stampa
Login

A workbench to forge your own double stars?
Create your account here!


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
16365-6700
HDS 2347
HD 148976


Nearby doubles
9' : 16362-6708
TDS9997

16' : 16378-6714
TDT 12

24' : 16346-6721
DON 803

47' : 16406-6740
DON 805

48' : 16370-6613
TDS 825

49' : 16334-6616
SWR 204

49' : 16307-6626
TDS9941

50' : 16302-6734
DON 799

51' : 16387-6612
TDT 17

58' : 16415-6611
RST 873

59' : 16272-6722
WFC 176

60' : 16467-6707
HDO 257AB

62' : 16372-6802
SWR 207

63' : 16380-6802
HDS2354

65' : 16279-6622
HDS2328

65' : 16297-6751
TDS9927

66' : 16307-6756
TDS9942

69' : 16348-6553
RST 857

69' : 16301-6603
HJ 4849

71' : 16349-6810
HJ 4855

71' : 16338-6809
KPP2977

71' : 16477-6729
TDT 91

74' : 16468-6618
RST 878

75' : 16336-6813
TDS9971

76' : 16318-6811
KPP2321

76' : 16457-6607
TDT 73



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.

16365-6700 HDS 2347 (HD 148976)

 
 
16h 36m 32.05s -67° 00' 17.5" P.A. 118.00 sep 0.1 mag 7.25,9.83 Sp A1V dist. 138.89 pc (453.06 l.y.)
 
 
Coord 2000 16365-6700 Discov num HDS2347 Comp Coord arcsec 2000 16 36 32.05 -67 00 17.5
Date first 1991 Date last 2021 Obs 5
Pa first 233 Pa last 118.1 P.A. Now (θ) 118.1°
Sep first 0.2 Sep last 0.13 Sep. Now (ρ) 0.13"
Mag pri 7.25 Mag sec 9.83 delta mag (ΔM) 2.58 Spectral class A1V (white)
Pri motion ra -025 Sec motion ra
Pri motion dec -024 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 148976 Constellation Triangulum Australe SAO 253618 HIP 81320
Tycho2 9050-01405-1 Gaia DR2 5815560339285831168 HD 148976 GC 22277
CP CP-66 2980 Distance 138.89 Distance ly 453.06
 
 
ORBITAL ELEMENTS
 
 
Period (P)85y Periastron (T)2026.41y Semi-major axis (a)0.182a
Eccentricity (e)0.2 Inclination (i)141.1° Longitude of periastron (ω)84.2°
Node (Ω)162.3° Notes ReferenceTok2021f
Equinox Last observation2021 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 201.9 0.179
2001 198.6 0.180
2002 195.3 0.180
2003 192.0 0.181
2004 188.7 0.181
2005 185.4 0.181
2006 182.1 0.180
2007 178.8 0.180
2008 175.5 0.179
2009 172.1 0.177
2010 168.7 0.175
2011 165.2 0.173
2012 161.6 0.171
2013 157.8 0.168
2014 153.9 0.164
2015 149.9 0.160
2016 145.6 0.156
2017 141.1 0.152
2018 136.3 0.147
2019 131.1 0.142
2020 125.6 0.137
2021 119.6 0.132
2022 113.2 0.127
2023 106.3 0.123
2024 99.0 0.119
2025 91.2 0.116
2026 83.1 0.114
2027 74.8 0.113
2028 66.5 0.114
2029 58.4 0.115
2030 50.5 0.118


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


 
  


wds16365-6700a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 16365-6700 HDS 2347 (HD 148976) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2021f orb - Tokovinin, A. 2021IAUDS.204....1T
Tok2021f Inf. Circ. 204, 1, 2021
 
 
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
16365-6700 HDS2347 1991 1 233 0.2 7.25 9.83 A1V 163632.05-670017.5
16365-6700 HDS2347 2017 2 139 0.1 7.25 9.83 A1V 163632.05-670017.5
16365-6700 HDS2347 2018 3 135 0.1 7.25 9.83 A1V 163632.05-670017.5
16365-6700 HDS2347 2019 4 129 0.1 7.25 9.83 A1V 163632.05-670017.5
16365-6700 HDS2347 2021 5 118 0.1 7.25 9.83 A1V 163632.05-670017.5

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

 
 
WDS 16365-6700 HDS 2347 (HD 148976) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 16365-6700 HDS 2347 (HD 148976) : MEASURES
 
 
No records found.

 
 
WDS 16365-6700 (HD 148976) : VIRTUAL EYEPIECE
 
 

16365-6700 HDS2347A mag 7.25 Sp A1V 16365-6700 HDS2347B sep 0.1 P.A. 143.80 mag 9.83 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 16365-6700 (HD 148976) : ALADIN DSS IMAGE @ 16h 36m 32.05s -67° 00' 17.5"
 
 
 
 
WDS 16365-6700 HDS 2347 (HD 148976) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

16365-6700 HDS2347 distance=1' 16362-6708 TDS9997 distance=9' 16378-6714 TDT 12 distance=16' 16346-6721 DON 803 distance=24' 16406-6740 DON 805 distance=47' 16370-6613 TDS 825 distance=48' 16334-6616 SWR 204 distance=49' 16307-6626 TDS9941 distance=49' 16302-6734 DON 799 distance=50' 16387-6612 TDT 17 distance=51' 16415-6611 RST 873 distance=58' 16272-6722 WFC 176 distance=59' 16467-6707 HDO 257AB distance=60' 16467-6707 I 1621AC distance=60' 16372-6802 SWR 207 distance=62' 16380-6802 HDS2354 distance=63' 16279-6622 HDS2328 distance=65' 16297-6751 TDS9927 distance=65' 16307-6756 TDS9942 distance=66' 16348-6553 RST 857 distance=69' 16301-6603 HJ 4849 distance=69' 16349-6810 HJ 4855 distance=71' 16338-6809 KPP2977 distance=71' 16477-6729 TDT 91 distance=71' 16468-6618 RST 878 distance=74' 16336-6813 TDS9971 distance=75' 16318-6811 KPP2321 distance=76' 16457-6607 TDT 73 distance=76' 16227-6659 DON 791AB distance=82' 16227-6659 MLO 72AC distance=82' 16232-6728 TDS9874 distance=83' 16484-6747 TDT 96 distance=84' 16494-6626 TDT 104 distance=84' 16507-6720 TDT 113 distance=85' 16451-6522 NZO 80 distance=86' 16475-6604 HDS2382 distance=87' 16386-6535 NSN 352 distance=87' 16511-6647 NZO 82 distance=89' 16380-6531 RST 865 distance=90' 16219-6729 TDS9863 distance=90' 16215-6725 TDS9857 distance=91' 16524-6655 TDT 124 distance=94' 16515-6734 GLI 230 distance=94' 16252-6808 DON 793 distance=94' 16260-6815 TVB 284 distance=96' 16197-6658 TDS9840 distance=99' 16333-6523 RST5595 distance=100' 16528-6735 TDT 127AB distance=101' 16215-6756 TDS9858 distance=103' 16188-6707 HDS2306 distance=104' 16376-6845 TDT 8 distance=106' 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 16365-6700 HDS2347 118 0.1 1
Show 16362-6708 TDS9997 27 1.9 9
Show 16378-6714 TDT 12 7 0.4 16
Show 16346-6721 DON 803 145 1.5 24
Show 16406-6740 DON 805 138 0.5 47
Show 16370-6613 TDS 825 6 1.4 48
Show 16334-6616 SWR 204 254 15.6 49
Show 16307-6626 TDS9941 246 2.2 49
Show 16302-6734 DON 799 64 2.1 50
Show 16387-6612 TDT 17 286 0.9 51
Show 16415-6611 RST 873 229 0.6 58
Show 16272-6722 WFC 176 58 9.5 59
Show 16467-6707 HDO 257 AB 193 32.7 60
Show 16467-6707 I 1621 AC 211 41.7 60
Show 16372-6802 SWR 207 244 12.5 62
Show 16380-6802 HDS2354 340 0.6 63
Show 16279-6622 HDS2328 292 10.2 65
Show 16297-6751 TDS9927 9 2.5 65
Show 16307-6756 TDS9942 41 0.6 66
Show 16348-6553 RST 857 200 1.2 69
Show 16301-6603 HJ 4849 140 15.7 69
Show 16349-6810 HJ 4855 296 7.1 71
Show 16338-6809 KPP2977 105 3.9 71
Show 16477-6729 TDT 91 262 1.4 71
Show 16468-6618 RST 878 303 2.2 74
Show 16336-6813 TDS9971 335 0.4 75
Show 16318-6811 KPP2321 114 19.7 76
Show 16457-6607 TDT 73 192 2.3 76
Show 16227-6659 DON 791 AB 15 4.6 82
Show 16227-6659 MLO 72 AC 238 7.8 82
Show 16232-6728 TDS9874 124 2.4 83
Show 16484-6747 TDT 96 182 2.4 84
Show 16494-6626 TDT 104 39 0.6 84
Show 16507-6720 TDT 113 229 1.8 85
Show 16451-6522 NZO 80 12 16.9 86
Show 16475-6604 HDS2382 36 0.3 87
Show 16386-6535 NSN 352 263 4.5 87
Show 16511-6647 NZO 82 306 4.7 89
Show 16380-6531 RST 865 129 0.4 90
Show 16219-6729 TDS9863 66 0.7 90
Show 16215-6725 TDS9857 51 0.4 91
Show 16524-6655 TDT 124 96 2.0 94
Show 16515-6734 GLI 230 205 8.7 94
Show 16252-6808 DON 793 289 1.0 94
Show 16260-6815 TVB 284 197 17.6 96
Show 16197-6658 TDS9840 221 2.4 99
Show 16333-6523 RST5595 62 6.8 100
Show 16528-6735 TDT 127 AB 219 1.7 101
Show 16215-6756 TDS9858 244 0.9 103
Show 16188-6707 HDS2306 257 5.0 104
Show 16376-6845 TDT 8 194 0.8 106

 
 
WDS 16365-6700 : COMPONENTS
 
 
  A
B pa=143.8°
sep=0.08"
 
 
16365-6700 A
 
 
Componente originario normalizzato AB Name HD 148976 Coord arcsec 2000 163632.05-670017.5 Mag 7.25
Spectral class A1V (white) PmRA -25.00 PmDE -24.0 SAO 253618
HIP 81320 Tycho2 9050-01405-1 HD 148976 GC 22277
CP CP-66 2980
Tycho2
Tycho2 9050-01405-1 Pflag RAmdeg 249.13338784 DEmdeg -67.00491779
PmRA -23.2 PmDE -26.8 E RAmdeg 4 E DEmdeg 4
E pmRA 1.4 E pmDE 1.3 EpRAm 1991.48 EpDEm 1991.45
Num 12 Q RAmdeg 1.0 Q DEmdeg 1.2 Q pmRA 0.9
Q pmDE 1.3 BTmag 7.218 E BTmag 0.015 VTmag 7.118
E VTmag 0.010 Prox 999 TYC T HIP 81320
CCDM AB RAdeg 249.13352417 DEdeg -67.00485611 EpRA 1990 1.76
EpDE 1990 1.71 E RAdeg 3.9 E DEdeg 3.7 Posflg P
Corr 0.0
SAO
SAO 253618 DelFlag RA1950 PmRA1950 -0.0036
DE1950 PmDE1950 -0.025 Vmag 7 SpType A0
Double code Source 70 CatNum 22277 DM CP-66 2980
DMcomp BDsup HD 148976 M HD 0
GC 22277 RA1950rad 4.32640527 DE1950rad -1.16766825 PmRA2000 -0.0052
PmDE2000 -0.023
Hipparcos
Catalog H HIP 81320 Proxy H RAhms 16 36 32.05
DEdms -67 00 17.5 Vmag 7.12 VarFlag R Vmag H
RAdeg 249.134 DEdeg -67.0049 AstroRef * Plx 6.92
CCDM 16365-6700 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source S Qual D M HIP AB
Theta 233 Rho 0.173 HD 148976 BD
CD CP CP-66 2980 Dm number -66 2980 VIred 0.06
SpType A1V R SpType Coord arcsec 2000 163632.05-670017.5
Hipparcos 2
HIP 81320 Sn 55 So 3 Nc 2
RArad 4.3482004514 DErad -1.1694552912 Plx 7.2 PmRA -25.57
PmDE -24.27 E RArad 0.41 E DErad 0.47 E Plx 0.75
E pmRA 0.52 E pmDE 0.57 Hpmag 7.1547 E Hpmag 0.0009
SHp 0.011 VA 0 BV 0.092 E BV 0.006
VI 0.1
CCDM
Ccdm 16365-6700 RComp Comp A Note1
Note2 Discov num DRAs 2.01 DDEs -17.7
R dRAs 82 Year Theta Rho
Obs 2 Vmag 7.3 Sp A1 PmNote *
PmRA -25 PmDE -24 Dm number -66 2980 Cat1 CPD
Name2 253618 Cat2 SAO HD 148976 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 81320
 
 
16365-6700 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 163632.06-670017.6 Mag 9.83 Calc delta mag 2.58
Calc coord yes
CCDM
Ccdm 16365-6700 RComp Comp B Note1
Note2 Discov num HDS DRAs 1.99 DDEs -17.8
R dRAs 82 Year 1991 Theta 233 Rho 0.2
Obs 1 Vmag 9.8 Sp PmNote *
PmRA -25 PmDE -24 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 81320