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Doubles in session


Current system
20581+3544
J 795 AB


Nearby doubles
2' : 20581+3547
J 796

13' : 20591+3542
SEI1345

16' : 20592+3541
TDT2674

17' : 20588+3530
SEI1342

19' : 20590+3541
GCB 61

19' : 20593+3554
SEI1350

23' : 20562+3538
HU 763

24' : 20561+3541
TDT2641

25' : 20596+3558
SEI1355

25' : 20560+3546
COU2134

26' : 21002+3547
POP 81

27' : 21003+3543
SEI1361

29' : 20584+3612
POP 82

29' : 20557+3540
SEI1316

29' : 20593+3520
TDT2676

34' : 20582+3510
COU1813

36' : 21001+3608
TDT2687

37' : 20599+3612
SEI1359

38' : 20562+3614
SEI1323

40' : 21011+3532
SEI1366

40' : 20562+3616
TOB 202

40' : 20577+3623
SEI1330

41' : 21000+3512
TDT2685

41' : 21013+3554
SEI1368

42' : 20551+3523
SEI1310

43' : 21012+3602
CLP 1AB



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.

20581+3544 J 795 AB

 
 
20h 58m 01.99s +35° 43' 42.3" P.A. 227.00 sep 2.8 mag 10.60,11.20
 
 
Coord 2000 20581+3544 Discov num J   795 Comp AB Coord arcsec 2000 20 58 01.99 +35 43 42.3
Date first 1912 Date last 2016 Obs 11
Pa first 220 Pa last 227.3 P.A. Now (θ) 227.3°
Sep first 2.5 Sep last 2.773 Sep. Now (ρ) 2.773"
Mag pri 10.60 Mag sec 11.20 delta mag (ΔM) 0.6 Spectral class
Pri motion ra +004 Sec motion ra
Pri motion dec -016 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20581+3544 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 58 02 +35 43 42 J 795 AB 2016 11 227 2.8 10.60 11.20 0.60 <===
Show 20 58 02 +35 43 42 J 795 AC 2015 8 311 14.0 10.60 13.00 2.40
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2700-00203-1 Gaia DR2 1869757082536451584
 
 
WDS 20581+3544 J 795 AB : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
J__1908 Ma - Jonckheere, R. 1908BuAsI..25..458J
J__1908 Bull. Astronomique 25, 458, 1908
J__1909a Ma - Jonckheere, R. ...................
J__1909a Journal Astronomique 1, no. 1, 1, 1909
J__1909b Ma - Jonckheere, R. ...................
J__1909b Journal Astronomique 1, no. 2, 1909
J__1909c Ma - Jonckheere, R. ...................
J__1909c Journal Astronomique 1, no. 3, 1909
J__1910a Ma j Jonckheere, R. ...................
J__1910a Journal Astronomique 1, no. 4, 25, 1910
J__1910b Ma - Jonckheere, R. ...................
J__1910b Journal Astronomique 1, no. 5, 1910
J__1910c Ma j Jonckheere, R. ...................
J__1910c Journal Astronomique 1, no. 7, 1910
J__1910d Ma - Jonckheere, R. ...................
J__1910d Journal Astronomique 1, no. 7, 1910
J__1910e Ma j Jonckheere, R. ...................
J__1910e Journal Astronomique 1, no. 7, 1910
J__1910f Ma j Jonckheere, R. ...................
J__1910f Journal Astronomique 1, no. 10, 77, 1910
J__1910g Ma - Jonckheere, R. ...................
J__1910g Journal Astronomique 1, no. 11, 81, 1910
J__1910h Ma j Jonckheere, R. ...................
J__1910h Journal Astronomique 1, no. 12, 89, 1910
J__1910i Ma j Jonckheere, R. ...................
J__1910i Journal Astronomique 1, no. 13, 98, 1910
J__1911a Ma - Jonckheere, R. ...................
J__1911a Journal Astronomique 1, no. 15, 114, 1911
J__1911b Ma j Jonckheere, R. ...................
J__1911b Journal Astronomique 1, no. 16, 121, 1911
J__1911c Ma j Jonckheere, R. 1911MNRAS..71..750J
J__1911c MNRAS 71, 750, 1911
J__1911d Ma - Jonckheere, R. 1911MNRAS..72...45J
J__1911d MNRAS 72, 45, 1911
J__1911e Ma - Jonckheere, R. 1911MNRAS..72..156J
J__1911e MNRAS 72, 156, 1911
J__1911f Ma j Jonckheere, R. 1911MNRAS..72..162J
J__1911f MNRAS 72, 162, 1911
J__1912a Ma j Jonckheere, R. 1912MNRAS..72..188J
J__1912a MNRAS 72, 188, 1912
J__1912b Ma j Jonckheere, R. ...................
J__1912b Journal Astronomique 1, no. 17, 129, 1912
J__1912c Ma - Jonckheere, R. ...................
J__1912c Journal Astronomique 1, no. 19, 134, 1912
J__1912d Ma j Jonckheere, R. ...................
J__1912d Journal Astronomique 1, no. 21, 145, 1912
J__1912e Ma - Jonckheere, R. ...................
J__1912e Journal Astronomique 1, no. 22, 148, 1912
J__1912f Ma j Jonckheere, R. ...................
J__1912f Journal Astronomique 1, no. 23, 150, 1912
J__1912g Ma j Jonckheere, R. ...................
J__1912g Journal Astronomique 2, no. 25, 1, 1912
J__1912h Ma - Jonckheere, R. ...................
J__1912h Journal Astronomique 2, no. 26, 5, 1912
J__1913a Ma j Jonckheere, R. ...................
J__1913a Journal Astronomique 2, no. 27, 9, 1913
J__1913b Ma j Jonckheere, R. ...................
J__1913b Journal Astronomique 2, no. 28, 13, 1913
J__1914 Ma - Jonckheere, R. ...................
J__1914 Journal Astronomique 2, no. 29, 18, 1914
J__1917a Ma - Jonckheere, R. 1917MmRAS..61....1J
J__1917a MemRAS 61, 1, 1917
J__1917c Ma j Jonckheere, R. 1917AJ.....31....1J
J__1917c AJ 31, 1, 1917
J__1918 Ma - Jonckheere, R. 1918AJ.....31..113J
J__1918 AJ 31, 113, 1918
J__1918b Ma j Jonckheere, R. 1918MNRAS..78..479J
J__1918b MNRAS 78, 479, 1918
J__1919 Ma j Jonckheere, R. 1919AJ.....32...65J
J__1919 AJ 32, 65, 1919
J__1920 Ma - Jonckheere, R. 1920AJ.....32..166J
J__1920 AJ 32, 166, 1920
J__1924 Ma - Jonckheere, R. 1924AJ.....35..173J
J__1924 +Mb AJ 35, 173, 1924
J__1930 Ma j Jonckheere, R. 1930JO.....13...76J
J__1930 J. Obs. 13, 76, 1930
J__1941a Ma - Jonckheere, R. 1941JO.....24...21J
J__1941a J. Obs. 24, 21, 1941
J__1941b Ma - Jonckheere, R. 1941JO.....24...69J
J__1941b +Mb J. Obs. 24, 69, 1941
J__1941c Ma - Jonckheere, R. 1941JO.....24...93J
J__1941c +Mb J. Obs. 24, 93, 1941
J__1941d Ma - Jonckheere, R. 1941JO.....24..114J
J__1941d +Mb J. Obs. 24, 114, 1941
J__1942a Ma - Jonckheere, R. 1942JO.....25...11J
J__1942a J. Obs. 25, 11, 1942
J__1942b Ma - Jonckheere, R. 1942JO.....25...15J
J__1942b J. Obs. 25, 15, 1942
J__1942c Ma - Jonckheere, R. 1942JO.....25...25J
J__1942c +Mb J. Obs. 25, 25, 1942
J__1942d Mb - Jonckheere, R. 1942JO.....25...78J
J__1942d J. Obs. 25, 78, 1942
J__1943 Ma - Jonckheere, R. 1943JO.....26...28J
J__1943 +Mb J. Obs. 26, 28, 1943
J__1944a Ma j Jonckheere, R. 1944JO.....27....1J
J__1944a +Mb J. Obs. 27, 1, 1944
J__1944b Ma - Jonckheere, R. 1944JO.....27....5J
J__1944b J. Obs. 27, 5, 1944
J__1944c Mb - Jonckheere, R. 1944JO.....27....6J
J__1944c J. Obs. 27, 6, 1944
J__1944d Ma j Jonckheere, R. 1944JO.....27....7J
J__1944d +Mb J. Obs. 27, 7, 1944
J__1944e Ma - Jonckheere, R. 1944JO.....27...11J
J__1944e J. Obs. 27, 11, 1944
J__1945 Ma - Jonckheere, R. 1945JO.....28...26J
J__1945 +Mb J. Obs. 28, 26, 1945
J__1946 Mb j Jonckheere, R. 1946JO.....29...49J
J__1946 J. Obs. 29, 49, 1946
J__1948 Ma j Jonckheere, R. 1948JO.....31...65J
J__1948 J. Obs. 31, 65, 1948
J__1949a Ma j Jonckheere, R. 1949JO.....32...13J
J__1949a +Mb J. Obs. 32, 13, 1949
J__1949b Ma j Jonckheere, R. 1949JO.....32...81J
J__1949b +Mb J. Obs. 32, 81, 1949
J__1952 M+ j Jonckheere, R. 1952JO.....35...37J
J__1952 +Pa J. Obs. 35, 37, 1952
J__1953a Ma - Jonckheere, R. 1953JO.....36...44J
J__1953a J. Obs. 36, 44, 1953
J__1953b Mb j Jonckheere, R. 1953JO.....36...49J
J__1953b J. Obs. 36, 49, 1953
J__1954 Mb j Jonckheere, R. 1954JO.....37...13J
J__1954 J. Obs. 37, 13, 1954
J__1955 Mb - Jonckheere, R. 1955JO.....38..254J
J__1955 J. Obs. 38, 254, 1955
J__1957 Mb j Jonckheere, R. 1957JO.....40....1J
J__1957 J. Obs. 40, 1, 1957
J__1958 Mb j Jonckheere, R. 1958JO.....41..145J
J__1958 J. Obs. 41, 145, 1958
J__1962a M+ j Jonckheere, R. 1962QB821.J64......
J__1962a +Pa General Cat. of Double Stars, Marseille, 1962
J__1962b Ma - Jonckheere, R. (measure by Vanderdonck, J.) 1962QB821.J64......
J__1962b General Cat. of Double Stars, Marseille, 1962
J__1963A - Jonckheere, R. 1963icvd.book.....J
J__1963A cited in IDS (Lick Index Cat.), 1963
J__9999 Ma - Jonckheere, R. ...................
J__9999 +Pp Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20581+3544 J 795 AB 2002 7 228 2.8 11.10 11.70 205801.99+354342.3
20581+3544 J 795 AB 2015 9 227 2.8 10.60 11.20 205801.99+354342.3
20581+3544 J 795 AB 2016 11 227 2.8 10.60 11.20 205801.99+354342.3

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

 
 
WDS 20581+3544 J 795 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20581+3544 J 795 AB : MEASURES
 
 
No records found.

 
 
WDS 20581+3544 : VIRTUAL EYEPIECE
 
 

20581+3544 J 795A mag 10.6 20581+3544 J 795B sep 2.5 P.A. 221.30 mag 11.2 20581+3544 J 795C sep 12.6 P.A. 317.40 mag 13 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 20581+3544 : ALADIN DSS IMAGE @ 20h 58m 01.99s +35° 43' 42.3"
 
 
 
 
WDS 20581+3544 J 795 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20581+3544 J 795AB distance=0' 20581+3547 J 796 distance=2' 20591+3542 SEI1345 distance=13' 20592+3541 TDT2674 distance=16' 20588+3530 SEI1342 distance=17' 20590+3541 GCB 61 distance=19' 20593+3554 SEI1350 distance=19' 20562+3538 HU 763 distance=23' 20561+3541 TDT2641 distance=24' 20596+3558 SEI1355 distance=25' 20560+3546 COU2134 distance=25' 21002+3547 POP 81 distance=26' 21003+3543 SEI1361 distance=27' 20584+3612 POP 82 distance=29' 20557+3540 SEI1316 distance=29' 20593+3520 TDT2676 distance=29' 20582+3510 COU1813 distance=34' 21001+3608 TDT2687 distance=36' 20599+3612 SEI1359 distance=37' 20562+3614 SEI1323 distance=38' 21011+3532 SEI1366 distance=40' 20562+3616 TOB 202 distance=40' 20577+3623 SEI1330 distance=40' 21000+3512 TDT2685 distance=41' 21013+3554 SEI1368 distance=41' 20551+3523 SEI1310 distance=42' 21012+3602 CLP 1AB distance=43' 21012+3602 CLP 1BC distance=44' 21002+3620 TDT2689 distance=45' 20594+3626 HU 764 distance=46' 20542+3528 GRV 394 distance=49' 20573+3632 SEI1328 distance=50' 21001+3627 J 1219 distance=50' 20563+3634 SEI1324 distance=55' 20594+3637 SEI1352 distance=57' 20535+3534 SEI1295 distance=57' 20536+3605 SEI1297 distance=58' 20579+3641 SEI1335 distance=58' 21028+3534 BTG 6BC distance=59' 21028+3534 BTG 6BD distance=59' 21028+3534 SEI1375AB distance=59' 21028+3534 SEI1376AC distance=59' 21029+3554 J 1078AB distance=60' 21029+3554 J 1078AC distance=60' 20575+3643 SEI1329 distance=60' 20544+3625 POP 157 distance=61' 20587+3644 ES 251 distance=62' 21030+3549 SEI1378 distance=62' 20537+3512 SEI1298 distance=62' 20536+3514 HO 146 distance=63' 20538+3622 SEI1302 distance=64' 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 20581+3544 J 795 AB 227 2.8
Show 20581+3544 J 795 AC 311 14.0
Show 20581+3547 J 796 200 3.7 2
Show 20591+3542 SEI1345 174 20.2 13
Show 20592+3541 TDT2674 340 0.9 16
Show 20588+3530 SEI1342 100 4.1 17
Show 20590+3541 GCB 61 252 5.9 19
Show 20593+3554 SEI1350 48 28.1 19
Show 20562+3538 HU 763 329 1.5 23
Show 20561+3541 TDT2641 50 1.7 24
Show 20596+3558 SEI1355 344 4.2 25
Show 20560+3546 COU2134 264 0.6 25
Show 21002+3547 POP 81 204 5.9 26
Show 21003+3543 SEI1361 281 20.8 27
Show 20584+3612 POP 82 25 5.5 29
Show 20557+3540 SEI1316 24 12.3 29
Show 20593+3520 TDT2676 23 0.8 29
Show 20582+3510 COU1813 313 1.2 34
Show 21001+3608 TDT2687 356 1.5 36
Show 20599+3612 SEI1359 108 16.5 37
Show 20562+3614 SEI1323 169 21.2 38
Show 21011+3532 SEI1366 279 22.9 40
Show 20562+3616 TOB 202 179 18.1 40
Show 20577+3623 SEI1330 51 14.2 40
Show 21000+3512 TDT2685 137 0.7 41
Show 21013+3554 SEI1368 57 13.3 41
Show 20551+3523 SEI1310 281 29.3 42
Show 21012+3602 CLP 1 AB 39 74.3 43
Show 21012+3602 CLP 1 BC 150 267.2 44
Show 21002+3620 TDT2689 244 2.3 45
Show 20594+3626 HU 764 190 0.4 46
Show 20542+3528 GRV 394 6 71.0 49
Show 20573+3632 SEI1328 234 7.9 50
Show 21001+3627 J 1219 171 3.6 50
Show 20563+3634 SEI1324 92 19.3 55
Show 20594+3637 SEI1352 354 14.6 57
Show 20535+3534 SEI1295 32 9.6 57
Show 20536+3605 SEI1297 270 18.6 58
Show 20579+3641 SEI1335 28 18.2 58
Show 21028+3534 BTG 6 BC 235 10.6 59
Show 21028+3534 BTG 6 BD 274 15.9 59
Show 21028+3534 SEI1375 AB 339 6.5 59
Show 21028+3534 SEI1376 AC 270 11.1 59
Show 21029+3554 J 1078 AB 112 2.7 60
Show 21029+3554 J 1078 AC 137 24.4 60
Show 20575+3643 SEI1329 30 24.7 60
Show 20544+3625 POP 157 224 3.0 61
Show 20587+3644 ES 251 141 6.6 62
Show 21030+3549 SEI1378 222 29.0 62
Show 20537+3512 SEI1298 15 28.2 62
Show 20536+3514 HO 146 46 0.4 63

 
 
WDS 20581+3544 : COMPONENTS
 
 
  A B
B pa=221.3°
sep=2.50"
 
C pa=317.4°
sep=12.57"
pa=328.3°
sep=13.07"
 
 
20581+3544 A
 
 
Coord arcsec 2000 205801.99+354342.3 Mag 10.6 PmRA 4.00 PmDE -16.0
 
 
20581+3544 B
 
 
Coord arcsec 2000 205801.85+354340.4 Mag 11.2 Tycho2 2700-00203-1 Calc delta mag 0.6
Calc coord yes
Tycho2
Tycho2 2700-00203-1 Pflag RAmdeg 314.50829136 DEmdeg 35.72842659
PmRA 2.9 PmDE -15.2 E RAmdeg 38 E DEmdeg 33
E pmRA 2.3 E pmDE 2.2 EpRAm 1987.81 EpDEm 1988.77
Num 4 Q RAmdeg 0.4 Q DEmdeg 0.8 Q pmRA 0.4
Q pmDE 0.8 BTmag 11.579 E BTmag 0.059 VTmag 10.947
E VTmag 0.055 Prox 999 TYC T HIP
CCDM RAdeg 314.50828250 DEdeg 35.72846083 EpRA 1990 1.60
EpDE 1990 1.75 E RAdeg 38.9 E DEdeg 33.6 Posflg D
Corr 0.1
 
 
20581+3544 C
 
 
Coord arcsec 2000 205801.29+354351.5 Mag 13 PmRA -4.00 PmDE 2.0
Calc delta mag 2.4 Calc coord yes