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Doubles in session


Current system
20049+3334
ES 2350 BC


Nearby doubles
11' : 20053+3343
SEI 844

11' : 20057+3329
ES 2351

14' : 20039+3329
TDT1945

17' : 20037+3327
TDT1942

17' : 20062+3328
ES 2373AB

20' : 20039+3349
SEI 833

24' : 20068+3329
ES 2352AB

24' : 20031+3343
SEI 818

25' : 20048+3359
SEI 841

28' : 20031+3350
SEI 819

28' : 20027+3340
HO 118AB

28' : 20053+3307
COU1806

29' : 20040+3309
SEI 832

31' : 20027+3349
SEI 815AB

31' : 20032+3357
SEI 821

31' : 20025+3341
HO 117AB

33' : 20056+3303
TOI1193

34' : 20026+3352
BKO 521AB

35' : 20033+3403
SEI 822

35' : 20022+3332
SEI 801

35' : 20027+3355
BKO 522AB

35' : 20024+3320
SEI 803

37' : 20023+3354
SEI 804

38' : 20065+3302
GYL 23

41' : 20081+3329
TDT2010

41' : 20057+3255
TDT1968



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.

20049+3334 ES 2350 BC

 
 
20h 04m 54.08s +33° 34' 07.9" P.A. 241.00 sep 4.4 mag 12.46,13.50
 
 
Coord 2000 20049+3334 Discov num ES 2350 Comp BC Coord arcsec 2000 20 04 54.08 +33 34 07.9
Date first 1929 Date last 1929 Obs 1
Pa first 241 Pa last 240.7 P.A. Now (θ) 240.7°
Sep first 4.4 Sep last 4.41 Sep. Now (ρ) 4.41"
Mag pri 12.46 Mag sec 13.50 delta mag (ΔM) 1.04 Spectral class
Pri motion ra +010 Sec motion ra
Pri motion dec -002 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20049+3334 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 227500 20 04 54 +33 34 08 ES 2350 AB 2016 5 224 2.4 10.07 12.46 2.39
Show 20 04 54 +33 34 08 ES 2350 BC 1929 1 241 4.4 12.46 13.50 1.04 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2674-05756-1 Gaia DR2 2058201899380631168 HD 227500
 
 
WDS 20049+3334 ES 2350 BC : 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
20049+3334 ES 2350 BC 1929 1 241 4.4 12.46 13.50 200454.08+333407.9
20049+3334 ES 2350 BC 1991 2 229 2.1 10.07 12.46 200454.08+333407.9

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

 
 
WDS 20049+3334 ES 2350 BC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20049+3334 ES 2350 BC : MEASURES
 
 
No records found.

 
 
WDS 20049+3334 : VIRTUAL EYEPIECE
 
 

20049+3334 ES 2350A mag 10.07 Sp A2 20049+3334 ES 2350B mag 12.46 20049+3334 ES 2350C sep 3.9 P.A. 236.00 mag 13.5 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 20049+3334 : ALADIN DSS IMAGE @ 20h 04m 54.08s +33° 34' 07.9"
 
 
 
 
WDS 20049+3334 ES 2350 BC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20049+3334 ES 2350BC distance=0' 20053+3343 SEI 844 distance=11' 20057+3329 ES 2351 distance=11' 20039+3329 TDT1945 distance=14' 20037+3327 TDT1942 distance=17' 20062+3328 ES 2373AB distance=17' 20062+3328 ES 2373AC distance=17' 20039+3349 SEI 833 distance=20' 20068+3329 ES 2352AB distance=24' 20031+3343 SEI 818 distance=24' 20048+3359 SEI 841 distance=25' 20068+3329 ES 2352BC distance=25' 20031+3350 SEI 819 distance=28' 20027+3340 HO 118AB distance=28' 20027+3340 DAM 7AC distance=28' 20053+3307 COU1806 distance=28' 20040+3309 SEI 832 distance=29' 20027+3340 WAK 13CD distance=29' 20027+3349 SEI 815AB distance=31' 20027+3349 SEI 816AC distance=31' 20027+3349 BKO 523AD distance=31' 20032+3357 SEI 821 distance=31' 20025+3341 HO 117AB distance=31' 20025+3341 BKO 520AC distance=31' 20056+3303 TOI1193 distance=33' 20026+3352 BKO 521BC distance=34' 20026+3352 BKO 521AB distance=34' 20033+3403 SEI 822 distance=35' 20027+3355 BKO 522DE distance=35' 20022+3332 SEI 801 distance=35' 20027+3355 BKO 522AB distance=35' 20027+3355 BKO 522AD distance=35' 20024+3320 SEI 803 distance=35' 20027+3355 BKO 522BC distance=35' 20023+3354 SEI 804 distance=37' 20065+3302 GYL 23 distance=38' 20081+3329 TDT2010 distance=41' 20057+3255 TDT1968 distance=41' 20021+3308 SEI 797 distance=45' 20061+3417 GYL 88 distance=46' 20083+3318 LDT 17 distance=46' 20041+3419 SEI 834 distance=46' 20013+3346 SEI 789 distance=47' 20016+3358 SEI 794 distance=48' 20030+3416 BKO 524 distance=49' 20059+3247 COU1807 distance=49' 20034+3420 SEI 823 distance=49' 20010+3346 SEI 785 distance=50' 20019+3303 HO 586 distance=50' 20008+3337 SEI 784 distance=51' 20032+3421 SEI 820 distance=51' 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 20049+3334 ES 2350 AB 224 2.4
Show 20049+3334 ES 2350 BC 241 4.4
Show 20053+3343 SEI 844 6 22.5 11
Show 20057+3329 ES 2351 276 5.0 11
Show 20039+3329 TDT1945 114 1.3 14
Show 20037+3327 TDT1942 11 0.8 17
Show 20062+3328 ES 2373 AB 104 6.1 17
Show 20062+3328 ES 2373 AC 53 12.6 17
Show 20039+3349 SEI 833 146 6.0 20
Show 20068+3329 ES 2352 AB 52 32.4 24
Show 20031+3343 SEI 818 207 15.1 24
Show 20048+3359 SEI 841 307 26.7 25
Show 20068+3329 ES 2352 BC 248 4.3 25
Show 20031+3350 SEI 819 148 22.1 28
Show 20027+3340 HO 118 AB 28 3.0 28
Show 20027+3340 DAM 7 AC 308 60.7 28
Show 20053+3307 COU1806 287 1.2 28
Show 20040+3309 SEI 832 219 22.2 29
Show 20027+3340 WAK 13 CD 6 2.9 29
Show 20027+3349 SEI 815 AB 358 19.4 31
Show 20027+3349 SEI 816 AC 113 20.6 31
Show 20027+3349 BKO 523 AD 341 5.0 31
Show 20032+3357 SEI 821 93 29.2 31
Show 20025+3341 HO 117 AB 314 5.2 31
Show 20025+3341 BKO 520 AC 24 6.5 31
Show 20056+3303 TOI1193 255 0.1 33
Show 20026+3352 BKO 521 BC 57 5.1 34
Show 20026+3352 BKO 521 AB 34 10.5 34
Show 20033+3403 SEI 822 212 24.3 35
Show 20027+3355 BKO 522 DE 154 4.4 35
Show 20022+3332 SEI 801 107 7.9 35
Show 20027+3355 BKO 522 AB 340 6.8 35
Show 20027+3355 BKO 522 AD 199 10.6 35
Show 20024+3320 SEI 803 272 22.6 35
Show 20027+3355 BKO 522 BC 15 1.9 35
Show 20023+3354 SEI 804 270 27.4 37
Show 20065+3302 GYL 23 180 13.3 38
Show 20081+3329 TDT2010 55 0.9 41
Show 20057+3255 TDT1968 244 0.6 41
Show 20021+3308 SEI 797 86 25.7 45
Show 20061+3417 GYL 88 152 9.9 46
Show 20083+3318 LDT 17 238 0.4 46
Show 20041+3419 SEI 834 135 21.9 46
Show 20013+3346 SEI 789 347 16.9 47
Show 20016+3358 SEI 794 193 3.8 48
Show 20030+3416 BKO 524 62 13.9 49
Show 20059+3247 COU1807 299 0.2 49
Show 20034+3420 SEI 823 232 17.2 49
Show 20010+3346 SEI 785 137 29.2 50
Show 20019+3303 HO 586 172 6.8 50
Show 20008+3337 SEI 784 159 23.5 51

 
 
WDS 20049+3334 : COMPONENTS
 
 
  A B
B pa=0.0°
sep=0.00"
 
C pa=236.0°
sep=3.86"
pa=236.0°
sep=3.86"
 
 
20049+3334 A
 
 
Name HD 227500 Coord arcsec 2000 200454.08+333407.9 Mag 10.07 Spectral class A2 (white)
PmRA 5.00 PmDE -4.0 Tycho2 2674-05756-1 HD 227500
Tycho2
Tycho2 2674-05756-1 Pflag RAmdeg 301.22534607 DEmdeg 33.56888222
PmRA 4.7 PmDE -4.2 E RAmdeg 18 E DEmdeg 16
E pmRA 1.4 E pmDE 1.4 EpRAm 1988.80 EpDEm 1989.15
Num 7 Q RAmdeg 1.7 Q DEmdeg 2.1 Q pmRA 1.6
Q pmDE 2.0 BTmag 10.267 E BTmag 0.028 VTmag 10.101
E VTmag 0.031 Prox 999 TYC T HIP
CCDM RAdeg 301.22533611 DEdeg 33.56889750 EpRA 1990 1.50
EpDE 1990 1.59 E RAdeg 18.8 E DEdeg 17.4 Posflg
Corr 0.1
 
 
20049+3334 B
 
 
Coord arcsec 2000 200454.08+333407.9 Coord calc 200454.08+333407.9 Mag 12.46 PmRA 10.00
PmDE -2.0 Calc delta mag 2.39
 
 
20049+3334 C
 
 
Coord arcsec 2000 200453.82+333405.7 Mag 13.5 Calc delta mag 3.43 Calc coord yes