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Doubles in session


Current system
20455+0553
HDS 2954
HD 197737


Nearby doubles
15' : 20459+0607
TDT2523

29' : 20464+0618
TDT2533

35' : 20478+0555
TDT2543

36' : 20478+0600
BU 65

59' : 20442+0648
SKF2552AB

64' : 20496+0538
GWP3002

65' : 20488+0512
J 2321AB

68' : 20458+0445
BAL2971

71' : 20500+0533
STTA210AB

75' : 20421+0648
GWP2987

76' : 20492+0502
HDS2967

77' : 20457+0709
BU 834

83' : 20457+0430
A 2285AB

88' : 20399+0620
RAO 617

89' : 20511+0526
GCB 59

89' : 20511+0623
STF2730

92' : 20426+0714
TDT2489

92' : 20473+0426
UC 4288

93' : 20487+0706
J 3223

94' : 20514+0524
TOB 313

97' : 20519+0544
A 613

98' : 20484+0426
AG 267

98' : 20506+0453
BAL2974

102' : 20422+0724
J 571

103' : 20468+0733
GAA 8

103' : 20396+0458
KUI 99AB



Selections
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20455+0553 HDS 2954 (HD 197737)

 
 
20h 45m 28.07s +05° 52' 52.4" P.A. 298.00 sep 1.0 mag 7.59,11.41 Sp K2 dist. 127.39 pc (415.55 l.y.)
 
 
Coord 2000 20455+0553 Discov num HDS2954 Comp Coord arcsec 2000 20 45 28.07 +05 52 52.4
Date first 1991 Date last 2014 Obs 6
Pa first 297 Pa last 297.9 P.A. Now (θ) 297.9°
Sep first 0.8 Sep last 1.041 Sep. Now (ρ) 1.041"
Mag pri 7.59 Mag sec 11.41 delta mag (ΔM) 3.82 Spectral class K2 (yellow-orange)
Pri motion ra +094 Sec motion ra +091
Pri motion dec -098 Sec motion dec -097
Notes
rPM=0.023 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 197737 Constellation Delphinus SAO 126179 HIP 102439
Tycho2 0524-01596-1 Gaia DR2 1735935934624843776 HD 197737 GC 28924
BD BD+05 4600 Distance 127.39 Distance ly 415.55
 
 
WDS 20455+0553 HDS 2954 (HD 197737) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HDS Hipparcos Double Star (from additional DD list) ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20455+0553 HDS2954 1991 2 297 0.9 7.59 11.41 K2 204528.07+055252.4
20455+0553 HDS2954 2007 3 298 1.0 7.59 11.41 K2 204528.07+055252.4
20455+0553 HDS2954 2014 5 298 1.0 7.59 11.41 K2 204528.07+055252.4

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

 
 
WDS 20455+0553 HDS 2954 (HD 197737) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20455+0553 HDS 2954 (HD 197737) : MEASURES
 
 
No records found.

 
 
WDS 20455+0553 (HD 197737) : VIRTUAL EYEPIECE
 
 

20455+0553 HDS2954A mag 7.59 Sp K2 20455+0553 HDS2954B sep 1.0 P.A. 298.00 mag 11.41 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 20455+0553 (HD 197737) : ALADIN DSS IMAGE @ 20h 45m 28.07s +05° 52' 52.4"
 
 
 
 
WDS 20455+0553 HDS 2954 (HD 197737) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20455+0553 HDS2954 distance=0' 20459+0607 TDT2523 distance=15' 20464+0618 TDT2533 distance=29' 20478+0555 TDT2543 distance=35' 20478+0600 BU 65 distance=36' 20442+0648 SKF2552AB distance=59' 20442+0648 SKF2552AC distance=59' 20442+0648 SKF2552BC distance=59' 20496+0538 GWP3002 distance=64' 20488+0512 J 2321AB distance=65' 20488+0512 OSO 135AC distance=65' 20458+0445 BAL2971 distance=68' 20500+0533 STTA210AB distance=71' 20500+0533 STTA210BC distance=72' 20421+0648 GWP2987 distance=75' 20492+0502 HDS2967 distance=76' 20457+0709 BU 834 distance=77' 20457+0430 A 2285AB distance=83' 20457+0430 A 2285AC distance=83' 20399+0620 RAO 617 distance=88' 20511+0526 GCB 59 distance=89' 20511+0623 STF2730 distance=89' 20426+0714 TDT2489 distance=92' 20473+0426 UC 4288 distance=92' 20487+0706 J 3223 distance=93' 20514+0524 TOB 313 distance=94' 20519+0544 A 613 distance=97' 20484+0426 AG 267 distance=98' 20506+0453 BAL2974 distance=98' 20422+0724 J 571 distance=102' 20468+0733 GAA 8 distance=103' 20396+0458 KUI 99AB distance=103' 20396+0458 BAG 14Aa,Ab distance=103' 20388+0512 GWP2976 distance=109' 20386+0628 KPP 806 distance=109' 20527+0527 J 572 distance=111' 20526+0517 GCB 75 distance=112' 20529+0529 GCB 60 distance=112' 20484+0407 BAL2546 distance=114' 20533+0551 UC 4318 distance=118' 20452+0352 UC 4280 distance=121' 20382+0459 BAL2970 distance=122' 20533+0627 TDT2607 distance=122' 20516+0431 KPP1501 distance=123' 20540+0614 TDT2616 distance=129' 20539+0620 TDS1107 distance=130' 20460+0344 BAL2544 distance=130' 20466+0344 BAL2545 distance=130' 20516+0734 A 612 distance=137' 20527+0720 STF2733 distance=139' 20370+0452 SMA 118 distance=142' 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 20455+0553 HDS2954 298 1.0
Show 20459+0607 TDT2523 80 1.7 15
Show 20464+0618 TDT2533 230 0.7 29
Show 20478+0555 TDT2543 263 0.6 35
Show 20478+0600 BU 65 200 1.5 36
Show 20442+0648 SKF2552 AB 60 17.6 59
Show 20442+0648 SKF2552 AC 31 23.1 59
Show 20442+0648 SKF2552 BC 343 11.4 59
Show 20496+0538 GWP3002 247 57.2 64
Show 20488+0512 J 2321 AB 151 6.6 65
Show 20488+0512 OSO 135 AC 158 16.6 65
Show 20458+0445 BAL2971 21 17.1 68
Show 20500+0533 STTA210 AB 127 78.2 71
Show 20500+0533 STTA210 BC 222 12.4 72
Show 20421+0648 GWP2987 295 266.1 75
Show 20492+0502 HDS2967 190 0.4 76
Show 20457+0709 BU 834 134 2.4 77
Show 20457+0430 A 2285 AB 222 7.7 83
Show 20457+0430 A 2285 AC 116 33.4 83
Show 20399+0620 RAO 617 334 2.5 88
Show 20511+0526 GCB 59 238 10.1 89
Show 20511+0623 STF2730 333 3.3 89
Show 20426+0714 TDT2489 232 0.4 92
Show 20473+0426 UC 4288 79 48.6 92
Show 20487+0706 J 3223 307 2.7 93
Show 20514+0524 TOB 313 130 20.8 94
Show 20519+0544 A 613 324 0.7 97
Show 20484+0426 AG 267 260 6.1 98
Show 20506+0453 BAL2974 42 3.7 98
Show 20422+0724 J 571 255 3.9 102
Show 20468+0733 GAA 8 1 0.0 103
Show 20396+0458 KUI 99 AB 111 0.3 103
Show 20396+0458 BAG 14 Aa,Ab 49 0.2 103
Show 20388+0512 GWP2976 324 6.5 109
Show 20386+0628 KPP 806 87 7.0 109
Show 20527+0527 J 572 138 3.4 111
Show 20526+0517 GCB 75 101 3.3 112
Show 20529+0529 GCB 60 152 6.5 112
Show 20484+0407 BAL2546 40 9.6 114
Show 20533+0551 UC 4318 168 33.0 118
Show 20452+0352 UC 4280 255 36.1 121
Show 20382+0459 BAL2970 35 12.5 122
Show 20533+0627 TDT2607 281 0.6 122
Show 20516+0431 KPP1501 50 11.3 123
Show 20540+0614 TDT2616 100 0.4 129
Show 20539+0620 TDS1107 110 1.6 130
Show 20460+0344 BAL2544 14 16.7 130
Show 20466+0344 BAL2545 281 11.8 130
Show 20516+0734 A 612 7 2.0 137
Show 20527+0720 STF2733 145 40.2 139
Show 20370+0452 SMA 118 125 19.1 142

 
 
WDS 20455+0553 : COMPONENTS
 
 
  A
B pa=298.0°
sep=1.04"
 
 
20455+0553 A
 
 
Componente originario normalizzato AB Name HD 197737 Coord arcsec 2000 204528.07+055252.4 Mag 7.59
Spectral class K2 (yellow-orange) PmRA 94.00 PmDE -98.0 SAO 126179
HIP 102439 Tycho2 0524-01596-1 HD 197737 GC 28924
BD BD+05 4600
Tycho2
Tycho2 0524-01596-1 Pflag RAmdeg 311.36693840 DEmdeg 5.88121599
PmRA 93.9 PmDE -97.9 E RAmdeg 5 E DEmdeg 6
E pmRA 1.1 E pmDE 1.2 EpRAm 1991.33 EpDEm 1991.13
Num 15 Q RAmdeg 1.2 Q DEmdeg 2.0 Q pmRA 1.2
Q pmDE 2.0 BTmag 8.764 E BTmag 0.018 VTmag 7.594
E VTmag 0.011 Prox 8 TYC T HIP 102439
CCDM A RAdeg 311.36672528 DEdeg 5.88144139 EpRA 1990 1.86
EpDE 1990 1.75 E RAdeg 4.5 E DEdeg 5.9 Posflg
Corr -0.2
SAO
SAO 126179 DelFlag RA1950 PmRA1950 0.0048
DE1950 PmDE1950 -0.09 Vmag 7.6 SpType K2
Double code Source 70 CatNum 28924 DM BD+05 4600
DMcomp BDsup HD 197737 M HD 0
GC 28924 RA1950rad 5.42353843 DE1950rad 0.09948151 PmRA2000 0.005
PmDE2000 -0.093
Hipparcos
Catalog H HIP 102439 Proxy H RAhms 20 45 28.01
DEdms +05 52 53.2 Vmag 7.43 VarFlag R Vmag H
RAdeg 311.367 DEdeg 5.88145 AstroRef A Plx 7.14
CCDM 20455+0553 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual C M HIP AB
Theta 297 Rho 0.84 HD 197737 BD BD+05 4600
CD CP Dm number +05 4600 VIred 0.97
SpType K2 R SpType Coord arcsec 2000 204528.01+055253.2
Hipparcos 2
HIP 102439 Sn 15 So 3 Nc 2
RArad 5.4343742293 DErad 0.1026507493 Plx 7.85 PmRA 88.62
PmDE -97.81 E RArad 0.84 E DErad 0.6 E Plx 1.13
E pmRA 1.1 E pmDE 0.74 Hpmag 7.5952 E Hpmag 0.0011
SHp 0.011 VA 0 BV 1.002 E BV 0.01
VI 0.98
CCDM
Ccdm 20455+0553 RComp Comp A Note1
Note2 Discov num DRAs -1.95 DDEs -7.6
R dRAs 82 Year Theta Rho
Obs 2 Vmag 7.6 Sp K2 PmNote *
PmRA 91 PmDE -97 Dm number +05 4600 Cat1 BD
Name2 +05 3031 Cat2 AGK2/3 HD 197737 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 102439
 
 
20455+0553 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204528.01+055252.9 Mag 11.41 PmRA 91.00
PmDE -97.0 Calc delta mag 3.82 Calc coord yes
CCDM
Ccdm 20455+0553 RComp Comp B Note1
Note2 Discov num HDS DRAs -1.99 DDEs -7.2
R dRAs 82 Year 1991 Theta 297 Rho 0.8
Obs 1 Vmag 11.4 Sp PmNote *
PmRA 91 PmDE -97 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 102439