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Doubles in session


Current system
21051+3914
ES 1987


Nearby doubles
8' : 21047+3908
SEI1393

15' : 21042+3924
SEI1389

18' : 21058+3929
A 2691AB

24' : 21054+3937
CRB 137

24' : 21037+3857
TDT2720

24' : 21040+3854
TDT2723

26' : 21071+3905
ALI 960

32' : 21073+3857
MLB 889

33' : 21071+3852
MLB 888

35' : 21074+3853
MLB 890

36' : 21020+3914
LV 9

36' : 21023+3931
H 4 113AB

37' : 21069+3845
STF2758AB

37' : 21052+3838
ALI 958

37' : 21037+3842
SEI1384

38' : 21018+3916
STF2746

40' : 21029+3946
SEI1379

42' : 21070+3839
ES 2059

43' : 21072+3841
MLB1018

43' : 21074+3841
MLB1019

44' : 21025+3844
SEI1374

46' : 21068+3834
TDT2758

46' : 21015+3855
SEI1371

48' : 21061+4001
COU2224

49' : 21086+3942
ALI1154

51' : 21031+3959
LDS2483AB



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.

21051+3914 ES 1987

 
 
21h 05m 03.57s +39° 14' 20.2" P.A. 354.00 sep 7.0 mag 10.19,11.80
 
 
Coord 2000 21051+3914 Discov num ES 1987 Comp Coord arcsec 2000 21 05 03.57 +39 14 20.2
Date first 1922 Date last 2015 Obs 9
Pa first 355 Pa last 353.6 P.A. Now (θ) 353.6°
Sep first 6.6 Sep last 6.999 Sep. Now (ρ) 6.999"
Mag pri 10.19 Mag sec 11.80 delta mag (ΔM) 1.61 Spectral class
Pri motion ra +000 Sec motion ra +028
Pri motion dec -009 Sec motion dec +003
Notes
rPM=1.082
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3168-01960-1 Gaia DR2 1872262766456329216
 
 
WDS 21051+3914 ES 1987 : 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Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E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
21051+3914 ES 1987 1998 3 354 7.0 10.19 11.80 D 210503.57+391420.2
21051+3914 ES 1987 2002 4 354 7.0 10.19 11.80 D 210503.57+391420.2
21051+3914 ES 1987 2010 5 352 6.6 10.19 11.80 210503.57+391420.2
21051+3914 ES 1987 2015 6 354 7.0 10.19 11.80 210503.57+391420.2

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

 
 
WDS 21051+3914 ES 1987 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21051+3914 ES 1987 : MEASURES
 
 
No records found.

 
 
WDS 21051+3914 : VIRTUAL EYEPIECE
 
 

21051+3914 ES 1987A mag 10.19 21051+3914 ES 1987B sep 7.0 P.A. 355.00 mag 11.8 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 21051+3914 : ALADIN DSS IMAGE @ 21h 05m 03.57s +39° 14' 20.2"
 
 
 
 
WDS 21051+3914 ES 1987 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21051+3914 ES 1987 distance=0' 21047+3908 SEI1393 distance=8' 21042+3924 SEI1389 distance=15' 21058+3929 A 2691AB distance=18' 21058+3929 A 2691AC distance=18' 21058+3929 A 2691CD distance=18' 21054+3937 CRB 137 distance=24' 21037+3857 TDT2720 distance=24' 21040+3854 TDT2723 distance=24' 21071+3905 ALI 960 distance=26' 21073+3857 MLB 889 distance=32' 21071+3852 MLB 888 distance=33' 21023+3931 WRD 4ED distance=34' 21023+3931 WRD 4EH distance=34' 21074+3853 MLB 890 distance=35' 21020+3914 LV 9 distance=36' 21023+3931 H 4 113AB distance=36' 21023+3931 H 4 113AC distance=36' 21023+3931 SMY 6AE distance=36' 21023+3931 WRD 4AF distance=36' 21023+3931 SMY 6AD distance=36' 21023+3931 WRD 4AG distance=36' 21023+3931 FYM 114AI distance=36' 21069+3845 STF2758AB distance=37' 21069+3845 STF2758AD distance=37' 21069+3845 STF2758AE distance=37' 21069+3845 STF2758AF distance=37' 21069+3845 STF2758AG distance=37' 21069+3845 STF2758AH distance=37' 21069+3845 SMR 1AI distance=37' 21069+3845 STF2758AC distance=37' 21069+3845 HZE 4AJ distance=37' 21069+3845 HZE 4AK distance=37' 21069+3845 SMR 40AO distance=37' 21069+3845 SMR 40AP distance=37' 21069+3845 SMR 40AQ distance=37' 21052+3838 ALI 958 distance=37' 21069+3845 HZE 4BL distance=37' 21069+3845 TNN 15BR distance=37' 21069+3845 STF2758BC distance=37' 21069+3845 FYM 106BM distance=37' 21069+3845 FYM 106BN distance=37' 21037+3842 SEI1384 distance=37' 21018+3916 STF2746 distance=38' 21029+3946 SEI1379 distance=40' 21070+3839 ES 2059 distance=42' 21072+3841 MLB1018 distance=43' 21074+3841 MLB1019 distance=43' 21025+3844 SEI1374 distance=44' 21068+3834 TDT2758 distance=46' 21015+3855 SEI1371 distance=46' 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 21051+3914 ES 1987 354 7.0
Show 21047+3908 SEI1393 132 25.7 8
Show 21042+3924 SEI1389 61 18.2 15
Show 21058+3929 A 2691 AB 217 2.7 18
Show 21058+3929 A 2691 AC 313 27.4 18
Show 21058+3929 A 2691 CD 275 6.4 18
Show 21054+3937 CRB 137 352 29.3 24
Show 21037+3857 TDT2720 214 0.5 24
Show 21040+3854 TDT2723 122 2.6 24
Show 21071+3905 ALI 960 110 12.9 26
Show 21073+3857 MLB 889 5 7.0 32
Show 21071+3852 MLB 888 55 4.0 33
Show 21023+3931 WRD 4 ED 230 77.7 34
Show 21023+3931 WRD 4 EH 159 37.4 34
Show 21074+3853 MLB 890 250 5.3 35
Show 21020+3914 LV 9 195 2.3 36
Show 21023+3931 H 4 113 AB 299 18.9 36
Show 21023+3931 H 4 113 AC 248 26.7 36
Show 21023+3931 SMY 6 AE 87 95.7 36
Show 21023+3931 WRD 4 AF 223 101.8 36
Show 21023+3931 SMY 6 AD 141 57.0 36
Show 21023+3931 WRD 4 AG 230 95.0 36
Show 21023+3931 FYM 114 AI 277 41.1 36
Show 21069+3845 STF2758 AB 154 32.0 37
Show 21069+3845 STF2758 AD 250 748.0 37
Show 21069+3845 STF2758 AE 267 340.8 37
Show 21069+3845 STF2758 AF 240 371.2 37
Show 21069+3845 STF2758 AG 236 260.4 37
Show 21069+3845 STF2758 AH 263 134.0 37
Show 21069+3845 SMR 1 AI 236 49.3 37
Show 21069+3845 STF2758 AC 219 839.8 37
Show 21069+3845 HZE 4 AJ 241 17.5 37
Show 21069+3845 HZE 4 AK 83 7.8 37
Show 21069+3845 SMR 40 AO 275 176.6 37
Show 21069+3845 SMR 40 AP 284 166.5 37
Show 21069+3845 SMR 40 AQ 295 76.1 37
Show 21052+3838 ALI 958 146 8.1 37
Show 21069+3845 HZE 4 BL 145 9.9 37
Show 21069+3845 TNN 15 BR 77 11.5 37
Show 21069+3845 STF2758 BC 221 827.6 37
Show 21069+3845 FYM 106 BM 238 100.7 37
Show 21069+3845 FYM 106 BN 152 48.3 37
Show 21037+3842 SEI1384 95 26.4 37
Show 21018+3916 STF2746 323 1.2 38
Show 21029+3946 SEI1379 7 19.4 40
Show 21070+3839 ES 2059 267 6.8 42
Show 21072+3841 MLB1018 252 4.4 43
Show 21074+3841 MLB1019 226 4.3 43
Show 21025+3844 SEI1374 104 17.0 44
Show 21068+3834 TDT2758 236 2.0 46
Show 21015+3855 SEI1371 147 11.2 46

 
 
WDS 21051+3914 : COMPONENTS
 
 
  A
B pa=355.0°
sep=6.98"
 
 
21051+3914 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 210503.57+391420.2 Mag 10.19 PmRA 0.00
PmDE -9.0 Tycho2 3168-01960-1
Tycho2
Tycho2 3168-01960-1 Pflag RAmdeg 316.26488571 DEmdeg 39.23897134
PmRA -3.1 PmDE -6.4 E RAmdeg 16 E DEmdeg 16
E pmRA 1.8 E pmDE 1.8 EpRAm 1990.63 EpDEm 1990.63
Num 4 Q RAmdeg 0.8 Q DEmdeg 0.8 Q pmRA 0.8
Q pmDE 0.7 BTmag 10.275 E BTmag 0.026 VTmag 10.191
E VTmag 0.030 Prox 999 TYC T HIP
CCDM RAdeg 316.26489500 DEdeg 39.23898639 EpRA 1990 1.62
EpDE 1990 1.66 E RAdeg 15.9 E DEdeg 16.4 Posflg
Corr -0.1
 
 
21051+3914 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 210503.52+391427.2 Mag 11.8 PmRA 28.00
PmDE 3.0 Calc delta mag 1.61 Calc coord yes