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Current system
19240-5320
HDS 2751
HD 181650


Nearby doubles
7' : 19247-5323
FIN 271

14' : 19235-5307
KPP1847

21' : 19263-5322
VOU 23

22' : 19231-5339
HDS2744

23' : 19254-5338
KPP 692

29' : 19233-5347
BRT3341

45' : 19252-5403
UC 3928

49' : 19292-5306
LPO 67

58' : 19265-5226
COO 236

67' : 19229-5425
LWR 3AB

69' : 19278-5420
HJ 5114AB

71' : 19315-5259
RST1036AB

71' : 19162-5328
TOK 329

74' : 19230-5432
CVN 63AB

76' : 19170-5239
LDS 673

90' : 19174-5427
UC 3880

92' : 19249-5148
B 1384

93' : 19231-5148
UC 3913

94' : 19328-5229
KPP3100

98' : 19233-5143
BRT1094

103' : 19275-5458
RST1035

109' : 19322-5441
B 437AB

110' : 19223-5132
BRT1093

111' : 19118-5319
FIN 68

112' : 19243-5128
SKF1090

112' : 19261-5510
CPO 612



Selections
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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.

19240-5320 HDS 2751 (HD 181650)

 
 
19h 24m 02.50s -53° 19' 34.1" P.A. 328.00 sep 0.1 mag 9.01,10.02 Sp G5V dist. 78.49 pc (256.03 l.y.)
 
 
Coord 2000 19240-5320 Discov num HDS2751 Comp Coord arcsec 2000 19 24 02.50 -53 19 34.1
Date first 1991 Date last 2021 Obs 10
Pa first 59 Pa last 328.1 P.A. Now (θ) 328.1°
Sep first 0.2 Sep last 0.09 Sep. Now (ρ) 0.09"
Mag pri 9.01 Mag sec 10.02 delta mag (ΔM) 1.01 Spectral class G5V (yellow)
Pri motion ra +076 Sec motion ra
Pri motion dec -146 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 181650 Constellation Telescopium SAO 246067 HIP 95360
Tycho2 8761-01321-1 Gaia DR2 6643918105987457536 HD 181650 CP CP-53 9544
Distance 78.49 Distance ly 256.03
 
 
ORBITAL ELEMENTS
 
 
Period (P)20.61y± 0.61 Periastron (T)2019.52y± 0.13 Semi-major axis (a)0.119a± 0.006
Eccentricity (e)0.6 Inclination (i)33.6°± 5.2 Longitude of periastron (ω)67°± 9.6
Node (Ω)157.4°± 12.8 Notes ReferenceTok2019c
Equinox Last observation2018 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 304.5 0.062
2001 332.7 0.093
2002 347.9 0.116
2003 358.5 0.133
2004 6.9 0.146
2005 14.1 0.155
2006 20.7 0.161
2007 27.0 0.164
2008 33.0 0.165
2009 39.1 0.164
2010 45.3 0.161
2011 51.8 0.157
2012 58.7 0.151
2013 66.4 0.143
2014 75.0 0.133
2015 85.1 0.122
2016 97.4 0.109
2017 113.4 0.094
2018 136.4 0.075
2019 178.3 0.051
2020 266.9 0.044
2021 318.3 0.075
2022 339.5 0.103
2023 352.4 0.123
2024 1.9 0.139
2025 9.8 0.150
2026 16.8 0.158
2027 23.2 0.162
2028 29.3 0.165
2029 35.4 0.165
2030 41.5 0.163


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.


 
  


wds19240-5320a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 19240-5320 HDS 2751 (HD 181650) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2019c St j Tokovinin, A., Mason, B.D., Mendez, R.A., Horch, E.P. & Briceno, C. 2019AJ....158...48T
Tok2019c +orb AJ 158, 48, 2019
 
 
DISCOVERER
 
 
idgroup discov author
1 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
19240-5320 HDS2751 1991 1 59 0.2 9.01 10.02 G5V 192402.50-531934.1
19240-5320 HDS2751 2014 2 80 0.1 9.01 10.02 G5V 192402.50-531934.1
19240-5320 HDS2751 2017 3 124 0.1 9.01 10.02 G5V 192402.50-531934.1
19240-5320 HDS2751 2018 5 161 0.1 9.01 10.02 G5V 192402.50-531934.1
19240-5320 HDS2751 2019 6 209 0.0 9.01 10.02 G5V O 192402.50-531934.1
19240-5320 HDS2751 2020 8 308 0.1 9.01 10.02 G5V O 192402.50-531934.1
19240-5320 HDS2751 2021 10 328 0.1 9.01 10.02 G5V O 192402.50-531934.1

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

 
 
WDS 19240-5320 HDS 2751 (HD 181650) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19240-5320 HDS 2751 (HD 181650) : MEASURES
 
 
No records found.

 
 
WDS 19240-5320 (HD 181650) : VIRTUAL EYEPIECE
 
 

19240-5320 HDS2751A mag 9.01 Sp G5V 19240-5320 HDS2751B sep 0.1 P.A. 339.60 mag 10.02 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 19240-5320 (HD 181650) : ALADIN DSS IMAGE @ 19h 24m 02.50s -53° 19' 34.1"
 
 
 
 
WDS 19240-5320 HDS 2751 (HD 181650) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19240-5320 HDS2751 distance=0' 19247-5323 FIN 271 distance=7' 19235-5307 KPP1847 distance=14' 19263-5322 VOU 23 distance=21' 19231-5339 HDS2744 distance=22' 19254-5338 KPP 692 distance=23' 19233-5347 BRT3341 distance=29' 19252-5403 UC 3928 distance=45' 19292-5306 LPO 67 distance=49' 19265-5226 COO 236 distance=58' 19229-5425 LWR 3AB distance=67' 19229-5425 TOK 331AC distance=67' 19278-5420 HJ 5114AB distance=69' 19278-5420 HJ 5114AD distance=69' 19278-5420 HJ 5114AE distance=69' 19278-5420 I 1624BC distance=69' 19315-5259 RST1036AB distance=71' 19162-5328 TOK 329 distance=71' 19230-5432 CVN 63AB distance=74' 19230-5432 CVN 63AC distance=74' 19170-5239 LDS 673 distance=76' 19174-5427 UC 3880 distance=90' 19249-5148 B 1384 distance=92' 19231-5148 UC 3913 distance=93' 19328-5229 KPP3100 distance=94' 19233-5143 BRT1094 distance=98' 19275-5458 RST1035 distance=103' 19322-5441 B 437BC distance=109' 19322-5441 B 437AB distance=109' 19223-5132 BRT1093 distance=110' 19118-5319 FIN 68 distance=111' 19243-5128 SKF1090 distance=112' 19261-5510 CPO 612 distance=112' 19148-5205 UC 3865 distance=113' 19361-5251 WIS 334 distance=113' 19196-5134 I 1397 distance=113' 19360-5246 UC 3984 distance=114' 19251-5126 I 649 distance=115' 19099-5309 LDS 667 distance=128' 19122-5434 UC 3843 distance=129' 19194-5521 TDT1374 distance=129' 19368-5421 RST3229 distance=129' 19249-5111 RST1034 distance=130' 19115-5431 RST3214 distance=132' 19102-5408 HJ 5087 distance=133' 19251-5532 UC 3925 distance=133' 19183-5527 FIN 30 distance=137' 19209-5103 HJ 5104 distance=140' 19099-5422 HJ 5086 distance=140' 19124-5148 DUN 225AB distance=140' 19124-5148 HU 1654AC distance=140' 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 19240-5320 HDS2751 328 0.1
Show 19247-5323 FIN 271 119 0.4 7
Show 19235-5307 KPP1847 307 14.3 14
Show 19263-5322 VOU 23 201 0.7 21
Show 19231-5339 HDS2744 328 13.9 22
Show 19254-5338 KPP 692 305 6.2 23
Show 19233-5347 BRT3341 91 3.6 29
Show 19252-5403 UC 3928 30 40.6 45
Show 19292-5306 LPO 67 134 3.1 49
Show 19265-5226 COO 236 133 3.8 58
Show 19229-5425 LWR 3 AB 167 4.2 67
Show 19229-5425 TOK 331 AC 171 416.3 67
Show 19278-5420 HJ 5114 AB 236 76.1 69
Show 19278-5420 HJ 5114 AD 94 72.9 69
Show 19278-5420 HJ 5114 AE 260 1.5 69
Show 19278-5420 I 1624 BC 344 7.2 69
Show 19315-5259 RST1036 AB 69 1.9 71
Show 19162-5328 TOK 329 223 158.1 71
Show 19230-5432 CVN 63 AB 251 4.8 74
Show 19230-5432 CVN 63 AC 275 5.8 74
Show 19170-5239 LDS 673 96 30.7 76
Show 19174-5427 UC 3880 193 11.5 90
Show 19249-5148 B 1384 168 1.9 92
Show 19231-5148 UC 3913 20 8.7 93
Show 19328-5229 KPP3100 91 2.7 94
Show 19233-5143 BRT1094 53 4.8 98
Show 19275-5458 RST1035 283 0.4 103
Show 19322-5441 B 437 BC 352 4.2 109
Show 19322-5441 B 437 AB 334 25.1 109
Show 19223-5132 BRT1093 7 3.6 110
Show 19118-5319 FIN 68 245 0.5 111
Show 19243-5128 SKF1090 224 50.5 112
Show 19261-5510 CPO 612 60 5.9 112
Show 19148-5205 UC 3865 11 26.4 113
Show 19361-5251 WIS 334 85 999.9 113
Show 19196-5134 I 1397 349 1.9 113
Show 19360-5246 UC 3984 354 37.5 114
Show 19251-5126 I 649 270 2.2 115
Show 19099-5309 LDS 667 172 15.2 128
Show 19122-5434 UC 3843 196 56.3 129
Show 19194-5521 TDT1374 251 0.5 129
Show 19368-5421 RST3229 30 2.6 129
Show 19249-5111 RST1034 125 2.2 130
Show 19115-5431 RST3214 329 1.1 132
Show 19102-5408 HJ 5087 19 14.8 133
Show 19251-5532 UC 3925 45 9.8 133
Show 19183-5527 FIN 30 31 1.5 137
Show 19209-5103 HJ 5104 38 18.2 140
Show 19099-5422 HJ 5086 291 16.5 140
Show 19124-5148 DUN 225 AB 250 70.2 140
Show 19124-5148 HU 1654 AC 261 28.2 140

 
 
WDS 19240-5320 : COMPONENTS
 
 
  A
B pa=339.6°
sep=0.08"
 
 
19240-5320 A
 
 
Componente originario normalizzato AB Name HD 181650 Coord arcsec 2000 192402.50-531934.1 Mag 9.01
Spectral class G5V (yellow) PmRA 76.00 PmDE -146.0 SAO 246067
HIP 95360 Tycho2 8761-01321-1 HD 181650 CP CP-53 9544
Tycho2
Tycho2 8761-01321-1 Pflag RAmdeg 291.01074765 DEmdeg -53.32651650
PmRA 77.9 PmDE -151.3 E RAmdeg 9 E DEmdeg 9
E pmRA 1.2 E pmDE 1.3 EpRAm 1990.09 EpDEm 1990.36
Num 9 Q RAmdeg 0.9 Q DEmdeg 0.9 Q pmRA 0.9
Q pmDE 0.8 BTmag 9.303 E BTmag 0.020 VTmag 8.573
E VTmag 0.015 Prox 999 TYC T HIP 95360
CCDM AB RAdeg 291.01044750 DEdeg -53.32617083 EpRA 1990 1.73
EpDE 1990 1.78 E RAdeg 8.6 E DEdeg 8.6 Posflg P
Corr -0.2
SAO
SAO 246067 DelFlag RA1950 PmRA1950 0.0073
DE1950 PmDE1950 -0.166 Vmag 8.5 SpType G0
Double code Source 42 CatNum 7667 DM CP-53 9544
DMcomp BDsup HD 181650 M HD 0
GC RA1950rad 5.06175399 DE1950rad -0.93239102 PmRA2000 0.007
PmDE2000 -0.169
Hipparcos
Catalog H HIP 95360 Proxy H RAhms 19 24 02.50
DEdms -53 19 34.1 Vmag 8.51 VarFlag R Vmag H
RAdeg 291.01 DEdeg -53.3261 AstroRef * Plx 12
CCDM 19240-5320 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source S Qual B M HIP AB
Theta 59 Rho 0.161 HD 181650 BD
CD CP CP-53 9544 Dm number -53 9544 VIred 0.72
SpType G5V R SpType Coord arcsec 2000 192402.50-531934.1
Hipparcos 2
HIP 95360 Sn 55 So 3 Nc 2
RArad 5.0790902031 DErad -0.9307168249 Plx 12.74 PmRA 75.11
PmDE -145.99 E RArad 0.83 E DErad 0.7 E Plx 1.02
E pmRA 1.12 E pmDE 0.75 Hpmag 8.6454 E Hpmag 0.0022
SHp 0.016 VA 0 BV 0.667 E BV 0.019
VI 0.73
CCDM
Ccdm 19240-5320 RComp Comp A Note1
Note2 Discov num DRAs 2.57 DDEs 24.6
R dRAs 82 Year Theta Rho
Obs 2 Vmag 9.0 Sp G5 PmNote *
PmRA 76 PmDE -146 Dm number -53 9544 Cat1 CPD
Name2 246067 Cat2 SAO HD 181650 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 95360
 
 
19240-5320 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 192402.50-531934.0 Mag 10.02 Calc delta mag 1.01
Calc coord yes
CCDM
Ccdm 19240-5320 RComp Comp B Note1
Note2 Discov num HDS DRAs 2.59 DDEs 24.7
R dRAs 82 Year 1991 Theta 59 Rho 0.2
Obs 1 Vmag 10.0 Sp PmNote *
PmRA 76 PmDE -146 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 95360