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Current system
20281+4815
ES 803
HD 195228


Nearby doubles
8' : 20281+4822
TDT2302

9' : 20273+4815
TDT2286

14' : 20280+4829
HU 587

39' : 20287+4737
GRF 17

42' : 20243+4800
TDT2240

45' : 20246+4842
ES 2694

47' : 20301+4857
BU 669AB

49' : 20274+4727
A 732

49' : 20233+4807
A 727

53' : 20266+4724
HDS2924

55' : 20261+4725
TDT2268

56' : 20271+4909
ES 802

56' : 20246+4732
STJ 107

58' : 20334+4752
J 4

61' : 20227+4748
OPI9005

61' : 20341+4804
YSC 116

62' : 20246+4904
HEI 908

65' : 20309+4913
S 755AB

65' : 20223+4748
HJ 1510AB

67' : 20313+4913
S 756

69' : 20348+4830
ES 666

71' : 20239+4718
TDT2236

80' : 20336+4719
ES 665

86' : 20361+4745
HJ 1549

86' : 20318+4933
BU 1136

87' : 20196+4807
ES 503



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.

20281+4815 ES 803 (HD 195228)

 
 
20h 28m 07.09s +48° 14' 54.3" P.A. 351.00 sep 6.1 mag 8.37,11.60 Sp A0
 
 
Coord 2000 20281+4815 Discov num ES  803 Comp Coord arcsec 2000 20 28 07.09 +48 14 54.3
Date first 1903 Date last 2015 Obs 7
Pa first 350 Pa last 351.3 P.A. Now (θ) 351.3°
Sep first 4.9 Sep last 6.139 Sep. Now (ρ) 6.139"
Mag pri 8.37 Mag sec 11.60 delta mag (ΔM) 3.23 Spectral class A0 (white)
Pri motion ra +003 Sec motion ra
Pri motion dec +010 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 195228 Constellation Cygnus SAO 49665 Tycho2 3577-01571-1
Gaia DR2 2083900780354573568 HD 195228
 
 
WDS 20281+4815 ES 803 (HD 195228) : 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Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E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
20281+4815 ES 803 2000 3 351 6.2 8.37 11.60 A0 D 202807.09+481454.3
20281+4815 ES 803 2015 4 351 6.2 8.37 11.60 A0 202807.09+481454.3

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

 
 
WDS 20281+4815 ES 803 (HD 195228) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20281+4815 ES 803 (HD 195228) : MEASURES
 
 
No records found.

 
 
WDS 20281+4815 (HD 195228) : VIRTUAL EYEPIECE
 
 

20281+4815 ES 803A mag 8.37 Sp A0 20281+4815 ES 803B sep 6.1 P.A. 354.20 mag 11.6 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 20281+4815 (HD 195228) : ALADIN DSS IMAGE @ 20h 28m 07.09s +48° 14' 54.3"
 
 
 
 
WDS 20281+4815 ES 803 (HD 195228) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20281+4815 ES 803 distance=0' 20281+4822 TDT2302 distance=8' 20273+4815 TDT2286 distance=9' 20280+4829 HU 587 distance=14' 20287+4737 GRF 17 distance=39' 20243+4800 TDT2240 distance=42' 20246+4842 ES 2694 distance=45' 20301+4857 BU 669AB distance=47' 20301+4857 BU 669AC distance=47' 20301+4857 GUI 32AD distance=47' 20274+4727 A 732 distance=49' 20233+4807 A 727 distance=49' 20266+4724 HDS2924 distance=53' 20261+4725 TDT2268 distance=55' 20271+4909 ES 802 distance=56' 20246+4732 STJ 107 distance=56' 20334+4752 J 4 distance=58' 20227+4748 OPI9005 distance=61' 20341+4804 YSC 116 distance=61' 20246+4904 HEI 908 distance=62' 20309+4913 S 755AB distance=65' 20309+4913 ES 2695AC distance=65' 20223+4748 HJ 1511EF distance=65' 20223+4748 HJ 1510AB distance=65' 20223+4748 ES 29AC distance=65' 20223+4748 ES 29AD distance=65' 20223+4748 ES 29AE distance=65' 20313+4913 S 756 distance=67' 20348+4830 ES 666 distance=69' 20239+4718 TDT2236 distance=71' 20336+4719 ES 665 distance=80' 20361+4745 HJ 1549 distance=86' 20318+4933 BU 1136 distance=86' 20196+4807 ES 503 distance=87' 20196+4754 BLL 49 distance=87' 20300+4940 HU 589 distance=88' 20197+4843 TDT2170 distance=89' 20335+4703 HJ 1541BC distance=91' 20335+4703 A 738AB distance=91' 20335+4703 HJ 1541AC distance=91' 20335+4703 SS 9AD distance=91' 20335+4703 SS 9AE distance=91' 20335+4703 SS 9AF distance=91' 20335+4703 SS 9AG distance=91' 20335+4703 SS 9AH distance=91' 20239+4655 PLT 9 distance=91' 20335+4702 BKO 155 distance=92' 20225+4704 HEI 878 distance=92' 20273+4948 BVD 269 distance=94' 20223+4930 TDT2212 distance=95' 20322+4648 A 736AB distance=96' 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 20281+4815 ES 803 351 6.1
Show 20281+4822 TDT2302 249 1.4 8
Show 20273+4815 TDT2286 50 1.7 9
Show 20280+4829 HU 587 338 0.6 14
Show 20287+4737 GRF 17 102 160.1 39
Show 20243+4800 TDT2240 175 0.6 42
Show 20246+4842 ES 2694 321 11.9 45
Show 20301+4857 BU 669 AB 336 15.0 47
Show 20301+4857 BU 669 AC 89 55.8 47
Show 20301+4857 GUI 32 AD 44 131.1 47
Show 20274+4727 A 732 78 0.7 49
Show 20233+4807 A 727 61 0.9 49
Show 20266+4724 HDS2924 209 1.5 53
Show 20261+4725 TDT2268 50 0.7 55
Show 20271+4909 ES 802 238 5.1 56
Show 20246+4732 STJ 107 67 1.1 56
Show 20334+4752 J 4 1 2.6 58
Show 20227+4748 OPI9005 231 29.4 61
Show 20341+4804 YSC 116 270 0.2 61
Show 20246+4904 HEI 908 331 2.4 62
Show 20309+4913 S 755 AB 278 59.9 65
Show 20309+4913 ES 2695 AC 118 20.2 65
Show 20223+4748 HJ 1511 EF 237 11.6 65
Show 20223+4748 HJ 1510 AB 148 4.6 65
Show 20223+4748 ES 29 AC 326 6.7 65
Show 20223+4748 ES 29 AD 318 31.3 65
Show 20223+4748 ES 29 AE 121 55.9 65
Show 20313+4913 S 756 327 60.7 67
Show 20348+4830 ES 666 317 3.0 69
Show 20239+4718 TDT2236 279 0.9 71
Show 20336+4719 ES 665 129 5.7 80
Show 20361+4745 HJ 1549 55 5.5 86
Show 20318+4933 BU 1136 215 0.7 86
Show 20196+4807 ES 503 1 5.2 87
Show 20196+4754 BLL 49 231 65.4 87
Show 20300+4940 HU 589 204 1.6 88
Show 20197+4843 TDT2170 175 0.5 89
Show 20335+4703 HJ 1541 BC 276 4.0 91
Show 20335+4703 A 738 AB 249 2.4 91
Show 20335+4703 HJ 1541 AC 266 6.3 91
Show 20335+4703 SS 9 AD 198 18.0 91
Show 20335+4703 SS 9 AE 54 20.7 91
Show 20335+4703 SS 9 AF 117 26.0 91
Show 20335+4703 SS 9 AG 176 27.6 91
Show 20335+4703 SS 9 AH 15 29.2 91
Show 20239+4655 PLT 9 27 4.4 91
Show 20335+4702 BKO 155 310 8.2 92
Show 20225+4704 HEI 878 10 2.3 92
Show 20273+4948 BVD 269 288 11.1 94
Show 20223+4930 TDT2212 356 2.5 95
Show 20322+4648 A 736 AB 349 0.6 96

 
 
WDS 20281+4815 : COMPONENTS
 
 
  A
B pa=354.2°
sep=6.10"
 
 
20281+4815 A
 
 
Componente originario normalizzato AB Name HD 195228 Coord arcsec 2000 202807.09+481454.3 Mag 8.37
Spectral class A0 (white) PmRA 3.00 PmDE 10.0 SAO 49665
Tycho2 3577-01571-1 HD 195228 DM BD+47 3114
Tycho2
Tycho2 3577-01571-1 Pflag RAmdeg 307.02956195 DEmdeg 48.24844524
PmRA 6.6 PmDE 6.0 E RAmdeg 5 E DEmdeg 6
E pmRA 1.4 E pmDE 1.4 EpRAm 1991.56 EpDEm 1991.49
Num 5 Q RAmdeg 0.2 Q DEmdeg 0.7 Q pmRA 0.2
Q pmDE 0.7 BTmag 8.384 E BTmag 0.016 VTmag 8.370
E VTmag 0.012 Prox 999 TYC T HIP
CCDM RAdeg 307.02953917 DEdeg 48.24843139 EpRA 1990 1.70
EpDE 1990 1.69 E RAdeg 5.2 E DEdeg 5.5 Posflg
Corr -0.1
SAO
SAO 49665 DelFlag RA1950 PmRA1950 0.0022
DE1950 PmDE1950 -0.001 Vmag 8.1 SpType A0
Double code Source 3 CatNum 1632 DM BD+47 3114
DMcomp BDsup HD 195228 M HD 0
GC RA1950rad 5.35183896 DE1950rad 0.83917995 PmRA2000 0.0026
PmDE2000 -0.003
CCDM
Ccdm 20281+4815 RComp Comp A Note1
Note2 Discov num DRAs 1.04 DDEs -5.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.3 Sp A0 PmNote *
PmRA -5 PmDE 6 Dm number +47 3114 Cat1 BD
Name2 +48 1632 Cat2 AGK2/3 HD 195228 M HD
ADS BDS A13893 M ADS BDS N IDS IDS 20250N4755A
HIC
 
 
20281+4815 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 202807.03+481500.4 Mag 11.6 Calc delta mag 3.23
Calc coord yes
CCDM
Ccdm 20281+4815 RComp Comp B Note1
Note2 Discov num ES 803 DRAs DDEs
R dRAs Year 1909 Theta 354 Rho 5.8
Obs 1 Vmag 11.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13893 M ADS BDS N IDS IDS 20250N4755B
HIC