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Doubles in session


Current system
21534+4921
ES 524 AB


Nearby doubles
14' : 21526+4909
COU2445

14' : 21547+4916
ES 525

22' : 21515+4910
ES 9008

25' : 21552+4938
RAO 467

31' : 21514+4857
ES 9007

31' : 21506+4908
ES 826

40' : 21496+4908
DAM 297

43' : 21539+4839
COU2321

44' : 21497+4857
ES 9011

44' : 21568+4852
ES 829

45' : 21576+4938
HU 772

51' : 21491+4852
DAM 296

54' : 21526+5013
ES 1175

56' : 21531+4826
COU2319AB

60' : 21564+4829
TVB 14

64' : 21597+4907
HU 774

65' : 21468+4919
MIU 3

67' : 21511+5023
HU 694

69' : 21495+5019
TDT3180

72' : 21552+5030
BLL 56

73' : 21514+4811
TDT3198

75' : 21476+4832
TDT3155

76' : 21599+4843
HJ 1712

78' : 21575+4816
ES 682

79' : 21573+5029
HDS3120

79' : 22011+4901
RAO 470



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.

21534+4921 ES 524 AB

 
 
21h 53m 23.41s +49° 20' 48.8" P.A. 188.00 sep 20.9 mag 9.43,11.96 Sp B8 dist. 1086.96 pc (3545.66 l.y.)
 
 
Coord 2000 21534+4921 Discov num ES  524 Comp AB Coord arcsec 2000 21 53 23.41 +49 20 48.8
Date first 1907 Date last 2016 Obs 7
Pa first 189 Pa last 187.8 P.A. Now (θ) 187.8°
Sep first 20.4 Sep last 20.891 Sep. Now (ρ) 20.891"
Mag pri 9.43 Mag sec 11.96 delta mag (ΔM) 2.53 Spectral class B8 (blue-white)
Pri motion ra -004 Sec motion ra -006
Pri motion dec -002 Sec motion dec -007
Notes
rPM=0.584
Nature of this double is uncertain.
 
 
21534+4921 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 53 23 +49 20 49 ES 524 AB 2016 7 188 20.9 9.43 11.96 2.53 <===
Show 21 53 23 +49 20 28 ES 524 BC 2016 5 3 4.7 11.96 13.80 1.84
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus HIP 108048 Tycho2 3612-02169-1 Gaia DR2 1979452574505887616
BD BD+48 3536 Distance 1086.96 Distance ly 3545.66
 
 
WDS 21534+4921 ES 524 AB : 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
21534+4921 ES 524 AB 1999 4 188 20.7 9.43 11.96 B8 D 215323.41+492048.8
21534+4921 ES 524 AB 2003 5 189 20.7 9.43 11.96 B8 D 215323.41+492048.8
21534+4921 ES 524 AB 2016 6 189 20.9 9.43 11.96 B8 215323.41+492048.8

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

 
 
WDS 21534+4921 ES 524 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21534+4921 ES 524 AB : MEASURES
 
 
No records found.

 
 
WDS 21534+4921 : VIRTUAL EYEPIECE
 
 

21534+4921 ES 524A mag 9.43 Sp B8 21534+4921 ES 524B sep 20.7 P.A. 188.40 mag 11.96 21534+4921 ES 524C sep 16.0 P.A. 190.30 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 21534+4921 : ALADIN DSS IMAGE @ 21h 53m 23.41s +49° 20' 48.8"
 
 
 
 
WDS 21534+4921 ES 524 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21534+4921 ES 524AB distance=0' 21534+4921 ES 524BC distance=1' 21526+4909 COU2445 distance=14' 21547+4916 ES 525 distance=14' 21515+4910 ES 9008 distance=22' 21552+4938 RAO 467 distance=25' 21514+4857 ES 9007 distance=31' 21506+4908 ES 826 distance=31' 21496+4908 DAM 297 distance=40' 21539+4839 COU2321 distance=43' 21497+4857 ES 9011 distance=44' 21568+4852 ES 829 distance=44' 21576+4938 HU 772 distance=45' 21491+4852 DAM 296 distance=51' 21526+5013 ES 1175 distance=54' 21531+4826 COU2319AB distance=56' 21531+4826 GII 87AC distance=56' 21531+4826 COU2319AD distance=56' 21564+4829 TVB 14 distance=60' 21597+4907 HU 774 distance=64' 21468+4919 MIU 3 distance=65' 21511+5023 HU 694 distance=67' 21495+5019 TDT3180 distance=69' 21552+5030 BLL 56 distance=72' 21514+4811 TDT3198 distance=73' 21476+4832 TDT3155 distance=75' 21599+4843 HJ 1712 distance=76' 21575+4816 ES 682 distance=78' 21573+5029 HDS3120 distance=79' 22011+4901 RAO 470 distance=79' 22016+4921 ES 831AB distance=80' 22016+4921 ES 831AC distance=80' 22016+4921 ES 831AD distance=80' 22016+4921 ES 831AE distance=80' 22016+4921 ABH 156AF distance=80' 22016+4921 ABH 156AG distance=80' 22016+4921 ABH 156AH distance=80' 22016+4921 ABH 156AI distance=80' 22016+4921 ABH 156AJ distance=80' 22016+4921 ABH 156AK distance=80' 22016+4921 ABH 156AL distance=80' 22016+4921 ES 831AM distance=80' 21492+5031 STF2832BC distance=81' 21492+5031 STF2832AB distance=81' 21492+5031 CTT 10AD distance=81' 21492+5031 STF2832AC distance=81' 21511+5040 ES 827 distance=83' 22018+4918 BKO 906AB distance=83' 22018+4918 FYM 294AC distance=83' 21488+4810 KPP1210 distance=85' 21448+4931 ARG 43BC distance=85' 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 21534+4921 ES 524 AB 188 20.9
Show 21534+4921 ES 524 BC 3 4.7 1
Show 21526+4909 COU2445 18 1.4 14
Show 21547+4916 ES 525 123 5.3 14
Show 21515+4910 ES 9008 120 7.5 22
Show 21552+4938 RAO 467 204 3.4 25
Show 21514+4857 ES 9007 102 6.7 31
Show 21506+4908 ES 826 129 4.0 31
Show 21496+4908 DAM 297 170 8.4 40
Show 21539+4839 COU2321 255 0.7 43
Show 21497+4857 ES 9011 216 5.5 44
Show 21568+4852 ES 829 297 6.3 44
Show 21576+4938 HU 772 333 0.3 45
Show 21491+4852 DAM 296 240 6.9 51
Show 21526+5013 ES 1175 211 9.9 54
Show 21531+4826 COU2319 AB 59 0.8 56
Show 21531+4826 GII 87 AC 31 6.2 56
Show 21531+4826 COU2319 AD 88 2.4 56
Show 21564+4829 TVB 14 128 13.3 60
Show 21597+4907 HU 774 195 0.2 64
Show 21468+4919 MIU 3 129 0.1 65
Show 21511+5023 HU 694 192 1.6 67
Show 21495+5019 TDT3180 67 1.9 69
Show 21552+5030 BLL 56 257 84.4 72
Show 21514+4811 TDT3198 335 0.6 73
Show 21476+4832 TDT3155 40 0.8 75
Show 21599+4843 HJ 1712 190 11.5 76
Show 21575+4816 ES 682 134 6.2 78
Show 21573+5029 HDS3120 190 0.9 79
Show 22011+4901 RAO 470 18 1.0 79
Show 22016+4921 ES 831 AB 140 2.7 80
Show 22016+4921 ES 831 AC 310 20.5 80
Show 22016+4921 ES 831 AD 26 13.8 80
Show 22016+4921 ES 831 AE 70 16.0 80
Show 22016+4921 ABH 156 AF 256 49.2 80
Show 22016+4921 ABH 156 AG 309 82.0 80
Show 22016+4921 ABH 156 AH 319 79.4 80
Show 22016+4921 ABH 156 AI 56 72.8 80
Show 22016+4921 ABH 156 AJ 104 59.4 80
Show 22016+4921 ABH 156 AK 98 95.9 80
Show 22016+4921 ABH 156 AL 298 44.9 80
Show 22016+4921 ES 831 AM 153 15.5 80
Show 21492+5031 STF2832 BC 335 51.5 81
Show 21492+5031 STF2832 AB 213 13.2 81
Show 21492+5031 CTT 10 AD 104 125.2 81
Show 21492+5031 STF2832 AC 321 45.8 81
Show 21511+5040 ES 827 242 3.1 83
Show 22018+4918 BKO 906 AB 58 7.3 83
Show 22018+4918 FYM 294 AC 92 19.0 83
Show 21488+4810 KPP1210 256 9.4 85
Show 21448+4931 ARG 43 BC 91 6.9 85

 
 
WDS 21534+4921 : COMPONENTS
 
 
  A B
B pa=188.4°
sep=20.72"
 
C pa=190.3°
sep=16.04"
pa=1.9°
sep=4.72"
 
 
21534+4921 A
 
 
Coord arcsec 2000 215323.41+492048.8 Mag 9.43 Spectral class B8 (blue-white) PmRA -4.00
PmDE -2.0 HIP 108048 Tycho2 3612-02169-1 BD BD+48 3536
Tycho2
Tycho2 3612-02169-1 Pflag RAmdeg 328.34754127 DEmdeg 49.34687713
PmRA -1.3 PmDE -2.2 E RAmdeg 10 E DEmdeg 10
E pmRA 1.5 E pmDE 1.5 EpRAm 1990.81 EpDEm 1990.81
Num 7 Q RAmdeg 0.7 Q DEmdeg 0.7 Q pmRA 0.7
Q pmDE 0.7 BTmag 9.468 E BTmag 0.019 VTmag 9.428
E VTmag 0.019 Prox 207 TYC T HIP 108048
CCDM A RAdeg 328.34754639 DEdeg 49.34688278 EpRA 1990 1.65
EpDE 1990 1.74 E RAdeg 10.3 E DEdeg 10.1 Posflg
Corr 0.0
Hipparcos
Catalog H HIP 108048 Proxy RAhms 21 53 23.41
DEdms +49 20 48.8 Vmag 9.41 VarFlag 2 R Vmag H
RAdeg 328.348 DEdeg 49.3469 AstroRef A Plx 1.31
CCDM 21534+4921 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual D M HIP AB
Theta 188 Rho 20.702 HD BD BD+48 3536
CD CP Dm number +48 3536 VIred 0.06
SpType B8 R SpType Coord arcsec 2000 215323.41+492048.8
Hipparcos 2
HIP 108048 Sn 15 So 3 Nc 2
RArad 5.7307458989 DErad 0.8612655408 Plx 0.92 PmRA 0.25
PmDE -0.9 E RArad 1.44 E DErad 1.55 E Plx 1.86
E pmRA 1.66 E pmDE 1.65 Hpmag 9.4283 E Hpmag 0.0383
SHp 0.036 VA 0 BV 0.047 E BV 0.028
VI 0.06
CCDM
Ccdm 21534+4921 RComp Comp A Note1
Note2 Discov num DRAs -0.63 DDEs -10.7
R dRAs 10 Year Theta Rho
Obs 3 Vmag 9.3 Sp PmNote *
PmRA -5 PmDE 9 Dm number +48 3536 Cat1 BD
Name2 +49 1885 Cat2 AGK2/3 HD M HD
ADS BDS A15423 M ADS BDS N IDS IDS 21496N4852A
HIC 108048
 
 
21534+4921 B
 
 
Coord arcsec 2000 215323.10+492028.3 Coord calc 215323.10+492028.3 Mag 11.96 PmRA -6.00
PmDE -7.0 Calc delta mag 2.53
CCDM
Ccdm 21534+4921 RComp Comp B Note1
Note2 Discov num ES 524 DRAs DDEs
R dRAs Year 1907 Theta 189 Rho 20.4
Obs 1 Vmag 11.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A15423 M ADS BDS N IDS IDS 21496N4852B
HIC
 
 
21534+4921 C
 
 
Coord arcsec 2000 215323.12+492033.0 Mag 13.8 PmRA -30.00 PmDE 21.0
Calc delta mag 4.37 Calc coord yes
CCDM
Ccdm 21534+4921 RComp B Comp C Note1
Note2 Discov num ES 524 DRAs DDEs
R dRAs Year 1907 Theta 006 Rho 5.9
Obs 1 Vmag 13.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A15423 M ADS BDS N IDS IDS 21496N4852C
HIC