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Doubles in session


Current system
20312+2227
J 564
HD 346778


Nearby doubles
12' : 20318+2219
ROE 12

17' : 20324+2226
ROE 13

31' : 20306+2158
BRT2478

32' : 20329+2246
GRV 352

38' : 20339+2227
GRV 353

40' : 20335+2250
HDS2938

43' : 20304+2307
RAO 436

44' : 20280+2229
GRV 341

47' : 20345+2235
BRT2479

51' : 20323+2314
POU4586

51' : 20295+2311
KPP3358

52' : 20305+2316
POU4538

55' : 20328+2316
POU4604

57' : 20310+2323
POU4548

60' : 20355+2225
STJ 39

60' : 20337+2316
TDT2372AB

61' : 20293+2321
POU4524

62' : 20326+2325
POU4594

62' : 20294+2322
POU4526

63' : 20331+2324
A 2792

65' : 20327+2327
POU4602

65' : 20301+2328
POU4533

65' : 20313+2330
POU4556

65' : 20328+2327
POU4606

65' : 20288+2322
POU4518AB

66' : 20337+2322
JNN 285



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.

20312+2227 J 564 (HD 346778)

 
 
20h 31m 12.57s +22° 26' 31.0" P.A. 308.00 sep 2.5 mag 9.70,12.40 Sp A5
 
 
Coord 2000 20312+2227 Discov num J   564 Comp Coord arcsec 2000 20 31 12.57 +22 26 31.0
Date first 1911 Date last 2016 Obs 6
Pa first 306 Pa last 307.7 P.A. Now (θ) 307.7°
Sep first 1.6 Sep last 2.494 Sep. Now (ρ) 2.494"
Mag pri 9.70 Mag sec 12.40 delta mag (ΔM) 2.7 Spectral class A5 (white)
Pri motion ra +020 Sec motion ra
Pri motion dec -000 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 346778 Constellation Vulpecula Tycho2 1644-00091-1 Gaia DR2 1818776434898896000
HD 346778
 
 
WDS 20312+2227 J 564 (HD 346778) : 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
20312+2227 J 564 2005 4 309 2.5 9.70 12.40 A5 203112.57+222631.0
20312+2227 J 564 2015 5 310 2.1 9.70 12.40 A5 203112.57+222631.0
20312+2227 J 564 2016 6 308 2.5 9.70 12.40 A5 203112.57+222631.0

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

 
 
WDS 20312+2227 J 564 (HD 346778) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20312+2227 J 564 (HD 346778) : MEASURES
 
 
No records found.

 
 
WDS 20312+2227 (HD 346778) : VIRTUAL EYEPIECE
 
 

20312+2227 J 564A mag 9.7 Sp A5 20312+2227 J 564B sep 2.4 P.A. 309.90 mag 12.4 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 20312+2227 (HD 346778) : ALADIN DSS IMAGE @ 20h 31m 12.57s +22° 26' 31.0"
 
 
 
 
WDS 20312+2227 J 564 (HD 346778) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20312+2227 J 564 distance=1' 20318+2219 ROE 12 distance=12' 20324+2226 ROE 13 distance=17' 20306+2158 BRT2478 distance=31' 20329+2246 GRV 352 distance=32' 20339+2227 GRV 353 distance=38' 20335+2250 HDS2938 distance=40' 20304+2307 RAO 436 distance=43' 20280+2229 GRV 341 distance=44' 20345+2235 BRT2479 distance=47' 20323+2314 POU4586 distance=51' 20295+2311 KPP3358 distance=51' 20305+2316 POU4538 distance=52' 20328+2316 POU4604 distance=55' 20310+2323 POU4548 distance=57' 20355+2225 STJ 39 distance=60' 20337+2316 TDT2372AB distance=60' 20337+2316 POU4647AC distance=60' 20293+2321 POU4524 distance=61' 20326+2325 POU4594 distance=62' 20294+2322 POU4526 distance=62' 20331+2324 A 2792 distance=63' 20327+2327 POU4602 distance=65' 20301+2328 POU4533 distance=65' 20313+2330 POU4556 distance=65' 20328+2327 POU4606 distance=65' 20288+2322 POU4518AB distance=65' 20288+2322 POU4519AC distance=65' 20337+2322 JNN 285 distance=66' 20264+2227 BRT2526 distance=67' 20285+2323 POU4515 distance=69' 20287+2325 POU4516AB distance=69' 20287+2325 BKO 449AC distance=69' 20307+2335 POU4543 distance=70' 20332+2330 POU4622 distance=70' 20315+2336 POU4560 distance=70' 20338+2125 TDS1083 distance=72' 20301+2336 POU4535 distance=72' 20338+2329 POU4651 distance=73' 20337+2330 NSN 794 distance=73' 20280+2324 POU4506 distance=74' 20309+2339 POU4545 distance=74' 20364+2213 J 1178 distance=74' 20340+2330 POU4654 distance=75' 20280+2326 POU4508 distance=75' 20332+2335 POU4625 distance=75' 20279+2326 POU4505 distance=75' 20290+2337 POU4520 distance=77' 20298+2341 POU4530 distance=77' 20318+2343 POU4570 distance=77' 20287+2336 POU4517 distance=78' 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 20312+2227 J 564 308 2.5 1
Show 20318+2219 ROE 12 30 10.9 12
Show 20324+2226 ROE 13 41 6.4 17
Show 20306+2158 BRT2478 297 3.6 31
Show 20329+2246 GRV 352 293 38.3 32
Show 20339+2227 GRV 353 82 19.7 38
Show 20335+2250 HDS2938 297 1.5 40
Show 20304+2307 RAO 436 126 2.7 43
Show 20280+2229 GRV 341 159 76.3 44
Show 20345+2235 BRT2479 350 5.1 47
Show 20323+2314 POU4586 259 9.1 51
Show 20295+2311 KPP3358 49 4.5 51
Show 20305+2316 POU4538 196 14.2 52
Show 20328+2316 POU4604 138 15.7 55
Show 20310+2323 POU4548 8 14.3 57
Show 20355+2225 STJ 39 246 1.2 60
Show 20337+2316 TDT2372 AB 341 2.6 60
Show 20337+2316 POU4647 AC 207 11.2 60
Show 20293+2321 POU4524 290 11.9 61
Show 20326+2325 POU4594 215 18.9 62
Show 20294+2322 POU4526 178 9.1 62
Show 20331+2324 A 2792 305 0.2 63
Show 20327+2327 POU4602 12 8.5 65
Show 20301+2328 POU4533 359 18.3 65
Show 20313+2330 POU4556 335 7.7 65
Show 20328+2327 POU4606 144 5.4 65
Show 20288+2322 POU4518 AB 324 20.5 65
Show 20288+2322 POU4519 AC 266 18.3 65
Show 20337+2322 JNN 285 174 0.9 66
Show 20264+2227 BRT2526 109 3.5 67
Show 20285+2323 POU4515 223 12.8 69
Show 20287+2325 POU4516 AB 227 17.1 69
Show 20287+2325 BKO 449 AC 311 7.6 69
Show 20307+2335 POU4543 154 2.9 70
Show 20332+2330 POU4622 350 8.7 70
Show 20315+2336 POU4560 343 10.3 70
Show 20338+2125 TDS1083 354 2.5 72
Show 20301+2336 POU4535 133 14.0 72
Show 20338+2329 POU4651 227 22.3 73
Show 20337+2330 NSN 794 94 9.5 73
Show 20280+2324 POU4506 63 11.5 74
Show 20309+2339 POU4545 254 11.8 74
Show 20364+2213 J 1178 328 3.9 74
Show 20340+2330 POU4654 154 15.8 75
Show 20280+2326 POU4508 98 16.3 75
Show 20332+2335 POU4625 43 10.6 75
Show 20279+2326 POU4505 230 9.7 75
Show 20290+2337 POU4520 229 19.9 77
Show 20298+2341 POU4530 86 14.3 77
Show 20318+2343 POU4570 111 11.6 77
Show 20287+2336 POU4517 151 9.5 78

 
 
WDS 20312+2227 : COMPONENTS
 
 
  A
B pa=309.9°
sep=2.38"
 
 
20312+2227 A
 
 
Componente originario normalizzato AB Name HD 346778 Coord arcsec 2000 203112.57+222631.0 Mag 9.7
Spectral class A5 (white) PmRA 20.00 PmDE 0.0 Tycho2 1644-00091-1
HD 346778
Tycho2
Tycho2 1644-00091-1 Pflag RAmdeg 307.80241291 DEmdeg 22.44196608
PmRA 19.7 PmDE -0.1 E RAmdeg 16 E DEmdeg 17
E pmRA 1.3 E pmDE 1.3 EpRAm 1990.00 EpDEm 1989.78
Num 3 Q RAmdeg 0.2 Q DEmdeg 0.1 Q pmRA 0.2
Q pmDE 0.1 BTmag 10.043 E BTmag 0.027 VTmag 9.851
E VTmag 0.029 Prox 999 TYC T HIP
CCDM RAdeg 307.80236250 DEdeg 22.44196639 EpRA 1990 1.49
EpDE 1990 1.49 E RAdeg 15.8 E DEdeg 16.9 Posflg
Corr -0.1
CCDM
Ccdm 20312+2227 RComp Comp A Note1
Note2 Discov num DRAs 0.58 DDEs -28.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.7 Sp PmNote *
PmRA 33 PmDE 4 Dm number +21 4245 Cat1 BD
Name2 +22 2173 Cat2 AGK2/3 HD M HD
ADS BDS A13948 M ADS BDS N IDS IDS 20268N2206A
HIC
 
 
20312+2227 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 203112.44+222632.5 Mag 12.4 Calc delta mag 2.7
Calc coord yes
CCDM
Ccdm 20312+2227 RComp Comp B Note1
Note2 Discov num J 564 DRAs DDEs
R dRAs Year 1947 Theta 306 Rho 2.2
Obs 3 Vmag 12.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13948 M ADS BDS N IDS IDS 20268N2206B
HIC