mag 10.8 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 20525+3759 : ALADIN DSS IMAGE @ 20h 52m 25.23s +37° 59' 04.4"
 
 
 
 
WDS 20525+3759 ES 2516 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20525+3759 ES 2516 distance=0' 20521+3758 RAO 442 distance=5' 20526+3756 SEI1289 distance=5' 20529+3752 TDT2600 distance=9' 20540+3751 TDT2614 distance=21' 20507+3807 SEI1275 distance=23' 20518+3820 ES 2123AB distance=23' 20518+3820 ES 2123AC distance=23' 20533+3740 SEI1294 distance=23' 20506+3740 SKF1925 distance=29' 20549+3803 TDT2626Aa,Ab distance=29' 20549+3803 SEI1309AB distance=29' 20533+3731 TDT2606 distance=31' 20527+3728 SEI1288 distance=32' 20552+3755 SEI1312 distance=33' 20524+3724 SEI1287 distance=36' 20556+3809 COU2222Aa,Ab distance=39' 20556+3809 SEI1317AB distance=39' 20538+3723 SEI1299AB distance=40' 20538+3723 SEI1301AC distance=40' 20511+3837 SEI1281 distance=42' 20488+3754 TDT2557 distance=44' 20515+3717 SEI1282 distance=44' 20510+3717 SEI1277 distance=46' 20498+3833 HJ 1582AB distance=47' 20498+3833 HJ 1582AC distance=47' 20561+3731 SEI1322 distance=53' 20530+3851 ALI 954 distance=53' 20547+3714 TDT2625 distance=53' 20501+3714 SEI1268AB distance=54' 20501+3714 CLL 15AC distance=54' 20569+3818 KPP1144 distance=56' 20565+3731 TDT2648 distance=57' 20546+3709 SEI1307 distance=57' 20476+3812 SEI1250 distance=58' 20549+3709 COU2295 distance=58' 20509+3855 SEI1278 distance=59' 20544+3704 SEI1305 distance=60' 20538+3702 SEI1300 distance=61' 20547+3704 STT 419 distance=62' 20554+3708 SEI1314 distance=63' 20521+3657 SEI1285 distance=63' 20526+3655 A 1435 distance=65' 20470+3806 TDT2534 distance=65' 20544+3658 TDT2623 distance=66' 20546+3900 SEI1308 distance=67' 20478+3840 SEI1251 distance=68' 20498+3900 MLB 983 distance=69' 20556+3856 MLB 785 distance=69' 20472+3730 J 1210 distance=69' 20476+3839 SEI1249 distance=70' 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 20525+3759 ES 2516 216 6.3
Show 20521+3758 RAO 442 81 2.6 5
Show 20526+3756 SEI1289 240 25.3 5
Show 20529+3752 TDT2600 43 0.5 9
Show 20540+3751 TDT2614 350 0.6 21
Show 20507+3807 SEI1275 196 22.2 23
Show 20518+3820 ES 2123 AB 102 5.2 23
Show 20518+3820 ES 2123 AC 327 37.4 23
Show 20533+3740 SEI1294 26 23.1 23
Show 20506+3740 SKF1925 170 13.8 29
Show 20549+3803 TDT2626 Aa,Ab 20 0.7 29
Show 20549+3803 SEI1309 AB 120 6.5 29
Show 20533+3731 TDT2606 65 4.4 31
Show 20527+3728 SEI1288 259 24.2 32
Show 20552+3755 SEI1312 285 8.2 33
Show 20524+3724 SEI1287 353 6.7 36
Show 20556+3809 COU2222 Aa,Ab 109 0.7 39
Show 20556+3809 SEI1317 AB 171 22.7 39
Show 20538+3723 SEI1299 AB 356 9.0 40
Show 20538+3723 SEI1301 AC 290 26.3 40
Show 20511+3837 SEI1281 102 8.6 42
Show 20488+3754 TDT2557 237 0.7 44
Show 20515+3717 SEI1282 270 27.4 44
Show 20510+3717 SEI1277 32 8.1 46
Show 20498+3833 HJ 1582 AB 45 17.4 47
Show 20498+3833 HJ 1582 AC 327 28.7 47
Show 20561+3731 SEI1322 165 1.5 53
Show 20530+3851 ALI 954 61 8.9 53
Show 20547+3714 TDT2625 255 0.5 53
Show 20501+3714 SEI1268 AB 123 27.3 54
Show 20501+3714 CLL 15 AC 20 48.5 54
Show 20569+3818 KPP1144 248 8.9 56
Show 20565+3731 TDT2648 234 0.7 57
Show 20546+3709 SEI1307 307 3.7 57
Show 20476+3812 SEI1250 18 17.3 58
Show 20549+3709 COU2295 180 0.4 58
Show 20509+3855 SEI1278 135 25.5 59
Show 20544+3704 SEI1305 148 23.0 60
Show 20538+3702 SEI1300 120 1.8 61
Show 20547+3704 STT 419 24 1.7 62
Show 20554+3708 SEI1314 178 18.4 63
Show 20521+3657 SEI1285 301 27.6 63
Show 20526+3655 A 1435 6 0.5 65
Show 20470+3806 TDT2534 138 0.6 65
Show 20544+3658 TDT2623 36 1.0 66
Show 20546+3900 SEI1308 93 6.0 67
Show 20478+3840 SEI1251 42 15.2 68
Show 20498+3900 MLB 983 191 3.8 69
Show 20556+3856 MLB 785 5 6.4 69
Show 20472+3730 J 1210 247 3.9 69
Show 20476+3839 SEI1249 69 27.8 70

 
 
WDS 20525+3759 : COMPONENTS
 
 
  A
B pa=210.0°
sep=5.84"
 
 
20525+3759 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 205225.23+375904.4 Mag 9.7 PmRA 13.00
PmDE 15.0
 
 
20525+3759 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 205224.98+375859.3 Mag 10.8 PmRA -39.00
PmDE -56.0 Calc delta mag 1.1 Calc coord yes