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Current system
20069+3938
ES 1971
HD 227747


Nearby doubles
16' : 20079+3949
STJ 83

16' : 20056+3935
COU2535

19' : 20081+3926
ES 1972

19' : 20085+3936
MLB 768

31' : 20044+3947
ALI1133

31' : 20093+3926
TDT2028

33' : 20088+3915
MLB 769

35' : 20073+4013
BRT2252

36' : 20099+3951
ALI1135

36' : 20038+3937
ALI1132

37' : 20057+3905
J 1072

37' : 20053+4011
TDT1959

38' : 20041+3957
COU2534

41' : 20089+3905
MLB 770

42' : 20091+3907
MLB 771

43' : 20096+4009
COU2414

44' : 20035+3924
SEI 828AB

47' : 20052+3857
BU 1480

49' : 20107+4001
TDS1048

50' : 20027+3928
SKF1765AB

51' : 20025+3940
BRT2251

54' : 20026+3959
TDT1929

57' : 20118+3936
COU2415AB

58' : 20042+3851
ALI 915

59' : 20107+3900
ES 2046

60' : 20035+3837
COU2533



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.

20069+3938 ES 1971 (HD 227747)

 
 
20h 06m 55.20s +39° 38' 51.6" P.A. 291.00 sep 3.3 mag 11.20,11.40 Sp F0
 
 
Coord 2000 20069+3938 Discov num ES 1971 Comp Coord arcsec 2000 20 06 55.20 +39 38 51.6
Date first 1922 Date last 2016 Obs 9
Pa first 287 Pa last 290.9 P.A. Now (θ) 290.9°
Sep first 2.8 Sep last 3.312 Sep. Now (ρ) 3.312"
Mag pri 11.20 Mag sec 11.40 delta mag (ΔM) 0.2 Spectral class F0 (yellow-white)
Pri motion ra +060 Sec motion ra -025
Pri motion dec -024 Sec motion dec +015
Notes
rPM=1.447
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 227747 Constellation Cygnus Tycho2 3154-01275-1 Gaia DR2 2074052218506215424
HD 227747
 
 
WDS 20069+3938 ES 1971 (HD 227747) : 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Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E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
20069+3938 ES 1971 2005 6 291 3.3 11.20 11.40 200655.20+393851.6
20069+3938 ES 1971 2015 8 291 3.3 11.20 11.40 F0 200655.20+393851.6
20069+3938 ES 1971 2016 9 291 3.3 11.20 11.40 F0 200655.20+393851.6

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

 
 
WDS 20069+3938 ES 1971 (HD 227747) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20069+3938 ES 1971 (HD 227747) : MEASURES
 
 
No records found.

 
 
WDS 20069+3938 (HD 227747) : VIRTUAL EYEPIECE
 
 

20069+3938 ES 1971A mag 11.2 Sp F0 20069+3938 ES 1971B sep 2.7 P.A. 296.40 mag 11.4 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 20069+3938 (HD 227747) : ALADIN DSS IMAGE @ 20h 06m 55.20s +39° 38' 51.6"
 
 
 
 
WDS 20069+3938 ES 1971 (HD 227747) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20069+3938 ES 1971 distance=0' 20079+3949 STJ 83 distance=16' 20056+3935 COU2535 distance=16' 20081+3926 ES 1972 distance=19' 20085+3936 MLB 768 distance=19' 20044+3947 ALI1133 distance=31' 20093+3926 TDT2028 distance=31' 20088+3915 MLB 769 distance=33' 20073+4013 BRT2252 distance=35' 20099+3951 ALI1135 distance=36' 20038+3937 ALI1132 distance=36' 20057+3905 J 1072 distance=37' 20053+4011 TDT1959 distance=37' 20041+3957 COU2534 distance=38' 20089+3905 MLB 770 distance=41' 20091+3907 MLB 771 distance=42' 20096+4009 COU2414 distance=43' 20035+3924 SEI 828AB distance=44' 20035+3924 SEI 829AC distance=44' 20052+3857 BU 1480 distance=47' 20107+4001 TDS1048 distance=49' 20027+3928 SKF1765AB distance=50' 20025+3940 BRT2251 distance=51' 20026+3959 TDT1929 distance=54' 20118+3936 COU2415AB distance=57' 20118+3936 ES 1973AB,C distance=57' 20042+3851 ALI 915 distance=58' 20107+3900 ES 2046 distance=59' 20035+3837 COU2533 distance=60' 20121+3938 SEI 997 distance=60' 20055+4037 WFC 228 distance=61' 20076+3837 A 1416 distance=62' 20040+3847 ALI 914AB distance=63' 20124+3940 TDT2083 distance=63' 20109+3857 DAM 198 distance=63' 20066+3836 BRT2229 distance=64' 20048+3837 SEI 843 distance=66' 20112+3854 MLB 950 distance=67' 20122+3912 TDT2079 distance=67' 20113+3855 DAM 199 distance=68' 20052+4044 A 381 distance=69' 20090+4045 HJ 1487AB distance=70' 20090+4045 OPI9003AC distance=70' 20082+3831 ALI 920 distance=70' 20011+3940 BRT2228 distance=71' 20116+3853 A 1418 distance=72' 20128+3916 SEI1013 distance=73' 20011+3913 SEI 791 distance=73' 20052+3829 BU 1481AB distance=74' 20052+3829 WAL 126AC distance=74' 20052+3829 LLO 21AD distance=74' 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 20069+3938 ES 1971 291 3.3
Show 20079+3949 STJ 83 307 0.9 16
Show 20056+3935 COU2535 135 2.0 16
Show 20081+3926 ES 1972 146 4.4 19
Show 20085+3936 MLB 768 111 5.1 19
Show 20044+3947 ALI1133 346 13.1 31
Show 20093+3926 TDT2028 187 1.5 31
Show 20088+3915 MLB 769 131 4.9 33
Show 20073+4013 BRT2252 188 2.9 35
Show 20099+3951 ALI1135 200 13.1 36
Show 20038+3937 ALI1132 229 7.8 36
Show 20057+3905 J 1072 252 4.1 37
Show 20053+4011 TDT1959 358 0.8 37
Show 20041+3957 COU2534 7 0.2 38
Show 20089+3905 MLB 770 284 6.1 41
Show 20091+3907 MLB 771 17 3.7 42
Show 20096+4009 COU2414 159 0.3 43
Show 20035+3924 SEI 828 AB 85 19.8 44
Show 20035+3924 SEI 829 AC 262 22.7 44
Show 20052+3857 BU 1480 328 8.2 47
Show 20107+4001 TDS1048 339 1.1 49
Show 20027+3928 SKF1765 AB 224 55.1 50
Show 20025+3940 BRT2251 155 4.3 51
Show 20026+3959 TDT1929 214 2.1 54
Show 20118+3936 COU2415 AB 158 0.4 57
Show 20118+3936 ES 1973 AB,C 352 4.1 57
Show 20042+3851 ALI 915 198 14.9 58
Show 20107+3900 ES 2046 100 6.2 59
Show 20035+3837 COU2533 102 1.0 60
Show 20121+3938 SEI 997 146 10.3 60
Show 20055+4037 WFC 228 167 13.7 61
Show 20076+3837 A 1416 42 4.7 62
Show 20040+3847 ALI 914 AB 230 14.8 63
Show 20124+3940 TDT2083 350 1.1 63
Show 20109+3857 DAM 198 263 6.4 63
Show 20066+3836 BRT2229 156 3.4 64
Show 20048+3837 SEI 843 132 13.3 66
Show 20112+3854 MLB 950 185 4.2 67
Show 20122+3912 TDT2079 32 1.9 67
Show 20113+3855 DAM 199 70 6.5 68
Show 20052+4044 A 381 277 0.8 69
Show 20090+4045 HJ 1487 AB 298 14.3 70
Show 20090+4045 OPI9003 AC 195 60.1 70
Show 20082+3831 ALI 920 149 14.0 70
Show 20011+3940 BRT2228 265 4.3 71
Show 20116+3853 A 1418 330 3.0 72
Show 20128+3916 SEI1013 330 20.6 73
Show 20011+3913 SEI 791 59 5.6 73
Show 20052+3829 BU 1481 AB 240 42.7 74
Show 20052+3829 WAL 126 AC 212 70.4 74
Show 20052+3829 LLO 21 AD 212 4.9 74

 
 
WDS 20069+3938 : COMPONENTS
 
 
  A
B pa=296.4°
sep=2.66"
 
 
20069+3938 A
 
 
Componente originario normalizzato AB Name HD 227747 Coord arcsec 2000 200655.20+393851.6 Mag 11.2
Spectral class F0 (yellow-white) PmRA 60.00 PmDE -24.0 Tycho2 3154-01275-1
HD 227747
Tycho2
Tycho2 3154-01275-1 Pflag RAmdeg 301.72991967 DEmdeg 39.64771216
PmRA 34.6 PmDE -11.7 E RAmdeg 27 E DEmdeg 29
E pmRA 4.0 E pmDE 3.9 EpRAm 1988.33 EpDEm 1989.05
Num 3 Q RAmdeg 9.9 Q DEmdeg 5.3 Q pmRA 9.9
Q pmDE 5.3 BTmag 11.200 E BTmag 0.052 VTmag 10.847
E VTmag 0.060 Prox 757 TYC T HIP
CCDM RAdeg 301.72992194 DEdeg 39.64771806 EpRA 1990 1.56
EpDE 1990 1.67 E RAdeg 35.0 E DEdeg 33.8 Posflg
Corr 0.1
 
 
20069+3938 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 200654.99+393852.8 Mag 11.4 PmRA -25.00
PmDE 15.0 Calc delta mag 0.2 Calc coord yes