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Doubles in session


Current system
21165+4046
ES 1690


Nearby doubles
16' : 21161+4101
COU2229

24' : 21164+4110
ES 1689

25' : 21145+4036
COU2227

26' : 21176+4023
LDS2505

27' : 21170+4020
SEI1487

28' : 21168+4019
TOB 219

29' : 21174+4020
SEI1492

29' : 21140+4051
KPP1300

29' : 21139+4042
TDT2840

33' : 21189+4102
HO 601AB

33' : 21153+4017
A 1440

34' : 21143+4109
STT 432

35' : 21192+4102
HO 602

36' : 21195+4048
TDT2903

37' : 21192+4026
LDS2508AB

38' : 21169+4009
COU1972

39' : 21193+4108
TDT2901

43' : 21163+4129
ES 1688

43' : 21129+4033
ES 256

45' : 21144+4124
LDS2499

45' : 21171+4002
GRV 443

46' : 21171+4001
A 1441AB

46' : 21180+4003
LDS2506

47' : 21165+3959
SEI1484

49' : 21157+4135
POP 170

54' : 21121+4123
LDS2494



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.

21165+4046 ES 1690

 
 
21h 16m 26.72s +40° 46' 10.0" P.A. 101.00 sep 3.8 mag 11.00,12.50
 
 
Coord 2000 21165+4046 Discov num ES 1690 Comp Coord arcsec 2000 21 16 26.72 +40 46 10.0
Date first 1895 Date last 2015 Obs 7
Pa first 105 Pa last 101.2 P.A. Now (θ) 101.2°
Sep first 3.8 Sep last 3.825 Sep. Now (ρ) 3.825"
Mag pri 11.00 Mag sec 12.50 delta mag (ΔM) 1.5 Spectral class
Pri motion ra -003 Sec motion ra
Pri motion dec +001 Sec motion dec
Notes R (Red magnitudes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3173-00851-1 Gaia DR2 1968667086985328640
 
 
WDS 21165+4046 ES 1690 : 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Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E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
21165+4046 ES 1690 2002 3 103 3.7 9.50 10.50 205631.65+403318.8
21165+4046 ES 1690 2015 7 101 3.8 11.00 12.50 R 211626.72+404610.0

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

 
 
WDS 21165+4046 ES 1690 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21165+4046 ES 1690 : MEASURES
 
 
No records found.

 
 
WDS 21165+4046 : VIRTUAL EYEPIECE
 
 

21165+4046 ES 1690A mag 11 21165+4046 ES 1690B sep 2.9 P.A. 104.70 mag 12.5 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 21165+4046 : ALADIN DSS IMAGE @ 21h 16m 26.72s +40° 46' 10.0"
 
 
 
 
WDS 21165+4046 ES 1690 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21165+4046 ES 1690 distance=0' 21161+4101 COU2229 distance=16' 21164+4110 ES 1689 distance=24' 21145+4036 COU2227 distance=25' 21176+4023 LDS2505 distance=26' 21170+4020 SEI1487 distance=27' 21168+4019 TOB 219 distance=28' 21174+4020 SEI1492 distance=29' 21140+4051 KPP1300 distance=29' 21139+4042 TDT2840 distance=29' 21189+4102 HO 601AB distance=33' 21189+4102 HO 601AC distance=33' 21153+4017 A 1440 distance=33' 21143+4109 STT 432 distance=34' 21192+4102 HO 602 distance=35' 21195+4048 TDT2903 distance=36' 21192+4026 LDS2508AB distance=37' 21169+4009 COU1972 distance=38' 21193+4108 TDT2901 distance=39' 21163+4129 ES 1688 distance=43' 21129+4033 ES 256 distance=43' 21144+4124 LDS2499 distance=45' 21171+4002 GRV 443 distance=45' 21171+4001 A 1441AB distance=46' 21171+4001 SEI1489AC distance=46' 21180+4003 LDS2506 distance=46' 21165+3959 SEI1484 distance=47' 21157+4135 POP 170 distance=49' 21169+4140 POP 186CD distance=54' 21121+4123 LDS2494 distance=54' 21204+4017 RAO 451 distance=54' 21169+4140 POP 186AB distance=55' 21169+4140 POP 186AC distance=55' 21175+3950 SEI1493 distance=58' 21183+4140 COU2302AB distance=58' 21183+4140 GII 30AB,C distance=58' 21217+4053 ES 1691 distance=60' 21191+3954 SEI1502 distance=60' 21147+4143 POP1231 distance=61' 21129+4003 LDS2495 distance=61' 21209+4010 UC 259AB distance=63' 21219+4049 GRV 456 distance=63' 21115+4115 STT 431BC distance=63' 21115+4115 STT 431AB distance=63' 21115+4115 STT 431AC distance=63' 21146+3947 LDS2500 distance=63' 21176+3945 STF2785 distance=63' 21199+3957 SEI1506 distance=64' 21109+4034 ES 255 distance=64' 21209+4127 HO 156 distance=65' 21184+3943 SEI1497 distance=67' 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 21165+4046 ES 1690 101 3.8
Show 21161+4101 COU2229 278 0.8 16
Show 21164+4110 ES 1689 136 3.3 24
Show 21145+4036 COU2227 193 1.2 25
Show 21176+4023 LDS2505 23 4.3 26
Show 21170+4020 SEI1487 238 21.2 27
Show 21168+4019 TOB 219 212 35.0 28
Show 21174+4020 SEI1492 246 24.6 29
Show 21140+4051 KPP1300 32 9.9 29
Show 21139+4042 TDT2840 235 0.7 29
Show 21189+4102 HO 601 AB 176 17.1 33
Show 21189+4102 HO 601 AC 82 56.7 33
Show 21153+4017 A 1440 213 1.2 33
Show 21143+4109 STT 432 115 1.3 34
Show 21192+4102 HO 602 27 4.2 35
Show 21195+4048 TDT2903 9 0.4 36
Show 21192+4026 LDS2508 AB 357 7.8 37
Show 21169+4009 COU1972 145 0.2 38
Show 21193+4108 TDT2901 306 0.5 39
Show 21163+4129 ES 1688 147 5.3 43
Show 21129+4033 ES 256 281 4.5 43
Show 21144+4124 LDS2499 320 6.2 45
Show 21171+4002 GRV 443 333 16.6 45
Show 21171+4001 A 1441 AB 273 0.2 46
Show 21171+4001 SEI1489 AC 102 16.4 46
Show 21180+4003 LDS2506 161 14.1 46
Show 21165+3959 SEI1484 7 4.2 47
Show 21157+4135 POP 170 75 1.4 49
Show 21169+4140 POP 186 CD 93 4.2 54
Show 21121+4123 LDS2494 212 2.0 54
Show 21204+4017 RAO 451 116 2.8 54
Show 21169+4140 POP 186 AB 297 10.7 55
Show 21169+4140 POP 186 AC 130 60.7 55
Show 21175+3950 SEI1493 142 24.1 58
Show 21183+4140 COU2302 AB 63 1.3 58
Show 21183+4140 GII 30 AB,C 187 14.1 58
Show 21217+4053 ES 1691 174 5.3 60
Show 21191+3954 SEI1502 274 13.1 60
Show 21147+4143 POP1231 269 54.6 61
Show 21129+4003 LDS2495 173 5.0 61
Show 21209+4010 UC 259 AB 110 55.0 63
Show 21219+4049 GRV 456 56 36.5 63
Show 21115+4115 STT 431 BC 354 57.1 63
Show 21115+4115 STT 431 AB 127 2.6 63
Show 21115+4115 STT 431 AC 356 55.4 63
Show 21146+3947 LDS2500 355 14.5 63
Show 21176+3945 STF2785 234 2.9 63
Show 21199+3957 SEI1506 60 7.8 64
Show 21109+4034 ES 255 34 4.6 64
Show 21209+4127 HO 156 50 2.2 65
Show 21184+3943 SEI1497 213 10.0 67

 
 
WDS 21165+4046 : COMPONENTS
 
 
  A
B pa=104.7°
sep=2.94"
 
 
21165+4046 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 211626.72+404610.0 Mag 11 PmRA -3.00
PmDE 1.0 Tycho2 3173-00851-1
Tycho2
Tycho2 3173-00851-1 Pflag RAmdeg 319.11131524 DEmdeg 40.76943677
PmRA 4.3 PmDE -3.9 E RAmdeg 42 E DEmdeg 39
E pmRA 1.7 E pmDE 1.6 EpRAm 1984.58 EpDEm 1985.15
Num 3 Q RAmdeg 1.0 Q DEmdeg 1.1 Q pmRA 1.0
Q pmDE 1.1 BTmag 11.675 E BTmag 0.061 VTmag 11.284
E VTmag 0.071 Prox 999 TYC T HIP
CCDM RAdeg 319.11130167 DEdeg 40.76944583 EpRA 1990 1.57
EpDE 1990 1.70 E RAdeg 43.5 E DEdeg 40.0 Posflg
Corr 0.1
 
 
21165+4046 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 211626.97+404609.3 Mag 12.5 Calc delta mag 1.5
Calc coord yes