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Doubles in session


Current system
20414+2500
J 512
HD 340978


Nearby doubles
3' : 20415+2459
POU4874

6' : 20418+2502
POU4880AB

9' : 20420+2501
POU4889

10' : 20408+2505
POU4854

10' : 20416+2510
POU4875

12' : 20409+2510
POU4857

13' : 20420+2452
POU4886AB

13' : 20420+2510
POU4888

13' : 20413+2513
POU4869

13' : 20417+2449
POU4877AB

14' : 20423+2457
POU4897

14' : 20410+2449
POU4865

14' : 20424+2506
POU4898AB

14' : 20412+2448
POU4868

15' : 20419+2448
POU4881

15' : 20425+2503
TDT2485

16' : 20403+2501
POU4843

17' : 20425+2508
POU4901

17' : 20420+2516
POU4890

18' : 20426+2509
POU4904

18' : 20403+2510
POU4846

19' : 20405+2448
POU4850

19' : 20403+2451
POU4845

19' : 20401+2458
POU4840

19' : 20425+2451
POU4903

19' : 20400+2503
POU4833



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.

20414+2500 J 512 (HD 340978)

 
 
20h 41m 26.48s +25° 01' 22.7" P.A. 89.00 sep 2.4 mag 12.00,12.30 Sp G0
 
 
Coord 2000 20414+2500 Discov num J   512 Comp Coord arcsec 2000 20 41 26.48 +25 01 22.7
Date first 1911 Date last 2016 Obs 10
Pa first 90 Pa last 88.6 P.A. Now (θ) 88.6°
Sep first 1.4 Sep last 2.372 Sep. Now (ρ) 2.372"
Mag pri 12.00 Mag sec 12.30 delta mag (ΔM) 0.3 Spectral class G0 (yellow)
Pri motion ra -008 Sec motion ra
Pri motion dec -002 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 340978 Constellation Vulpecula Tycho2 2174-00522-1 Gaia DR2 1843592103102059648
HD 340978 ADS 14165
 
 
WDS 20414+2500 J 512 (HD 340978) : 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
20414+2500 J 512 2000 6 90 2.4 9.50 9.80 204126.48+250122.7
20414+2500 J 512 2011 7 88 2.3 9.50 9.80 204126.48+250122.7
20414+2500 J 512 2015 10 102 2.2 12.00 12.30 G0 204126.48+250122.7
20414+2500 J 512 2016 10 89 2.4 12.00 12.30 G0 204126.48+250122.7

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

 
 
WDS 20414+2500 J 512 (HD 340978) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20414+2500 J 512 (HD 340978) : MEASURES
 
 
No records found.

 
 
WDS 20414+2500 (HD 340978) : VIRTUAL EYEPIECE
 
 

20414+2500 J 512A mag 12 Sp G0 20414+2500 J 512B sep 2.1 P.A. 88.50 mag 12.3 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 20414+2500 (HD 340978) : ALADIN DSS IMAGE @ 20h 41m 26.48s +25° 01' 22.7"
 
 
 
 
WDS 20414+2500 J 512 (HD 340978) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20414+2500 J 512 distance=0' 20415+2459 POU4874 distance=3' 20418+2502 POU4880AB distance=6' 20418+2502 POU4880AC distance=6' 20420+2501 POU4889 distance=9' 20408+2505 POU4854 distance=10' 20416+2510 POU4875 distance=10' 20409+2510 POU4857 distance=12' 20420+2452 POU4886AB distance=13' 20420+2452 POU4887AC distance=13' 20420+2510 POU4888 distance=13' 20413+2513 POU4869 distance=13' 20417+2449 POU4877AB distance=13' 20417+2449 POU4878AC distance=13' 20423+2457 POU4897 distance=14' 20410+2449 POU4865 distance=14' 20424+2506 POU4898AB distance=14' 20424+2506 POU4899AC distance=14' 20412+2448 POU4868 distance=14' 20419+2448 POU4881 distance=15' 20425+2503 TDT2485 distance=15' 20403+2501 POU4843 distance=16' 20425+2508 POU4901 distance=17' 20420+2516 POU4890 distance=17' 20426+2509 POU4904 distance=18' 20403+2510 POU4846 distance=18' 20405+2448 POU4850 distance=19' 20403+2451 POU4845 distance=19' 20401+2458 POU4840 distance=19' 20425+2451 POU4903 distance=19' 20400+2503 POU4833 distance=19' 20401+2509 POU4838 distance=19' 20410+2443 POU4858 distance=20' 20401+2450 POU4834 distance=22' 20422+2442 POU4892 distance=22' 20408+2521 POU4853 distance=22' 20401+2513 POU4835 distance=23' 20419+2439 POU4882 distance=23' 20398+2505 POU4825 distance=23' 20401+2516 POU4839 distance=24' 20397+2503 POU4822 distance=25' 20432+2502 POU4914 distance=25' 20403+2520 J 511 distance=25' 20398+2512 BKO 617 distance=25' 20417+2437 POU4879 distance=25' 20396+2503 POU4819 distance=25' 20396+2508 POU4821 distance=26' 20398+2447 POU4828 distance=27' 20434+2500 POU4921 distance=27' 20398+2446 POU4826 distance=27' 20425+2439 POU4902 distance=28' 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 20414+2500 J 512 89 2.4
Show 20415+2459 POU4874 198 8.8 3
Show 20418+2502 POU4880 AB 152 13.3 6
Show 20418+2502 POU4880 AC 128 11.9 6
Show 20420+2501 POU4889 13 14.6 9
Show 20408+2505 POU4854 303 18.7 10
Show 20416+2510 POU4875 126 5.0 10
Show 20409+2510 POU4857 83 15.4 12
Show 20420+2452 POU4886 AB 122 15.5 13
Show 20420+2452 POU4887 AC 113 28.7 13
Show 20420+2510 POU4888 353 17.2 13
Show 20413+2513 POU4869 245 13.3 13
Show 20417+2449 POU4877 AB 36 8.5 13
Show 20417+2449 POU4878 AC 321 15.9 13
Show 20423+2457 POU4897 185 9.5 14
Show 20410+2449 POU4865 145 5.4 14
Show 20424+2506 POU4898 AB 347 6.2 14
Show 20424+2506 POU4899 AC 318 19.1 14
Show 20412+2448 POU4868 140 15.5 14
Show 20419+2448 POU4881 211 10.4 15
Show 20425+2503 TDT2485 215 2.8 15
Show 20403+2501 POU4843 146 8.6 16
Show 20425+2508 POU4901 159 8.8 17
Show 20420+2516 POU4890 222 10.6 17
Show 20426+2509 POU4904 217 8.5 18
Show 20403+2510 POU4846 166 8.0 18
Show 20405+2448 POU4850 280 5.3 19
Show 20403+2451 POU4845 150 15.4 19
Show 20401+2458 POU4840 16 14.8 19
Show 20425+2451 POU4903 126 8.5 19
Show 20400+2503 POU4833 272 20.4 19
Show 20401+2509 POU4838 289 10.4 19
Show 20410+2443 POU4858 142 18.0 20
Show 20401+2450 POU4834 35 5.7 22
Show 20422+2442 POU4892 169 14.9 22
Show 20408+2521 POU4853 233 16.9 22
Show 20401+2513 POU4835 296 18.6 23
Show 20419+2439 POU4882 145 9.5 23
Show 20398+2505 POU4825 108 16.6 23
Show 20401+2516 POU4839 340 22.0 24
Show 20397+2503 POU4822 44 5.7 25
Show 20432+2502 POU4914 88 10.8 25
Show 20403+2520 J 511 8 2.0 25
Show 20398+2512 BKO 617 285 4.9 25
Show 20417+2437 POU4879 94 8.5 25
Show 20396+2503 POU4819 160 14.6 25
Show 20396+2508 POU4821 218 18.5 26
Show 20398+2447 POU4828 343 18.1 27
Show 20434+2500 POU4921 72 4.1 27
Show 20398+2446 POU4826 20 5.6 27
Show 20425+2439 POU4902 141 8.7 28

 
 
WDS 20414+2500 : COMPONENTS
 
 
  A
B pa=88.5°
sep=2.15"
 
 
20414+2500 A
 
 
Componente originario normalizzato AB Name HD 340978 Coord arcsec 2000 204126.48+250122.7 Mag 12
Spectral class G0 (yellow) PmRA -8.00 PmDE -2.0 Tycho2 2174-00522-1
HD 340978 ADS 14165
Tycho2
Tycho2 2174-00522-1 Pflag RAmdeg 310.36035020 DEmdeg 25.02299101
PmRA -5.4 PmDE 0.0 E RAmdeg 55 E DEmdeg 60
E pmRA 1.8 E pmDE 1.8 EpRAm 1981.12 EpDEm 1978.76
Num 3 Q RAmdeg 2.2 Q DEmdeg 0.0 Q pmRA 2.2
Q pmDE 0.1 BTmag 11.820 E BTmag 0.090 VTmag 11.359
E VTmag 0.102 Prox 999 TYC HIP
CCDM RAdeg 310.36036417 DEdeg 25.02299083 EpRA 1990 1.62
EpDE 1990 1.53 E RAdeg 58.4 E DEdeg 64.2 Posflg
Corr 0.0
 
 
20414+2500 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204126.64+250122.8 Mag 12.3 Calc delta mag 0.3
Calc coord yes