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Doubles in session


Current system
21256+4741
ES 679


Nearby doubles
11' : 21263+4732
TDT2966

23' : 21246+4801
HJ 1644AB

24' : 21278+4748
ES 680

25' : 21242+4801
SKF2397

36' : 21238+4710
A 765AB

38' : 21291+4727
TDS1130

39' : 21282+4713
ES 1171AB

39' : 21254+4818
ES 1102AB

42' : 21258+4658
OL 221

42' : 21297+4732
A 767

44' : 21288+4809
HJ 1651

47' : 21303+4740
COU2440

50' : 21212+4804
ES 678

51' : 21306+4742
ES 824

54' : 21204+4733
A 762

54' : 21308+4752
A 769

54' : 21304+4717
ES 516

57' : 21231+4831
HDS3045

62' : 21247+4640
KPP1079

68' : 21316+4811
SWN 5

68' : 21295+4836
SWN 1

68' : 21254+4633
SKF1392

69' : 21311+4701
CLZ 80

70' : 21315+4817
A 771AB

70' : 21308+4827
A 770AB

71' : 21304+4832
SWN 3



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.

21256+4741 ES 679

 
 
21h 25m 37.61s +47° 40' 31.8" P.A. 275.00 sep 3.6 mag 11.15,12.30
 
 
Coord 2000 21256+4741 Discov num ES  679 Comp Coord arcsec 2000 21 25 37.61 +47 40 31.8
Date first 1908 Date last 2016 Obs 6
Pa first 276 Pa last 275.3 P.A. Now (θ) 275.3°
Sep first 4.5 Sep last 3.567 Sep. Now (ρ) 3.567"
Mag pri 11.15 Mag sec 12.30 delta mag (ΔM) 1.15 Spectral class
Pri motion ra +054 Sec motion ra -009
Pri motion dec +000 Sec motion dec +009
Notes
rPM=1.179
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3594-02365-1 Gaia DR2 1972549084594190848
 
 
WDS 21256+4741 ES 679 : 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Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E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
21256+4741 ES 679 2000 2 276 3.6 11.15 12.30 D 212537.61+474031.8
21256+4741 ES 679 2003 3 275 3.5 11.15 12.30 D 212537.61+474031.8
21256+4741 ES 679 2015 4 275 3.6 11.15 12.30 212537.61+474031.8
21256+4741 ES 679 2016 6 275 3.6 11.15 12.30 212537.61+474031.8

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

 
 
WDS 21256+4741 ES 679 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21256+4741 ES 679 : MEASURES
 
 
No records found.

 
 
WDS 21256+4741 : VIRTUAL EYEPIECE
 
 

21256+4741 ES 679A mag 11.15 21256+4741 ES 679B sep 2.4 P.A. 277.80 mag 12.3 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 21256+4741 : ALADIN DSS IMAGE @ 21h 25m 37.61s +47° 40' 31.8"
 
 
 
 
WDS 21256+4741 ES 679 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21256+4741 ES 679 distance=0' 21263+4732 TDT2966 distance=11' 21246+4801 HJ 1644AB distance=23' 21246+4801 HJ 1644AC distance=23' 21278+4748 ES 680 distance=24' 21242+4801 SKF2397 distance=25' 21238+4710 A 765CD distance=36' 21238+4710 A 765AB distance=36' 21238+4710 A 765AB,C distance=36' 21291+4727 TDS1130 distance=38' 21254+4818 ES 1102BC distance=38' 21254+4818 CRB 7Ca,Cb distance=38' 21254+4818 ES 1102CD distance=38' 21282+4713 ES 1171AB distance=39' 21282+4713 ES 1171AC distance=39' 21254+4818 ES 1102AB distance=39' 21258+4658 OL 221 distance=42' 21297+4732 A 767 distance=42' 21288+4809 HJ 1651 distance=44' 21303+4740 COU2440 distance=47' 21212+4804 ES 678 distance=50' 21306+4742 ES 824 distance=51' 21204+4733 A 762 distance=54' 21308+4752 A 769 distance=54' 21304+4717 ES 516 distance=54' 21231+4831 HDS3045 distance=57' 21247+4640 KPP1079 distance=62' 21316+4811 SWN 5 distance=68' 21295+4836 SWN 1 distance=68' 21254+4633 SKF1392 distance=68' 21311+4701 CLZ 80 distance=69' 21315+4817 A 771AB distance=70' 21308+4827 A 770AB distance=70' 21308+4827 A 770AB,C distance=70' 21308+4827 A 770AB,D distance=70' 21304+4832 SWN 3 distance=71' 21314+4821 COU2441 distance=71' 21308+4827 A 770DE distance=72' 21185+4747 HJ 1635AB distance=72' 21185+4747 HJ 1635AC distance=72' 21185+4747 HJ 1635AD distance=72' 21292+4629 ES 1274AB distance=77' 21314+4829 ARN 78AB distance=79' 21259+4622 ES 1170AB distance=79' 21259+4622 ES 1170AC distance=79' 21321+4828 COU2442 distance=79' 21241+4623 TOI1324 distance=80' 21292+4629 ES 1274CD distance=80' 21300+4848 SWN 2 distance=81' 21323+4821 DJU 7 distance=81' 21332+4816 POP 55 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 21256+4741 ES 679 275 3.6
Show 21263+4732 TDT2966 196 0.8 11
Show 21246+4801 HJ 1644 AB 114 24.1 23
Show 21246+4801 HJ 1644 AC 42 37.7 23
Show 21278+4748 ES 680 331 7.6 24
Show 21242+4801 SKF2397 246 2.8 25
Show 21238+4710 A 765 CD 345 5.9 36
Show 21238+4710 A 765 AB 22 0.6 36
Show 21238+4710 A 765 AB,C 22 26.4 36
Show 21291+4727 TDS1130 176 1.3 38
Show 21254+4818 ES 1102 BC 38 7.0 38
Show 21254+4818 CRB 7 Ca,Cb 110 1.6 38
Show 21254+4818 ES 1102 CD 110 3.6 38
Show 21282+4713 ES 1171 AB 197 3.8 39
Show 21282+4713 ES 1171 AC 232 21.5 39
Show 21254+4818 ES 1102 AB 195 49.1 39
Show 21258+4658 OL 221 14 2.2 42
Show 21297+4732 A 767 169 1.3 42
Show 21288+4809 HJ 1651 334 11.9 44
Show 21303+4740 COU2440 179 0.5 47
Show 21212+4804 ES 678 115 4.4 50
Show 21306+4742 ES 824 353 6.0 51
Show 21204+4733 A 762 359 2.5 54
Show 21308+4752 A 769 296 0.7 54
Show 21304+4717 ES 516 147 3.4 54
Show 21231+4831 HDS3045 63 0.1 57
Show 21247+4640 KPP1079 10 8.6 62
Show 21316+4811 SWN 5 30 5.1 68
Show 21295+4836 SWN 1 2 5.3 68
Show 21254+4633 SKF1392 279 33.0 68
Show 21311+4701 CLZ 80 346 9.3 69
Show 21315+4817 A 771 AB 50 0.0 70
Show 21308+4827 A 770 AB 143 0.1 70
Show 21308+4827 A 770 AB,C 317 1.1 70
Show 21308+4827 A 770 AB,D 15 98.9 70
Show 21304+4832 SWN 3 142 1.0 71
Show 21314+4821 COU2441 304 0.2 71
Show 21308+4827 A 770 DE 41 7.2 72
Show 21185+4747 HJ 1635 AB 344 17.0 72
Show 21185+4747 HJ 1635 AC 82 19.2 72
Show 21185+4747 HJ 1635 AD 241 17.5 72
Show 21292+4629 ES 1274 AB 242 3.2 77
Show 21314+4829 ARN 78 AB 101 50.0 79
Show 21259+4622 ES 1170 AB 345 5.3 79
Show 21259+4622 ES 1170 AC 343 10.5 79
Show 21321+4828 COU2442 300 0.2 79
Show 21241+4623 TOI1324 194 1.5 80
Show 21292+4629 ES 1274 CD 46 6.0 80
Show 21300+4848 SWN 2 352 3.1 81
Show 21323+4821 DJU 7 98 3.1 81
Show 21332+4816 POP 55 201 4.9 83

 
 
WDS 21256+4741 : COMPONENTS
 
 
  A
B pa=277.8°
sep=2.41"
 
 
21256+4741 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 212537.61+474031.8 Mag 11.15 PmRA 54.00
PmDE 0.0 Tycho2 3594-02365-1
Tycho2
Tycho2 3594-02365-1 Pflag RAmdeg 321.40672460 DEmdeg 47.67551893
PmRA 35.9 PmDE 5.3 E RAmdeg 43 E DEmdeg 43
E pmRA 2.2 E pmDE 2.1 EpRAm 1987.38 EpDEm 1987.03
Num 3 Q RAmdeg 0.4 Q DEmdeg 0.2 Q pmRA 0.5
Q pmDE 0.1 BTmag 11.579 E BTmag 0.067 VTmag 11.145
E VTmag 0.072 Prox 925 TYC HIP
CCDM RAdeg 321.40660083 DEdeg 47.67550667 EpRA 1990 1.63
EpDE 1990 1.75 E RAdeg 44.3 E DEdeg 44.1 Posflg
Corr 0.1
 
 
21256+4741 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 212537.37+474032.1 Mag 12.3 PmRA -9.00
PmDE 9.0 Calc delta mag 1.15 Calc coord yes