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Doubles in session


Current system
20484+0426
AG 267


Nearby doubles
17' : 20473+0426
UC 4288

19' : 20484+0407
BAL2546

38' : 20492+0502
HDS2967

41' : 20457+0430
A 2285AB

42' : 20506+0453
BAL2974

45' : 20458+0445
BAL2971

47' : 20488+0512
J 2321AB

49' : 20516+0431
KPP1501

50' : 20466+0344
BAL2545

55' : 20513+0353
GWP3006

56' : 20460+0344
BAL2544

58' : 20452+0352
UC 4280

62' : 20525+0416
TDT2595

69' : 20530+0427
TDT2603

71' : 20511+0526
GCB 59

71' : 20500+0533
STTA210AB

74' : 20514+0524
TOB 313

75' : 20496+0538
GWP3002

82' : 20526+0517
GCB 75

84' : 20529+0337
BAL2547

88' : 20527+0527
J 572

90' : 20478+0555
TDT2543

90' : 20529+0529
GCB 60

91' : 20541+0357
HJ 3005

94' : 20537+0336
BAL2548

95' : 20519+0544
A 613



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20484+0426 AG 267

 
 
20h 48m 24.21s +04° 25' 57.6" P.A. 260.00 sep 6.1 mag 10.21,10.39 Sp G5+G5
 
 
Coord 2000 20484+0426 Discov num AG  267 Comp Coord arcsec 2000 20 48 24.21 +04 25 57.6
Date first 1903 Date last 2018 Obs 25
Pa first 261 Pa last 260.4 P.A. Now (θ) 260.4°
Sep first 5.2 Sep last 6.066 Sep. Now (ρ) 6.066"
Mag pri 10.21 Mag sec 10.39 delta mag (ΔM) 0.18 Spectral class G5+G5 (yellow/yellow)
Pri motion ra +132 Sec motion ra +070
Pri motion dec -041 Sec motion dec -052
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.456
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Tycho2 0520-02425-1 Gaia DR2 1734433520703189248
 
 
WDS 20484+0426 AG 267 : NOTES
 
 
discov_num notes refcode
AG 267 HJL 287. HJL1986
 
 
REFERENCES
 
 
refcode metd author reference
HJL1986 Pa - Halbwachs, J.L. 1986A&AS...66..131H
HJL1986 A&AS 66, 131, 1986
HJL1986 (Possible CPM pairs from AGK2/3. Coarse astrometry, incl. mean 1950 dates, added
HJL1986 only for previously unknown pairs. Table 1: HJL 1 - 326, Table 2: HJL1001 - 1113)
 
 
DISCOVERER
 
 
idgroup discov author
1 AG Astronomische Gesellschaft (see also ref codes KR and WFD)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20484+0426 AG 267 2000 14 261 5.8 10.21 10.39 G5 G5 DV 204824.21+042557.6
20484+0426 AG 267 2010 15 260 5.9 10.21 10.39 G5 G5 NVD 204824.21+042557.6
20484+0426 AG 267 2016 19 261 5.9 10.21 10.39 G5+G5 NV 204824.21+042557.6
20484+0426 AG 267 2018 24 260 6.1 10.21 10.39 G5+G5 NV 204824.21+042557.6

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

 
 
WDS 20484+0426 AG 267 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20484+0426 AG 267 : MEASURES
 
 
No records found.

 
 
WDS 20484+0426 : VIRTUAL EYEPIECE
 
 

20484+0426 AG 267A mag 10.21 Sp G5 20484+0426 AG 267B sep 6.0 P.A. 260.40 mag 10.39 Sp G5 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20484+0426 : ALADIN DSS IMAGE @ 20h 48m 24.21s +04° 25' 57.6"
 
 
 
 
WDS 20484+0426 AG 267 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20484+0426 AG 267 distance=0' 20473+0426 UC 4288 distance=17' 20484+0407 BAL2546 distance=19' 20492+0502 HDS2967 distance=38' 20457+0430 A 2285AB distance=41' 20457+0430 A 2285AC distance=41' 20506+0453 BAL2974 distance=42' 20458+0445 BAL2971 distance=45' 20488+0512 J 2321AB distance=47' 20488+0512 OSO 135AC distance=47' 20516+0431 KPP1501 distance=49' 20466+0344 BAL2545 distance=50' 20513+0353 GWP3006 distance=55' 20460+0344 BAL2544 distance=56' 20452+0352 UC 4280 distance=58' 20525+0416 TDT2595 distance=62' 20530+0427 TDT2603 distance=69' 20500+0533 STTA210BC distance=71' 20511+0526 GCB 59 distance=71' 20500+0533 STTA210AB distance=71' 20514+0524 TOB 313 distance=74' 20496+0538 GWP3002 distance=75' 20526+0517 GCB 75 distance=82' 20529+0337 BAL2547 distance=84' 20527+0527 J 572 distance=88' 20478+0555 TDT2543 distance=90' 20529+0529 GCB 60 distance=90' 20541+0357 HJ 3005 distance=91' 20537+0336 BAL2548 distance=94' 20519+0544 A 613 distance=95' 20478+0600 BU 65 distance=95' 20471+0253 TDT2536 distance=96' 20525+0310 GWP3009 distance=98' 20455+0553 HDS2954 distance=98' 20528+0311 HLD 43 distance=100' 20472+0247 UC 4286 distance=101' 20459+0607 TDT2523 distance=108' 20557+0432 STF2735 distance=109' 20543+0321 BAL2039 distance=110' 20533+0551 UC 4318 distance=113' 20559+0435 UC 4332 distance=113' 20535+0300 HEI 819 distance=115' 20464+0618 TDT2533 distance=116' 20412+0338 BAL2543 distance=119' 20564+0422 CVR 877 distance=120' 20424+0304 KPP3360 distance=122' 20431+0253 AG 262 distance=123' 20511+0623 STF2730 distance=124' 20481+0224 BAL2035 distance=124' 20551+0314 UC 4324 distance=124' 20510+0227 BAL2037 distance=125' 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 20484+0426 AG 267 260 6.1
Show 20473+0426 UC 4288 79 48.6 17
Show 20484+0407 BAL2546 40 9.6 19
Show 20492+0502 HDS2967 190 0.4 38
Show 20457+0430 A 2285 AB 222 7.7 41
Show 20457+0430 A 2285 AC 116 33.4 41
Show 20506+0453 BAL2974 42 3.7 42
Show 20458+0445 BAL2971 21 17.1 45
Show 20488+0512 J 2321 AB 151 6.6 47
Show 20488+0512 OSO 135 AC 158 16.6 47
Show 20516+0431 KPP1501 50 11.3 49
Show 20466+0344 BAL2545 281 11.8 50
Show 20513+0353 GWP3006 117 24.4 55
Show 20460+0344 BAL2544 14 16.7 56
Show 20452+0352 UC 4280 255 36.1 58
Show 20525+0416 TDT2595 359 0.7 62
Show 20530+0427 TDT2603 281 1.7 69
Show 20500+0533 STTA210 BC 222 12.4 71
Show 20511+0526 GCB 59 238 10.1 71
Show 20500+0533 STTA210 AB 127 78.2 71
Show 20514+0524 TOB 313 130 20.8 74
Show 20496+0538 GWP3002 247 57.2 75
Show 20526+0517 GCB 75 101 3.3 82
Show 20529+0337 BAL2547 220 8.5 84
Show 20527+0527 J 572 138 3.4 88
Show 20478+0555 TDT2543 263 0.6 90
Show 20529+0529 GCB 60 152 6.5 90
Show 20541+0357 HJ 3005 300 30.5 91
Show 20537+0336 BAL2548 258 7.5 94
Show 20519+0544 A 613 324 0.7 95
Show 20478+0600 BU 65 200 1.5 95
Show 20471+0253 TDT2536 352 1.6 96
Show 20525+0310 GWP3009 237 76.6 98
Show 20455+0553 HDS2954 298 1.0 98
Show 20528+0311 HLD 43 9 2.2 100
Show 20472+0247 UC 4286 114 31.3 101
Show 20459+0607 TDT2523 80 1.7 108
Show 20557+0432 STF2735 282 2.0 109
Show 20543+0321 BAL2039 28 14.7 110
Show 20533+0551 UC 4318 168 33.0 113
Show 20559+0435 UC 4332 60 52.9 113
Show 20535+0300 HEI 819 135 0.2 115
Show 20464+0618 TDT2533 230 0.7 116
Show 20412+0338 BAL2543 33 6.5 119
Show 20564+0422 CVR 877 125 26.3 120
Show 20424+0304 KPP3360 234 1.5 122
Show 20431+0253 AG 262 94 5.7 123
Show 20511+0623 STF2730 333 3.3 124
Show 20481+0224 BAL2035 304 12.9 124
Show 20551+0314 UC 4324 290 9.9 124
Show 20510+0227 BAL2037 2 6.4 125

 
 
WDS 20484+0426 : COMPONENTS
 
 
  A
B pa=260.4°
sep=6.05"
 
 
20484+0426 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204824.21+042557.6 Mag 10.21 Spectral class G5 (yellow)
PmRA 132.00 PmDE -41.0 Tycho2 0520-02425-1
Tycho2
Tycho2 0520-02425-1 Pflag RAmdeg 312.10088339 DEmdeg 4.43267816
PmRA 131.9 PmDE -41.2 E RAmdeg 20 E DEmdeg 28
E pmRA 1.3 E pmDE 1.3 EpRAm 1988.43 EpDEm 1985.19
Num 6 Q RAmdeg 0.6 Q DEmdeg 1.1 Q pmRA 0.5
Q pmDE 1.2 BTmag 10.924 E BTmag 0.047 VTmag 10.212
E VTmag 0.035 Prox 60 TYC T HIP
CCDM RAdeg 312.10058083 DEdeg 4.43277556 EpRA 1990 1.76
EpDE 1990 1.57 E RAdeg 21.3 E DEdeg 29.3 Posflg
Corr -0.1
CCDM
Ccdm 20484+0426 RComp Comp A Note1
Note2 Discov num DRAs 0.15 DDEs -3.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.9 Sp G5 PmNote *
PmRA 131 PmDE -55 Dm number +03 4428 Cat1 BD
Name2 +04 2813 Cat2 AGK2/3 HD M HD
ADS BDS A14307 M ADS BDS N IDS IDS 20434N0404A
HIC
 
 
20484+0426 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204823.81+042556.6 Mag 10.39 Spectral class G5 (yellow)
PmRA 70.00 PmDE -52.0 Tycho2 0520-02794-1 Calc delta mag 0.18
Calc coord yes
Tycho2
Tycho2 0520-02794-1 Pflag RAmdeg 312.09923544 DEmdeg 4.43240881
PmRA 131.5 PmDE -43.6 E RAmdeg 27 E DEmdeg 34
E pmRA 1.4 E pmDE 1.4 EpRAm 1986.30 EpDEm 1981.87
Num 6 Q RAmdeg 1.0 Q DEmdeg 0.8 Q pmRA 1.0
Q pmDE 0.8 BTmag 11.346 E BTmag 0.064 VTmag 10.391
E VTmag 0.041 Prox 60 TYC T HIP
CCDM RAdeg 312.09893444 DEdeg 4.43251056 EpRA 1990 1.77
EpDE 1990 1.60 E RAdeg 27.5 E DEdeg 36.7 Posflg
Corr -0.2
CCDM
Ccdm 20484+0426 RComp Comp B Note1
Note2 Discov num AG 267 DRAs -0.28 DDEs -4.2
R dRAs 10 Year 1903 Theta 262 Rho 5.7
Obs 6 Vmag 10.1 Sp G5 PmNote *
PmRA 126 PmDE -60 Dm number Cat1
Name2 +04 2812 Cat2 AGK2/3 HD M HD
ADS BDS A14307 M ADS BDS N IDS IDS 20434N0404B
HIC