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Doubles in session


Current system
21502+3750
ES 1996


Nearby doubles
15' : 21512+3741
TDT3193

24' : 21514+3730
SEI1540

28' : 21484+3806
ALI 694

29' : 21493+3816
A 1448

36' : 21520+3722
CRB 144

36' : 21522+3817
TDT3205

40' : 21471+3737
GRV 504

41' : 21520+3826
HDS3114

42' : 21517+3716
COU1641

50' : 21466+3815
COU1639

55' : 21457+3800
DAM1461

57' : 21506+3847
MLB 962

58' : 21547+3814
TOK 638AB

58' : 21526+3841
MLB 991

60' : 21492+3849
TDT3176

63' : 21520+3653
J 3149AB

63' : 21450+3800
LDS1054

67' : 21559+3752
ES 2524

71' : 21520+3857
COU1823

72' : 21464+3847
MLB 961

74' : 21440+3757
SEI1533

75' : 21558+3716
HO 174AB

77' : 21550+3843
KU 62

77' : 21438+3742
TDT3122

77' : 21529+3901
SEI1542

78' : 21564+3725
ES 2525



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.

21502+3750 ES 1996

 
 
21h 50m 15.70s +37° 50' 27.6" P.A. 337.00 sep 2.3 mag 11.90,12.20
 
 
Coord 2000 21502+3750 Discov num ES 1996 Comp Coord arcsec 2000 21 50 15.70 +37 50 27.6
Date first 1922 Date last 2016 Obs 4
Pa first 347 Pa last 337.1 P.A. Now (θ) 337.1°
Sep first 2.2 Sep last 2.336 Sep. Now (ρ) 2.336"
Mag pri 11.90 Mag sec 12.20 delta mag (ΔM) 0.3 Spectral class
Pri motion ra +003 Sec motion ra
Pri motion dec -003 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 1952954756580584448
 
 
WDS 21502+3750 ES 1996 : 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Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E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
21502+3750 ES 1996 1994 2 345 2.7 11.90 12.20
21502+3750 ES 1996 2000 3 357 3.4 11.90 12.20 215015.70+375027.6
21502+3750 ES 1996 2015 4 334 2.1 11.90 12.20 215015.70+375027.6
21502+3750 ES 1996 2016 4 337 2.3 11.90 12.20 215015.70+375027.6

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

 
 
WDS 21502+3750 ES 1996 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21502+3750 ES 1996 : MEASURES
 
 
No records found.

 
 
WDS 21502+3750 : VIRTUAL EYEPIECE
 
 

21502+3750 ES 1996A mag 11.9 21502+3750 ES 1996B sep 2.3 P.A. 341.60 mag 12.2 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 21502+3750 : ALADIN DSS IMAGE @ 21h 50m 15.70s +37° 50' 27.6"
 
 
 
 
WDS 21502+3750 ES 1996 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21502+3750 ES 1996 distance=0' 21512+3741 TDT3193 distance=15' 21514+3730 SEI1540 distance=24' 21484+3806 ALI 694 distance=28' 21493+3816 A 1448 distance=29' 21520+3722 CRB 144 distance=36' 21522+3817 TDT3205 distance=36' 21471+3737 GRV 504 distance=40' 21520+3826 HDS3114 distance=41' 21517+3716 COU1641 distance=42' 21466+3815 COU1639 distance=50' 21457+3800 DAM1461 distance=55' 21506+3847 MLB 962 distance=57' 21547+3814 TOK 638AB distance=58' 21526+3841 MLB 991 distance=58' 21492+3849 TDT3176 distance=60' 21520+3653 J 3149AB distance=63' 21520+3653 TDT3202AC distance=63' 21450+3800 LDS1054 distance=63' 21559+3752 ES 2524 distance=67' 21520+3857 COU1823 distance=71' 21464+3847 MLB 961 distance=72' 21440+3757 SEI1533 distance=74' 21558+3716 HO 174CD distance=74' 21558+3716 HO 174BC distance=75' 21558+3716 HO 174AB distance=75' 21558+3716 HO 174AC distance=75' 21550+3843 KU 62 distance=77' 21438+3742 TDT3122 distance=77' 21529+3901 SEI1542 distance=77' 21564+3725 ES 2525 distance=78' 21560+3712 SCH 1 distance=79' 21557+3708 ES 2523 distance=80' 21569+3735 BKO 905AB distance=81' 21569+3735 BKO 905AC distance=81' 21569+3735 BKO 905AD distance=81' 21550+3851 TDT3237 distance=83' 21490+3912 TDT3173 distance=84' 21434+3817 S 799BD distance=84' 21432+3801 HDS3094Aa,Ab distance=84' 21432+3801 BLL 55AB distance=84' 21481+3911 TDT3162 distance=85' 21434+3817 KUI 109Aa,Ab distance=85' 21434+3817 S 799AB distance=85' 21434+3817 S 799AC distance=85' 21487+3914 TDS1147 distance=86' 21573+3732 ES 2526BC distance=86' 21556+3849 A 1449 distance=86' 21453+3853 TDT3139 distance=86' 21573+3732 ES 2526AB distance=86' 21573+3732 ABH 155AD distance=86' 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 21502+3750 ES 1996 337 2.3
Show 21512+3741 TDT3193 212 1.2 15
Show 21514+3730 SEI1540 207 23.6 24
Show 21484+3806 ALI 694 163 6.4 28
Show 21493+3816 A 1448 331 4.7 29
Show 21520+3722 CRB 144 109 12.2 36
Show 21522+3817 TDT3205 142 0.5 36
Show 21471+3737 GRV 504 21 53.5 40
Show 21520+3826 HDS3114 119 0.1 41
Show 21517+3716 COU1641 309 2.1 42
Show 21466+3815 COU1639 204 1.8 50
Show 21457+3800 DAM1461 190 1.7 55
Show 21506+3847 MLB 962 322 4.4 57
Show 21547+3814 TOK 638 AB 65 999.9 58
Show 21526+3841 MLB 991 4.4 58
Show 21492+3849 TDT3176 1 2.3 60
Show 21520+3653 J 3149 AB 93 5.0 63
Show 21520+3653 TDT3202 AC 210 0.6 63
Show 21450+3800 LDS1054 8 127.0 63
Show 21559+3752 ES 2524 277 6.2 67
Show 21520+3857 COU1823 13 1.0 71
Show 21464+3847 MLB 961 4 6.5 72
Show 21440+3757 SEI1533 13 25.7 74
Show 21558+3716 HO 174 CD 262 6.0 74
Show 21558+3716 HO 174 BC 224 163.0 75
Show 21558+3716 HO 174 AB 335 7.6 75
Show 21558+3716 HO 174 AC 226 160.4 75
Show 21550+3843 KU 62 54 1.6 77
Show 21438+3742 TDT3122 280 0.6 77
Show 21529+3901 SEI1542 172 29.7 77
Show 21564+3725 ES 2525 110 8.4 78
Show 21560+3712 SCH 1 290 90.6 79
Show 21557+3708 ES 2523 32 4.7 80
Show 21569+3735 BKO 905 AB 316 6.3 81
Show 21569+3735 BKO 905 AC 36 6.8 81
Show 21569+3735 BKO 905 AD 33 17.8 81
Show 21550+3851 TDT3237 115 1.7 83
Show 21490+3912 TDT3173 137 0.6 84
Show 21434+3817 S 799 BD 254 34.0 84
Show 21432+3801 HDS3094 Aa,Ab 245 0.1 84
Show 21432+3801 BLL 55 AB 117 142.4 84
Show 21481+3911 TDT3162 146 2.0 85
Show 21434+3817 KUI 109 Aa,Ab 142 1.9 85
Show 21434+3817 S 799 AB 60 149.5 85
Show 21434+3817 S 799 AC 318 135.3 85
Show 21487+3914 TDS1147 26 1.0 86
Show 21573+3732 ES 2526 BC 183 5.8 86
Show 21556+3849 A 1449 50 0.3 86
Show 21453+3853 TDT3139 65 0.5 86
Show 21573+3732 ES 2526 AB 269 17.9 86
Show 21573+3732 ABH 155 AD 259 99.1 86

 
 
WDS 21502+3750 : COMPONENTS
 
 
  A
B pa=341.6°
sep=2.27"
 
 
21502+3750 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 215015.70+375027.6 Mag 11.9 PmRA 3.00
PmDE -3.0
 
 
21502+3750 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 215015.64+375029.8 Mag 12.2 Calc delta mag 0.3
Calc coord yes