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Doubles in session


Current system
20417+4202
ES 1570


Nearby doubles
24' : 20396+4202
A 399

27' : 20396+4215
GNS 11

27' : 20399+4221
FMR 159

28' : 20442+4206
ES 1572

30' : 20408+4231
CBL 84

34' : 20425+4235
GRV 369

34' : 20428+4132
ES 1571

37' : 20434+4131
HJ 1571

39' : 20421+4125
COU2420

42' : 20428+4123
RAO 619

47' : 20447+4131
MLB 25

56' : 20375+4233
A 398

62' : 20366+4139
TDT2416

62' : 20390+4109
TDT2451

65' : 20472+4225
STT 414AB

67' : 20477+4204
BU 268

67' : 20444+4103
COU2423AB

69' : 20479+4204
ES 1573

69' : 20429+4311
ES 1446

72' : 20413+4314
BRT2270

72' : 20413+4051
COU2419

77' : 20393+4315
DAM 217

77' : 20349+4216
TDT2393

78' : 20358+4123
NML 1

78' : 20437+4318
ES 1447

79' : 20349+4143
STU 13



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.

20417+4202 ES 1570

 
 
20h 41m 42.73s +42° 03' 03.0" P.A. 118.00 sep 4.7 mag 10.70,10.80
 
 
Coord 2000 20417+4202 Discov num ES 1570 Comp Coord arcsec 2000 20 41 42.73 +42 03 03.0
Date first 1892 Date last 2018 Obs 11
Pa first 120 Pa last 117.8 P.A. Now (θ) 117.8°
Sep first 4.6 Sep last 4.686 Sep. Now (ρ) 4.686"
Mag pri 10.70 Mag sec 10.80 delta mag (ΔM) 0.1 Spectral class
Pri motion ra +017 Sec motion ra
Pri motion dec +003 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3174-00645-1 Gaia DR2 2066376115489688576
 
 
WDS 20417+4202 ES 1570 : 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Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E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
20417+4202 ES 1570 2006 7 117 4.6 10.70 10.80 D 204142.73+420303.0
20417+4202 ES 1570 2018 9 119 4.7 10.70 10.80 204142.73+420303.0

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

 
 
WDS 20417+4202 ES 1570 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20417+4202 ES 1570 : MEASURES
 
 
No records found.

 
 
WDS 20417+4202 : VIRTUAL EYEPIECE
 
 

20417+4202 ES 1570A mag 10.7 20417+4202 ES 1570B sep 3.8 P.A. 125.40 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 20417+4202 : ALADIN DSS IMAGE @ 20h 41m 42.73s +42° 03' 03.0"
 
 
 
 
WDS 20417+4202 ES 1570 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20417+4202 ES 1570 distance=0' 20396+4202 A 399 distance=24' 20396+4215 GNS 11 distance=27' 20399+4221 FMR 159 distance=27' 20442+4206 ES 1572 distance=28' 20408+4231 CBL 84 distance=30' 20425+4235 GRV 369 distance=34' 20428+4132 ES 1571 distance=34' 20434+4131 HJ 1571 distance=37' 20421+4125 COU2420 distance=39' 20428+4123 RAO 619 distance=42' 20447+4131 MLB 25 distance=47' 20375+4233 A 398 distance=56' 20366+4139 TDT2416 distance=62' 20390+4109 TDT2451 distance=62' 20472+4225 STT 414AB distance=65' 20472+4225 BOT 4AC distance=65' 20477+4204 BU 268 distance=67' 20444+4103 COU2423AB distance=67' 20444+4103 GRV 375AC distance=67' 20479+4204 ES 1573 distance=69' 20429+4311 ES 1446 distance=69' 20413+4314 BRT2270 distance=72' 20413+4051 COU2419 distance=72' 20393+4315 DAM 217 distance=77' 20349+4216 TDT2393 distance=77' 20358+4123 NML 1 distance=78' 20437+4318 ES 1447 distance=78' 20349+4143 STU 13 distance=79' 20407+4321 STF2719 distance=79' 20480+4126 ES 1681 distance=80' 20394+4318 COU2539 distance=80' 20422+4041 MLB 23 distance=83' 20345+4223 TDT2385 distance=83' 20347+4129 CAN 74AB distance=86' 20347+4129 CAN 74AC distance=86' 20347+4129 CAN 74AD distance=86' 20347+4129 CAN 74AE distance=86' 20347+4129 CAN 74AF distance=86' 20347+4129 CAN 74AG distance=86' 20353+4251 A 397AB distance=86' 20353+4251 A 397AB,C distance=86' 20429+4036 MLB 24 distance=87' 20345+4132 CAN 73AB distance=87' 20345+4132 CAN 73AC distance=87' 20345+4132 CAN 73AD distance=87' 20345+4132 CAN 73AE distance=87' 20342+4135 CAN 72AB distance=89' 20342+4135 CAN 72AC distance=89' 20341+4137 CAN 70 distance=89' 20446+4041 HJ 1574 distance=89' 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 20417+4202 ES 1570 118 4.7
Show 20396+4202 A 399 82 0.9 24
Show 20396+4215 GNS 11 182 3.7 27
Show 20399+4221 FMR 159 76 135.7 27
Show 20442+4206 ES 1572 141 5.8 28
Show 20408+4231 CBL 84 160 16.0 30
Show 20425+4235 GRV 369 26 24.8 34
Show 20428+4132 ES 1571 39 7.4 34
Show 20434+4131 HJ 1571 59 7.3 37
Show 20421+4125 COU2420 90 0.5 39
Show 20428+4123 RAO 619 141 0.6 42
Show 20447+4131 MLB 25 207 5.7 47
Show 20375+4233 A 398 22 1.7 56
Show 20366+4139 TDT2416 352 0.7 62
Show 20390+4109 TDT2451 105 0.7 62
Show 20472+4225 STT 414 AB 95 9.9 65
Show 20472+4225 BOT 4 AC 16 104.9 65
Show 20477+4204 BU 268 201 0.4 67
Show 20444+4103 COU2423 AB 180 0.3 67
Show 20444+4103 GRV 375 AC 197 31.4 67
Show 20479+4204 ES 1573 39 5.0 69
Show 20429+4311 ES 1446 134 4.5 69
Show 20413+4314 BRT2270 207 4.4 72
Show 20413+4051 COU2419 69 0.8 72
Show 20393+4315 DAM 217 281 9.7 77
Show 20349+4216 TDT2393 292 0.8 77
Show 20358+4123 NML 1 16 0.1 78
Show 20437+4318 ES 1447 308 2.4 78
Show 20349+4143 STU 13 196 27.2 79
Show 20407+4321 STF2719 142 14.2 79
Show 20480+4126 ES 1681 146 2.1 80
Show 20394+4318 COU2539 64 0.4 80
Show 20422+4041 MLB 23 41 7.6 83
Show 20345+4223 TDT2385 211 0.8 83
Show 20347+4129 CAN 74 AB 29 4.8 86
Show 20347+4129 CAN 74 AC 297 6.4 86
Show 20347+4129 CAN 74 AD 198 6.6 86
Show 20347+4129 CAN 74 AE 303 9.1 86
Show 20347+4129 CAN 74 AF 318 9.6 86
Show 20347+4129 CAN 74 AG 238 9.9 86
Show 20353+4251 A 397 AB 182 1.3 86
Show 20353+4251 A 397 AB,C 302 53.7 86
Show 20429+4036 MLB 24 175 5.9 87
Show 20345+4132 CAN 73 AB 180 2.3 87
Show 20345+4132 CAN 73 AC 109 5.2 87
Show 20345+4132 CAN 73 AD 210 6.8 87
Show 20345+4132 CAN 73 AE 275 9.5 87
Show 20342+4135 CAN 72 AB 261 2.8 89
Show 20342+4135 CAN 72 AC 85 11.4 89
Show 20341+4137 CAN 70 242 11.3 89
Show 20446+4041 HJ 1574 278 7.4 89

 
 
WDS 20417+4202 : COMPONENTS
 
 
  A
B pa=125.4°
sep=3.77"
 
 
20417+4202 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204142.73+420303.0 Mag 10.7 PmRA 17.00
PmDE 3.0
 
 
20417+4202 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204143.01+420300.8 Mag 10.8 Tycho2 3174-00645-1
Calc delta mag 0.1 Calc coord yes
Tycho2
Tycho2 3174-00645-1 Pflag RAmdeg 310.42804623 DEmdeg 42.05084007
PmRA 16.4 PmDE 4.0 E RAmdeg 96 E DEmdeg 92
E pmRA 2.1 E pmDE 2.0 EpRAm 1959.66 EpDEm 1958.02
Num 3 Q RAmdeg 1.1 Q DEmdeg 1.2 Q pmRA 1.1
Q pmDE 1.1 BTmag 12.066 E BTmag 0.126 VTmag 11.594
E VTmag 0.122 Prox 494 TYC HIP
CCDM RAdeg 310.42799389 DEdeg 42.05083056 EpRA 1990 1.53
EpDE 1990 1.63 E RAdeg 116.7 E DEdeg 113.6 Posflg
Corr -0.1