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Doubles in session


Current system
20437+4318
ES 1447


Nearby doubles
12' : 20429+4311
ES 1446

20' : 20449+4332
ES 1448

26' : 20452+4337
ES 1449

27' : 20413+4314
BRT2270

29' : 20455+4338
A 611

31' : 20415+4336
BVD 270

33' : 20407+4321
STF2719

40' : 20416+4350
ES 1445

41' : 20474+4314
TDT2539

41' : 20470+4335
GRV 380AB

44' : 20405+4343
COU2540

45' : 20425+4235
GRV 369

46' : 20461+4353
GRV 378

46' : 20404+4345
GII 99

48' : 20394+4318
COU2539

49' : 20393+4315
DAM 217

49' : 20473+4345
COU2425

52' : 20476+4347
CHN 28

57' : 20408+4231
CBL 84

58' : 20461+4410
BRT2275

63' : 20400+4405
KPP2366

66' : 20472+4225
STT 414AB

69' : 20449+4425
ES 1332

71' : 20416+4424
COU2541

71' : 20399+4221
FMR 159

73' : 20442+4206
ES 1572



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.

20437+4318 ES 1447

 
 
20h 43m 43.00s +43° 17' 26.4" P.A. 308.00 sep 2.4 mag 10.39,11.70
 
 
Coord 2000 20437+4318 Discov num ES 1447 Comp Coord arcsec 2000 20 43 43.00 +43 17 26.4
Date first 1915 Date last 2016 Obs 5
Pa first 310 Pa last 307.7 P.A. Now (θ) 307.7°
Sep first 2.3 Sep last 2.388 Sep. Now (ρ) 2.388"
Mag pri 10.39 Mag sec 11.70 delta mag (ΔM) 1.31 Spectral class
Pri motion ra -005 Sec motion ra
Pri motion dec -018 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3178-00502-1 Gaia DR2 2066947689742882048
 
 
WDS 20437+4318 ES 1447 : 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Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E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
20437+4318 ES 1447 1997 3 314 2.3 10.39 11.70 204343.00+431726.4
20437+4318 ES 1447 2015 4 308 2.4 10.39 11.70 204343.00+431726.4
20437+4318 ES 1447 2016 5 308 2.4 10.39 11.70 204343.00+431726.4

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

 
 
WDS 20437+4318 ES 1447 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20437+4318 ES 1447 : MEASURES
 
 
No records found.

 
 
WDS 20437+4318 : VIRTUAL EYEPIECE
 
 

20437+4318 ES 1447A mag 10.39 20437+4318 ES 1447B sep 2.0 P.A. 316.70 mag 11.7 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 20437+4318 : ALADIN DSS IMAGE @ 20h 43m 43.00s +43° 17' 26.4"
 
 
 
 
WDS 20437+4318 ES 1447 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20437+4318 ES 1447 distance=0' 20429+4311 ES 1446 distance=12' 20449+4332 ES 1448 distance=20' 20452+4337 ES 1449 distance=26' 20413+4314 BRT2270 distance=27' 20455+4338 A 611 distance=29' 20415+4336 BVD 270 distance=31' 20407+4321 STF2719 distance=33' 20416+4350 ES 1445 distance=40' 20474+4314 TDT2539 distance=41' 20470+4335 GRV 380AB distance=41' 20470+4335 GRV 380AC distance=41' 20405+4343 COU2540 distance=44' 20425+4235 GRV 369 distance=45' 20461+4353 GRV 378 distance=46' 20404+4345 GII 99 distance=46' 20394+4318 COU2539 distance=48' 20393+4315 DAM 217 distance=49' 20473+4345 COU2425 distance=49' 20476+4347 CHN 28 distance=52' 20408+4231 CBL 84 distance=57' 20461+4410 BRT2275 distance=58' 20400+4405 KPP2366 distance=63' 20472+4225 STT 414AB distance=66' 20472+4225 BOT 4AC distance=66' 20449+4425 ES 1332 distance=69' 20416+4424 COU2541 distance=71' 20399+4221 FMR 159 distance=71' 20442+4206 ES 1572 distance=73' 20432+4431 COU2422 distance=74' 20396+4215 GNS 11 distance=78' 20417+4202 ES 1570 distance=78' 20472+4427 COU2424 distance=80' 20375+4233 A 398 distance=82' 20501+4404 STT 595AB distance=84' 20501+4404 STG 9AC distance=84' 20501+4404 FYM 92AD distance=84' 20501+4404 FYM 92AE distance=84' 20501+4404 FYM 92AF distance=84' 20477+4204 BU 268 distance=86' 20508+4238 LDS2457 distance=87' 20479+4204 ES 1573 distance=87' 20517+4317 LDS2461 distance=87' 20396+4202 A 399 distance=89' 20519+4309 GRV 389 distance=91' 20373+4417 TDT2429 distance=93' 20513+4238 A 614 distance=93' 20459+4448 ES 2701 distance=94' 20520+4346 STT 416AB distance=95' 20520+4346 SKF2740BC distance=95' 20524+4314 LDS2462 distance=96' 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 20437+4318 ES 1447 308 2.4
Show 20429+4311 ES 1446 134 4.5 12
Show 20449+4332 ES 1448 142 2.0 20
Show 20452+4337 ES 1449 57 6.7 26
Show 20413+4314 BRT2270 207 4.4 27
Show 20455+4338 A 611 176 0.3 29
Show 20415+4336 BVD 270 76 26.0 31
Show 20407+4321 STF2719 142 14.2 33
Show 20416+4350 ES 1445 180 6.2 40
Show 20474+4314 TDT2539 77 0.5 41
Show 20470+4335 GRV 380 AB 16 21.4 41
Show 20470+4335 GRV 380 AC 312 44.6 41
Show 20405+4343 COU2540 117 0.4 44
Show 20425+4235 GRV 369 26 24.8 45
Show 20461+4353 GRV 378 135 35.3 46
Show 20404+4345 GII 99 220 3.6 46
Show 20394+4318 COU2539 64 0.4 48
Show 20393+4315 DAM 217 281 9.7 49
Show 20473+4345 COU2425 58 0.2 49
Show 20476+4347 CHN 28 57 5.0 52
Show 20408+4231 CBL 84 160 16.0 57
Show 20461+4410 BRT2275 10 2.8 58
Show 20400+4405 KPP2366 145 20.3 63
Show 20472+4225 STT 414 AB 95 9.9 66
Show 20472+4225 BOT 4 AC 16 104.9 66
Show 20449+4425 ES 1332 325 7.0 69
Show 20416+4424 COU2541 25 0.4 71
Show 20399+4221 FMR 159 76 135.7 71
Show 20442+4206 ES 1572 141 5.8 73
Show 20432+4431 COU2422 236 1.3 74
Show 20396+4215 GNS 11 182 3.7 78
Show 20417+4202 ES 1570 118 4.7 78
Show 20472+4427 COU2424 255 0.5 80
Show 20375+4233 A 398 22 1.7 82
Show 20501+4404 STT 595 AB 48 55.4 84
Show 20501+4404 STG 9 AC 83 102.7 84
Show 20501+4404 FYM 92 AD 242 51.8 84
Show 20501+4404 FYM 92 AE 190 35.2 84
Show 20501+4404 FYM 92 AF 80 46.9 84
Show 20477+4204 BU 268 201 0.4 86
Show 20508+4238 LDS2457 106 5.1 87
Show 20479+4204 ES 1573 39 5.0 87
Show 20517+4317 LDS2461 217 32.6 87
Show 20396+4202 A 399 82 0.9 89
Show 20519+4309 GRV 389 190 61.9 91
Show 20373+4417 TDT2429 84 0.5 93
Show 20513+4238 A 614 333 1.5 93
Show 20459+4448 ES 2701 81 50.9 94
Show 20520+4346 STT 416 AB 117 9.6 95
Show 20520+4346 SKF2740 BC 192 73.4 95
Show 20524+4314 LDS2462 265 39.5 96

 
 
WDS 20437+4318 : COMPONENTS
 
 
  A
B pa=316.7°
sep=2.01"
 
 
20437+4318 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204343.00+431726.4 Mag 10.39 PmRA -5.00
PmDE -18.0 Tycho2 3178-00502-1
Tycho2
Tycho2 3178-00502-1 Pflag RAmdeg 310.92920491 DEmdeg 43.29068595
PmRA -4.6 PmDE -18.3 E RAmdeg 22 E DEmdeg 22
E pmRA 1.5 E pmDE 1.5 EpRAm 1987.80 EpDEm 1987.64
Num 4 Q RAmdeg 3.5 Q DEmdeg 3.8 Q pmRA 3.5
Q pmDE 3.6 BTmag 10.777 E BTmag 0.042 VTmag 10.393
E VTmag 0.040 Prox 999 TYC T HIP
CCDM RAdeg 310.92924222 DEdeg 43.29071083 EpRA 1990 1.66
EpDE 1990 1.71 E RAdeg 26.1 E DEdeg 25.6 Posflg
Corr -0.1
 
 
20437+4318 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204342.87+431727.9 Mag 11.7 Calc delta mag 1.31
Calc coord yes