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Doubles in session


Current system
21420+0408
J 1790


Nearby doubles
28' : 21425+0342
CVR 916

30' : 21439+0419
NSN 6

37' : 21403+0344
STT 446

44' : 21396+0431
HEI 822

46' : 21450+0419
BAL2564

46' : 21440+0335
A 2098

65' : 21462+0423
CVR 918

66' : 21441+0506
TDS1144

70' : 21404+0514
DBR 329

73' : 21403+0516
SKF 484

75' : 21470+0408
STE 14AB

76' : 21442+0518
GWP3090

78' : 21430+0253
GWP3088

78' : 21412+0252
GRV 492

80' : 21408+0252
GWP3086

81' : 21448+0300
BU 689

83' : 21385+0513
BAL2981

86' : 21364+0351
BAL2562

86' : 21476+0431
CVR 920

87' : 21379+0510
SLW1245

89' : 21447+0250
BU 1263

94' : 21395+0534
CVR 912

95' : 21456+0251
BAL2056

96' : 21426+0233
HDS3092

97' : 21358+0342
GWP3076

101' : 21359+0326
BAL2055



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.

21420+0408 J 1790

 
 
21h 42m 01.45s +04° 08' 55.5" P.A. 95.00 sep 2.3 mag 11.00,11.20
 
 
Coord 2000 21420+0408 Discov num J  1790 Comp Coord arcsec 2000 21 42 01.45 +04 08 55.5
Date first 1941 Date last 2016 Obs 16
Pa first 100 Pa last 95.4 P.A. Now (θ) 95.4°
Sep first 2.0 Sep last 2.288 Sep. Now (ρ) 2.288"
Mag pri 11.00 Mag sec 11.20 delta mag (ΔM) 0.2 Spectral class
Pri motion ra +017 Sec motion ra
Pri motion dec -020 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Pegasus Tycho2 0551-00036-1 Gaia DR2 2698265860288318592
 
 
WDS 21420+0408 J 1790 : 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
21420+0408 J 1790 2001 12 96 2.3 9.10 9.30 214201.45+040855.5
21420+0408 J 1790 2008 13 96 2.3 9.10 9.30 214201.45+040855.5
21420+0408 J 1790 2016 14 96 2.3 11.00 11.20 214201.45+040855.5

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

 
 
WDS 21420+0408 J 1790 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21420+0408 J 1790 : MEASURES
 
 
No records found.

 
 
WDS 21420+0408 : VIRTUAL EYEPIECE
 
 

21420+0408 J 1790A mag 11 21420+0408 J 1790B sep 2.3 P.A. 95.40 mag 11.2 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 21420+0408 : ALADIN DSS IMAGE @ 21h 42m 01.45s +04° 08' 55.5"
 
 
 
 
WDS 21420+0408 J 1790 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21420+0408 J 1790 distance=0' 21425+0342 CVR 916 distance=28' 21439+0419 NSN 6 distance=30' 21403+0344 STT 446 distance=37' 21396+0431 HEI 822 distance=44' 21450+0419 BAL2564 distance=46' 21440+0335 A 2098 distance=46' 21462+0423 CVR 918 distance=65' 21441+0506 TDS1144 distance=66' 21404+0514 DBR 329 distance=70' 21403+0516 SKF 484 distance=73' 21470+0408 STE 14AB distance=75' 21442+0518 GWP3090 distance=76' 21430+0253 GWP3088 distance=78' 21412+0252 GRV 492 distance=78' 21408+0252 GWP3086 distance=80' 21448+0300 BU 689 distance=81' 21385+0513 BAL2981 distance=83' 21364+0351 BAL2562 distance=86' 21476+0431 CVR 920 distance=86' 21379+0510 SLW1245 distance=87' 21447+0250 BU 1263 distance=89' 21395+0534 CVR 912 distance=94' 21456+0251 BAL2056 distance=95' 21426+0233 HDS3092 distance=96' 21358+0342 GWP3076 distance=97' 21359+0326 BAL2055 distance=101' 21437+0230 HJ 3052 distance=103' 21395+0544 FMR 164 distance=103' 21377+0528 J 1406 distance=105' 21379+0245 ITF 109 distance=105' 21485+0331 HEI 289 distance=105' 21423+0555 HU 280 distance=106' 21462+0536 HJ 3057 distance=107' 21385+0546 HJ 941 distance=111' 21480+0521 BRT2293 distance=116' 21483+0518 BRT2294 distance=117' 21489+0309 GWP3097 distance=120' 21396+0215 BUP 229 distance=121' 21495+0324 STF2828AB distance=121' 21495+0324 STF2828AD distance=121' 21495+0324 STF2828AC distance=121' 21495+0324 STF2828BC distance=122' 21349+0308 A 2291 distance=123' 21445+0607 HDS3096 distance=124' 21489+0523 HU 281 distance=127' 21366+0230 UC 4507 distance=128' 21439+0159 A 2097 distance=132' 21336+0448 BAL2980 distance=133' 21417+0625 HU 278AB distance=137' 21417+0625 HU 278AC distance=137' 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 21420+0408 J 1790 95 2.3
Show 21425+0342 CVR 916 238 9.8 28
Show 21439+0419 NSN 6 339 3.8 30
Show 21403+0344 STT 446 173 6.6 37
Show 21396+0431 HEI 822 359 1.2 44
Show 21450+0419 BAL2564 195 5.2 46
Show 21440+0335 A 2098 222 1.1 46
Show 21462+0423 CVR 918 268 9.0 65
Show 21441+0506 TDS1144 115 1.1 66
Show 21404+0514 DBR 329 304 5.5 70
Show 21403+0516 SKF 484 23 14.9 73
Show 21470+0408 STE 14 AB 328 31.4 75
Show 21442+0518 GWP3090 68 12.6 76
Show 21430+0253 GWP3088 239 6.8 78
Show 21412+0252 GRV 492 171 58.7 78
Show 21408+0252 GWP3086 300 45.8 80
Show 21448+0300 BU 689 244 1.8 81
Show 21385+0513 BAL2981 265 4.3 83
Show 21364+0351 BAL2562 152 17.1 86
Show 21476+0431 CVR 920 71 8.8 86
Show 21379+0510 SLW1245 42 9.9 87
Show 21447+0250 BU 1263 193 0.6 89
Show 21395+0534 CVR 912 105 24.1 94
Show 21456+0251 BAL2056 269 8.1 95
Show 21426+0233 HDS3092 156 0.3 96
Show 21358+0342 GWP3076 318 10.5 97
Show 21359+0326 BAL2055 190 12.2 101
Show 21437+0230 HJ 3052 291 14.3 103
Show 21395+0544 FMR 164 88 148.3 103
Show 21377+0528 J 1406 207 2.5 105
Show 21379+0245 ITF 109 115 5.6 105
Show 21485+0331 HEI 289 312 0.7 105
Show 21423+0555 HU 280 0.1 106
Show 21462+0536 HJ 3057 7 21.2 107
Show 21385+0546 HJ 941 310 33.3 111
Show 21480+0521 BRT2293 310 1.4 116
Show 21483+0518 BRT2294 242 2.3 117
Show 21489+0309 GWP3097 230 29.2 120
Show 21396+0215 BUP 229 43 139.5 121
Show 21495+0324 STF2828 AB 140 33.7 121
Show 21495+0324 STF2828 AD 73 10.7 121
Show 21495+0324 STF2828 AC 134 33.1 121
Show 21495+0324 STF2828 BC 39 3.5 122
Show 21349+0308 A 2291 93 1.0 123
Show 21445+0607 HDS3096 79 1.3 124
Show 21489+0523 HU 281 146 1.5 127
Show 21366+0230 UC 4507 194 7.3 128
Show 21439+0159 A 2097 358 0.2 132
Show 21336+0448 BAL2980 138 17.4 133
Show 21417+0625 HU 278 AB 202 3.0 137
Show 21417+0625 HU 278 AC 233 18.5 137

 
 
WDS 21420+0408 : COMPONENTS
 
 
  A
B pa=95.4°
sep=2.28"
 
 
21420+0408 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 214201.45+040855.5 Mag 11 PmRA 17.00
PmDE -20.0 Tycho2 0551-00036-1 DM BD+03 4601
Tycho2
Tycho2 0551-00036-1 Pflag RAmdeg 325.50616222 DEmdeg 4.14871102
PmRA 16.6 PmDE -20.2 E RAmdeg 31 E DEmdeg 36
E pmRA 2.3 E pmDE 2.3 EpRAm 1984.38 EpDEm 1982.15
Num 3 Q RAmdeg 9.9 Q DEmdeg 1.0 Q pmRA 9.9
Q pmDE 1.0 BTmag 11.455 E BTmag 0.081 VTmag 10.928
E VTmag 0.081 Prox 999 TYC T HIP
CCDM RAdeg 325.50603278 DEdeg 4.14876944 EpRA 1990 1.65
EpDE 1990 1.54 E RAdeg 43.8 E DEdeg 58.2 Posflg
Corr -0.1
 
 
21420+0408 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 214201.60+040855.3 Mag 11.2 Calc delta mag 0.2
Calc coord yes