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Doubles in session


Current system
21539+4256
ES 1461


Nearby doubles
10' : 21541+4307
POP 184

17' : 21548+4310
TDT3234

24' : 21556+4241
KPP4258

27' : 21521+4313
TDT3204

29' : 21532+4324
GRV 517

32' : 21552+4229
TDT3241

39' : 21525+4332
TDT3212

44' : 21519+4221
HO 172AB

44' : 21531+4339
TDT3215

55' : 21490+4254
TDT3172

56' : 21491+4242
ARG 95

58' : 21511+4209
COU1822AB

58' : 21490+4316
BRT1152

61' : 21492+4326
PKO 17

61' : 21490+4323
PKO 16

61' : 21489+4321
TDT3171

61' : 21594+4310
KPP4260

64' : 21583+4216
TDT3265

67' : 21545+4403
A 620

68' : 21550+4404
BRT1153

68' : 21545+4405
TDT3229

72' : 21577+4356
J 3155AB

72' : 21502+4356
TDS1148

73' : 21474+4256
A 405

74' : 21533+4144
J 3152

76' : 21593+4211
BRT1156



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.

21539+4256 ES 1461

 
 
21h 53m 57.76s +42° 57' 01.2" P.A. 352.00 sep 6.1 mag 10.40,14.40
 
 
Coord 2000 21539+4256 Discov num ES 1461 Comp Coord arcsec 2000 21 53 57.76 +42 57 01.2
Date first 1915 Date last 2015 Obs 7
Pa first 355 Pa last 352.3 P.A. Now (θ) 352.3°
Sep first 5.9 Sep last 6.133 Sep. Now (ρ) 6.133"
Mag pri 10.40 Mag sec 14.40 delta mag (ΔM) 4 Spectral class
Pri motion ra -001 Sec motion ra
Pri motion dec -005 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3193-00355-1 Gaia DR2 1961055511577873408 ADS 15429
 
 
WDS 21539+4256 ES 1461 : 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Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E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
21539+4256 ES 1461 1999 2 352 6.2 10.40 14.40 D 215357.76+425701.2
21539+4256 ES 1461 2002 3 352 6.1 10.40 14.40 D 215357.76+425701.2
21539+4256 ES 1461 2010 4 351 5.2 10.40 14.40 215357.76+425701.2
21539+4256 ES 1461 2015 4 352 6.1 10.40 14.40 215357.76+425701.2

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

 
 
WDS 21539+4256 ES 1461 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21539+4256 ES 1461 : MEASURES
 
 
No records found.

 
 
WDS 21539+4256 : VIRTUAL EYEPIECE
 
 

21539+4256 ES 1461A mag 10.4 21539+4256 ES 1461B sep 6.1 P.A. 354.30 mag 14.4 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 21539+4256 : ALADIN DSS IMAGE @ 21h 53m 57.76s +42° 57' 01.2"
 
 
 
 
WDS 21539+4256 ES 1461 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21539+4256 ES 1461 distance=0' 21541+4307 POP 184 distance=10' 21548+4310 TDT3234 distance=17' 21556+4241 KPP4258 distance=24' 21521+4313 TDT3204 distance=27' 21532+4324 GRV 517 distance=29' 21552+4229 TDT3241 distance=32' 21525+4332 TDT3212 distance=39' 21519+4221 JOD 22BF distance=43' 21519+4221 HO 172AB distance=44' 21519+4221 HO 172AC distance=44' 21519+4221 HO 172AD distance=44' 21519+4221 FYM 113AE distance=44' 21531+4339 TDT3215 distance=44' 21490+4254 TDT3172 distance=55' 21491+4242 ARG 95 distance=56' 21511+4209 COU1822AB distance=58' 21490+4316 BRT1152 distance=58' 21492+4326 PKO 17 distance=61' 21490+4323 PKO 16 distance=61' 21489+4321 TDT3171 distance=61' 21594+4310 KPP4260 distance=61' 21583+4216 TDT3265 distance=64' 21545+4403 A 620 distance=67' 21550+4404 BRT1153 distance=68' 21545+4405 TDT3229 distance=68' 21577+4356 J 3155AB distance=72' 21577+4356 J 3155AC distance=72' 21577+4356 BTG 9AD distance=72' 21577+4356 MAY9004AE distance=72' 21502+4356 TDS1148 distance=72' 21474+4256 A 405 distance=73' 21533+4144 J 3152 distance=74' 21593+4211 BRT1156 distance=76' 21532+4141 DAM 241 distance=77' 21489+4349 TDT3170 distance=77' 21553+4413 BRT1154AB distance=78' 21553+4413 WSI 34AC distance=78' 21590+4357 TDT3274 distance=81' 21478+4212 TDT3158 distance=83' 21592+4158 A 406BC distance=83' 21487+4357 GRV 509 distance=84' 21592+4158 A 406AB distance=84' 21592+4158 A 406AD distance=84' 21462+4239 ES 1460AB distance=86' 21462+4239 ES 1460AC distance=86' 21462+4254 COU1979 distance=86' 22009+4338 HO 175AB distance=87' 22009+4338 HO 175AC distance=87' 22018+4259 TDT3297 distance=87' 21509+4419 HJ 1700 distance=89' 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 21539+4256 ES 1461 352 6.1
Show 21541+4307 POP 184 241 11.6 10
Show 21548+4310 TDT3234 343 2.0 17
Show 21556+4241 KPP4258 257 28.6 24
Show 21521+4313 TDT3204 30 0.9 27
Show 21532+4324 GRV 517 212 45.9 29
Show 21552+4229 TDT3241 308 0.7 32
Show 21525+4332 TDT3212 39 1.7 39
Show 21519+4221 JOD 22 BF 48 2.1 43
Show 21519+4221 HO 172 AB 82 10.7 44
Show 21519+4221 HO 172 AC 40 89.7 44
Show 21519+4221 HO 172 AD 61 480.9 44
Show 21519+4221 FYM 113 AE 20 64.4 44
Show 21531+4339 TDT3215 110 0.8 44
Show 21490+4254 TDT3172 164 0.4 55
Show 21491+4242 ARG 95 338 23.1 56
Show 21511+4209 COU1822 AB 19 0.2 58
Show 21490+4316 BRT1152 231 6.7 58
Show 21492+4326 PKO 17 149 13.6 61
Show 21490+4323 PKO 16 96 5.9 61
Show 21489+4321 TDT3171 286 0.5 61
Show 21594+4310 KPP4260 80 1.6 61
Show 21583+4216 TDT3265 147 0.4 64
Show 21545+4403 A 620 285 0.4 67
Show 21550+4404 BRT1153 66 4.8 68
Show 21545+4405 TDT3229 324 0.5 68
Show 21577+4356 J 3155 AB 131 5.8 72
Show 21577+4356 J 3155 AC 348 9.9 72
Show 21577+4356 BTG 9 AD 86 38.1 72
Show 21577+4356 MAY9004 AE 284 8.5 72
Show 21502+4356 TDS1148 97 1.1 72
Show 21474+4256 A 405 277 1.9 73
Show 21533+4144 J 3152 238 4.6 74
Show 21593+4211 BRT1156 103 3.6 76
Show 21532+4141 DAM 241 311 8.0 77
Show 21489+4349 TDT3170 94 1.4 77
Show 21553+4413 BRT1154 AB 292 5.3 78
Show 21553+4413 WSI 34 AC 346 9.1 78
Show 21590+4357 TDT3274 127 0.7 81
Show 21478+4212 TDT3158 230 2.7 83
Show 21592+4158 A 406 BC 299 1.8 83
Show 21487+4357 GRV 509 177 56.4 84
Show 21592+4158 A 406 AB 4 33.8 84
Show 21592+4158 A 406 AD 116 22.6 84
Show 21462+4239 ES 1460 AB 8 1.8 86
Show 21462+4239 ES 1460 AC 238 20.3 86
Show 21462+4254 COU1979 261 0.4 86
Show 22009+4338 HO 175 AB 323 0.8 87
Show 22009+4338 HO 175 AC 285 33.7 87
Show 22018+4259 TDT3297 31 0.7 87
Show 21509+4419 HJ 1700 197 9.7 89

 
 
WDS 21539+4256 : COMPONENTS
 
 
  A
B pa=354.3°
sep=6.11"
 
 
21539+4256 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 215357.76+425701.2 Mag 10.4 PmRA -1.00
PmDE -5.0 Tycho2 3193-00355-1 ADS 15429 DM BD+42 4242
Tycho2
Tycho2 3193-00355-1 Pflag RAmdeg 328.49069791 DEmdeg 42.95034341
PmRA 0.5 PmDE -3.9 E RAmdeg 20 E DEmdeg 18
E pmRA 1.2 E pmDE 1.2 EpRAm 1988.04 EpDEm 1988.62
Num 5 Q RAmdeg 0.7 Q DEmdeg 2.2 Q pmRA 0.7
Q pmDE 2.2 BTmag 10.555 E BTmag 0.031 VTmag 10.401
E VTmag 0.035 Prox 999 TYC T HIP
CCDM RAdeg 328.49069778 DEdeg 42.95034806 EpRA 1990 1.66
EpDE 1990 1.74 E RAdeg 20.7 E DEdeg 18.9 Posflg
Corr 0.1
 
 
21539+4256 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 215357.71+425707.3 Mag 14.4 Calc delta mag 4
Calc coord yes