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Doubles in session


Current system
10120-0612
HO 44
HD 88478


Nearby doubles
20' : 10132-0607
DAM2144

22' : 10133-0601
DEA 74

29' : 10130-0548
OL 159

32' : 10114-0642
GWP1310

40' : 10100-0637
A 2980

46' : 10150-0625
J 1563

59' : 10159-0613
GWP1332

60' : 10159-0625
J 3320

64' : 10158-0541
GWP1330

71' : 10164-0639
MCT 5

72' : 10077-0644
GWP1297

76' : 10137-0723
TOK 133

79' : 10098-0502
GWP1304

84' : 10175-0628
DAM2248

85' : 10165-0521
WSI 115

86' : 10116-0447
GWP1311

86' : 10063-0626
GWP1289

90' : 10180-0623
DAM2262

92' : 10181-0625
A 65

98' : 10066-0519
GWP1293

98' : 10184-0629
DAM2280

98' : 10122-0750
RST3686

100' : 10090-0741
GWP1302

105' : 10055-0535
RST4449

110' : 10050-0540
HJ 150

127' : 10086-0807
XMI 96



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.

10120-0612 HO 44 (HD 88478)

 
 
10h 12m 01.24s -06° 12' 10.3" P.A. 201.00 sep 0.7 mag 8.53,8.93 Sp F2 dist. 85.11 pc (277.63 l.y.)
 
 
Coord 2000 10120-0612 Discov num HO   44 Comp Coord arcsec 2000 10 12 01.24 -06 12 10.3
Date first 1884 Date last 2019 Obs 35
Pa first 191 Pa last 200.5 P.A. Now (θ) 200.5°
Sep first 0.4 Sep last 0.674 Sep. Now (ρ) 0.674"
Mag pri 8.53 Mag sec 8.93 delta mag (ΔM) 0.4 Spectral class F2 (yellow-white)
Pri motion ra -056 Sec motion ra -056
Pri motion dec +022 Sec motion dec +022
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 88478 Constellation Sextans SAO 137406 HIP 49961
Tycho2 4910-00443-1 HD 88478 ADS 7675 BD BD-05 3011
Distance 85.11 Distance ly 277.63
 
 
ORBITAL ELEMENTS
 
 
Period (P)256.04y Periastron (T)1942.68y Semi-major axis (a)0.433a
Eccentricity (e)0.984 Inclination (i)143.6° Longitude of periastron (ω)52.7°
Node (Ω)65.2° Notesn ReferenceZir2008
Equinox2000 Last observation2004 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 203.9 0.615
2001 203.8 0.620
2002 203.7 0.624
2003 203.6 0.629
2004 203.5 0.633
2005 203.4 0.637
2006 203.4 0.641
2007 203.3 0.645
2008 203.2 0.649
2009 203.1 0.653
2010 203.0 0.657
2011 202.9 0.660
2012 202.8 0.664
2013 202.7 0.667
2014 202.7 0.671
2015 202.6 0.674
2016 202.5 0.678
2017 202.4 0.681
2018 202.3 0.684
2019 202.2 0.687
2020 202.2 0.690
2021 202.1 0.693
2022 202.0 0.696
2023 201.9 0.699
2024 201.9 0.701
2025 201.8 0.704
2026 201.7 0.706
2027 201.6 0.709
2028 201.5 0.711
2029 201.5 0.714
2030 201.4 0.716


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


 
  


wds10120-0612a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 10120-0612 HO 44 (HD 88478) : NOTES
 
 
discov_num notes refcode
HO 44 Motion in a highly-inclined orbit.
 
 
REFERENCES
 
 
refcode metd author reference
Zir2008 orb - Zirm, H. 2008IAUDS.166....1Z
Zir2008 Inf. Circ. 166, 1, 2008
 
 
DISCOVERER
 
 
idgroup discov author
1 HO Hough, G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10120-0612 HO 44 2004 34 209 0.6 8.53 8.93 F2 NOD 101201.24-061210.3
10120-0612 HO 44 2019 35 201 0.7 8.53 8.93 F2 NO 101201.24-061210.3

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

 
 
WDS 10120-0612 HO 44 (HD 88478) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 10120-0612 HO 44 (HD 88478) : MEASURES
 
 
No records found.

 
 
WDS 10120-0612 (HD 88478) : VIRTUAL EYEPIECE
 
 

10120-0612 HO 44A mag 8.53 Sp F2 10120-0612 HO 44B sep 0.7 P.A. 200.40 mag 8.93 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 10120-0612 (HD 88478) : ALADIN DSS IMAGE @ 10h 12m 01.24s -06° 12' 10.3"
 
 
 
 
WDS 10120-0612 HO 44 (HD 88478) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

10120-0612 HO 44 distance=0' 10132-0607 DAM2144 distance=20' 10133-0601 DEA 74 distance=22' 10130-0548 OL 159 distance=29' 10114-0642 GWP1310 distance=32' 10100-0637 A 2980 distance=40' 10150-0625 J 1563 distance=46' 10159-0613 GWP1332 distance=59' 10159-0625 J 3320 distance=60' 10158-0541 GWP1330 distance=64' 10164-0639 MCT 5 distance=71' 10077-0644 GWP1297 distance=72' 10137-0723 TOK 133 distance=76' 10098-0502 GWP1304 distance=79' 10175-0628 DAM2248 distance=84' 10165-0521 WSI 115 distance=85' 10116-0447 GWP1311 distance=86' 10063-0626 GWP1289 distance=86' 10180-0623 DAM2262 distance=90' 10181-0625 A 65 distance=92' 10066-0519 GWP1293 distance=98' 10184-0629 DAM2280 distance=98' 10122-0750 RST3686 distance=98' 10090-0741 GWP1302 distance=100' 10055-0535 RST4449 distance=105' 10050-0540 HJ 150 distance=110' 10086-0807 XMI 96 distance=127' 10036-0600 RST4448 distance=127' 10192-0502 GWP1341 distance=129' 10193-0724 GWP1343 distance=130' 10032-0557 GWP1278 distance=133' 10083-0812 XMI 95 distance=133' 10208-0633 TSN 81 distance=133' 10141-0401 GWP1316 distance=135' 10209-0641 OSO 32AB distance=135' 10209-0641 OSO 32AC distance=135' 10101-0824 CHR 177 distance=136' 10160-0816 GWP1334 distance=138' 10043-0458 GWP1285 distance=138' 10029-0556 A 64AB distance=138' 10029-0556 DAM 716AB,C distance=138' 10032-0658 GWP1277 distance=139' 10218-0627 TDS7218 distance=147' 10021-0613 UC 1868 distance=148' 10017-0606 RST4446 distance=155' 10169-0829 UC 1905 distance=155' 10132-0848 LDS 296 distance=156' 10103-0848 UC 1889 distance=158' 10042-0426 GWP1284 distance=158' 10201-0421 HO 531 distance=165' 10010-0651 GWP1270 distance=169' 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 10120-0612 HO 44 201 0.7
Show 10132-0607 DAM2144 309 7.9 20
Show 10133-0601 DEA 74 246 14.1 22
Show 10130-0548 OL 159 192 1.9 29
Show 10114-0642 GWP1310 335 35.4 32
Show 10100-0637 A 2980 180 0.8 40
Show 10150-0625 J 1563 4 10.0 46
Show 10159-0613 GWP1332 171 59.9 59
Show 10159-0625 J 3320 108 6.2 60
Show 10158-0541 GWP1330 94 10.4 64
Show 10164-0639 MCT 5 277 1.4 71
Show 10077-0644 GWP1297 166 50.4 72
Show 10137-0723 TOK 133 168 8.7 76
Show 10098-0502 GWP1304 338 20.7 79
Show 10175-0628 DAM2248 90 1.8 84
Show 10165-0521 WSI 115 195 3.2 85
Show 10116-0447 GWP1311 23 11.9 86
Show 10063-0626 GWP1289 357 558.7 86
Show 10180-0623 DAM2262 9 2.7 90
Show 10181-0625 A 65 159 4.7 92
Show 10066-0519 GWP1293 48 87.1 98
Show 10184-0629 DAM2280 193 8.1 98
Show 10122-0750 RST3686 201 5.9 98
Show 10090-0741 GWP1302 293 34.1 100
Show 10055-0535 RST4449 294 0.4 105
Show 10050-0540 HJ 150 311 12.7 110
Show 10086-0807 XMI 96 277 25.4 127
Show 10036-0600 RST4448 174 1.7 127
Show 10192-0502 GWP1341 81 65.0 129
Show 10193-0724 GWP1343 19 8.5 130
Show 10032-0557 GWP1278 292 6.8 133
Show 10083-0812 XMI 95 148 22.9 133
Show 10208-0633 TSN 81 157 87.3 133
Show 10141-0401 GWP1316 56 117.0 135
Show 10209-0641 OSO 32 AB 190 5.5 135
Show 10209-0641 OSO 32 AC 269 12.4 135
Show 10101-0824 CHR 177 9 0.2 136
Show 10160-0816 GWP1334 227 15.9 138
Show 10043-0458 GWP1285 41 88.2 138
Show 10029-0556 A 64 AB 344 1.5 138
Show 10029-0556 DAM 716 AB,C 334 48.9 138
Show 10032-0658 GWP1277 289 19.3 139
Show 10218-0627 TDS7218 50 0.7 147
Show 10021-0613 UC 1868 287 39.8 148
Show 10017-0606 RST4446 336 1.5 155
Show 10169-0829 UC 1905 287 49.8 155
Show 10132-0848 LDS 296 204 5.1 156
Show 10103-0848 UC 1889 179 25.4 158
Show 10042-0426 GWP1284 183 51.5 158
Show 10201-0421 HO 531 122 3.1 165
Show 10010-0651 GWP1270 92 11.7 169

 
 
WDS 10120-0612 : COMPONENTS
 
 
  A
B pa=200.4°
sep=0.67"
 
 
10120-0612 A
 
 
Componente originario normalizzato AB Name HD 88478 Coord arcsec 2000 101201.24-061210.3 Mag 8.53
Spectral class F2 (yellow-white) PmRA -56.00 PmDE 22.0 SAO 137406
HIP 49961 Tycho2 4910-00443-1 HD 88478 BD BD-05 3011
Tycho2
Tycho2 4910-00443-1 Pflag RAmdeg 153.00514838 DEmdeg -6.20291777
PmRA -56.4 PmDE 22.2 E RAmdeg 5 E DEmdeg 6
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.22 EpDEm 1991.04
Num 11 Q RAmdeg 1.0 Q DEmdeg 1.0 Q pmRA 0.9
Q pmDE 1.0 BTmag 8.593 E BTmag 0.017 VTmag 8.099
E VTmag 0.012 Prox 999 TYC T HIP 49961
CCDM AB RAdeg 153.00527722 DEdeg -6.20296778 EpRA 1990 1.82
EpDE 1990 1.84 E RAdeg 5.1 E DEdeg 5.8 Posflg P
Corr 0.4
SAO
SAO 137406 DelFlag RA1950 PmRA1950 -0.0051
DE1950 PmDE1950 0.025 Vmag 7.8 SpType F2
Double code Source 27 CatNum 3943 DM BD-05 3011
DMcomp BDsup HD 88478 M HD 0
GC RA1950rad 2.65951237 DE1950rad -0.10394911 PmRA2000 -0.0048
PmDE2000 0.03
Hipparcos
Catalog H HIP 49961 Proxy H RAhms 10 12 01.28
DEdms -06 12 10.5 Vmag 7.96 VarFlag R Vmag G
RAdeg 153.005 DEdeg -6.20291 AstroRef A Plx 10.48
CCDM 10120-0612 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 205 Rho 0.571 HD 88478 BD BD-05 3011
CD CP Dm number -05 3011 VIred 0.52
SpType F2 R SpType Coord arcsec 2000 101201.28-061210.5
Hipparcos 2
HIP 49961 Sn 15 So 3 Nc 2
RArad 2.6704464923 DErad -0.1082611929 Plx 11.75 PmRA -55.4
PmDE 23.35 E RArad 1.48 E DErad 1.05 E Plx 1.45
E pmRA 1.82 E pmDE 1.26 Hpmag 8.0613 E Hpmag 0.0013
SHp 0.01 VA 0 BV 0.448 E BV 0.015
VI 0.52
CCDM
Ccdm 10120-0612 RComp Comp A Note1
Note2 Discov num DRAs 1.15 DDEs -10.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.5 Sp F2 PmNote *
PmRA -76 PmDE 25 Dm number -05 3011 Cat1 BD
Name2 137406 Cat2 SAO HD 88478 M HD
ADS BDS A 7675 M ADS BDS N IDS IDS 10071S0543A
HIC 49961
 
 
10120-0612 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 101201.22-061210.9 Mag 8.93 PmRA -56.00
PmDE 22.0 Calc delta mag 0.4 Calc coord yes
CCDM
Ccdm 10120-0612 RComp Comp B Note1
Note2 Discov num HO 44 DRAs DDEs
R dRAs Year 1959 Theta 212 Rho 0.3
Obs 9 Vmag 8.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 7675 M ADS BDS N IDS IDS 10071S0543B
HIC 49961