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Doubles in session


Current system
20177+3518
ES 2302
HD 228775


Nearby doubles
18' : 20188+3507
A 286AB

23' : 20163+3532
ES 2249

28' : 20198+3509
COU2217

30' : 20199+3506
TDT2174

33' : 20155+3536
SEI1045

35' : 20190+3550
POP 128

38' : 20207+3512
COU2218

38' : 20146+3522
SEI1040

39' : 20150+3500
ES 205

39' : 20158+3447
SEI1047

41' : 20210+3525
POP 129AB

41' : 20153+3546
SEI1044

41' : 20144+3524
ES 244AB

43' : 20144+3556
SEI1035

43' : 20142+3522
ES 204

45' : 20144+3501
COU2216

45' : 20168+3435
TDT2137

47' : 20212+3537
ES 28

51' : 20218+3525
TDT2205

53' : 20135+3526
COU2214AB

54' : 20139+3545
COU2215

55' : 20180+3613
SEI1073

57' : 20133+3502
ARY 23AB

59' : 20137+3551
TDT2105

59' : 20173+3420
SEI1064

61' : 20135+3551
SEI1018



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.

20177+3518 ES 2302 (HD 228775)

 
 
20h 17m 43.37s +35° 18' 38.3" P.A. 341.00 sep 3.4 mag 10.11,12.30 Sp G5
 
 
Coord 2000 20177+3518 Discov num ES 2302 Comp Coord arcsec 2000 20 17 43.37 +35 18 38.3
Date first 1927 Date last 2015 Obs 4
Pa first 351 Pa last 341.2 P.A. Now (θ) 341.2°
Sep first 3.3 Sep last 3.378 Sep. Now (ρ) 3.378"
Mag pri 10.11 Mag sec 12.30 delta mag (ΔM) 2.19 Spectral class G5 (yellow)
Pri motion ra +038 Sec motion ra
Pri motion dec +028 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 228775 Constellation Cygnus Tycho2 2680-00452-1 Gaia DR2 2057321087487448320
HD 228775
 
 
WDS 20177+3518 ES 2302 (HD 228775) : 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Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E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
20177+3518 ES 2302 1988 2 345 3.6 10.11 12.30 201743.37+351838.3
20177+3518 ES 2302 2011 3 341 3.5 10.11 12.30 201743.37+351838.3
20177+3518 ES 2302 2015 4 341 3.4 10.11 12.30 G5 201743.37+351838.3

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

 
 
WDS 20177+3518 ES 2302 (HD 228775) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20177+3518 ES 2302 (HD 228775) : MEASURES
 
 
No records found.

 
 
WDS 20177+3518 (HD 228775) : VIRTUAL EYEPIECE
 
 

20177+3518 ES 2302A mag 10.11 Sp G5 20177+3518 ES 2302B sep 3.3 P.A. 344.50 mag 12.3 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 20177+3518 (HD 228775) : ALADIN DSS IMAGE @ 20h 17m 43.37s +35° 18' 38.3"
 
 
 
 
WDS 20177+3518 ES 2302 (HD 228775) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20177+3518 ES 2302 distance=0' 20188+3507 A 286AB distance=18' 20188+3507 BU 986AB,C distance=18' 20188+3507 FOX 253AB,D distance=18' 20188+3507 FYM 178AB,E distance=18' 20188+3507 FYM 178AB,F distance=18' 20163+3532 ES 2249 distance=23' 20198+3509 COU2217 distance=28' 20199+3506 TDT2174 distance=30' 20155+3536 SEI1045 distance=33' 20190+3550 POP 128 distance=35' 20207+3512 COU2218 distance=38' 20146+3522 SEI1040 distance=38' 20150+3500 ES 205 distance=39' 20158+3447 SEI1047 distance=39' 20210+3525 POP 129DE distance=40' 20210+3525 POP 129BC distance=40' 20144+3524 ES 244CD distance=41' 20144+3524 ES 244BC distance=41' 20210+3525 POP 129AB distance=41' 20210+3525 POP 129AD distance=41' 20153+3546 SEI1044 distance=41' 20144+3524 ES 244AB distance=41' 20144+3556 SEI1035 distance=43' 20142+3522 ES 204 distance=43' 20144+3501 COU2216 distance=45' 20168+3435 TDT2137 distance=45' 20212+3537 ES 28 distance=47' 20218+3525 TDT2205 distance=51' 20135+3526 COU2214AB distance=53' 20135+3526 COU2214AC distance=53' 20139+3545 COU2215 distance=54' 20180+3613 SEI1073 distance=55' 20133+3502 SKF2392BD distance=56' 20133+3502 ARY 23BC distance=56' 20133+3502 ARY 23AB distance=57' 20137+3551 TDT2105 distance=59' 20173+3420 SEI1064 distance=59' 20135+3551 SEI1018 distance=61' 20136+3553 SEI1021AB distance=62' 20136+3553 SEI1021AD distance=62' 20136+3553 SEI1021AC distance=62' 20136+3553 SEI1021BC distance=62' 20139+3439 SEI1027 distance=62' 20188+3620 SEI1077 distance=64' 20200+3616 BU 431 distance=64' 20130+3450 SEI1012 distance=65' 20127+3456 TDT2090 distance=66' 20158+3417 DAM 206 distance=67' 20167+3625 SLE 983 distance=67' 20155+3415 GCB 51 distance=68' 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 20177+3518 ES 2302 341 3.4
Show 20188+3507 A 286 AB 41 0.1 18
Show 20188+3507 BU 986 AB,C 240 4.2 18
Show 20188+3507 FOX 253 AB,D 341 46.6 18
Show 20188+3507 FYM 178 AB,E 75 12.7 18
Show 20188+3507 FYM 178 AB,F 289 27.8 18
Show 20163+3532 ES 2249 158 4.9 23
Show 20198+3509 COU2217 27 1.0 28
Show 20199+3506 TDT2174 227 0.5 30
Show 20155+3536 SEI1045 325 29.1 33
Show 20190+3550 POP 128 305 4.4 35
Show 20207+3512 COU2218 88 0.2 38
Show 20146+3522 SEI1040 49 4.4 38
Show 20150+3500 ES 205 198 7.1 39
Show 20158+3447 SEI1047 163 21.0 39
Show 20210+3525 POP 129 DE 258 13.5 40
Show 20210+3525 POP 129 BC 33 6.1 40
Show 20144+3524 ES 244 CD 304 4.1 41
Show 20144+3524 ES 244 BC 17 4.9 41
Show 20210+3525 POP 129 AB 289 55.6 41
Show 20210+3525 POP 129 AD 215 82.5 41
Show 20153+3546 SEI1044 108 21.9 41
Show 20144+3524 ES 244 AB 130 41.2 41
Show 20144+3556 SEI1035 198 15.4 43
Show 20142+3522 ES 204 281 15.1 43
Show 20144+3501 COU2216 207 0.6 45
Show 20168+3435 TDT2137 110 0.6 45
Show 20212+3537 ES 28 251 21.6 47
Show 20218+3525 TDT2205 351 0.5 51
Show 20135+3526 COU2214 AB 31 1.1 53
Show 20135+3526 COU2214 AC 263 3.4 53
Show 20139+3545 COU2215 75 0.7 54
Show 20180+3613 SEI1073 149 4.7 55
Show 20133+3502 SKF2392 BD 346 14.0 56
Show 20133+3502 ARY 23 BC 339 65.0 56
Show 20133+3502 ARY 23 AB 28 81.6 57
Show 20137+3551 TDT2105 168 0.6 59
Show 20173+3420 SEI1064 254 23.9 59
Show 20135+3551 SEI1018 170 22.3 61
Show 20136+3553 SEI1021 AB 248 13.4 62
Show 20136+3553 SEI1021 AD 121 6.9 62
Show 20136+3553 SEI1021 AC 253 10.3 62
Show 20136+3553 SEI1021 BC 52 3.3 62
Show 20139+3439 SEI1027 10 28.7 62
Show 20188+3620 SEI1077 330 11.3 64
Show 20200+3616 BU 431 208 0.5 64
Show 20130+3450 SEI1012 49 14.6 65
Show 20127+3456 TDT2090 256 0.5 66
Show 20158+3417 DAM 206 174 5.0 67
Show 20167+3625 SLE 983 276 11.9 67
Show 20155+3415 GCB 51 215 2.9 68

 
 
WDS 20177+3518 : COMPONENTS
 
 
  A
B pa=344.5°
sep=3.32"
 
 
20177+3518 A
 
 
Componente originario normalizzato AB Name HD 228775 Coord arcsec 2000 201743.37+351838.3 Mag 10.11
Spectral class G5 (yellow) PmRA 38.00 PmDE 28.0 Tycho2 2680-00452-1
HD 228775
Tycho2
Tycho2 2680-00452-1 Pflag RAmdeg 304.43070987 DEmdeg 35.31066160
PmRA 37.7 PmDE 28.3 E RAmdeg 19 E DEmdeg 17
E pmRA 1.3 E pmDE 1.3 EpRAm 1987.02 EpDEm 1988.75
Num 8 Q RAmdeg 1.8 Q DEmdeg 3.5 Q pmRA 1.8
Q pmDE 3.5 BTmag 10.769 E BTmag 0.035 VTmag 10.111
E VTmag 0.028 Prox 999 TYC T HIP
CCDM RAdeg 304.43061167 DEdeg 35.31058361 EpRA 1990 1.53
EpDE 1990 1.73 E RAdeg 21.5 E DEdeg 18.2 Posflg
Corr 0.0
 
 
20177+3518 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 201743.30+351841.5 Mag 12.3 Calc delta mag 2.19
Calc coord yes