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Doubles in session


Current system
21054+4256
ES 1579


Nearby doubles
11' : 21062+4249
KPP1022

15' : 21056+4241
TDT2735

16' : 21069+4256
ES 1580

21' : 21064+4314
LDS2488

22' : 21062+4315
DAM1460

25' : 21069+4314
TDT2759

32' : 21039+4322
TDT2722

33' : 21071+4322
ES 1452

34' : 21053+4328
LDS2486

35' : 21041+4225
GII 54

35' : 21040+4225
COU2433

40' : 21086+4312
GRV 423

40' : 21024+4236
ES 1578

42' : 21022+4235
ES 1577

44' : 21015+4301
TDT2698

46' : 21058+4341
BU 679

48' : 21027+4218
LDS6351

49' : 21099+4257
LDS2492

54' : 21097+4230
GRV 428

55' : 21104+4253
BRT1144AB

56' : 21105+4300
VKI 39

59' : 21100+4326
ES 1453

59' : 21108+4249
VKI 40

63' : 21032+4158
COU2432

67' : 20598+4321
LDS2479

69' : 20592+4257
ES 1576



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.

21054+4256 ES 1579

 
 
21h 05m 26.94s +42° 55' 48.3" P.A. 273.00 sep 4.3 mag 10.06,12.70
 
 
Coord 2000 21054+4256 Discov num ES 1579 Comp Coord arcsec 2000 21 05 26.94 +42 55 48.3
Date first 1916 Date last 2016 Obs 6
Pa first 270 Pa last 273.2 P.A. Now (θ) 273.2°
Sep first 3.5 Sep last 4.34 Sep. Now (ρ) 4.34"
Mag pri 10.06 Mag sec 12.70 delta mag (ΔM) 2.64 Spectral class
Pri motion ra +014 Sec motion ra
Pri motion dec +010 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3176-00041-1 Gaia DR2 1969746532528496640
 
 
WDS 21054+4256 ES 1579 : 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Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E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
21054+4256 ES 1579 1988 3 282 3.7 10.06 12.70 210526.94+425548.3
21054+4256 ES 1579 2016 4 273 4.3 10.06 12.70 210526.94+425548.3

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

 
 
WDS 21054+4256 ES 1579 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21054+4256 ES 1579 : MEASURES
 
 
No records found.

 
 
WDS 21054+4256 : VIRTUAL EYEPIECE
 
 

21054+4256 ES 1579A mag 10.06 21054+4256 ES 1579B sep 3.2 P.A. 274.40 mag 12.7 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 21054+4256 : ALADIN DSS IMAGE @ 21h 05m 26.94s +42° 55' 48.3"
 
 
 
 
WDS 21054+4256 ES 1579 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21054+4256 ES 1579 distance=0' 21062+4249 KPP1022 distance=11' 21056+4241 TDT2735 distance=15' 21069+4256 ES 1580 distance=16' 21064+4314 LDS2488 distance=21' 21062+4315 DAM1460 distance=22' 21069+4314 TDT2759 distance=25' 21039+4322 TDT2722 distance=32' 21071+4322 ES 1452 distance=33' 21053+4328 LDS2486 distance=34' 21041+4225 GII 54 distance=35' 21040+4225 COU2433 distance=35' 21086+4312 GRV 423 distance=40' 21024+4236 ES 1578 distance=40' 21022+4235 ES 1577 distance=42' 21015+4301 TDT2698 distance=44' 21058+4341 BU 679 distance=46' 21027+4218 LDS6351 distance=48' 21099+4257 LDS2492 distance=49' 21097+4230 GRV 428 distance=54' 21104+4253 BRT1144AB distance=55' 21104+4253 BRT1144AC distance=55' 21104+4253 BRT1144BC distance=55' 21105+4300 VKI 39 distance=56' 21100+4326 ES 1453 distance=59' 21108+4249 VKI 40 distance=59' 21032+4158 COU2432 distance=63' 20598+4321 LDS2479 distance=67' 20592+4257 ES 1576 distance=69' 20598+4225 CLZ 78 distance=70' 21118+4259 STJ 91 distance=71' 21115+4233 COU2225 distance=72' 20590+4259 LDS2475 distance=73' 21048+4144 COU2434 distance=73' 20584+4303 ES 1575 distance=77' 21092+4152 LDS2491 distance=79' 20590+4330 LDS2476 distance=79' 21039+4138 STTA214AB distance=81' 21112+4346 ES 1454AB distance=81' 20595+4339 LDS2478 distance=81' 21112+4346 ES 1454BC distance=81' 21101+4359 HJ 1618BC distance=81' 21039+4138 STTA214BC distance=82' 21101+4359 HJ 1618AB distance=82' 20584+4326 ES 1451 distance=82' 21076+4137 BVD 159 distance=83' 21103+4359 STF2773EF distance=83' 21103+4359 STF2773AB distance=83' 21103+4359 STF2773AC distance=83' 21103+4359 STF2773AD distance=83' 21103+4359 STF2773AE distance=83' 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 21054+4256 ES 1579 273 4.3
Show 21062+4249 KPP1022 29 8.2 11
Show 21056+4241 TDT2735 95 0.5 15
Show 21069+4256 ES 1580 88 3.8 16
Show 21064+4314 LDS2488 166 2.2 21
Show 21062+4315 DAM1460 284 2.4 22
Show 21069+4314 TDT2759 119 0.5 25
Show 21039+4322 TDT2722 20 0.5 32
Show 21071+4322 ES 1452 19 2.3 33
Show 21053+4328 LDS2486 329 78.2 34
Show 21041+4225 GII 54 246 5.3 35
Show 21040+4225 COU2433 52 0.3 35
Show 21086+4312 GRV 423 212 62.4 40
Show 21024+4236 ES 1578 233 2.8 40
Show 21022+4235 ES 1577 41 5.8 42
Show 21015+4301 TDT2698 6 0.6 44
Show 21058+4341 BU 679 75 0.7 46
Show 21027+4218 LDS6351 156 134.5 48
Show 21099+4257 LDS2492 135 21.5 49
Show 21097+4230 GRV 428 142 40.9 54
Show 21104+4253 BRT1144 AB 19 2.9 55
Show 21104+4253 BRT1144 AC 341 5.1 55
Show 21104+4253 BRT1144 BC 309 3.3 55
Show 21105+4300 VKI 39 236 1.3 56
Show 21100+4326 ES 1453 67 5.3 59
Show 21108+4249 VKI 40 255 3.8 59
Show 21032+4158 COU2432 24 0.8 63
Show 20598+4321 LDS2479 287 2.0 67
Show 20592+4257 ES 1576 350 3.7 69
Show 20598+4225 CLZ 78 347 38.2 70
Show 21118+4259 STJ 91 271 1.0 71
Show 21115+4233 COU2225 82 2.1 72
Show 20590+4259 LDS2475 90 12.2 73
Show 21048+4144 COU2434 189 0.9 73
Show 20584+4303 ES 1575 356 5.3 77
Show 21092+4152 LDS2491 184 17.0 79
Show 20590+4330 LDS2476 65 3.0 79
Show 21039+4138 STTA214 AB 184 57.4 81
Show 21112+4346 ES 1454 AB 111 66.8 81
Show 20595+4339 LDS2478 125 2.2 81
Show 21112+4346 ES 1454 BC 285 3.2 81
Show 21101+4359 HJ 1618 BC 132 2.9 81
Show 21039+4138 STTA214 BC 244 106.3 82
Show 21101+4359 HJ 1618 AB 174 21.7 82
Show 20584+4326 ES 1451 101 8.6 82
Show 21076+4137 BVD 159 49 4.3 83
Show 21103+4359 STF2773 EF 41 10.7 83
Show 21103+4359 STF2773 AB 112 3.3 83
Show 21103+4359 STF2773 AC 64 20.3 83
Show 21103+4359 STF2773 AD 262 29.4 83
Show 21103+4359 STF2773 AE 149 52.2 83

 
 
WDS 21054+4256 : COMPONENTS
 
 
  A
B pa=274.4°
sep=3.18"
 
 
21054+4256 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 210526.94+425548.3 Mag 10.06 PmRA 14.00
PmDE 10.0 Tycho2 3176-00041-1
Tycho2
Tycho2 3176-00041-1 Pflag RAmdeg 316.36228676 DEmdeg 42.93009176
PmRA 13.8 PmDE 9.7 E RAmdeg 21 E DEmdeg 19
E pmRA 2.3 E pmDE 2.1 EpRAm 1989.35 EpDEm 1989.86
Num 3 Q RAmdeg 6.3 Q DEmdeg 0.1 Q pmRA 6.2
Q pmDE 0.1 BTmag 11.360 E BTmag 0.053 VTmag 10.059
E VTmag 0.028 Prox 999 TYC T HIP
CCDM RAdeg 316.36226694 DEdeg 42.93007000 EpRA 1990 1.60
EpDE 1990 1.81 E RAdeg 23.8 E DEdeg 20.9 Posflg
Corr 0.0
 
 
21054+4256 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 210526.65+425548.5 Mag 12.7 Calc delta mag 2.64
Calc coord yes