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Doubles in session


Current system
21487+5035
ES 1105 AC


Nearby doubles
7' : 21492+5031
STF2832AB

18' : 21495+5019
TDT3180

24' : 21511+5040
ES 827

26' : 21511+5023
HU 694

26' : 21511+5047
TDT3191

37' : 21494+5110
AZC 182AB

40' : 21524+5054
TDT3210

43' : 21526+5013
ES 1175

45' : 21443+5024
TDT3128

46' : 21439+5034
HU 693

54' : 21495+5127
GII 19

58' : 21502+5131
COU2655

58' : 21433+5100
BU 374

59' : 21429+5053
COU2548

60' : 21549+5046
TDT3236

62' : 21486+5136
HLD 48

63' : 21552+5030
BLL 56

66' : 21554+5052
TDT3244

68' : 21417+5026
HJ 1684

69' : 21415+5035
COU2444

70' : 21558+5052
COU2656

75' : 21448+4931
ARG 43AB

76' : 21536+5132
ES 828

79' : 21468+4919
MIU 3

80' : 21404+5029
ES 1104AB

81' : 21481+5156
TDT3161



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.

21487+5035 ES 1105 AC

 
 
21h 48m 43.31s +50° 34' 52.3" P.A. 96.00 sep 9.8 mag 9.58,13.80
 
 
Coord 2000 21487+5035 Discov num ES 1105 Comp AC Coord arcsec 2000 21 48 43.31 +50 34 52.3
Date first 1911 Date last 2015 Obs 7
Pa first 108 Pa last 96 P.A. Now (θ) 96°
Sep first 11.0 Sep last 9.821 Sep. Now (ρ) 9.821"
Mag pri 9.58 Mag sec 13.80 delta mag (ΔM) 4.22 Spectral class
Pri motion ra -003 Sec motion ra +008
Pri motion dec -020 Sec motion dec -004
Notes
rPM=0.96
This double is not physical.
 
 
21487+5035 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 48 43 +50 34 52 ES 1105 AB 2015 8 298 7.8 9.58 13.30 3.72
Show 21 48 43 +50 34 52 ES 1105 AC 2015 7 96 9.8 9.58 13.80 4.22 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3612-00451-1 Gaia DR2 1980518276148572544
 
 
WDS 21487+5035 ES 1105 AC : 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
21487+5035 ES 1105 AC 1999 2 98 9.8 9.58 13.80 D 214843.31+503452.3
21487+5035 ES 1105 AC 2003 3 97 9.9 9.58 13.80 D 214843.31+503452.3
21487+5035 ES 1105 AC 2015 4 96 9.8 9.58 13.80 214843.31+503452.3

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

 
 
WDS 21487+5035 ES 1105 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21487+5035 ES 1105 AC : MEASURES
 
 
No records found.

 
 
WDS 21487+5035 : VIRTUAL EYEPIECE
 
 

21487+5035 ES 1105A mag 9.58 21487+5035 ES 1105B sep 5.7 P.A. 309.90 mag 13.3 21487+5035 ES 1105C sep 6.3 P.A. 99.40 mag 13.8 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 21487+5035 : ALADIN DSS IMAGE @ 21h 48m 43.31s +50° 34' 52.3"
 
 
 
 
WDS 21487+5035 ES 1105 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21487+5035 ES 1105AC distance=0' 21492+5031 STF2832AB distance=7' 21492+5031 CTT 10AD distance=7' 21492+5031 STF2832AC distance=7' 21492+5031 STF2832BC distance=7' 21495+5019 TDT3180 distance=18' 21511+5040 ES 827 distance=24' 21511+5023 HU 694 distance=26' 21511+5047 TDT3191 distance=26' 21494+5110 AZC 182AB distance=37' 21524+5054 TDT3210 distance=40' 21526+5013 ES 1175 distance=43' 21443+5024 TDT3128 distance=45' 21439+5034 HU 693 distance=46' 21495+5127 GII 19 distance=54' 21502+5131 COU2655 distance=58' 21433+5100 BU 374 distance=58' 21429+5053 COU2548 distance=59' 21549+5046 TDT3236 distance=60' 21486+5136 HLD 48 distance=62' 21552+5030 BLL 56 distance=63' 21554+5052 TDT3244 distance=66' 21417+5026 HJ 1684 distance=68' 21415+5035 COU2444 distance=69' 21558+5052 COU2656 distance=70' 21448+4931 ARG 43BC distance=75' 21448+4931 ARG 43AB distance=75' 21536+5132 ES 828 distance=76' 21468+4919 MIU 3 distance=79' 21404+5029 ES 1104AB distance=80' 21404+5029 ES 1104AC distance=80' 21481+5156 TDT3161 distance=81' 21573+5029 HDS3120 distance=82' 21399+5039 ES 1103 distance=85' 21552+4938 RAO 467 distance=85' 21534+4921 ES 524AB distance=87' 21534+4921 ES 524BC distance=87' 21396+5025 TDT3087 distance=88' 21496+4908 DAM 297 distance=88' 21543+5145 KPP4256AB distance=88' 21515+4910 ES 9008 distance=89' 21506+4908 ES 826 distance=90' 21526+4909 COU2445 distance=93' 21568+5132 TDT3253 distance=96' 21547+4916 ES 525 distance=98' 21415+4926 KPP4243 distance=99' 21497+4857 ES 9011 distance=99' 21382+5049 FOX 43 distance=100' 21400+5133 BU 372 distance=101' 21514+4857 ES 9007 distance=102' 21380+5037 COU2443 distance=102' 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 21487+5035 ES 1105 AB 298 7.8
Show 21487+5035 ES 1105 AC 96 9.8
Show 21492+5031 STF2832 AB 213 13.2 7
Show 21492+5031 CTT 10 AD 104 125.2 7
Show 21492+5031 STF2832 AC 321 45.8 7
Show 21492+5031 STF2832 BC 335 51.5 7
Show 21495+5019 TDT3180 67 1.9 18
Show 21511+5040 ES 827 242 3.1 24
Show 21511+5023 HU 694 192 1.6 26
Show 21511+5047 TDT3191 221 2.1 26
Show 21494+5110 AZC 182 AB 354 57.1 37
Show 21524+5054 TDT3210 342 0.7 40
Show 21526+5013 ES 1175 211 9.9 43
Show 21443+5024 TDT3128 198 1.7 45
Show 21439+5034 HU 693 232 1.1 46
Show 21495+5127 GII 19 339 5.8 54
Show 21502+5131 COU2655 250 0.3 58
Show 21433+5100 BU 374 138 1.8 58
Show 21429+5053 COU2548 167 1.0 59
Show 21549+5046 TDT3236 232 0.5 60
Show 21486+5136 HLD 48 22 4.6 62
Show 21552+5030 BLL 56 257 84.4 63
Show 21554+5052 TDT3244 122 0.6 66
Show 21417+5026 HJ 1684 319 10.8 68
Show 21415+5035 COU2444 340 0.6 69
Show 21558+5052 COU2656 65 1.1 70
Show 21448+4931 ARG 43 BC 91 6.9 75
Show 21448+4931 ARG 43 AB 20 29.2 75
Show 21536+5132 ES 828 92 7.7 76
Show 21468+4919 MIU 3 129 0.1 79
Show 21404+5029 ES 1104 AB 347 3.3 80
Show 21404+5029 ES 1104 AC 225 13.8 80
Show 21481+5156 TDT3161 223 2.5 81
Show 21573+5029 HDS3120 190 0.9 82
Show 21399+5039 ES 1103 240 6.6 85
Show 21552+4938 RAO 467 204 3.4 85
Show 21534+4921 ES 524 AB 188 20.9 87
Show 21534+4921 ES 524 BC 3 4.7 87
Show 21396+5025 TDT3087 126 1.9 88
Show 21496+4908 DAM 297 170 8.4 88
Show 21543+5145 KPP4256 AB 45 2.0 88
Show 21515+4910 ES 9008 120 7.5 89
Show 21506+4908 ES 826 129 4.0 90
Show 21526+4909 COU2445 18 1.4 93
Show 21568+5132 TDT3253 348 0.7 96
Show 21547+4916 ES 525 123 5.3 98
Show 21415+4926 KPP4243 321 1.6 99
Show 21497+4857 ES 9011 216 5.5 99
Show 21382+5049 FOX 43 83 2.6 100
Show 21400+5133 BU 372 353 1.7 101
Show 21514+4857 ES 9007 102 6.7 102

 
 
WDS 21487+5035 : COMPONENTS
 
 
  A B
B pa=309.9°
sep=5.68"
 
C pa=99.4°
sep=6.29"
pa=113.9°
sep=11.55"
 
 
21487+5035 A
 
 
Coord arcsec 2000 214843.31+503452.3 Mag 9.58 PmRA -3.00 PmDE -20.0
Tycho2 3612-00451-1
Tycho2
Tycho2 3612-00451-1 Pflag RAmdeg 327.18043825 DEmdeg 50.58120266
PmRA -0.7 PmDE -19.9 E RAmdeg 12 E DEmdeg 13
E pmRA 1.3 E pmDE 1.4 EpRAm 1989.72 EpDEm 1989.78
Num 8 Q RAmdeg 2.3 Q DEmdeg 1.5 Q pmRA 2.4
Q pmDE 1.5 BTmag 10.061 E BTmag 0.026 VTmag 9.580
E VTmag 0.021 Prox 999 TYC T HIP
CCDM RAdeg 327.18044694 DEdeg 50.58124611 EpRA 1990 1.67
EpDE 1990 1.64 E RAdeg 13.3 E DEdeg 14.1 Posflg
Corr -0.1
CCDM
Ccdm 21487+5035 RComp Comp A Note1
Note2 Discov num DRAs 1.31 DDEs -6.9
R dRAs 10 Year Theta Rho
Obs 3 Vmag 9.4 Sp PmNote *
PmRA -4 PmDE 1 Dm number +49 3629 Cat1 BD
Name2 +50 1696 Cat2 AGK2/3 HD M HD
ADS BDS A15344 M ADS BDS N IDS IDS 21450N5007A
HIC
 
 
21487+5035 B
 
 
Coord arcsec 2000 214842.85+503455.9 Mag 13.3 PmRA -28.00 PmDE 0.0
Calc delta mag 3.72 Calc coord yes
CCDM
Ccdm 21487+5035 RComp Comp B Note1
Note2 Discov num ES 1105 DRAs DDEs
R dRAs Year 1911 Theta 295 Rho 7.3
Obs 1 Vmag 13.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A15344 M ADS BDS N IDS IDS 21450N5007B
HIC
 
 
21487+5035 C
 
 
Coord arcsec 2000 214843.96+503451.3 Mag 13.8 PmRA 8.00 PmDE -4.0
Calc delta mag 4.22 Calc coord yes
CCDM
Ccdm 21487+5035 RComp Comp C Note1
Note2 Discov num ES 1105 DRAs DDEs
R dRAs Year 1911 Theta 108 Rho 11.0
Obs 1 Vmag 13.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A15344 M ADS BDS N IDS IDS 21450N5007C
HIC