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Doubles in session


Current system
15457-6529
RST 792
HD 140081


Nearby doubles
10' : 15471-6532
NSN 353

14' : 15479-6527
RMK 20AB

17' : 15470-6544
TDS9621

20' : 15452-6548
TDS 786

24' : 15486-6514
RSS 386

34' : 15413-6548
RST 785

37' : 15405-6512
B 2362

39' : 15420-6600
TDS9594

46' : 15389-6514
TDS9575

46' : 15509-6601
TDS9659

50' : 15516-6603
NZO 62

52' : 15381-6549
MLO 66

52' : 15520-6455
B 848

53' : 15394-6455
WFC 279

54' : 15376-6511
B 840

56' : 15530-6459
B 2371

56' : 15534-6557
TDS9678

57' : 15523-6452
TDS9669

58' : 15438-6625
TDS9604

59' : 15550-6538
RST 800

59' : 15363-6537
RST 778AB

62' : 15548-6554
NZO 65

62' : 15511-6621
TDS9661

63' : 15518-6619
TDS9666

64' : 15362-6507
I 240

65' : 15547-6459
KPP 355



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.

15457-6529 RST 792 (HD 140081)

 
 
15h 45m 42.08s -65° 29' 07.6" P.A. 74.00 sep 0.1 mag 8.96,9.72 Sp F7V dist. 100.4 pc (327.5 l.y.)
 
 
Coord 2000 15457-6529 Discov num RST 792 Comp Coord arcsec 2000 15 45 42.08 -65 29 07.6
Date first 1930 Date last 2021 Obs 6
Pa first 111 Pa last 74 P.A. Now (θ) 74°
Sep first 0.3 Sep last 0.092 Sep. Now (ρ) 0.092"
Mag pri 8.96 Mag sec 9.72 delta mag (ΔM) 0.76 Spectral class F7V (yellow-white)
Pri motion ra -047 Sec motion ra
Pri motion dec -051 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 140081 Constellation Triangulum Australe HIP 77189 Tycho2 9031-03195-1
Gaia DR2 5825473089464938368 HD 140081 CP CP-65 3133 Distance 100.4
Distance ly 327.5
 
 
ORBITAL ELEMENTS
 
 
Period (P)174y± 75 Periastron (T)2018.45y± 0.1 Semi-major axis (a)0.396a± 0.086
Eccentricity (e)0.967± 0.01 Inclination (i)76°± 0 Longitude of periastron (ω)257.6°± 3.5
Node (Ω)61.5°± 3.4 Notes ReferenceTok2021f
Equinox Last observation2021 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 157.7 0.102
2001 159.7 0.099
2002 161.7 0.096
2003 164.0 0.094
2004 166.3 0.091
2005 168.8 0.088
2006 171.5 0.085
2007 174.4 0.082
2008 177.4 0.080
2009 180.7 0.077
2010 184.2 0.074
2011 188.0 0.071
2012 192.1 0.068
2013 196.6 0.065
2014 201.5 0.062
2015 207.0 0.058
2016 213.5 0.053
2017 221.5 0.046
2018 234.8 0.030
2019 63.3 0.038
2020 70.4 0.070
2021 73.5 0.090
2022 75.6 0.105
2023 77.3 0.118
2024 78.6 0.128
2025 79.7 0.138
2026 80.7 0.147
2027 81.6 0.154
2028 82.4 0.162
2029 83.1 0.168
2030 83.8 0.174


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


 
  


wds15457-6529a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 15457-6529 RST 792 (HD 140081) : 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 RST Rossiter, R.A.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15457-6529 RST 792 1991 4 144 0.1 8.96 9.72 F7V 154542.08-652907.6
15457-6529 RST 792 2020 5 251 0.1 8.96 9.72 F7V 154542.08-652907.6
15457-6529 RST 792 2021 6 74 0.1 8.96 9.72 F7V 154542.08-652907.6

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

 
 
WDS 15457-6529 RST 792 (HD 140081) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 15457-6529 RST 792 (HD 140081) : MEASURES
 
 
No records found.

 
 
WDS 15457-6529 (HD 140081) : VIRTUAL EYEPIECE
 
 

15457-6529 RST 792A mag 8.96 Sp F7V 15457-6529 RST 792B sep 0.0 P.A. 55.40 mag 9.72 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 15457-6529 (HD 140081) : ALADIN DSS IMAGE @ 15h 45m 42.08s -65° 29' 07.6"
 
 
 
 
WDS 15457-6529 RST 792 (HD 140081) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

15457-6529 RST 792 distance=0' 15471-6532 NSN 353 distance=10' 15479-6527 RMK 20AB distance=14' 15479-6527 PIC 1AC distance=14' 15470-6544 TDS9621 distance=17' 15452-6548 TDS 786 distance=20' 15486-6514 RSS 386 distance=24' 15413-6548 RST 785 distance=34' 15405-6512 B 2362 distance=37' 15420-6600 TDS9594 distance=39' 15389-6514 TDS9575 distance=46' 15509-6601 TDS9659 distance=46' 15516-6603 NZO 62 distance=50' 15381-6549 MLO 66 distance=52' 15520-6455 B 848 distance=52' 15394-6455 WFC 279 distance=53' 15376-6511 B 840 distance=54' 15530-6459 B 2371 distance=56' 15534-6557 TDS9678 distance=56' 15523-6452 TDS9669 distance=57' 15438-6625 TDS9604 distance=58' 15550-6538 RST 800 distance=59' 15363-6537 RST 778AB distance=59' 15548-6554 NZO 65 distance=62' 15511-6621 TDS9661 distance=62' 15518-6619 TDS9666 distance=63' 15362-6507 I 240 distance=64' 15547-6459 KPP 355 distance=65' 15560-6541 TDS 793 distance=66' 15470-6424 HDS2224 distance=66' 15477-6425 TDS9627 distance=66' 15468-6423 B 845 distance=67' 15550-6605 TDS9690 distance=68' 15367-6619 DUN 188 distance=75' 15439-6644 DON 749 distance=77' 15577-6516 TDS 794 distance=77' 15358-6617 RST 777 distance=78' 15373-6433 B 839 distance=78' 15581-6545 R 268AB distance=79' 15581-6545 SHT 30AC distance=79' 15581-6545 SHT 30AD distance=79' 15373-6432 I 241AB distance=79' 15373-6432 I 241AC distance=79' 15379-6632 DON 744 distance=80' 15582-6551 TDS9705 distance=81' 15440-6409 KPP2325 distance=81' 15424-6651 DON 748 distance=85' 15352-6625 TDS9553 distance=86' 15590-6502 HDS2250Aa,Ab distance=88' 15590-6502 B 854AB distance=88' 15597-6504 NZO 67 distance=92' 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 15457-6529 RST 792 74 0.1
Show 15471-6532 NSN 353 57 6.9 10
Show 15479-6527 RMK 20 AB 145 1.7 14
Show 15479-6527 PIC 1 AC 31.8 14
Show 15470-6544 TDS9621 313 0.4 17
Show 15452-6548 TDS 786 214 1.3 20
Show 15486-6514 RSS 386 15 10.3 24
Show 15413-6548 RST 785 332 2.9 34
Show 15405-6512 B 2362 112 7.5 37
Show 15420-6600 TDS9594 21 0.4 39
Show 15389-6514 TDS9575 164 0.7 46
Show 15509-6601 TDS9659 300 1.6 46
Show 15516-6603 NZO 62 105 4.7 50
Show 15381-6549 MLO 66 174 3.6 52
Show 15520-6455 B 848 247 3.9 52
Show 15394-6455 WFC 279 22 11.9 53
Show 15376-6511 B 840 42 4.8 54
Show 15530-6459 B 2371 338 1.0 56
Show 15534-6557 TDS9678 230 2.4 56
Show 15523-6452 TDS9669 223 0.8 57
Show 15438-6625 TDS9604 194 4.2 58
Show 15550-6538 RST 800 71 0.6 59
Show 15363-6537 RST 778 AB 21 9.0 59
Show 15548-6554 NZO 65 114 0.2 62
Show 15511-6621 TDS9661 234 2.2 62
Show 15518-6619 TDS9666 356 0.5 63
Show 15362-6507 I 240 186 2.5 64
Show 15547-6459 KPP 355 167 4.8 65
Show 15560-6541 TDS 793 205 1.3 66
Show 15470-6424 HDS2224 250 0.1 66
Show 15477-6425 TDS9627 121 2.5 66
Show 15468-6423 B 845 355 0.9 67
Show 15550-6605 TDS9690 257 0.8 68
Show 15367-6619 DUN 188 220 82.2 75
Show 15439-6644 DON 749 213 3.9 77
Show 15577-6516 TDS 794 247 0.4 77
Show 15358-6617 RST 777 24 2.7 78
Show 15373-6433 B 839 119 0.3 78
Show 15581-6545 R 268 AB 159 5.7 79
Show 15581-6545 SHT 30 AC 202 8.9 79
Show 15581-6545 SHT 30 AD 340 26.4 79
Show 15373-6432 I 241 AB 279 2.3 79
Show 15373-6432 I 241 AC 15 10.1 79
Show 15379-6632 DON 744 184 2.0 80
Show 15582-6551 TDS9705 353 0.8 81
Show 15440-6409 KPP2325 255 19.8 81
Show 15424-6651 DON 748 285 1.6 85
Show 15352-6625 TDS9553 6 0.9 86
Show 15590-6502 HDS2250 Aa,Ab 246 0.2 88
Show 15590-6502 B 854 AB 283 9.9 88
Show 15597-6504 NZO 67 205 7.0 92

 
 
WDS 15457-6529 : COMPONENTS
 
 
  A
B pa=55.4°
sep=0.04"
 
 
15457-6529 A
 
 
Componente originario normalizzato AB Name HD 140081 Coord arcsec 2000 154542.08-652907.6 Mag 8.96
Spectral class F7V (yellow-white) PmRA -47.00 PmDE -51.0 HIP 77189
Tycho2 9031-03195-1 HD 140081 CP CP-65 3133
Tycho2
Tycho2 9031-03195-1 Pflag X RAmdeg DEmdeg
PmRA PmDE E RAmdeg E DEmdeg
E pmRA E pmDE EpRAm EpDEm
Num Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 8.989 E BTmag 0.017 VTmag 8.453
E VTmag 0.013 Prox 999 TYC T HIP 77189
CCDM AB RAdeg 236.42532028 DEdeg -65.48543806 EpRA 1990 1.63
EpDE 1990 1.69 E RAdeg 6.8 E DEdeg 6.5 Posflg P
Corr 0.0
Hipparcos
Catalog H HIP 77189 Proxy H RAhms 15 45 42.08
DEdms -65 29 07.6 Vmag 8.41 VarFlag R Vmag H
RAdeg 236.425 DEdeg -65.4854 AstroRef * Plx 10.37
CCDM 15457-6529 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source S Qual A M HIP AB
Theta 144 Rho 0.128 HD 140081 BD
CD CP CP-65 3133 Dm number -65 3133 VIred 0.53
SpType F7V R SpType Coord arcsec 2000 154542.08-652907.6
Hipparcos 2
HIP 77189 Sn 55 So 3 Nc 2
RArad 4.1264003219 DErad -1.1429364297 Plx 9.96 PmRA -42.07
PmDE -56.91 E RArad 0.66 E DErad 0.88 E Plx 1.11
E pmRA 0.76 E pmDE 1.01 Hpmag 8.5214 E Hpmag 0.0019
SHp 0.019 VA 0 BV 0.499 E BV 0.013
VI 0.57
CCDM
Ccdm 15457-6529 RComp Comp A Note1
Note2 Discov num DRAs -0.08 DDEs -6.9
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.2 Sp F8 PmNote *
PmRA -49 PmDE -39 Dm number -65 3133 Cat1 CPD
Name2 Cat2 HD 140081 M HD
ADS BDS M ADS BDS N IDS IDS 15366S6510A
HIC 77189
 
 
15457-6529 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 154542.09-652907.6 Mag 9.72 Calc delta mag 0.76
Calc coord yes
CCDM
Ccdm 15457-6529 RComp Comp B Note1
Note2 Discov num RST 792 DRAs DDEs
R dRAs Year 1930 Theta 111 Rho 0.2
Obs 1 Vmag 9.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 15366S6510B
HIC 77189