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Doubles in session


Current system
21577+4356
BTG 9 AD


Nearby doubles
14' : 21590+4357
TDT3274

29' : 21584+4423
LYS 11

30' : 21550+4404
BRT1153

31' : 22005+4355
SMA 159

32' : 21553+4413
BRT1154AB

34' : 21582+4428
SMA 154

34' : 22006+4406
LYS 13

35' : 22008+4405
TDT3290

35' : 21545+4403
A 620

36' : 21545+4405
TDT3229

40' : 22009+4338
HO 175AB

47' : 21586+4442
ES 683

50' : 21594+4310
KPP4260

52' : 22011+4431
GRV 530

54' : 21531+4339
TDT3215

54' : 22021+4421
MET 93AB

56' : 21548+4310
TDT3234

57' : 22027+4339
TDT3305

57' : 21576+4452
SMA 153

57' : 21532+4324
GRV 517

58' : 22027+4415
TDT3304

61' : 21525+4332
TDT3212

63' : 21541+4307
POP 184

64' : 22036+4359
CBL 537

69' : 22012+4452
LYS 15AB

69' : 21598+4501
A 776



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.

21577+4356 BTG 9 AD

 
 
21h 57m 41.80s +43° 55' 41.0" P.A. 86.00 sep 38.1 mag 12.24,14.07
 
 
Coord 2000 21577+4356 Discov num BTG   9 Comp AD Coord arcsec 2000 21 57 41.80 +43 55 41.0
Date first 2000 Date last 2015 Obs 7
Pa first 86 Pa last 86.1 P.A. Now (θ) 86.1°
Sep first 38.1 Sep last 38.075 Sep. Now (ρ) 38.075"
Mag pri 12.24 Mag sec 14.07 delta mag (ΔM) 1.83 Spectral class
Pri motion ra -006 Sec motion ra -010
Pri motion dec +008 Sec motion dec -003
Notes
rPM=1.121
This double is not physical.
 
 
21577+4356 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 57 42 +43 55 41 J 3155 AB 2015 10 131 5.8 12.20 12.50 0.30
Show 21 57 42 +43 55 41 J 3155 AC 2015 7 348 9.9 12.20 15.00 2.80
Show 21 57 42 +43 55 41 BTG 9 AD 2015 7 86 38.1 12.24 14.07 1.83 <===
Show 21 57 42 +43 55 41 MAY 9004 AE 2015 7 284 8.5 12.20 15.60 3.40
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 1961202670041029120
 
 
WDS 21577+4356 BTG 9 AD : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Btg2007 C u Bertoglio, A. 2007JDSO....3..128B
Btg2007 JDSO 3, 128, 2007
Btg2010 C u Bertoglio, A. 2010JDSO....6..116B
Btg2010 JDSO 6, 116, 2010
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.
May1997 C u Mauroy, P. & Mauroy, F. 2000O&T....52...47M
May1997 Obs. et Travaux 52, 47, 1997
May2003 Z j Mauroy, P. & Mauroy, F. ...................
May2003 OAG Gen. Cat. 10,000 vis. double star meas. 1970-2003 (J2000.0), 2003
May2005 C j Mauroy, F. & Mauroy, P. 2005O&T....61...10M
May2005 Obs. et Travaux 61, 10, 2005
May2006 C - Mauroy, F. & Mauroy, P. 2006O&T....63....6M
May2006 Obs. et Travaux 63, 6, 2006
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21577+4356 BTG 9 AD 2007 1 86 38.0 11.40 13.00 215741.80+435541.0
21577+4356 BTG 9 AD 2015 4 86 38.1 12.24 14.07 215741.80+435541.0

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

 
 
WDS 21577+4356 BTG 9 AD : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21577+4356 BTG 9 AD : MEASURES
 
 
No records found.

 
 
WDS 21577+4356 : VIRTUAL EYEPIECE
 
 

21577+4356 J 3155A mag 12.2 21577+4356 J 3155B sep 5.0 P.A. 140.30 mag 12.5 21577+4356 J 3155C sep 9.8 P.A. 351.10 mag 15 21577+4356 BTG 9D sep 27.5 P.A. 84.60 mag 14.07 21577+4356 MAY9004E sep 6.3 P.A. 289.20 mag 15.6 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 21577+4356 : ALADIN DSS IMAGE @ 21h 57m 41.80s +43° 55' 41.0"
 
 
 
 
WDS 21577+4356 BTG 9 AD : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21577+4356 BTG 9AD distance=0' 21590+4357 TDT3274 distance=14' 21584+4423 LYS 11 distance=29' 21550+4404 BRT1153 distance=30' 22005+4355 SMA 159 distance=31' 21553+4413 BRT1154AB distance=32' 21553+4413 WSI 34AC distance=32' 21582+4428 SMA 154 distance=34' 22006+4406 LYS 13 distance=34' 22008+4405 TDT3290 distance=35' 21545+4403 A 620 distance=35' 21545+4405 TDT3229 distance=36' 22009+4338 HO 175AB distance=40' 22009+4338 HO 175AC distance=40' 21586+4442 ES 683 distance=47' 21594+4310 KPP4260 distance=50' 22011+4431 GRV 530 distance=52' 21531+4339 TDT3215 distance=54' 22021+4421 MET 93AB distance=54' 22021+4421 MET 93AC distance=54' 22021+4421 MET 93AD distance=54' 22021+4421 MET 93AE distance=54' 21548+4310 TDT3234 distance=56' 22027+4339 TDT3305 distance=57' 21576+4452 SMA 153 distance=57' 21532+4324 GRV 517 distance=57' 22027+4415 TDT3304 distance=58' 21525+4332 TDT3212 distance=61' 21541+4307 POP 184 distance=63' 22036+4359 CBL 537 distance=64' 22012+4452 LYS 15AB distance=69' 22012+4452 LYS 15AC distance=69' 22012+4452 LYS 15AD distance=69' 22012+4452 LYS 15AE distance=69' 22012+4452 LYS 15AF distance=69' 21598+4501 A 776 distance=69' 22029+4439 BU 694AB distance=72' 22029+4439 BU 694AC distance=72' 22029+4439 BU 694AD distance=72' 22029+4439 BU 694AE distance=72' 22007+4500 LYS 14 distance=72' 21539+4256 ES 1461 distance=72' 22018+4259 TDT3297 distance=73' 21561+4506 BRT1155 distance=73' 21521+4313 TDT3204 distance=75' 21513+4428 TDT3195 distance=76' 21519+4441 TDT3200 distance=77' 21509+4419 HJ 1700 distance=78' 21556+4241 KPP4258 distance=79' 22041+4437 LYS 18AB distance=81' 22041+4437 LYS 18AC distance=81' 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 21577+4356 J 3155 AB 131 5.8
Show 21577+4356 J 3155 AC 348 9.9
Show 21577+4356 BTG 9 AD 86 38.1
Show 21577+4356 MAY9004 AE 284 8.5
Show 21590+4357 TDT3274 127 0.7 14
Show 21584+4423 LYS 11 55 12.1 29
Show 21550+4404 BRT1153 66 4.8 30
Show 22005+4355 SMA 159 232 8.5 31
Show 21553+4413 BRT1154 AB 292 5.3 32
Show 21553+4413 WSI 34 AC 346 9.1 32
Show 21582+4428 SMA 154 161 11.1 34
Show 22006+4406 LYS 13 179 8.7 34
Show 22008+4405 TDT3290 353 1.5 35
Show 21545+4403 A 620 285 0.4 35
Show 21545+4405 TDT3229 324 0.5 36
Show 22009+4338 HO 175 AB 323 0.8 40
Show 22009+4338 HO 175 AC 285 33.7 40
Show 21586+4442 ES 683 249 9.3 47
Show 21594+4310 KPP4260 80 1.6 50
Show 22011+4431 GRV 530 214 71.2 52
Show 21531+4339 TDT3215 110 0.8 54
Show 22021+4421 MET 93 AB 318 6.2 54
Show 22021+4421 MET 93 AC 72 8.2 54
Show 22021+4421 MET 93 AD 4 8.8 54
Show 22021+4421 MET 93 AE 211 10.3 54
Show 21548+4310 TDT3234 343 2.0 56
Show 22027+4339 TDT3305 359 1.7 57
Show 21576+4452 SMA 153 26 10.2 57
Show 21532+4324 GRV 517 212 45.9 57
Show 22027+4415 TDT3304 331 0.6 58
Show 21525+4332 TDT3212 39 1.7 61
Show 21541+4307 POP 184 241 11.6 63
Show 22036+4359 CBL 537 86 13.3 64
Show 22012+4452 LYS 15 AB 209 17.3 69
Show 22012+4452 LYS 15 AC 281 73.4 69
Show 22012+4452 LYS 15 AD 286 36.3 69
Show 22012+4452 LYS 15 AE 265 43.7 69
Show 22012+4452 LYS 15 AF 269 17.9 69
Show 21598+4501 A 776 294 3.8 69
Show 22029+4439 BU 694 AB 8 1.0 72
Show 22029+4439 BU 694 AC 312 66.9 72
Show 22029+4439 BU 694 AD 337 26.8 72
Show 22029+4439 BU 694 AE 285 26.1 72
Show 22007+4500 LYS 14 56 11.1 72
Show 21539+4256 ES 1461 352 6.1 72
Show 22018+4259 TDT3297 31 0.7 73
Show 21561+4506 BRT1155 101 4.2 73
Show 21521+4313 TDT3204 30 0.9 75
Show 21513+4428 TDT3195 203 1.9 76
Show 21519+4441 TDT3200 210 0.5 77
Show 21509+4419 HJ 1700 197 9.7 78

 
 
WDS 21577+4356 : COMPONENTS
 
 
  A B C D
B pa=140.3°
sep=4.97"
 
C pa=351.1°
sep=9.78"
pa=340.8°
sep=14.27"
 
D pa=84.6°
sep=27.48"
pa=75.1°
sep=25.02"
pa=103.8°
sep=29.72"
 
E pa=289.2°
sep=6.29"
pa=302.9°
sep=10.86"
pa=210.3°
sep=8.79"
pa=269.1°
sep=33.30"
 
 
21577+4356 A
 
 
Coord arcsec 2000 215741.80+435541.0 Mag 12.2 PmRA -6.00 PmDE 8.0
 
 
21577+4356 B
 
 
Coord arcsec 2000 215742.09+435537.2 Mag 12.5 PmRA -3.00 PmDE -4.0
Calc delta mag 0.3 Calc coord yes
 
 
21577+4356 C
 
 
Coord arcsec 2000 215741.66+435550.7 Mag 15 PmRA -27.00 PmDE 88.0
Calc delta mag 2.8 Calc coord yes
 
 
21577+4356 D
 
 
Coord arcsec 2000 215744.33+435543.6 Mag 14.07 PmRA -10.00 PmDE -3.0
Calc delta mag 1.87 Calc coord yes
 
 
21577+4356 E
 
 
Coord arcsec 2000 215741.25+435543.1 Mag 15.6 Calc delta mag 3.4 Calc coord yes