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Doubles in session


Current system
20488+0512
J 2321 AB


Nearby doubles
12' : 20492+0502
HDS2967

27' : 20500+0533
STTA210AB

29' : 20496+0538
GWP3002

33' : 20506+0453
BAL2974

36' : 20511+0526
GCB 59

41' : 20514+0524
TOB 313

46' : 20478+0555
TDT2543

47' : 20484+0426
AG 267

51' : 20478+0600
BU 65

52' : 20473+0426
UC 4288

54' : 20458+0445
BAL2971

57' : 20526+0517
GCB 75

57' : 20519+0544
A 613

59' : 20516+0431
KPP1501

59' : 20527+0527
J 572

61' : 20529+0529
GCB 60

63' : 20457+0430
A 2285AB

65' : 20484+0407
BAL2546

65' : 20455+0553
HDS2954

71' : 20459+0607
TDT2523

76' : 20464+0618
TDT2533

77' : 20530+0427
TDT2603

78' : 20533+0551
UC 4318

79' : 20525+0416
TDT2595

79' : 20511+0623
STF2730

88' : 20513+0353
GWP3006



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

20488+0512 J 2321 AB

 
 
20h 48m 50.73s +05° 11' 58.1" P.A. 151.00 sep 6.6 mag 9.70,12.40 Sp F7Vwe dist. 621.12 pc (2026.09 l.y.)
 
 
Coord 2000 20488+0512 Discov num J  2321 Comp AB Coord arcsec 2000 20 48 50.73 +05 11 58.1
Date first 1994 Date last 2020 Obs 15
Pa first 151 Pa last 150.6 P.A. Now (θ) 150.6°
Sep first 6.5 Sep last 6.647 Sep. Now (ρ) 6.647"
Mag pri 9.70 Mag sec 12.40 delta mag (ΔM) 2.7 Spectral class F7Vwe (yellow-white)
Pri motion ra -002 Sec motion ra -060
Pri motion dec +080 Sec motion dec +114
Notes N (See Notes)
rPM=0.522
Nature of this double is uncertain.
 
 
20488+0512 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 48 51 +05 11 58 J 2321 AB 2020 15 151 6.6 9.70 12.40 2.70 <===
Show 20 48 51 +05 11 58 OSO 135 AC 2020 12 158 16.6 9.70 11.90 2.20
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus HIP 102718 Tycho2 0520-01049-1 Gaia DR2 1735602988759121920
BD BD+04 4551 Distance 621.12 Distance ly 2026.09
 
 
WDS 20488+0512 J 2321 AB : NOTES
 
 
discov_num notes refcode
OSO 135 C is not a common proper motion companion to A Oso2004
 
 
REFERENCES
 
 
refcode metd author reference
Oso2004 C j Zapatero Osorio, M.R. & Martin, E.L. 2004A&A...419..167Z
Oso2004 +Pa A&A 419, 167, 2004
 
 
DISCOVERER
 
 
idgroup discov author
1 J Jonckheere, R.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20488+0512 J 2321 AB 2006 6 151 6.6 9.61 10.80 F7Vwe D 204850.73+051158.1
20488+0512 J 2321 AB 2013 8 152 6.7 9.70 12.40 F7Vwe N 204850.73+051158.1
20488+0512 J 2321 AB 2015 9 152 6.6 9.70 12.40 F7Vwe N 204850.73+051158.1
20488+0512 J 2321 AB 2020 14 151 6.6 9.70 12.40 F7Vwe N 204850.73+051158.1

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

 
 
WDS 20488+0512 J 2321 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20488+0512 J 2321 AB : MEASURES
 
 
No records found.

 
 
WDS 20488+0512 : VIRTUAL EYEPIECE
 
 

20488+0512 J 2321A mag 9.7 Sp F7Vwe 20488+0512 J 2321B sep 6.6 P.A. 150.70 mag 12.4 20488+0512 OSO 135C sep 16.6 P.A. 158.30 mag 11.9 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 20488+0512 : ALADIN DSS IMAGE @ 20h 48m 50.73s +05° 11' 58.1"
 
 
 
 
WDS 20488+0512 J 2321 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20488+0512 J 2321AB distance=0' 20492+0502 HDS2967 distance=12' 20500+0533 STTA210AB distance=27' 20500+0533 STTA210BC distance=27' 20496+0538 GWP3002 distance=29' 20506+0453 BAL2974 distance=33' 20511+0526 GCB 59 distance=36' 20514+0524 TOB 313 distance=41' 20478+0555 TDT2543 distance=46' 20484+0426 AG 267 distance=47' 20478+0600 BU 65 distance=51' 20473+0426 UC 4288 distance=52' 20458+0445 BAL2971 distance=54' 20526+0517 GCB 75 distance=57' 20519+0544 A 613 distance=57' 20516+0431 KPP1501 distance=59' 20527+0527 J 572 distance=59' 20529+0529 GCB 60 distance=61' 20457+0430 A 2285AB distance=63' 20457+0430 A 2285AC distance=63' 20484+0407 BAL2546 distance=65' 20455+0553 HDS2954 distance=65' 20459+0607 TDT2523 distance=71' 20464+0618 TDT2533 distance=76' 20530+0427 TDT2603 distance=77' 20533+0551 UC 4318 distance=78' 20525+0416 TDT2595 distance=79' 20511+0623 STF2730 distance=79' 20513+0353 GWP3006 distance=88' 20466+0344 BAL2545 distance=95' 20452+0352 UC 4280 distance=97' 20460+0344 BAL2544 distance=99' 20540+0614 TDT2616 distance=99' 20533+0627 TDT2607 distance=101' 20539+0620 TDS1107 distance=102' 20541+0357 HJ 3005 distance=109' 20557+0432 STF2735 distance=110' 20561+0535 TDT2642 distance=112' 20559+0435 UC 4332 distance=113' 20529+0337 BAL2547 distance=114' 20487+0706 J 3223 distance=118' 20442+0648 SKF2552BC distance=119' 20442+0648 SKF2552AB distance=119' 20442+0648 SKF2552AC distance=119' 20537+0336 BAL2548 distance=121' 20564+0422 CVR 877 distance=123' 20546+0641 SLN 86 distance=123' 20457+0709 BU 834 distance=127' 20543+0650 TDT2621 distance=128' 20525+0310 GWP3009 distance=134' 20528+0311 HLD 43 distance=135' 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 20488+0512 J 2321 AB 151 6.6
Show 20488+0512 OSO 135 AC 158 16.6
Show 20492+0502 HDS2967 190 0.4 12
Show 20500+0533 STTA210 AB 127 78.2 27
Show 20500+0533 STTA210 BC 222 12.4 27
Show 20496+0538 GWP3002 247 57.2 29
Show 20506+0453 BAL2974 42 3.7 33
Show 20511+0526 GCB 59 238 10.1 36
Show 20514+0524 TOB 313 130 20.8 41
Show 20478+0555 TDT2543 263 0.6 46
Show 20484+0426 AG 267 260 6.1 47
Show 20478+0600 BU 65 200 1.5 51
Show 20473+0426 UC 4288 79 48.6 52
Show 20458+0445 BAL2971 21 17.1 54
Show 20526+0517 GCB 75 101 3.3 57
Show 20519+0544 A 613 324 0.7 57
Show 20516+0431 KPP1501 50 11.3 59
Show 20527+0527 J 572 138 3.4 59
Show 20529+0529 GCB 60 152 6.5 61
Show 20457+0430 A 2285 AB 222 7.7 63
Show 20457+0430 A 2285 AC 116 33.4 63
Show 20484+0407 BAL2546 40 9.6 65
Show 20455+0553 HDS2954 298 1.0 65
Show 20459+0607 TDT2523 80 1.7 71
Show 20464+0618 TDT2533 230 0.7 76
Show 20530+0427 TDT2603 281 1.7 77
Show 20533+0551 UC 4318 168 33.0 78
Show 20525+0416 TDT2595 359 0.7 79
Show 20511+0623 STF2730 333 3.3 79
Show 20513+0353 GWP3006 117 24.4 88
Show 20466+0344 BAL2545 281 11.8 95
Show 20452+0352 UC 4280 255 36.1 97
Show 20460+0344 BAL2544 14 16.7 99
Show 20540+0614 TDT2616 100 0.4 99
Show 20533+0627 TDT2607 281 0.6 101
Show 20539+0620 TDS1107 110 1.6 102
Show 20541+0357 HJ 3005 300 30.5 109
Show 20557+0432 STF2735 282 2.0 110
Show 20561+0535 TDT2642 77 0.6 112
Show 20559+0435 UC 4332 60 52.9 113
Show 20529+0337 BAL2547 220 8.5 114
Show 20487+0706 J 3223 307 2.7 118
Show 20442+0648 SKF2552 BC 343 11.4 119
Show 20442+0648 SKF2552 AB 60 17.6 119
Show 20442+0648 SKF2552 AC 31 23.1 119
Show 20537+0336 BAL2548 258 7.5 121
Show 20564+0422 CVR 877 125 26.3 123
Show 20546+0641 SLN 86 160 4.8 123
Show 20457+0709 BU 834 134 2.4 127
Show 20543+0650 TDT2621 4 1.7 128
Show 20525+0310 GWP3009 237 76.6 134

 
 
WDS 20488+0512 : COMPONENTS
 
 
  A B
B pa=150.7°
sep=6.64"
 
C pa=158.3°
sep=16.60"
pa=163.3°
sep=10.05"
 
 
20488+0512 A
 
 
Coord arcsec 2000 204850.73+051158.1 Mag 9.7 Spectral class F7Vwe (yellow-white) PmRA -2.00
PmDE 80.0 HIP 102718 Tycho2 0520-01049-1 BD BD+04 4551
Tycho2
Tycho2 0520-01049-1 Pflag RAmdeg 312.21135208 DEmdeg 5.19967165
PmRA 0.3 PmDE 78.4 E RAmdeg 13 E DEmdeg 17
E pmRA 1.2 E pmDE 1.1 EpRAm 1990.03 EpDEm 1988.41
Num 9 Q RAmdeg 1.7 Q DEmdeg 1.5 Q pmRA 1.7
Q pmDE 1.5 BTmag 10.264 E BTmag 0.028 VTmag 9.759
E VTmag 0.024 Prox 999 TYC T HIP 102718
CCDM RAdeg 312.21135139 DEdeg 5.19948639 EpRA 1990 1.75
EpDE 1990 1.52 E RAdeg 12.9 E DEdeg 17.1 Posflg
Corr -0.1
Hipparcos
Catalog H HIP 102718 Proxy RAhms 20 48 50.73
DEdms +05 11 58.1 Vmag 9.59 VarFlag R Vmag H
RAdeg 312.211 DEdeg 5.19948 AstroRef Plx 1.64
CCDM 20488+0512 N CCDM I Nsys 1 Ncomp 1
MultFlag X Source Qual S M HIP
Theta Rho HD BD BD+04 4551
CD CP Dm number +04 4551 VIred 0.59
SpType F7Vwe R SpType Coord arcsec 2000 204850.73+051158.1
Hipparcos 2
HIP 102718 Sn 1 So 2 Nc 1
RArad 5.4491161829 DErad 0.0907480071 Plx 1.61 PmRA -8.52
PmDE 77.87 E RArad 2.05 E DErad 1.27 E Plx 2.66
E pmRA 2.42 E pmDE 1.38 Hpmag 9.7074 E Hpmag 0.0033
SHp 0.028 VA 0 BV 0.541 E BV 0.027
VI 0.61
CCDM
Ccdm 20488+0512 RComp Comp A Note1
Note2 Discov num DRAs 2.75 DDEs -0.8
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.5 Sp F5 PmNote *
PmRA 5 PmDE 92 Dm number +04 4551 Cat1 BD
Name2 +05 3039 Cat2 AGK2/3 HD M HD
ADS BDS M ADS BDS N IDS IDS 20438N0450A
HIC 102718
 
 
20488+0512 B
 
 
Coord arcsec 2000 204850.95+051152.3 Mag 12.4 PmRA -60.00 PmDE 114.0
Calc delta mag 2.7 Calc coord yes
CCDM
Ccdm 20488+0512 RComp Comp B Note1
Note2 Discov num J 2321 DRAs DDEs
R dRAs Year 1942 Theta 140 Rho 7.0
Obs 1 Vmag 10.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20438N0450B
HIC 102718
 
 
20488+0512 C
 
 
Coord arcsec 2000 204851.14+051142.7 Mag 11.9 PmRA 90.00 PmDE -124.0
Calc delta mag 2.2 Calc coord yes