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Current system
21166+3018
J 3131 AB


Nearby doubles
20' : 21167+3001
MLB1091

21' : 21169+3001
MLB 538AB

25' : 21155+3042
KPP 488

26' : 21156+2957
TDT2864

26' : 21167+2955
TDT2878

27' : 21149+3037
BRT 287

29' : 21182+3035
HO 154AB

29' : 21161+2951
LDS1053AB

33' : 21162+2948
TDT2872

34' : 21153+3051
GRV 439

37' : 21180+3049
COU1183

37' : 21185+3037
FYM 538AB

40' : 21145+3052
TDT2850

45' : 21129+3014
BUP 227AB

47' : 21142+3058
COU 834

53' : 21162+2928
J 1784

55' : 21155+3114
TDT2862

56' : 21133+3100
BRT 286

59' : 21129+2944
MLB 667

62' : 21117+3038
J 1235

64' : 21115+3033
ALD 5

66' : 21150+2917
GRV 438

68' : 21176+2915
COU 835AB

68' : 21212+3044
TDT2914

70' : 21118+2943
HAU 27

71' : 21205+3107
J 3135



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.

21166+3018 J 3131 AB

 
 
21h 16m 19.01s +30° 20' 27.8" P.A. 253.00 sep 24.6 mag 11.80,13.40
 
 
Coord 2000 21166+3018 Discov num J  3131 Comp AB Coord arcsec 2000 21 16 19.01 +30 20 27.8
Date first 1944 Date last 2015 Obs 7
Pa first 250 Pa last 252.9 P.A. Now (θ) 252.9°
Sep first 25.0 Sep last 24.633 Sep. Now (ρ) 24.633"
Mag pri 11.80 Mag sec 13.40 delta mag (ΔM) 1.6 Spectral class
Pri motion ra +002 Sec motion ra +012
Pri motion dec -004 Sec motion dec +003
Notes
rPM=0.987
This double is not physical.
 
 
21166+3018 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 16 19 +30 20 28 J 3131 AB 2015 7 253 24.6 11.80 13.40 1.60 <===
Show 21 16 17 +30 20 20 J 3131 BC 2015 7 229 5.5 13.40 14.90 1.50
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2702-00663-1 Gaia DR2 1851985813525854464
 
 
WDS 21166+3018 J 3131 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
21166+3018 J 3131 AB 1944 1 250 25.0 12.10 12.52 211619.01+302027.8
21166+3018 J 3131 AB 1998 2 253 24.8 12.10 12.52 D 211619.01+302027.8
21166+3018 J 3131 AB 2002 3 253 24.8 12.10 12.52 D 211619.01+302027.8
21166+3018 J 3131 AB 2015 4 253 24.6 11.80 13.40 211619.01+302027.8

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

 
 
WDS 21166+3018 J 3131 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21166+3018 J 3131 AB : MEASURES
 
 
No records found.

 
 
WDS 21166+3018 : VIRTUAL EYEPIECE
 
 

21166+3018 J 3131A mag 11.8 21166+3018 J 3131B sep 25.7 P.A. 252.80 mag 13.4 21166+3018 J 3131C sep 30.3 P.A. 248.30 mag 14.9 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 21166+3018 : ALADIN DSS IMAGE @ 21h 16m 19.01s +30° 20' 27.8"
 
 
 
 
WDS 21166+3018 J 3131 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21166+3018 J 3131AB distance=1' 21166+3018 J 3131BC distance=1' 21167+3001 MLB1091 distance=20' 21169+3001 MLB 538AB distance=21' 21169+3001 DAM 227AC distance=21' 21155+3042 KPP 488 distance=25' 21156+2957 TDT2864 distance=26' 21167+2955 TDT2878 distance=26' 21149+3037 BRT 287 distance=27' 21182+3035 POP 228NK distance=28' 21182+3035 HO 154AB distance=29' 21182+3035 POP 228AC distance=29' 21182+3035 NOV 1AD distance=29' 21182+3035 POP 228AN distance=29' 21182+3035 NOV 1AX distance=29' 21161+2951 LDS1053AB distance=29' 21161+2951 BWL 56Aa,Ab distance=29' 21161+2951 BWL 56AC distance=29' 21161+2951 BWL 56AD distance=29' 21161+2951 BWL 56AE distance=29' 21182+3035 NOV 1XL distance=29' 21182+3035 NOV 1XQ distance=29' 21182+3035 NOV 1XY distance=29' 21182+3035 NOV 1XZ distance=29' 21161+2951 BWL 56BF distance=29' 21162+2948 TDT2872 distance=33' 21153+3051 GRV 439 distance=34' 21180+3049 COU1183 distance=37' 21185+3037 FYM 538BC distance=37' 21185+3037 FYM 538AB distance=37' 21145+3052 TDT2850 distance=40' 21129+3014 BAS 7Aa,Ab distance=45' 21129+3014 BUP 227AB distance=45' 21129+3014 BUP 227AC distance=45' 21129+3014 BUP 227AD distance=45' 21129+3014 FYM 141AE distance=45' 21129+3014 FYM 141AF distance=45' 21129+3014 FYM 141AG distance=45' 21142+3058 COU 834 distance=47' 21162+2928 J 1784 distance=53' 21155+3114 TDT2862 distance=55' 21133+3100 BRT 286 distance=56' 21129+2944 MLB 667 distance=59' 21117+3038 J 1235 distance=62' 21115+3033 ALD 5 distance=64' 21150+2917 GRV 438 distance=66' 21176+2915 COU 835AB distance=68' 21176+2915 COU 835AC distance=68' 21212+3044 TDT2914 distance=68' 21118+2943 HAU 27 distance=70' 21205+3107 J 3135 distance=71' 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 21166+3018 J 3131 AB 253 24.6 1
Show 21166+3018 J 3131 BC 229 5.5 1
Show 21167+3001 MLB1091 170 10.4 20
Show 21169+3001 MLB 538 AB 310 3.2 21
Show 21169+3001 DAM 227 AC 26 8.2 21
Show 21155+3042 KPP 488 119 3.6 25
Show 21156+2957 TDT2864 100 0.9 26
Show 21167+2955 TDT2878 10 0.6 26
Show 21149+3037 BRT 287 197 6.2 27
Show 21182+3035 POP 228 NK 64 6.5 28
Show 21182+3035 HO 154 AB 211 3.6 29
Show 21182+3035 POP 228 AC 139 9.0 29
Show 21182+3035 NOV 1 AD 162 21.4 29
Show 21182+3035 POP 228 AN 262 64.2 29
Show 21182+3035 NOV 1 AX 142 186.7 29
Show 21161+2951 LDS1053 AB 259 26.0 29
Show 21161+2951 BWL 56 Aa,Ab 163 0.1 29
Show 21161+2951 BWL 56 AC 77 3.4 29
Show 21161+2951 BWL 56 AD 200 2.6 29
Show 21161+2951 BWL 56 AE 226 4.4 29
Show 21182+3035 NOV 1 XL 89 32.2 29
Show 21182+3035 NOV 1 XQ 134 29.2 29
Show 21182+3035 NOV 1 XY 206 14.1 29
Show 21182+3035 NOV 1 XZ 57 18.3 29
Show 21161+2951 BWL 56 BF 233 3.5 29
Show 21162+2948 TDT2872 163 0.7 33
Show 21153+3051 GRV 439 127 21.5 34
Show 21180+3049 COU1183 16 0.3 37
Show 21185+3037 FYM 538 BC 218 5.7 37
Show 21185+3037 FYM 538 AB 192 7.0 37
Show 21145+3052 TDT2850 173 2.7 40
Show 21129+3014 BAS 7 Aa,Ab 246 0.0 45
Show 21129+3014 BUP 227 AB 205 65.2 45
Show 21129+3014 BUP 227 AC 300 91.5 45
Show 21129+3014 BUP 227 AD 63 105.3 45
Show 21129+3014 FYM 141 AE 76 42.8 45
Show 21129+3014 FYM 141 AF 267 63.6 45
Show 21129+3014 FYM 141 AG 97 70.7 45
Show 21142+3058 COU 834 77 7.9 47
Show 21162+2928 J 1784 338 5.0 53
Show 21155+3114 TDT2862 305 0.5 55
Show 21133+3100 BRT 286 250 6.6 56
Show 21129+2944 MLB 667 30 2.4 59
Show 21117+3038 J 1235 184 2.8 62
Show 21115+3033 ALD 5 153 3.7 64
Show 21150+2917 GRV 438 8 15.2 66
Show 21176+2915 COU 835 AB 238 0.4 68
Show 21176+2915 COU 835 AC 247 12.3 68
Show 21212+3044 TDT2914 17 2.0 68
Show 21118+2943 HAU 27 297 50.0 70
Show 21205+3107 J 3135 97 4.0 71

 
 
WDS 21166+3018 : COMPONENTS
 
 
  A B
B pa=252.8°
sep=25.74"
 
C pa=248.3°
sep=30.31"
pa=224.9°
sep=5.06"
 
 
21166+3018 A
 
 
Coord arcsec 2000 211619.01+302027.8 Mag 11.8 PmRA 2.00 PmDE -4.0
Tycho2 2702-00663-1
Tycho2
Tycho2 2702-00663-1 Pflag RAmdeg 319.07921539 DEmdeg 30.34107624
PmRA 0.8 PmDE -0.9 E RAmdeg 78 E DEmdeg 74
E pmRA 3.9 E pmDE 3.8 EpRAm 1986.77 EpDEm 1987.05
Num 2 Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 13.651 E BTmag 0.270 VTmag 12.105
E VTmag 0.130 Prox 999 TYC HIP
CCDM RAdeg 319.07921333 DEdeg 30.34107833 EpRA 1990 1.43
EpDE 1990 1.52 E RAdeg 79.6 E DEdeg 76.0 Posflg
Corr 0.0
 
 
21166+3018 B
 
 
Coord arcsec 2000 211617.11+302020.2 Coord calc 211617.11+302020.2 Mag 13.4 PmRA 12.00
PmDE 3.0 Calc delta mag 1.6
 
 
21166+3018 C
 
 
Coord arcsec 2000 211616.83+302016.6 Mag 14.9 Calc delta mag 3.1 Calc coord yes