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Doubles in session


Current system
20516-5623
HJ 5223
HD 198251


Nearby doubles
16' : 20496-5622
BRT2827

46' : 20559-5555
HJ 5232

52' : 20539-5535
B 505

65' : 20457-5542
TVB 316

66' : 20561-5718
BRT2828

89' : 20428-5535
TDT2492

90' : 20453-5511
B 499

93' : 20408-5559
HDS2948

99' : 20492-5447
NSN 451

104' : 20428-5737
WSI 136

109' : 21046-5621
RST1081

109' : 21024-5525
BRT3187

116' : 20484-5431
HDS2964

121' : 20470-5818
HU 1619

122' : 20445-5811
RST5158

124' : 21042-5520
RST5552AB

125' : 21006-5804
TSN 37

127' : 20548-5827
B 2487

128' : 20598-5437
LDS 730

130' : 20491-5415
UC 4299

133' : 20363-5549
KPP3077

136' : 21073-5702
HDS3009

139' : 21078-5702
HJ 5243AB

140' : 21069-5529
HJ 5241

142' : 21058-5744
HU 1625

143' : 21067-5735
TOI2201



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.

20516-5623 HJ 5223 (HD 198251)

 
 
20h 51m 33.91s -56° 23' 17.3" P.A. 110.00 sep 9.0 mag 9.45,9.46 Sp F8 dist. 158.23 pc (516.15 l.y.)
 
 
Coord 2000 20516-5623 Discov num HJ 5223 Comp Coord arcsec 2000 20 51 33.91 -56 23 17.3
Date first 1836 Date last 2015 Obs 21
Pa first 114 Pa last 109.6 P.A. Now (θ) 109.6°
Sep first 12.0 Sep last 8.965 Sep. Now (ρ) 8.965"
Mag pri 9.45 Mag sec 9.46 delta mag (ΔM) 0.01 Spectral class F8 (yellow-white)
Pri motion ra +033 Sec motion ra +045
Pri motion dec -021 Sec motion dec -030
Notes
rPM=0.277 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 198251 Constellation Indus SAO 246760 HIP 102957
Tycho2 8799-01568-1 Gaia DR2 6457570195251446272 HD 198251 CP CP-56 9555
Distance 158.23 Distance ly 516.15
 
 
WDS 20516-5623 HJ 5223 (HD 198251) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HJ_1826 Mb - Herschel, J.F.W. 1826MmRAS...2..459H
HJ_1826 MemRAS 2, 459, 1826
HJ_1829a Mb - Herschel, J.F.W. 1829MmRAS...3...47H
HJ_1829a MemRAS 3, 47, 1829
HJ_1829b Mb - Herschel, J.F.W. 1829MmRAS...3..177H
HJ_1829b MemRAS 3, 177, 1829
HJ_1831 Ma - Herschel, J.F.W. 1831MmRAS...4..331H
HJ_1831 +Mb MemRAS 4, part 2, 331, 1831
HJ_1833a Ma - Herschel, J.F.W. 1833MmRAS...5...13H
HJ_1833a +Mb MemRAS 5, 13, 1833
HJ_1833b orb - Herschel, J.F.W. 1833MmRAS...5..171H
HJ_1833b MemRAS 5, 171, 1833
HJ_1833c Mb - Herschel, J.F.W. 1833MmRAS...6....1H
HJ_1833c MemRAS 6, 1, 1833
HJ_1833d orb - Herschel, J.F.W. 1833MmRAS...6..149H
HJ_1833d MemRAS 6, 149, 1833
HJ_1835 Ma - Herschel, J.F.W. 1835MmRAS...8...37H
HJ_1835 +Mb MemRAS 8, 37, 1835
HJ_1836 Mb - Herschel, J.F.W. 1836MmRAS...9..193H
HJ_1836 MemRAS 9, 193, 1836
HJ_1847a Ma j Herschel, J.F.W. .
HJ_1847a +Mb Cape Results, London, 1847 (Cape of Good Hope Astronomical Observations 1834-1838)
HJ_1847b Ma j Herschel, J.F.W. .
HJ_1847b Cape Results, London, 1847
HJ_1850 orb - Herschel, J.F.W. 1850MmRAS..18...47H
HJ_1850 MemRAS 18, 47, 1850
HJ_1870 Mb - Herschel, J.F.W. 1870MmRAS..38....1H
HJ_1870 MemRAS 38, 1, 1870
HJ_1874A - Herschel, J.F.W. 1874MNRAS..35...28B
HJ_1874A cited by Burnham (MNRAS 35, 28, 1874)
HJ_1875A Ma - Herschel, J.F.W. 1875AN.....85..323D
HJ_1875A +Mb cited by Doberck, 1875 (see Dob1875b,f,g,h)
HJ_1880A Ma - Herschel, J.F.W. 1880Obs.....3..508G
HJ_1880A +Mb cited by Gledhill (Obs 3, 508, 1880)
HJ_1880B Mb - Herschel, J.F.W. 1880MNRAS..40..497B
HJ_1880B cited by Burnham (MNRAS 40, 497, 1880)
HJ_1897A Ma j Herschel, J.F.W. 1897MNRAS..57..541S
HJ_1897A cited by See (MNRAS 57, 541, 1897)
HJ_1905A Ma - Herschel, J.F.W. 1905LicOB...3..147A
HJ_1905A +Mb cited by Aitken (Lick Obs. Bull. 3, 147, 1905)
HJ_1906A Ma - Herschel, J.F.W. 1906MmRAS..56....1L
HJ_1906A +Mb cited by Lewis (MemRAS 56, 1, 1906)
HJ_1906B Ma - Herschel, J.F.W. 1906QB821.B972.....
HJ_1906B +Mb cited in BDS (Burnham Double Star Cat.), 1906
HJ_1927A Mb - Herschel, J.F.W. 1927sdsc.book......
HJ_1927A cited in SDS (Southern Double Star Catalog), 1927
HJ_1932A Mb - Herschel, J.F.W. 1932QB821.A43......
HJ_1932A cited in ADS (Aitken Double Star Cat.), 1932
HJ_9999 M j Herschel, J.F.W. ...................
HJ_9999 +Ma 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
20516-5623 HJ 5223 2004 18 110 9.1 9.45 9.46 F8 D 205133.91-562317.3
20516-5623 HJ 5223 2015 20 110 9.0 9.45 9.46 F8 205133.91-562317.3

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

 
 
WDS 20516-5623 HJ 5223 (HD 198251) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20516-5623 HJ 5223 (HD 198251) : MEASURES
 
 
No records found.

 
 
WDS 20516-5623 (HD 198251) : VIRTUAL EYEPIECE
 
 

20516-5623 HJ 5223A mag 9.45 Sp F8 20516-5623 HJ 5223B sep 5.6 P.A. 122.80 mag 9.46 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 20516-5623 (HD 198251) : ALADIN DSS IMAGE @ 20h 51m 33.91s -56° 23' 17.3"
 
 
 
 
WDS 20516-5623 HJ 5223 (HD 198251) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20516-5623 HJ 5223 distance=0' 20496-5622 BRT2827 distance=16' 20559-5555 HJ 5232 distance=46' 20539-5535 B 505 distance=52' 20457-5542 TVB 316 distance=65' 20561-5718 BRT2828 distance=66' 20428-5535 TDT2492 distance=89' 20453-5511 B 499 distance=90' 20408-5559 HDS2948 distance=93' 20492-5447 NSN 451 distance=99' 20428-5737 WSI 136 distance=104' 21046-5621 RST1081 distance=109' 21024-5525 BRT3187 distance=109' 20484-5431 HDS2964 distance=116' 20470-5818 HU 1619 distance=121' 20445-5811 RST5158 distance=122' 21042-5520 RST5552AB distance=124' 21042-5520 HJ 5239AB,C distance=124' 21006-5804 TSN 37 distance=125' 20548-5827 B 2487 distance=127' 20598-5437 LDS 730 distance=128' 20491-5415 UC 4299 distance=130' 20363-5549 KPP3077 distance=133' 21073-5702 HDS3009 distance=136' 21078-5702 HJ 5243AB distance=139' 21078-5702 CRU9014AC distance=139' 21069-5529 HJ 5241 distance=140' 21058-5744 HU 1625 distance=142' 21067-5735 TOI2201 distance=143' 20379-5449 B 495 distance=150' 20333-5718 RST1073 distance=160' 20442-5853 UC 4274 distance=162' 21042-5423 HDS3000 distance=162' 20372-5816 UC 4234AB distance=163' 20420-5400 WIS 341 distance=165' 21005-5356 KPP3078 distance=166' 20574-5905 TOK 701Ba,Bb distance=168' 20574-5905 COO 241 distance=168' 20505-5911 UC 4307 distance=169' 21116-5533 UC 4398 distance=176' 20564-5916 I 129AB distance=178' 20564-5916 I 129AC distance=178' 20596-5336 B 511 distance=181' 20590-5328 UC 4349 distance=187' 20596-5329 KPP 482 distance=188' 21000-5326 HDS2993 distance=192' 20458-5317 UC 4283 distance=193' 21104-5434 HJ 5246 distance=194' 20355-5850 KPP1799 distance=196' 20496-5946 KPP2031 distance=204' 20333-5352 HU 1532 distance=218' 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 20516-5623 HJ 5223 110 9.0
Show 20496-5622 BRT2827 114 4.5 16
Show 20559-5555 HJ 5232 3 27.8 46
Show 20539-5535 B 505 108 0.1 52
Show 20457-5542 TVB 316 165 3.1 65
Show 20561-5718 BRT2828 58 4.5 66
Show 20428-5535 TDT2492 212 2.9 89
Show 20453-5511 B 499 51 3.5 90
Show 20408-5559 HDS2948 214 0.9 93
Show 20492-5447 NSN 451 17 23.4 99
Show 20428-5737 WSI 136 338 2.2 104
Show 21046-5621 RST1081 215 0.1 109
Show 21024-5525 BRT3187 212 5.1 109
Show 20484-5431 HDS2964 79 0.9 116
Show 20470-5818 HU 1619 35 1.2 121
Show 20445-5811 RST5158 357 0.6 122
Show 21042-5520 RST5552 AB 319 0.8 124
Show 21042-5520 HJ 5239 AB,C 213 12.7 124
Show 21006-5804 TSN 37 300 16.4 125
Show 20548-5827 B 2487 99 16.9 127
Show 20598-5437 LDS 730 311 33.1 128
Show 20491-5415 UC 4299 316 20.1 130
Show 20363-5549 KPP3077 66 5.4 133
Show 21073-5702 HDS3009 203 0.3 136
Show 21078-5702 HJ 5243 AB 96 24.4 139
Show 21078-5702 CRU9014 AC 271 226.1 139
Show 21069-5529 HJ 5241 40 12.6 140
Show 21058-5744 HU 1625 288 0.1 142
Show 21067-5735 TOI2201 159 1.0 143
Show 20379-5449 B 495 190 1.7 150
Show 20333-5718 RST1073 100 0.4 160
Show 20442-5853 UC 4274 345 11.7 162
Show 21042-5423 HDS3000 151 0.3 162
Show 20372-5816 UC 4234 AB 131 9.3 163
Show 20420-5400 WIS 341 113 999.9 165
Show 21005-5356 KPP3078 214 6.2 166
Show 20574-5905 TOK 701 Ba,Bb 219 0.1 168
Show 20574-5905 COO 241 260 3.7 168
Show 20505-5911 UC 4307 1 25.2 169
Show 21116-5533 UC 4398 100 7.2 176
Show 20564-5916 I 129 AB 335 2.6 178
Show 20564-5916 I 129 AC 26 38.4 178
Show 20596-5336 B 511 167 1.3 181
Show 20590-5328 UC 4349 287 10.4 187
Show 20596-5329 KPP 482 246 3.7 188
Show 21000-5326 HDS2993 235 0.1 192
Show 20458-5317 UC 4283 105 7.3 193
Show 21104-5434 HJ 5246 135 3.4 194
Show 20355-5850 KPP1799 124 13.9 196
Show 20496-5946 KPP2031 85 16.2 204
Show 20333-5352 HU 1532 269 0.6 218

 
 
WDS 20516-5623 : COMPONENTS
 
 
  A
B pa=122.8°
sep=5.56"
 
 
20516-5623 A
 
 
Componente originario normalizzato AB Name HD 198251 Coord arcsec 2000 205133.91-562317.3 Mag 9.45
Spectral class F8 (yellow-white) PmRA 33.00 PmDE -21.0 SAO 246760
HIP 102957 Tycho2 8799-01568-1 HD 198251 CP CP-56 9555
Tycho2
Tycho2 8799-01568-1 Pflag RAmdeg 312.89130388 DEmdeg -56.38813721
PmRA 28.1 PmDE -12.5 E RAmdeg 13 E DEmdeg 11
E pmRA 2.0 E pmDE 1.6 EpRAm 1990.49 EpDEm 1989.96
Num 5 Q RAmdeg 3.5 Q DEmdeg 2.6 Q pmRA 3.6
Q pmDE 2.6 BTmag 9.942 E BTmag 0.023 VTmag 9.453
E VTmag 0.019 Prox 90 TYC T HIP 102957
CCDM B RAdeg 312.89118639 DEdeg -56.38810833 EpRA 1990 1.87
EpDE 1990 1.87 E RAdeg 12.6 E DEdeg 10.9 Posflg
Corr -0.3
SAO
SAO 246760 DelFlag RA1950 PmRA1950 0.0074
DE1950 PmDE1950 -0.03 Vmag 8.5 SpType F8
Double code Source 43 CatNum 6611 DM CP-56 9555
DMcomp BDsup HD 198251 M HD 0
GC RA1950rad 5.44437086 DE1950rad -0.98743251 PmRA2000 0.0068
PmDE2000 -0.033
Hipparcos
Catalog H HIP 102957 Proxy H RAhms 20 51 33.88
DEdms -56 23 17.2 Vmag 8.62 VarFlag R Vmag H
RAdeg 312.891 DEdeg -56.3881 AstroRef B Plx 1.27
CCDM 20516-5623 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP BA
Theta 110 Rho 8.987 HD 198251 BD
CD CP CP-56 9555 Dm number -56 9555 VIred 0.65
SpType F8 R SpType Coord arcsec 2000 205133.88-562317.2
Hipparcos 2
HIP 102957 Sn 15 So 3 Nc 2
RArad 5.4609810588 DErad -0.9841581602 Plx 6.32 PmRA 36.3
PmDE -24.21 E RArad 2 E DErad 1.27 E Plx 2.21
E pmRA 2.39 E pmDE 1.48 Hpmag 8.7136 E Hpmag 0.0023
SHp 0.021 VA 0 BV 0.418 E BV 0.018
VI 0.48
CCDM
Ccdm 20516-5623 RComp Comp A Note1
Note2 Discov num DRAs -1.00 DDEs -21.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.2 Sp F8 PmNote *
PmRA 21 PmDE -36 Dm number -56 9555 Cat1 CPD
Name2 Cat2 HD 198251 M HD
ADS BDS M ADS BDS N IDS IDS 20439S5646A
HIC 102957
 
 
20516-5623 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 205134.47-562320.3 Mag 9.46 PmRA 45.00
PmDE -30.0 Tycho2 8799-01171-1 Calc delta mag 0.01 Calc coord yes
Tycho2
Tycho2 8799-01171-1 Pflag RAmdeg 312.89564658 DEmdeg -56.38902458
PmRA 53.5 PmDE -35.4 E RAmdeg 13 E DEmdeg 11
E pmRA 2.9 E pmDE 2.7 EpRAm 1991.17 EpDEm 1991.30
Num 3 Q RAmdeg 5.7 Q DEmdeg 4.5 Q pmRA 5.7
Q pmDE 4.5 BTmag 9.901 E BTmag 0.023 VTmag 9.463
E VTmag 0.019 Prox 90 TYC T HIP 102957
CCDM A RAdeg 312.89543028 DEdeg -56.38894528 EpRA 1990 1.88
EpDE 1990 1.87 E RAdeg 12.6 E DEdeg 10.7 Posflg
Corr -0.3
CCDM
Ccdm 20516-5623 RComp Comp B Note1
Note2 Discov num HJ 5223 DRAs -2.03 DDEs -18.1
R dRAs 10 Year 1873 Theta 290 Rho 9.1
Obs 3 Vmag 9.3 Sp PmNote *
PmRA 61 PmDE -30 Dm number Cat1
Name2 246760 Cat2 SAO HD M HD
ADS BDS M ADS BDS N IDS IDS 20439S5646B
HIC 102957