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Doubles in session


Current system
21109+3830
ES 254


Nearby doubles
3' : 21111+3831
GUR 6

11' : 21111+3821
ES 207

12' : 21114+3840
GUR 8

12' : 21113+3841
GUR 7AB

13' : 21108+3818
ALI 682

16' : 21102+3844
SEI1426

17' : 21122+3828
SMA 137

17' : 21108+3814
TDT2806

17' : 21117+3818
SMA 136

19' : 21125+3834
SEI1445

20' : 21095+3822
GUR 2

22' : 21105+3851
SEI1429

23' : 21126+3819
GUR 10

24' : 21091+3822
SEI1417

25' : 21126+3846
COU2136

26' : 21091+3844
S 779

26' : 21112+3855
ES 1991

27' : 21124+3810
COU1971AB

28' : 21129+3815
GUR 14

28' : 21123+3808
TDT2822

29' : 21110+3859
GUR 5

29' : 21103+3803
GUR 3

30' : 21097+3856
COU1967

30' : 21133+3835
SMA 140

32' : 21127+3807
GUR 12

32' : 21127+3806
GUR 11



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.

21109+3830 ES 254

 
 
21h 10m 57.08s +38° 30' 33.4" P.A. 325.00 sep 2.2 mag 10.46,10.59 Sp A1IV
 
 
Coord 2000 21109+3830 Discov num ES  254 Comp Coord arcsec 2000 21 10 57.08 +38 30 33.4
Date first 1905 Date last 2012 Obs 11
Pa first 330 Pa last 325 P.A. Now (θ) 325°
Sep first 2.4 Sep last 2.2 Sep. Now (ρ) 2.2"
Mag pri 10.46 Mag sec 10.59 delta mag (ΔM) 0.13 Spectral class A1IV (white)
Pri motion ra -001 Sec motion ra -001
Pri motion dec -002 Sec motion dec -002
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3169-01864-1 Gaia DR2 1868991135249771136
 
 
WDS 21109+3830 ES 254 : 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Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E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
21109+3830 ES 254 1999 10 326 2.2 10.46 10.59 A1IV 211057.08+383033.4
21109+3830 ES 254 2012 11 325 2.2 10.46 10.59 A1IV 211057.08+383033.4

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

 
 
WDS 21109+3830 ES 254 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21109+3830 ES 254 : MEASURES
 
 
No records found.

 
 
WDS 21109+3830 : VIRTUAL EYEPIECE
 
 

21109+3830 ES 254A mag 10.46 Sp A1IV 21109+3830 ES 254B sep 2.0 P.A. 331.30 mag 10.59 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 21109+3830 : ALADIN DSS IMAGE @ 21h 10m 57.08s +38° 30' 33.4"
 
 
 
 
WDS 21109+3830 ES 254 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21109+3830 ES 254 distance=0' 21111+3831 GUR 6 distance=3' 21111+3821 ES 207 distance=11' 21114+3840 GUR 8 distance=12' 21113+3841 GUR 7AB distance=12' 21113+3841 GUR 7AC distance=12' 21108+3818 ALI 682 distance=13' 21102+3844 SEI1426 distance=16' 21122+3828 SMA 137 distance=17' 21108+3814 TDT2806 distance=17' 21117+3818 SMA 136 distance=17' 21125+3834 SEI1445 distance=19' 21095+3822 GUR 2 distance=20' 21105+3851 SEI1429 distance=22' 21126+3819 GUR 10 distance=23' 21091+3822 SEI1417 distance=24' 21126+3846 COU2136 distance=25' 21091+3844 S 779 distance=26' 21112+3855 ES 1991 distance=26' 21124+3810 COU1971AB distance=27' 21124+3810 GUR 9AC distance=27' 21124+3810 GUR 9AD distance=27' 21124+3810 GUR 9AE distance=27' 21129+3815 GUR 14 distance=28' 21123+3808 TDT2822 distance=28' 21110+3859 GUR 5 distance=29' 21103+3803 GUR 3 distance=29' 21097+3856 COU1967 distance=30' 21133+3835 SMA 140 distance=30' 21127+3807 GUR 12 distance=32' 21127+3806 GUR 11 distance=32' 21137+3830 GUR 18 distance=33' 21130+3854 GUR 15 distance=34' 21110+3757 CRB 139 distance=34' 21083+3816 SEI1411 distance=34' 21139+3830 COU1817 distance=36' 21137+3815 GUR 17 distance=36' 21108+3906 GUR 4 distance=36' 21139+3838 GUR 19 distance=36' 21130+3858 ES 257 distance=37' 21078+3834 BRT2233 distance=37' 21138+3812 SMA 144 distance=39' 21133+3803 TOB 214 distance=39' 21094+3905 GUR 1 distance=39' 21075+3831 SEI1408 distance=41' 21140+3809 SEI1456 distance=42' 21128+3907 SEI1447 distance=43' 21128+3907 GUR 13Aa,Ab distance=43' 21140+3808 GUR 20 distance=43' 21132+3904 TDT2833AB distance=44' 21132+3904 GUR 16AC distance=44' 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 21109+3830 ES 254 325 2.2
Show 21111+3831 GUR 6 348 3.6 3
Show 21111+3821 ES 207 244 2.4 11
Show 21114+3840 GUR 8 8 10.4 12
Show 21113+3841 GUR 7 AB 77 10.3 12
Show 21113+3841 GUR 7 AC 242 7.2 12
Show 21108+3818 ALI 682 129 8.9 13
Show 21102+3844 SEI1426 20 17.6 16
Show 21122+3828 SMA 137 121 9.6 17
Show 21108+3814 TDT2806 259 0.4 17
Show 21117+3818 SMA 136 122 3.8 17
Show 21125+3834 SEI1445 23 27.9 19
Show 21095+3822 GUR 2 67 4.0 20
Show 21105+3851 SEI1429 351 25.1 22
Show 21126+3819 GUR 10 294 5.3 23
Show 21091+3822 SEI1417 140 31.3 24
Show 21126+3846 COU2136 293 0.4 25
Show 21091+3844 S 779 9 110.5 26
Show 21112+3855 ES 1991 25 2.6 26
Show 21124+3810 COU1971 AB 283 0.6 27
Show 21124+3810 GUR 9 AC 112 16.9 27
Show 21124+3810 GUR 9 AD 64 9.8 27
Show 21124+3810 GUR 9 AE 75 18.4 27
Show 21129+3815 GUR 14 204 7.8 28
Show 21123+3808 TDT2822 185 0.6 28
Show 21110+3859 GUR 5 2 0.2 29
Show 21103+3803 GUR 3 344 1.8 29
Show 21097+3856 COU1967 192 0.8 30
Show 21133+3835 SMA 140 127 17.2 30
Show 21127+3807 GUR 12 323 2.6 32
Show 21127+3806 GUR 11 39 0.4 32
Show 21137+3830 GUR 18 301 14.1 33
Show 21130+3854 GUR 15 64 4.8 34
Show 21110+3757 CRB 139 94 15.2 34
Show 21083+3816 SEI1411 4 5.1 34
Show 21139+3830 COU1817 110 0.6 36
Show 21137+3815 GUR 17 105 9.6 36
Show 21108+3906 GUR 4 106 5.2 36
Show 21139+3838 GUR 19 123 9.0 36
Show 21130+3858 ES 257 317 6.6 37
Show 21078+3834 BRT2233 38 3.9 37
Show 21138+3812 SMA 144 326 15.4 39
Show 21133+3803 TOB 214 212 23.4 39
Show 21094+3905 GUR 1 150 8.3 39
Show 21075+3831 SEI1408 54 9.3 41
Show 21140+3809 SEI1456 357 21.0 42
Show 21128+3907 SEI1447 151 13.3 43
Show 21128+3907 GUR 13 Aa,Ab 44 0.5 43
Show 21140+3808 GUR 20 17 1.6 43
Show 21132+3904 TDT2833 AB 88 0.6 44
Show 21132+3904 GUR 16 AC 285 11.8 44

 
 
WDS 21109+3830 : COMPONENTS
 
 
  A
B pa=331.3°
sep=2.05"
 
 
21109+3830 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 211057.08+383033.4 Mag 10.46 Spectral class A1IV (white)
PmRA -1.00 PmDE -2.0 Tycho2 3169-01864-1
Tycho2
Tycho2 3169-01864-1 Pflag P RAmdeg 317.73783968 DEmdeg 38.50927158
PmRA -0.8 PmDE -1.6 E RAmdeg 26 E DEmdeg 23
E pmRA 2.6 E pmDE 2.3 EpRAm 1990.35 EpDEm 1990.54
Num 4 Q RAmdeg 0.8 Q DEmdeg 1.2 Q pmRA 0.8
Q pmDE 1.3 BTmag 10.751 E BTmag 0.039 VTmag 10.455
E VTmag 0.039 Prox 21 TYC T HIP
CCDM RAdeg 317.73804694 DEdeg 38.50904000 EpRA 1990 1.60
EpDE 1990 1.78 E RAdeg 26.2 E DEdeg 22.9 Posflg D
Corr 0.1
 
 
21109+3830 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 211057.00+383035.2 Mag 10.59 PmRA -1.00
PmDE -2.0 Tycho2 3169-01864-2 Calc delta mag 0.13 Calc coord yes
Tycho2
Tycho2 3169-01864-2 Pflag P RAmdeg 317.73783968 DEmdeg 38.50927158
PmRA -0.8 PmDE -1.6 E RAmdeg 26 E DEmdeg 23
E pmRA 2.6 E pmDE 2.3 EpRAm 1990.35 EpDEm 1990.54
Num 4 Q RAmdeg 0.8 Q DEmdeg 1.2 Q pmRA 0.8
Q pmDE 1.3 BTmag 10.799 E BTmag 0.041 VTmag 10.592
E VTmag 0.046 Prox 21 TYC T HIP
CCDM RAdeg 317.73761750 DEdeg 38.50953333 EpRA 1990 1.59
EpDE 1990 1.78 E RAdeg 28.7 E DEdeg 24.8 Posflg D
Corr 0.1