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Current system
15481-2513
HDS 2226
HD 141091


Nearby doubles
15' : 15471-2520
UC 3064AB

40' : 15452-2513
USD 27

42' : 15510-2503
B 2792

43' : 15462-2547
UC 3059

45' : 15509-2534
KSA 116AB

51' : 15494-2600
KOH 50AB

53' : 15518-2457
USD 79

53' : 15442-2523
LAF 81

61' : 15439-2451
UC 3052AB

68' : 15432-2525
BU 354

74' : 15433-2439
OCC 208

76' : 15536-2520
BU 36AB

87' : 15507-2632
HDS2232

88' : 15500-2636
SWR 182

89' : 15415-2521
LAF 80

90' : 15539-2432
OCC 161

93' : 15429-2613
B 297AB

96' : 15551-2521
KOH 54

100' : 15418-2607
J 1614

106' : 15558-2512
KSA 75AB

106' : 15412-2603
J 3235

106' : 15555-2545
TOK 734

110' : 15557-2437
I 1279

112' : 15481-2322
SKF1502

116' : 15562-2548
B 299

117' : 15561-2556
RST2986



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Neglected List I
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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

15481-2513 HDS 2226 (HD 141091)

 
 
15h 48m 03.31s -25° 12' 56.0" P.A. 60.00 sep 0.1 mag 7.60,8.49 Sp A0V dist. 151.52 pc (494.26 l.y.)
 
 
Coord 2000 15481-2513 Discov num HDS2226 Comp Coord arcsec 2000 15 48 03.31 -25 12 56.0
Date first 1991 Date last 2020 Obs 9
Pa first 51 Pa last 59.7 P.A. Now (θ) 48.8°
Sep first 0.1 Sep last 0.147 Sep. Now (ρ) 0.154"
Mag pri 7.60 Mag sec 8.49 delta mag (ΔM) 0.89 Spectral class A0V (white)
Pri motion ra -019 Sec motion ra
Pri motion dec -026 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 141091 Constellation Scorpius SAO 183802 HIP 77399
Tycho2 6782-02146-1 Gaia DR2 6236641647392716544 HD 141091 GC 21225
CD CD-2412296 CP CP-24 5561 Distance 151.52 Distance ly 494.26
 
 
ORBITAL ELEMENTS
 
 
Period (P)31.1y± 1 Periastron (T)2010.38y± 0.6 Semi-major axis (a)0.106a± 0.008
Eccentricity (e)0.499± 0.159 Inclination (i)140.8°± 19.4 Longitude of periastron (ω)204.7°± 20.1
Node (Ω)57.7°± 11.7 Notes ReferenceTok2019c
Equinox Last observation2018 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 15.8 0.128
2001 10.2 0.120
2002 3.7 0.111
2003 356.0 0.102
2004 346.8 0.093
2005 335.4 0.083
2006 321.2 0.074
2007 303.6 0.067
2008 282.5 0.062
2009 258.2 0.058
2010 230.2 0.053
2011 196.0 0.048
2012 157.6 0.049
2013 126.7 0.059
2014 106.6 0.074
2015 93.3 0.089
2016 83.8 0.103
2017 76.5 0.115
2018 70.4 0.126
2019 65.3 0.134
2020 60.7 0.142
2021 56.5 0.147
2022 52.6 0.151
2023 48.8 0.154
2024 45.2 0.155
2025 41.5 0.155
2026 37.8 0.153
2027 34.0 0.150
2028 30.1 0.147
2029 25.9 0.142
2030 21.4 0.136


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


 
  


wds15481-2513a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 15481-2513 HDS 2226 (HD 141091) : 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
15481-2513 HDS2226 1991 1 51 0.1 7.60 8.49 A0V 154803.31-251256.0
15481-2513 HDS2226 2012 3 155 0.1 7.60 8.49 A0V 154803.31-251256.0
15481-2513 HDS2226 2016 5 83 0.1 7.60 8.49 A0V 154803.31-251256.0
15481-2513 HDS2226 2018 6 69 0.1 7.60 8.49 A0V 154803.31-251256.0
15481-2513 HDS2226 2019 8 64 0.1 7.60 8.49 A0V O 154803.31-251256.0
15481-2513 HDS2226 2020 9 60 0.1 7.60 8.49 A0V O 154803.31-251256.0

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

 
 
WDS 15481-2513 HDS 2226 (HD 141091) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 15481-2513 HDS 2226 (HD 141091) : MEASURES
 
 
No records found.

 
 
WDS 15481-2513 (HD 141091) : VIRTUAL EYEPIECE
 
 

15481-2513 HDS2226A mag 7.6 Sp A0V 15481-2513 HDS2226B sep 0.1 P.A. 57.10 mag 8.49 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 15481-2513 (HD 141091) : ALADIN DSS IMAGE @ 15h 48m 03.31s -25° 12' 56.0"
 
 
 
 
WDS 15481-2513 HDS 2226 (HD 141091) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

15481-2513 HDS2226 distance=0' 15471-2520 UC 3064AB distance=15' 15471-2520 UC 3064AC distance=15' 15471-2520 UC 3064BC distance=15' 15468-2515 USD 33Ca,Cb distance=17' 15452-2513 USD 27 distance=40' 15510-2503 B 2792 distance=42' 15462-2547 UC 3059 distance=43' 15509-2534 KSA 116AB distance=45' 15494-2600 KOH 50AB distance=51' 15518-2457 USD 79 distance=53' 15442-2523 LAF 81 distance=53' 15439-2451 UC 3052AB distance=61' 15432-2525 BU 354 distance=68' 15433-2439 OCC 208 distance=74' 15536-2520 BU 36AB distance=76' 15536-2520 OCC 187Aa,Ab distance=76' 15507-2632 HDS2232 distance=87' 15500-2636 SWR 182 distance=88' 15415-2521 LAF 80 distance=89' 15539-2432 OCC 161 distance=90' 15429-2613 B 297AB distance=93' 15551-2521 KOH 54 distance=96' 15418-2607 J 1614 distance=100' 15558-2512 KSA 75AB distance=106' 15558-2512 KSA 75AC distance=106' 15412-2603 J 3235 distance=106' 15555-2545 TOK 734 distance=106' 15557-2437 I 1279 distance=110' 15481-2322 SKF1502 distance=112' 15562-2548 B 299 distance=116' 15561-2556 RST2986 distance=117' 15555-2616 TOK 790Aa,Ab distance=119' 15481-2313 HO 396 distance=120' 15444-2320 HU 1516 distance=124' 15570-2539 UC 3091 distance=124' 15501-2312 KSA 115 distance=125' 15570-2541 B 855 distance=125' 15573-2515 B 301 distance=125' 15573-2529 KOH 57AB distance=127' 15573-2529 LAF 87AC distance=127' 15450-2714 RST1861 distance=128' 15550-2347 GHE 17AB distance=128' 15550-2347 B 2796AC distance=128' 15550-2347 LAF 84AD distance=128' 15527-2705 USD 89Aa,Ab distance=129' 15574-2435 LDS4609AB distance=134' 15574-2435 LDS4609AC distance=134' 15384-2439 HDS2207 distance=136' 15401-2349 UC 3038 distance=138' 15557-2645 I 977 distance=139' 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 15481-2513 HDS2226 60 0.1
Show 15471-2520 UC 3064 AB 306 13.6 15
Show 15471-2520 UC 3064 AC 265 11.4 15
Show 15471-2520 UC 3064 BC 161 9.9 15
Show 15468-2515 USD 33 Ca,Cb 119 0.8 17
Show 15452-2513 USD 27 208 2.1 40
Show 15510-2503 B 2792 63 13.0 42
Show 15462-2547 UC 3059 304 24.9 43
Show 15509-2534 KSA 116 AB 329 0.1 45
Show 15494-2600 KOH 50 AB 116 0.1 51
Show 15518-2457 USD 79 47 2.4 53
Show 15442-2523 LAF 81 53 9.2 53
Show 15439-2451 UC 3052 AB 316 56.4 61
Show 15432-2525 BU 354 291 5.9 68
Show 15433-2439 OCC 208 -1 0.1 74
Show 15536-2520 BU 36 AB 273 2.0 76
Show 15536-2520 OCC 187 Aa,Ab -1 0.1 76
Show 15507-2632 HDS2232 197 0.3 87
Show 15500-2636 SWR 182 256 25.0 88
Show 15415-2521 LAF 80 242 3.7 89
Show 15539-2432 OCC 161 -1 0.1 90
Show 15429-2613 B 297 AB 256 7.7 93
Show 15551-2521 KOH 54 105 0.2 96
Show 15418-2607 J 1614 342 10.4 100
Show 15558-2512 KSA 75 AB 319 8.9 106
Show 15558-2512 KSA 75 AC 299 14.5 106
Show 15412-2603 J 3235 337 10.7 106
Show 15555-2545 TOK 734 137 0.4 106
Show 15557-2437 I 1279 9 0.4 110
Show 15481-2322 SKF1502 172 52.8 112
Show 15562-2548 B 299 340 4.0 116
Show 15561-2556 RST2986 49 2.3 117
Show 15555-2616 TOK 790 Aa,Ab 129 0.8 119
Show 15481-2313 HO 396 355 3.4 120
Show 15444-2320 HU 1516 254 1.4 124
Show 15570-2539 UC 3091 261 29.6 124
Show 15501-2312 KSA 115 222 0.0 125
Show 15570-2541 B 855 236 1.0 125
Show 15573-2515 B 301 256 0.2 125
Show 15573-2529 KOH 57 AB 144 0.6 127
Show 15573-2529 LAF 87 AC 117 11.0 127
Show 15450-2714 RST1861 115 0.4 128
Show 15550-2347 GHE 17 AB 236 0.7 128
Show 15550-2347 B 2796 AC 162 10.9 128
Show 15550-2347 LAF 84 AD 241 0.7 128
Show 15527-2705 USD 89 Aa,Ab 45 0.7 129
Show 15574-2435 LDS4609 AB 218 5.7 134
Show 15574-2435 LDS4609 AC 279 130.9 134
Show 15384-2439 HDS2207 82 0.7 136
Show 15401-2349 UC 3038 282 7.7 138
Show 15557-2645 I 977 264 0.6 139

 
 
WDS 15481-2513 : COMPONENTS
 
 
  A
B pa=57.1°
sep=0.14"
 
 
15481-2513 A
 
 
Componente originario normalizzato AB Name HD 141091 Coord arcsec 2000 154803.31-251256.0 Mag 7.6
Spectral class A0V (white) PmRA -19.00 PmDE -26.0 SAO 183802
HIP 77399 Tycho2 6782-02146-1 HD 141091 GC 21225
CD CD-2412296 CP CP-24 5561
Tycho2
Tycho2 6782-02146-1 Pflag RAmdeg 237.01373675 DEmdeg -25.21560748
PmRA -18.0 PmDE -22.1 E RAmdeg 4 E DEmdeg 5
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.37 EpDEm 1991.01
Num 14 Q RAmdeg 0.8 Q DEmdeg 1.2 Q pmRA 0.7
Q pmDE 1.2 BTmag 7.323 E BTmag 0.015 VTmag 7.170
E VTmag 0.011 Prox 999 TYC T HIP 77399
CCDM AB RAdeg 237.01378278 DEdeg -25.21555556 EpRA 1990 1.71
EpDE 1990 1.52 E RAdeg 4.1 E DEdeg 5.1 Posflg P
Corr 0.1
SAO
SAO 183802 DelFlag RA1950 PmRA1950 -0.0002
DE1950 PmDE1950 -0.035 Vmag 7.3 SpType A0
Double code Source 70 CatNum 21225 DM CD-2412296
DMcomp BDsup HD 141091 M HD 0
GC 21225 RA1950rad 4.12359139 DE1950rad -0.43742025 PmRA2000 -0.0002
PmDE2000 -0.032
Hipparcos
Catalog H HIP 77399 Proxy H RAhms 15 48 03.31
DEdms -25 12 56.0 Vmag 7.15 VarFlag R Vmag H
RAdeg 237.014 DEdeg -25.2156 AstroRef * Plx 6.03
CCDM 15481-2513 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source S Qual A M HIP AB
Theta 51 Rho 0.149 HD 141091 BD
CD CD-2412296 CP CP-24 5561 Dm number -2412296 VIred 0.12
SpType A0V R SpType Coord arcsec 2000 154803.31-251256.0
Hipparcos 2
HIP 77399 Sn 55 So 3 Nc 2
RArad 4.1366709115 DErad -0.4400944002 Plx 6.6 PmRA -17.91
PmDE -25.6 E RArad 0.9 E DErad 0.63 E Plx 0.98
E pmRA 1.07 E pmDE 0.92 Hpmag 7.2013 E Hpmag 0.0015
SHp 0.008 VA 0 BV 0.131 E BV 0.01
VI 0.15
CCDM
Ccdm 15481-2513 RComp Comp A Note1
Note2 Discov num DRAs -2.70 DDEs 3.8
R dRAs 82 Year Theta Rho
Obs 2 Vmag 7.6 Sp A0 PmNote *
PmRA -19 PmDE -26 Dm number -2412296 Cat1 CD
Name2 183802 Cat2 SAO HD 141091 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 77399
 
 
15481-2513 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 154803.32-251255.9 Mag 8.49 Calc delta mag 0.89
Calc coord yes
CCDM
Ccdm 15481-2513 RComp Comp B Note1
Note2 Discov num HDS DRAs -2.70 DDEs 3.9
R dRAs 82 Year 1991 Theta 51 Rho 0.2
Obs 1 Vmag 8.5 Sp PmNote *
PmRA -19 PmDE -26 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 77399