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Doubles in session


Current system
20176+3806
ES 2502


Nearby doubles
5' : 20178+3802
RBR 25

9' : 20182+3803
SLE 991

10' : 20183+3802
SLE 993

14' : 20168+3755
SLE 984

15' : 20166+3759
ALI 663

17' : 20162+3805
SEI1050

17' : 20183+3820
CRB 10

18' : 20183+3822
SLE 992

19' : 20189+3817
A 1425AB

21' : 20160+3758
SEI1048

21' : 20183+3825
ES 2049

22' : 20158+3759
SLE 978

23' : 20157+3800
TDS1054

24' : 20196+3808
SEI1084AB

25' : 20160+3751
TDT2130

25' : 20169+3743
SLE 985

25' : 20192+3822
ES 2504

26' : 20195+3754
SLE1003

26' : 20177+3740
SLE 989

26' : 20198+3806
BKO 826

27' : 20162+3745
TOB 183

28' : 20193+3748
SLE1000

28' : 20163+3829
SLE 981

29' : 20173+3834
MLB 951

29' : 20171+3738
SLE 986AB

29' : 20196+3820
A 1426



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.

20176+3806 ES 2502

 
 
20h 17m 33.71s +38° 06' 03.0" P.A. 325.00 sep 5.2 mag 10.95,11.40
 
 
Coord 2000 20176+3806 Discov num ES 2502 Comp Coord arcsec 2000 20 17 33.71 +38 06 03.0
Date first 1931 Date last 2016 Obs 11
Pa first 325 Pa last 325.1 P.A. Now (θ) 325.1°
Sep first 4.9 Sep last 5.166 Sep. Now (ρ) 5.166"
Mag pri 10.95 Mag sec 11.40 delta mag (ΔM) 0.45 Spectral class
Pri motion ra -004 Sec motion ra -001
Pri motion dec +001 Sec motion dec -007
Notes
rPM=1.208
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2061246481449863936
 
 
WDS 20176+3806 ES 2502 : 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Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E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
20176+3806 ES 2502 2006 4 323 5.2 10.95 11.40 201730.19+380556.3
20176+3806 ES 2502 2015 7 325 5.2 10.95 11.40 201733.71+380603.0
20176+3806 ES 2502 2016 11 325 5.2 10.95 11.40 201733.71+380603.0

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

 
 
WDS 20176+3806 ES 2502 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20176+3806 ES 2502 : MEASURES
 
 
No records found.

 
 
WDS 20176+3806 : VIRTUAL EYEPIECE
 
 

20176+3806 ES 2502A mag 10.95 20176+3806 ES 2502B sep 4.8 P.A. 331.20 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 20176+3806 : ALADIN DSS IMAGE @ 20h 17m 33.71s +38° 06' 03.0"
 
 
 
 
WDS 20176+3806 ES 2502 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20176+3806 ES 2502 distance=1' 20178+3802 RBR 25 distance=5' 20182+3803 SLE 991 distance=9' 20183+3802 SLE 993 distance=10' 20168+3755 SLE 984 distance=14' 20166+3759 ALI 663 distance=15' 20162+3805 SEI1050 distance=17' 20183+3820 CRB 10 distance=17' 20183+3822 SLE 992 distance=18' 20189+3817 A 1425AB distance=19' 20189+3817 A 1425AB,C distance=19' 20160+3758 SEI1048 distance=21' 20183+3825 ES 2049 distance=21' 20158+3759 SLE 978 distance=22' 20157+3800 TDS1054 distance=23' 20196+3808 SEI1084AB distance=24' 20196+3808 TOB 185AC distance=24' 20160+3751 TDT2130 distance=25' 20169+3743 SLE 985 distance=25' 20192+3822 ES 2504 distance=25' 20195+3754 SLE1003 distance=26' 20177+3740 SLE 989 distance=26' 20198+3806 BKO 826 distance=26' 20162+3745 TOB 183 distance=27' 20193+3748 SLE1000 distance=28' 20163+3829 SLE 981 distance=28' 20173+3834 MLB 951 distance=29' 20171+3738 SLE 986AB distance=29' 20171+3738 SLE 986AC distance=29' 20196+3820 A 1426 distance=29' 20176+3835 ALI 927 distance=29' 20165+3739 BU 442UV distance=30' 20165+3739 BU 442CD distance=30' 20165+3739 BU 442CU distance=30' 20165+3739 BU 442CV distance=30' 20165+3739 BU 442BC distance=31' 20165+3739 BU 442BD distance=31' 20165+3739 ABH 135BE distance=31' 20165+3739 ABH 135BF distance=31' 20165+3739 ABH 135BO distance=31' 20165+3739 BU 442BP distance=31' 20165+3739 BU 442BR distance=31' 20165+3739 BU 442BS distance=31' 20165+3739 BU 442BT distance=31' 20165+3739 BU 442BU distance=31' 20165+3739 BU 442BV distance=31' 20177+3836 SEI1069 distance=31' 20165+3739 BU 442AB distance=31' 20165+3739 SLE 982AG distance=31' 20165+3739 SLE 982AH distance=31' 20165+3739 SLE 982AI distance=31' 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 20176+3806 ES 2502 325 5.2 1
Show 20178+3802 RBR 25 107 11.4 5
Show 20182+3803 SLE 991 131 11.8 9
Show 20183+3802 SLE 993 70 16.4 10
Show 20168+3755 SLE 984 175 8.2 14
Show 20166+3759 ALI 663 58 12.0 15
Show 20162+3805 SEI1050 313 3.9 17
Show 20183+3820 CRB 10 39 5.0 17
Show 20183+3822 SLE 992 282 10.3 18
Show 20189+3817 A 1425 AB 266 0.2 19
Show 20189+3817 A 1425 AB,C 310 9.1 19
Show 20160+3758 SEI1048 121 19.6 21
Show 20183+3825 ES 2049 267 3.2 21
Show 20158+3759 SLE 978 198 11.8 22
Show 20157+3800 TDS1054 4 0.9 23
Show 20196+3808 SEI1084 AB 247 26.3 24
Show 20196+3808 TOB 185 AC 259 13.6 24
Show 20160+3751 TDT2130 236 2.0 25
Show 20169+3743 SLE 985 186 14.1 25
Show 20192+3822 ES 2504 110 7.7 25
Show 20195+3754 SLE1003 129 8.5 26
Show 20177+3740 SLE 989 223 8.9 26
Show 20198+3806 BKO 826 87 4.9 26
Show 20162+3745 TOB 183 256 14.7 27
Show 20193+3748 SLE1000 240 12.1 28
Show 20163+3829 SLE 981 260 11.3 28
Show 20173+3834 MLB 951 321 4.9 29
Show 20171+3738 SLE 986 AB 347 6.4 29
Show 20171+3738 SLE 986 AC 1 17.9 29
Show 20196+3820 A 1426 259 3.7 29
Show 20176+3835 ALI 927 67 5.7 29
Show 20165+3739 BU 442 UV 127 8.0 30
Show 20165+3739 BU 442 CD 306 15.1 30
Show 20165+3739 BU 442 CU 109 12.7 30
Show 20165+3739 BU 442 CV 116 20.4 30
Show 20165+3739 BU 442 BC 49 16.9 31
Show 20165+3739 BU 442 BD 2 20.1 31
Show 20165+3739 ABH 135 BE 88 50.2 31
Show 20165+3739 ABH 135 BF 139 64.4 31
Show 20165+3739 ABH 135 BO 125 41.5 31
Show 20165+3739 BU 442 BP 269 16.6 31
Show 20165+3739 BU 442 BR 308 34.4 31
Show 20165+3739 BU 442 BS 124 3.7 31
Show 20165+3739 BU 442 BT 162 6.5 31
Show 20165+3739 BU 442 BU 74 26.0 31
Show 20165+3739 BU 442 BV 86 31.3 31
Show 20177+3836 SEI1069 247 14.6 31
Show 20165+3739 BU 442 AB 103 18.3 31
Show 20165+3739 SLE 982 AG 10 88.5 31
Show 20165+3739 SLE 982 AH 19 111.6 31
Show 20165+3739 SLE 982 AI 43 63.2 31

 
 
WDS 20176+3806 : COMPONENTS
 
 
  A
B pa=331.2°
sep=4.83"
 
 
20176+3806 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 201733.71+380603.0 Mag 10.95 PmRA -4.00
PmDE 1.0
CCDM
Ccdm 20176+3806 RComp Comp A Note1
Note2 Discov num DRAs -2.31 DDEs -0.3
R dRAs 45 Year Theta Rho
Obs 2 Vmag 10.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20139N3747A
HIC
 
 
20176+3806 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 201733.51+380607.2 Mag 11.4 PmRA -1.00
PmDE -7.0 Calc delta mag 0.45 Calc coord yes
CCDM
Ccdm 20176+3806 RComp Comp B Note1
Note2 Discov num ES 2502 DRAs DDEs
R dRAs Year 1931 Theta 325 Rho 4.8
Obs 1 Vmag 11.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20139N3747B
HIC