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Doubles in session


Current system
21098+3143
ES 2440


Nearby doubles
10' : 21102+3151
SEI1423

15' : 21093+3131
COU1333

19' : 21086+3135
J 2337

24' : 21086+3201
KPP 830

32' : 21079+3123
GRV 421

34' : 21104+3215
SEI1425AB

36' : 21080+3116
LDS2940

36' : 21112+3214
SEI1433

38' : 21118+3211
SEI1438

41' : 21078+3214
TDT2773

43' : 21119+3216
SEI1440

43' : 21099+3100
HJ 1616AB

44' : 21088+3102
ES 375

47' : 21128+3210
TDT2827

48' : 21132+3202
J 3127AB

49' : 21125+3217
SEI1443

50' : 21068+3215
WFC 259

50' : 21091+3232
UC 257

51' : 21069+3218
TDT2761

52' : 21068+3222
ES 2439

61' : 21052+3127
GRV 412

61' : 21057+3215
KU 130

61' : 21065+3227
STF2759

62' : 21132+3228
SEI1451

63' : 21133+3100
BRT 286

64' : 21146+3157
GRV 437



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.

21098+3143 ES 2440

 
 
21h 09m 47.08s +31° 43' 29.3" P.A. 202.00 sep 5.0 mag 10.89,11.90
 
 
Coord 2000 21098+3143 Discov num ES 2440 Comp Coord arcsec 2000 21 09 47.08 +31 43 29.3
Date first 1930 Date last 1930 Obs 1
Pa first 202 Pa last 202.4 P.A. Now (θ) 202.4°
Sep first 5.0 Sep last 5 Sep. Now (ρ) 5"
Mag pri 10.89 Mag sec 11.90 delta mag (ΔM) 1.01 Spectral class
Pri motion ra +005 Sec motion ra
Pri motion dec -057 Sec motion dec
Notes X (Dubious double)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2702-00126-1 Gaia DR2 1853067011422948736
 
 
WDS 21098+3143 ES 2440 : 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Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E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
21098+3143 ES 2440 1930 1 202 5.0 10.89 11.90 210947.08+314329.3

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

 
 
WDS 21098+3143 ES 2440 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21098+3143 ES 2440 : MEASURES
 
 
No records found.

 
 
WDS 21098+3143 : VIRTUAL EYEPIECE
 
 

21098+3143 ES 2440A mag 10.89 21098+3143 ES 2440B sep 4.9 P.A. 199.30 mag 11.9 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 21098+3143 : ALADIN DSS IMAGE @ 21h 09m 47.08s +31° 43' 29.3"
 
 
 
 
WDS 21098+3143 ES 2440 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21098+3143 ES 2440 distance=0' 21102+3151 SEI1423 distance=10' 21093+3131 COU1333 distance=15' 21086+3135 J 2337 distance=19' 21086+3201 KPP 830 distance=24' 21079+3123 GRV 421 distance=32' 21104+3215 SEI1425AB distance=34' 21104+3215 TOB 212AC distance=34' 21080+3116 LDS2940 distance=36' 21112+3214 SEI1433 distance=36' 21118+3211 SEI1438 distance=38' 21078+3214 TDT2773 distance=41' 21119+3216 SEI1440 distance=43' 21099+3100 HJ 1616AB distance=43' 21099+3100 GRV 431AC distance=43' 21088+3102 ES 375 distance=44' 21128+3210 TDT2827 distance=47' 21132+3202 J 3127AB distance=48' 21132+3202 J 3127AC distance=48' 21125+3217 SEI1443 distance=49' 21068+3215 WFC 259 distance=50' 21091+3232 UC 257 distance=50' 21069+3218 TDT2761 distance=51' 21068+3222 ES 2439 distance=52' 21052+3127 GRV 412 distance=61' 21057+3215 KU 130 distance=61' 21065+3227 STF2759 distance=61' 21132+3228 SEI1451 distance=62' 21133+3100 BRT 286 distance=63' 21146+3157 GRV 437 distance=64' 21073+3048 TDT2766 distance=64' 21138+3225 DAM1261 distance=67' 21059+3232 GYL 48 distance=69' 21117+3038 J 1235 distance=70' 21057+3232 TDT2740 distance=71' 21148+3216 SEI1463 distance=71' 21058+3235 TDT2742 distance=73' 21074+3038 TDT2767 distance=73' 21142+3058 COU 834 distance=73' 21046+3116 J 2336 distance=73' 21047+3109 DAM 226 distance=73' 21115+3033 ALD 5 distance=75' 21120+3252 TDT2819 distance=75' 21111+3256 TDT2809 distance=75' 21050+3109 J 3124 distance=77' 21077+3255 COU1330 distance=77' 21103+3027 TDT2801 distance=77' 21101+3027 KPP4225 distance=78' 21131+3249 SEI1446 distance=78' 21133+3248 KPP2620 distance=79' 21158+3159 TDT2868 distance=79' 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 21098+3143 ES 2440 202 5.0
Show 21102+3151 SEI1423 226 13.5 10
Show 21093+3131 COU1333 258 0.6 15
Show 21086+3135 J 2337 349 6.2 19
Show 21086+3201 KPP 830 310 7.1 24
Show 21079+3123 GRV 421 185 14.6 32
Show 21104+3215 SEI1425 AB 34 21.4 34
Show 21104+3215 TOB 212 AC 79 24.2 34
Show 21080+3116 LDS2940 222 7.6 36
Show 21112+3214 SEI1433 297 9.6 36
Show 21118+3211 SEI1438 93 22.5 38
Show 21078+3214 TDT2773 212 3.3 41
Show 21119+3216 SEI1440 110 17.0 43
Show 21099+3100 HJ 1616 AB 315 10.3 43
Show 21099+3100 GRV 431 AC 16 22.5 43
Show 21088+3102 ES 375 42 4.5 44
Show 21128+3210 TDT2827 297 2.5 47
Show 21132+3202 J 3127 AB 159 1.6 48
Show 21132+3202 J 3127 AC 194 12.3 48
Show 21125+3217 SEI1443 139 25.6 49
Show 21068+3215 WFC 259 118 10.8 50
Show 21091+3232 UC 257 38 9.6 50
Show 21069+3218 TDT2761 236 0.4 51
Show 21068+3222 ES 2439 164 4.3 52
Show 21052+3127 GRV 412 265 42.4 61
Show 21057+3215 KU 130 57 19.4 61
Show 21065+3227 STF2759 334 19.0 61
Show 21132+3228 SEI1451 250 27.7 62
Show 21133+3100 BRT 286 250 6.6 63
Show 21146+3157 GRV 437 204 51.6 64
Show 21073+3048 TDT2766 193 1.9 64
Show 21138+3225 DAM1261 339 19.4 67
Show 21059+3232 GYL 48 180 32.3 69
Show 21117+3038 J 1235 184 2.8 70
Show 21057+3232 TDT2740 305 0.4 71
Show 21148+3216 SEI1463 127 26.6 71
Show 21058+3235 TDT2742 186 0.5 73
Show 21074+3038 TDT2767 173 10.5 73
Show 21142+3058 COU 834 77 7.9 73
Show 21046+3116 J 2336 40 9.1 73
Show 21047+3109 DAM 226 16 4.3 73
Show 21115+3033 ALD 5 153 3.7 75
Show 21120+3252 TDT2819 235 2.5 75
Show 21111+3256 TDT2809 52 1.9 75
Show 21050+3109 J 3124 208 4.5 77
Show 21077+3255 COU1330 222 0.4 77
Show 21103+3027 TDT2801 237 0.9 77
Show 21101+3027 KPP4225 236 2.2 78
Show 21131+3249 SEI1446 155 8.7 78
Show 21133+3248 KPP2620 346 24.1 79
Show 21158+3159 TDT2868 185 2.0 79

 
 
WDS 21098+3143 : COMPONENTS
 
 
  A
B pa=199.3°
sep=4.90"
 
 
21098+3143 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 210947.08+314329.3 Mag 10.89 PmRA 5.00
PmDE -57.0 Tycho2 2702-00126-1
Tycho2
Tycho2 2702-00126-1 Pflag RAmdeg 317.44615315 DEmdeg 31.72481447
PmRA 4.5 PmDE -57.2 E RAmdeg 30 E DEmdeg 28
E pmRA 2.5 E pmDE 2.4 EpRAm 1985.84 EpDEm 1986.44
Num 4 Q RAmdeg 2.9 Q DEmdeg 5.1 Q pmRA 2.8
Q pmDE 5.0 BTmag 11.827 E BTmag 0.070 VTmag 10.892
E VTmag 0.054 Prox 999 TYC T HIP
CCDM RAdeg 317.44617250 DEdeg 31.72498750 EpRA 1990 1.50
EpDE 1990 1.61 E RAdeg 40.6 E DEdeg 36.6 Posflg
Corr 0.0
 
 
21098+3143 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 210946.95+314324.7 Mag 11.9 Calc delta mag 1.01
Calc coord yes