20305+4434 ES 1442

 
 
20h 30m 27.93s +44° 33' 56.9" P.A. 265.00 sep 2.7 mag 10.29,14.00
 
 
Coord 2000 20305+4434 Discov num ES 1442 Comp Coord arcsec 2000 20 30 27.93 +44 33 56.9
Date first 1915 Date last 2015 Obs 2
Pa first 266 Pa last 264.8 P.A. Now (θ) 264.8°
Sep first 2.3 Sep last 2.726 Sep. Now (ρ) 2.726"
Mag pri 10.29 Mag sec 14.00 delta mag (ΔM) 3.71 Spectral class
Pri motion ra +005 Sec motion ra
Pri motion dec -002 Sec motion dec
Notes S (Parallax indidates non-physical)
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3165-00880-1 Gaia DR2 2070649779753566336
 
 
WDS 20305+4434 ES 1442 : 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Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E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
20305+4434 ES 1442 1915 1 266 2.3 10.29 14.00 203027.93+443356.9
20305+4434 ES 1442 2015 2 265 2.7 10.29 14.00 S 203027.93+443356.9

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

 
 
WDS 20305+4434 ES 1442 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20305+4434 ES 1442 : MEASURES
 
 
No records found.

 
 
WDS 20305+4434 : VIRTUAL EYEPIECE
 
 

20305+4434 ES 1442A mag 10.29 20305+4434 ES 1442B sep 1.9 P.A. 262.70 mag 14 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 20305+4434 : ALADIN DSS IMAGE @ 20h 30m 27.93s +44° 33' 56.9"
 
 
 
 
WDS 20305+4434 ES 1442 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


20305+4434  ES 1442 distance=0' 20303+4439  ES 1441 distance=6' 20295+4437  TDT2320 distance=12' 20328+4418  COU2645 distance=30' 20314+4403  ES 1443 distance=33' 20303+4401  TDT2326 distance=34' 20282+4458  ES  661 distance=35' 20272+4437  BRT2264 distance=36' 20293+4508  RAO 434 distance=37' 20295+4516  ES  662 distance=43' 20281+4509  TDS1075 distance=44' 20277+4507  ROE  43AB distance=44' 20277+4507  ROE  43AC distance=44' 20277+4507  ROE  43AD distance=44' 20277+4507  ROE  43AE distance=44' 20277+4507  ROE  43AF distance=44' 20277+4507  ROE  43AG distance=44' 20277+4507  BKO 154AH distance=44' 20277+4507  BKO 154AI distance=44' 20277+4507  BKO 154CJ distance=45' 20277+4507  BKO 154EK distance=46' 20322+4351  TDT2344 distance=47' 20302+4343  AG  407 distance=51' 20340+4352  TDT2377 distance=57' 20267+4353  FYM 258AB distance=58' 20267+4353  FYM 258AC distance=58' 20267+4353  FYM 258AD distance=58' 20266+4350  TDT2273 distance=61' 20343+4520  ES  804AB distance=62' 20343+4520  ES  804BC distance=62' 20264+4520  KPP 472 distance=63' 20253+4355  A   291AB distance=68' 20253+4355  A   291AC distance=68' 20317+4540  HJ 1533 distance=69' 20291+4544  BU 1135 distance=72' 20237+4442  ES 1330 distance=73' 20348+4531  ES  805 distance=73' 20240+4457  ES 1331 distance=73' 20270+4539  HJ 1518 distance=75' 20373+4417  TDT2429 distance=75' 20338+4540  A   740 distance=75' 20348+4334  ES 1444AB distance=76' 20348+4334  ES 1444AC distance=76' 20258+4533  TDT2263 distance=77' 20342+4327  A   396AB distance=79' 20342+4327  A   396AC distance=79' 20342+4327  A   396AD distance=79' 20246+4529  HJ 1514 distance=82' 20376+4504  HJ 1555 distance=82' 20300+4556  LSC  91 distance=82' 20231+4405  TDT2227 distance=85' 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 20305+4434 ES 1442 265 2.7
Show 20303+4439 ES 1441 127 2.0 6
Show 20295+4437 TDT2320 223 0.7 12
Show 20328+4418 COU2645 290 0.1 30
Show 20314+4403 ES 1443 304 2.5 33
Show 20303+4401 TDT2326 100 0.7 34
Show 20282+4458 ES 661 156 6.9 35
Show 20272+4437 BRT2264 4 3.0 36
Show 20293+4508 RAO 434 162 1.2 37
Show 20295+4516 ES 662 142 5.7 43
Show 20281+4509 TDS1075 358 1.4 44
Show 20277+4507 ROE 43 AB 317 17.4 44
Show 20277+4507 ROE 43 AC 312 52.6 44
Show 20277+4507 ROE 43 AD 271 42.4 44
Show 20277+4507 ROE 43 AE 282 82.9 44
Show 20277+4507 ROE 43 AF 336 87.1 44
Show 20277+4507 ROE 43 AG 282 102.4 44
Show 20277+4507 BKO 154 AH 224 18.4 44
Show 20277+4507 BKO 154 AI 63 24.2 44
Show 20277+4507 BKO 154 CJ 331 17.9 45
Show 20277+4507 BKO 154 EK 109 4.7 46
Show 20322+4351 TDT2344 338 0.8 47
Show 20302+4343 AG 407 231 7.0 51
Show 20340+4352 TDT2377 210 0.5 57
Show 20267+4353 FYM 258 AB 345 17.2 58
Show 20267+4353 FYM 258 AC 244 37.4 58
Show 20267+4353 FYM 258 AD 100 24.8 58
Show 20266+4350 TDT2273 211 0.5 61
Show 20343+4520 ES 804 AB 117 30.8 62
Show 20343+4520 ES 804 BC 128 2.2 62
Show 20264+4520 KPP 472 88 4.6 63
Show 20253+4355 A 291 AB 148 0.8 68
Show 20253+4355 A 291 AC 284 18.1 68
Show 20317+4540 HJ 1533 187 10.9 69
Show 20291+4544 BU 1135 335 1.5 72
Show 20237+4442 ES 1330 309 3.6 73
Show 20348+4531 ES 805 152 7.9 73
Show 20240+4457 ES 1331 78 1.3 73
Show 20270+4539 HJ 1518 86 15.3 75
Show 20373+4417 TDT2429 84 0.5 75
Show 20338+4540 A 740 313 0.8 75
Show 20348+4334 ES 1444 AB 80 4.9 76
Show 20348+4334 ES 1444 AC 95 15.2 76
Show 20258+4533 TDT2263 330 1.4 77
Show 20342+4327 A 396 AB 140 1.7 79
Show 20342+4327 A 396 AC 115 34.2 79
Show 20342+4327 A 396 AD 219 33.4 79
Show 20246+4529 HJ 1514 215 11.3 82
Show 20376+4504 HJ 1555 354 13.8 82
Show 20300+4556 LSC 91 19 0.3 82
Show 20231+4405 TDT2227 172 0.5 85

 
 
WDS 20305+4434 : COMPONENTS
 
 
  A
B pa=262.7°
sep=1.95"
 
 
20305+4434 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 203027.93+443356.9 Mag 10.29 PmRA 5.00
PmDE -2.0 Tycho2 3165-00880-1
Tycho2
Tycho2 3165-00880-1 Pflag RAmdeg 307.61639420 DEmdeg 44.56582278
PmRA 5.2 PmDE -1.8 E RAmdeg 21 E DEmdeg 21
E pmRA 1.4 E pmDE 1.4 EpRAm 1988.76 EpDEm 1988.89
Num 4 Q RAmdeg 1.6 Q DEmdeg 0.9 Q pmRA 1.6
Q pmDE 0.9 BTmag 10.620 E BTmag 0.038 VTmag 10.291
E VTmag 0.036 Prox 940 TYC T HIP
CCDM RAdeg 307.61638278 DEdeg 44.56582750 EpRA 1990 1.70
EpDE 1990 1.61 E RAdeg 22.0 E DEdeg 22.1 Posflg
Corr 0.0
 
 
20305+4434 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 203027.75+443356.7 Mag 14 Calc delta mag 3.71
Calc coord yes