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Doubles in session


Current system
11151-3929
SEE 128
HD 97881


Nearby doubles
27' : 11159-3953
UC 2110

36' : 11146-4004
UC 2108

40' : 11153-3850
KPP 613

44' : 11188-3917
KPP 242

47' : 11113-3915
UC 2095

52' : 11116-4001
KPP1650

53' : 11196-3928
TOI 759AB

54' : 11123-4011
RST1563

63' : 11152-3827
SKF1216AB

68' : 11169-3825
NSN 293

70' : 11210-3915
TDS7810

73' : 11213-3916
KPP 646

73' : 11179-4034
I 1538

76' : 11152-4044
RST1568AB

78' : 11218-3930
UC 2123

79' : 11098-4017
SWR 107

82' : 11211-3845
CVN 43AB

86' : 11104-3824
JSP 471

87' : 11098-3828
YMG 36

89' : 11101-3822
B 795

93' : 11232-3934
KPP1815

94' : 11071-3936
WG 140

95' : 11204-4042
RST1577

96' : 11154-4104
KPP2918

97' : 11176-4101
RST1571

104' : 11231-4016
RST1584



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.

11151-3929 SEE 128 (HD 97881)

 
 
11h 15m 08.57s -39° 28' 37.0" P.A. 21.00 sep 0.2 mag 7.80,7.90 Sp A2V dist. 471.7 pc (1538.69 l.y.)
 
 
Coord 2000 11151-3929 Discov num SEE 128 Comp Coord arcsec 2000 11 15 08.57 -39 28 37.0
Date first 1930 Date last 2018 Obs 35
Pa first 32 Pa last 20.9 P.A. Now (θ) 28.8°
Sep first 0.2 Sep last 0.157 Sep. Now (ρ) 0.157"
Mag pri 7.80 Mag sec 7.90 delta mag (ΔM) 0.1 Spectral class A2V (white)
Pri motion ra +003 Sec motion ra
Pri motion dec -008 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 97881 Constellation Centaurus SAO 202243 HIP 54949
Tycho2 7730-00265-1 Gaia DR2 5395792913188533632 HD 97881 GC 15468
CD CD-38 7022 CP CP-38 4618 Distance 471.7 Distance ly 1538.69
 
 
ORBITAL ELEMENTS
 
 
Period (P)95y± 4.5 Periastron (T)1988.4y± 1.5 Semi-major axis (a)0.1353a± 0.0161
Eccentricity (e)0.52± 0.06 Inclination (i)46.4°± 7.9 Longitude of periastron (ω)72.9°± 13.9
Node (Ω)165.1°± 11.5 Notesn ReferenceTok2019c
Equinox Last observation2018 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 343.6 0.114
2001 346.6 0.119
2002 349.4 0.124
2003 351.9 0.128
2004 354.4 0.132
2005 356.6 0.136
2006 358.8 0.139
2007 0.9 0.142
2008 2.9 0.144
2009 4.8 0.146
2010 6.7 0.149
2011 8.5 0.150
2012 10.3 0.152
2013 12.1 0.153
2014 13.8 0.154
2015 15.5 0.155
2016 17.2 0.156
2017 18.9 0.157
2018 20.5 0.157
2019 22.2 0.157
2020 23.8 0.158
2021 25.5 0.158
2022 27.1 0.158
2023 28.8 0.157
2024 30.4 0.157
2025 32.1 0.157
2026 33.7 0.156
2027 35.4 0.156
2028 37.1 0.155
2029 38.8 0.155
2030 40.5 0.154


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


 
  


wds11151-3929a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 11151-3929 SEE 128 (HD 97881) : NOTES
 
 
discov_num notes refcode
SEE 128 Direct motion.
 
 
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 SEE See, T.J.J.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
11151-3929 SEE 128 1994 33 136 0.1 7.80 7.90 A2V N 111508.57-392837.0
11151-3929 SEE 128 2016 34 19 0.2 7.80 7.90 A2V N 111508.57-392837.0
11151-3929 SEE 128 2018 35 21 0.2 7.80 7.90 A2V N 111508.57-392837.0

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

 
 
WDS 11151-3929 SEE 128 (HD 97881) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 11151-3929 SEE 128 (HD 97881) : MEASURES
 
 
No records found.

 
 
WDS 11151-3929 (HD 97881) : VIRTUAL EYEPIECE
 
 

11151-3929 SEE 128A mag 7.8 Sp A2V 11151-3929 SEE 128B sep 0.1 P.A. 16.40 mag 7.9 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 11151-3929 (HD 97881) : ALADIN DSS IMAGE @ 11h 15m 08.57s -39° 28' 37.0"
 
 
 
 
WDS 11151-3929 SEE 128 (HD 97881) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

11151-3929 SEE 128 distance=0' 11159-3953 UC 2110 distance=27' 11146-4004 UC 2108 distance=36' 11153-3850 KPP 613 distance=40' 11188-3917 KPP 242 distance=44' 11113-3915 UC 2095 distance=47' 11116-4001 KPP1650 distance=52' 11196-3928 TOI 759AB distance=53' 11123-4011 RST1563 distance=54' 11152-3827 RST2736BC distance=62' 11152-3827 SKF1216AB distance=63' 11152-3827 SKF1216AD distance=63' 11169-3825 NSN 293 distance=68' 11210-3915 TDS7810 distance=70' 11213-3916 KPP 646 distance=73' 11179-4034 I 1538 distance=73' 11105-3839 KPP2000AC distance=74' 11152-4044 RST1568AB distance=76' 11218-3930 UC 2123 distance=78' 11098-4017 SWR 107 distance=79' 11211-3845 CVN 43AB distance=82' 11211-3845 CVN 43AC distance=82' 11211-3845 CVN 43AD distance=82' 11104-3824 JSP 471 distance=86' 11098-3828 YMG 36 distance=87' 11101-3822 B 795 distance=89' 11232-3934 KPP1815 distance=93' 11071-3936 WG 140 distance=94' 11204-4042 RST1577 distance=95' 11154-4104 KPP2918 distance=96' 11176-4101 RST1571 distance=97' 11231-4016 RST1584 distance=104' 11112-4106 JAO 5 distance=107' 11240-3854 KPP1173 distance=109' 11165-3739 KPP1931BC distance=112' 11093-4101 WG 142 distance=114' 11249-3947 UC 2132 distance=114' 11238-3829 CHR 241 distance=117' 11252-3944 WG 143 distance=118' 11172-4123 UC 2113 distance=118' 11122-3735 SKF1215AB distance=120' 11121-3733 KPP2919CD distance=122' 11062-3827 HJ 4402AB distance=122' 11062-3827 HJ 4402AC distance=122' 11211-3744 UC 2122 distance=126' 11099-3739 YMG 37 distance=126' 11127-3723 RSS 257 distance=129' 11105-3732 REP 21 distance=130' 11258-3852 OSO 40AB distance=130' 11258-3852 OSO 40AC distance=130' 11078-4107 I 870 distance=130' 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 11151-3929 SEE 128 21 0.2
Show 11159-3953 UC 2110 167 7.6 27
Show 11146-4004 UC 2108 59.6 36
Show 11153-3850 KPP 613 231 5.6 40
Show 11188-3917 KPP 242 207 3.8 44
Show 11113-3915 UC 2095 190 20.2 47
Show 11116-4001 KPP1650 196 12.7 52
Show 11196-3928 TOI 759 AB 235 2.7 53
Show 11123-4011 RST1563 20 2.2 54
Show 11152-3827 RST2736 BC 185 0.7 62
Show 11152-3827 SKF1216 AB 213 53.4 63
Show 11152-3827 SKF1216 AD 271 5.0 63
Show 11169-3825 NSN 293 172 4.8 68
Show 11210-3915 TDS7810 18 0.7 70
Show 11213-3916 KPP 646 5.8 73
Show 11179-4034 I 1538 225 0.4 73
Show 11105-3839 KPP2000 AC 32 15.8 74
Show 11152-4044 RST1568 AB 325 2.0 76
Show 11218-3930 UC 2123 286 134.6 78
Show 11098-4017 SWR 107 112 15.8 79
Show 11211-3845 CVN 43 AB 296 5.7 82
Show 11211-3845 CVN 43 AC 245 5.7 82
Show 11211-3845 CVN 43 AD 5 6.8 82
Show 11104-3824 JSP 471 18 3.5 86
Show 11098-3828 YMG 36 80 0.0 87
Show 11101-3822 B 795 7 0.8 89
Show 11232-3934 KPP1815 31 14.1 93
Show 11071-3936 WG 140 128 6.0 94
Show 11204-4042 RST1577 107 0.3 95
Show 11154-4104 KPP2918 136 1.3 96
Show 11176-4101 RST1571 216 2.3 97
Show 11231-4016 RST1584 23 0.6 104
Show 11112-4106 JAO 5 61 4.3 107
Show 11240-3854 KPP1173 242 9.2 109
Show 11165-3739 KPP1931 BC 280 15.2 112
Show 11093-4101 WG 142 301 3.5 114
Show 11249-3947 UC 2132 56 15.0 114
Show 11238-3829 CHR 241 144 0.1 117
Show 11252-3944 WG 143 17 7.8 118
Show 11172-4123 UC 2113 232 41.1 118
Show 11122-3735 SKF1215 AB 332 136.6 120
Show 11121-3733 KPP2919 CD 144 1.1 122
Show 11062-3827 HJ 4402 AB 121 9.5 122
Show 11062-3827 HJ 4402 AC 78 15.3 122
Show 11211-3744 UC 2122 334 8.8 126
Show 11099-3739 YMG 37 67 0.2 126
Show 11127-3723 RSS 257 279 9.7 129
Show 11105-3732 REP 21 207 1.5 130
Show 11258-3852 OSO 40 AB 160 19.4 130
Show 11258-3852 OSO 40 AC 252 19.9 130
Show 11078-4107 I 870 74 1.6 130

 
 
WDS 11151-3929 : COMPONENTS
 
 
  A
B pa=16.4°
sep=0.15"
 
 
11151-3929 A
 
 
Componente originario normalizzato AB Name HD 97881 Coord arcsec 2000 111508.57-392837.0 Mag 7.8
Spectral class A2V (white) PmRA 3.00 PmDE -8.0 SAO 202243
HIP 54949 Tycho2 7730-00265-1 HD 97881 GC 15468
CD CD-38 7022 CP CP-38 4618
Tycho2
Tycho2 7730-00265-1 Pflag RAmdeg 168.78571502 DEmdeg -39.47695052
PmRA -2.4 PmDE -6.9 E RAmdeg 4 E DEmdeg 4
E pmRA 1.1 E pmDE 1.2 EpRAm 1991.46 EpDEm 1991.42
Num 14 Q RAmdeg 0.8 Q DEmdeg 1.0 Q pmRA 0.7
Q pmDE 0.9 BTmag 6.991 E BTmag 0.015 VTmag 6.879
E VTmag 0.010 Prox 999 TYC T HIP 54949
CCDM RAdeg 168.78572194 DEdeg -39.47693472 EpRA 1990 1.80
EpDE 1990 1.70 E RAdeg 3.9 E DEdeg 4.2 Posflg
Corr -0.1
SAO
SAO 202243 DelFlag RA1950 PmRA1950 0.0011
DE1950 PmDE1950 0 Vmag 6.7 SpType A0
Double code Source 70 CatNum 15468 DM CD-38 7022
DMcomp BDsup HD 97881 M HD 0
GC 15468 RA1950rad 2.93548633 DE1950rad -0.68423761 PmRA2000 0.0015
PmDE2000 0.004
Hipparcos
Catalog H HIP 54949 Proxy RAhms 11 15 08.57
DEdms -39 28 37.0 Vmag 6.87 VarFlag R Vmag H
RAdeg 168.786 DEdeg -39.4769 AstroRef Plx 2.6
CCDM 11151-3929 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 97881 BD
CD CD-38 7022 CP CP-38 4618 Dm number -38 7022 VIred 0.1
SpType A2V R SpType Coord arcsec 2000 111508.57-392837.0
Hipparcos 2
HIP 54949 Sn 5 So 0 Nc 1
RArad 2.945866584 DErad -0.689002479 Plx 2.12 PmRA -4.36
PmDE -8.27 E RArad 0.4 E DErad 0.33 E Plx 0.52
E pmRA 0.45 E pmDE 0.36 Hpmag 6.9108 E Hpmag 0.0009
SHp 0.008 VA 0 BV 0.108 E BV 0.007
VI 0.12
CCDM
Ccdm 11151-3929 RComp Comp A Note1
Note2 Discov num DRAs 2.57 DDEs 22.5
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.8 Sp A0 PmNote *
PmRA -4 PmDE -12 Dm number -38 7022 Cat1 CD
Name2 202243 Cat2 SAO HD 97881 M HD
ADS BDS M ADS BDS N IDS IDS 11104S3856A
HIC 54949
 
 
11151-3929 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 111508.57-392836.9 Mag 7.9 Calc delta mag 0.1
Calc coord yes
CCDM
Ccdm 11151-3929 RComp Comp B Note1
Note2 Discov num SEE 128 DRAs DDEs
R dRAs Year 1959 Theta 085 Rho 0.1
Obs 24 Vmag 7.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N N IDS IDS 11104S3856B
HIC 54949