17031-5314 HDO 263 AB

 
 
17h 03m 08.76s -53° 14' 13.1" P.A. 18.00 sep 46.1 mag 5.33,13.85 Sp F5V dist. 27.23 pc (88.82 l.y.)
 
 
Coord 2000 17031-5314 Discov num HDO 263 Comp AB Coord arcsec 2000 17 03 08.76 -53 14 13.1
Date first 1891 Date last 1999 Obs 2
Pa first 20 Pa last 17.6 P.A. Now (θ) 17.6°
Sep first 25.0 Sep last 46.09 Sep. Now (ρ) 46.09"
Mag pri 5.33 Mag sec 13.85 delta mag (ΔM) 8.52 Spectral class F5V (yellow-white)
Pri motion ra -017 Sec motion ra +013
Pri motion dec -118 Sec motion dec +007
Notes N (See Notes)
rPM=1.078
This double is not physical.
 
 
17031-5314 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Eps2 Ara 244388 17 03 09 -53 14 13 HDS 2412 Aa,Ab 2021 29 151 0.7 5.44 8.65 3.21 Y
Show 244388 17 03 09 -53 14 13 HDO 263 AB 1999 2 18 46.1 5.33 13.85 8.52 <===
Show 244388 17 03 09 -53 14 13 SKF 103 AC 2015 3 258 113.6 5.33 13.48 8.15
Quadruple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ara SAO 244388 HIP 83431 Tycho2 8726-02209-1
Gaia DR2 5923907314622859520 HD 153580 HR 6314 GC 22956
GL NN 3985 CP CP-53 8316 Bayer Epsilon 2 Arae Bayer name Eps2 Ara
Distance 27.23 Distance ly 88.82 Bayer greek ε2 Ara
 
 
WDS 17031-5314 HDO 263 AB : NOTES
 
 
discov_num notes refcode
HDO 263 eps 2 Ara. Duplicity doubtful.
SKF 103 Identified as a double but not measured by Wegner. Wgn1973
AC: GJ 2125. C is DA3.2, mass 0.65. Mass(A)=1.41 (Holberg et al. 2013) Hbg2013
 
 
REFERENCES
 
 
refcode metd author reference
Hbg2013 not - Holberg, J. B., Oswalt, T. D., & Sion, E. M. 2013MNRAS.435.2077H
Hbg2013 MNRAS 435, 2077, 2013
Wgn1973 - Wegner, G. 1973MNRAS.165..271W
Wgn1973 MNRAS 165, 271, 1973
 
 
DISCOVERER
 
 
idgroup discov author
1 HDO Harvard Obs.
10 HDS Hipparcos Double Star (from additional DD list)
10 SKF Skiff, B.A.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17031-5314 HDO 263 AB 1891 1 20 25.0 5.29 13.00 F6V N D 170308.71-531411.9
17031-5314 HDO 263 AB 1999 2 18 46.1 5.33 13.85 F5V N D 170308.76-531413.1

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WDS 17031-5314 HDO 263 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17031-5314 HDO 263 AB : MEASURES
 
 
No records found.

 
 
WDS 17031-5314 : VIRTUAL EYEPIECE
 
 

17031-5314 HDO 263A mag 5.33 Sp F5V 17031-5314 HDS2412Ab sep 0.6 P.A. 161.90 mag 8.65 17031-5314 HDO 263B sep 44.7 P.A. 10.80 mag 13.85 17031-5314 SKF 103C sep 70.6 P.A. 250.30 mag 13.48 Sp DA3.2 virtual eyepiece
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Radius:
Components only
 
 
WDS 17031-5314 : ALADIN DSS IMAGE @ 17h 03m 08.76s -53° 14' 13.1"
 
 
 
 
WDS 17031-5314 HDO 263 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


17031-5314  HDO 263AB distance=0' 17047-5306  I  1309 distance=17' 17059-5342  KPP 389 distance=38' 16589-5312  WIS 307 distance=38' 17056-5346  RST3064 distance=39' 17074-5345  RST3067 distance=50' 16593-5230  RST3058 distance=57' 16573-5344  JNN 318AB distance=60' 16573-5344  JNN 318AC distance=60' 16573-5344  SYU  11Aa,Ab distance=60' 17098-5240  B  1845 distance=70' 17107-5300  NSN 374 distance=70' 17061-5203  RST1932 distance=76' 16551-5343  TDT 141 distance=78' 17097-5224  R   290 distance=78' 16579-5210  BRT2091 distance=80' 17043-5152  HDS2416 distance=84' 16584-5203  CPO 504 distance=84' 17001-5436  HDO 262 distance=86' 17097-5420  HJ 4917 distance=89' 17123-5245  B  1850 distance=89' 16533-5334  RST3047 distance=91' 17134-5306  B  2406 distance=93' 17036-5448  WFC 184 distance=95' 17133-5340  FIN  52 distance=95' 16574-5153  HDS2397Aa,Ab distance=97' 16574-5153  CPO9229AB distance=97' 16574-5153  CPO9229AC distance=97' 16574-5153  CPO9229AD distance=97' 16548-5417  RST3055 distance=97' 16568-5151  RST 888 distance=102' 16556-5434  RST3056AB distance=104' 16556-5434  BVD 119AB,C distance=104' 17061-5133  BRT 944 distance=105' 17112-5156  RST3073 distance=108' 17026-5504  HDS2411Aa,Ab distance=111' 17026-5504  HJ 4905AB distance=111' 16538-5201  TDT 134 distance=113' 17050-5122  RST5596 distance=113' 17140-5217  B  1851 distance=115' 17094-5134  BRT 948 distance=116' 17137-5425  R   294 distance=118' 17125-5152  RST5597BC distance=119' 17125-5152  CPO 515AB distance=119' 16547-5447  TDT 138 distance=120' 17149-5218  B  1852 distance=121' 16556-5458  BRT2580 distance=122' 17034-5112  RST1928 distance=123' 17024-5111  I  1308 distance=124' 16491-5303  RST3041 distance=127' 17018-5108  I  1306 distance=127' 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 17031-5314 HDS2412 Aa,Ab 151 0.7
Show 17031-5314 HDO 263 AB 18 46.1
Show 17031-5314 SKF 103 AC 258 113.6
Show 17047-5306 I 1309 307 2.8 17
Show 17059-5342 KPP 389 317 3.7 38
Show 16589-5312 WIS 307 124 85.4 38
Show 17056-5346 RST3064 136 0.2 39
Show 17074-5345 RST3067 60 4.1 50
Show 16593-5230 RST3058 244 0.8 57
Show 16573-5344 JNN 318 AB 102 3.2 60
Show 16573-5344 JNN 318 AC 298 3.5 60
Show 16573-5344 SYU 11 Aa,Ab 0.1 60
Show 17098-5240 B 1845 143 0.7 70
Show 17107-5300 NSN 374 343 1.2 70
Show 17061-5203 RST1932 219 1.4 76
Show 16551-5343 TDT 141 47 0.6 78
Show 17097-5224 R 290 119 9.6 78
Show 16579-5210 BRT2091 3 4.4 80
Show 17043-5152 HDS2416 258 5.6 84
Show 16584-5203 CPO 504 139 8.0 84
Show 17001-5436 HDO 262 51 25.2 86
Show 17097-5420 HJ 4917 35 15.1 89
Show 17123-5245 B 1850 216 5.0 89
Show 16533-5334 RST3047 105 1.6 91
Show 17134-5306 B 2406 84 8.0 93
Show 17036-5448 WFC 184 142 14.2 95
Show 17133-5340 FIN 52 124 5.1 95
Show 16574-5153 HDS2397 Aa,Ab 273 0.4 97
Show 16574-5153 CPO9229 AB 50 4.6 97
Show 16574-5153 CPO9229 AC 78 7.4 97
Show 16574-5153 CPO9229 AD 316 6.7 97
Show 16548-5417 RST3055 31 1.4 97
Show 16568-5151 RST 888 336 0.5 102
Show 16556-5434 RST3056 AB 69 2.1 104
Show 16556-5434 BVD 119 AB,C 353 27.1 104
Show 17061-5133 BRT 944 225 5.8 105
Show 17112-5156 RST3073 294 0.3 108
Show 17026-5504 HDS2411 Aa,Ab 9 0.2 111
Show 17026-5504 HJ 4905 AB 54 39.5 111
Show 16538-5201 TDT 134 350 10.2 113
Show 17050-5122 RST5596 103 5.3 113
Show 17140-5217 B 1851 166 0.7 115
Show 17094-5134 BRT 948 44 4.6 116
Show 17137-5425 R 294 116 14.4 118
Show 17125-5152 RST5597 BC 351 1.9 119
Show 17125-5152 CPO 515 AB 218 10.3 119
Show 16547-5447 TDT 138 285 0.6 120
Show 17149-5218 B 1852 128 1.5 121
Show 16556-5458 BRT2580 105 5.6 122
Show 17034-5112 RST1928 48 2.4 123
Show 17024-5111 I 1308 343 1.8 124

 
 
WDS 17031-5314 : COMPONENTS
 
 
  A Ab B
Ab pa=161.9°
sep=0.63"
 
B pa=10.8°
sep=44.72"
pa=10.4°
sep=45.27"
 
C pa=250.3°
sep=70.64"
pa=250.8°
sep=70.62"
pa=227.9°
sep=100.96"
 
 
17031-5314 A
 
 
Coord arcsec 2000 170308.76-531413.1 Mag 5.33 Spectral class F5V (yellow-white) PmRA -17.00
PmDE -118.0 SAO 244388 HIP 83431 Tycho2 8726-02209-1
HD 153580 HR 6314 GC 22956 CP CP-53 8316
Bayer Epsilon 2 Bayer name Eps2
Tycho2
Tycho2 8726-02209-1 Pflag RAmdeg 255.78626437 DEmdeg -53.23699418
PmRA -8.0 PmDE -152.4 E RAmdeg 4 E DEmdeg 4
E pmRA 3.9 E pmDE 3.7 EpRAm 1991.63 EpDEm 1991.35
Num 4 Q RAmdeg 1.0 Q DEmdeg 1.5 Q pmRA 0.9
Q pmDE 1.5 BTmag 5.842 E BTmag 0.014 VTmag 5.333
E VTmag 0.009 Prox 999 TYC T HIP 83431
CCDM AC RAdeg 255.78629528 DEdeg -53.23662833 EpRA 1990 1.64
EpDE 1990 1.36 E RAdeg 3.5 E DEdeg 3.7 Posflg P
Corr 0.2
SAO
SAO 244388 DelFlag RA1950 PmRA1950 -0.0001
DE1950 PmDE1950 -0.143 Vmag 5.4 SpType F8
Double code Source 70 CatNum 22956 DM CP-53 8316
DMcomp BDsup HD 153580 M HD 0
GC 22956 RA1950rad 4.44685139 DE1950rad -0.92789006 PmRA2000 -0.0004
PmDE2000 -0.144
Hipparcos
Catalog H HIP 83431 Proxy H RAhms 17 03 08.71
DEdms -53 14 11.9 Vmag 5.27 VarFlag R Vmag H
RAdeg 255.786 DEdeg -53.2366 AstroRef A Plx 37.97
CCDM 17031-5314 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AC
Theta 109 Rho 0.588 HD 153580 BD
CD CP CP-53 8316 Dm number -53 8316 VIred 0.55
SpType F6V R SpType Coord arcsec 2000 170308.71-531411.9
Hipparcos 2
HIP 83431 Sn 17 So 3 Nc 2
RArad 4.4643129342 DErad -0.9291544207 Plx 36.73 PmRA 0.15
PmDE -165.2 E RArad 0.59 E DErad 0.41 E Plx 0.63
E pmRA 0.63 E pmDE 0.47 Hpmag 5.3839 E Hpmag 0.0008
SHp 0.005 VA 0 BV 0.498 E BV 0.005
VI 0.57
CCDM
Ccdm 17031-5314 RComp Comp A Note1
Note2 Discov num DRAs 2.70 DDEs -13.3
R dRAs 82 Year Theta Rho
Obs 3 Vmag 5.4 Sp F5 PmNote *
PmRA -1 PmDE -165 Dm number -53 8316 Cat1 CPD
Name2 244388 Cat2 SAO HD 153580 M HD
ADS BDS M ADS BDS N IDS IDS 16552S5305A
HIC 83431
 
 
17031-5314 Ab
 
 
Coord arcsec 2000 170308.78-531413.7 Mag 8.65 Calc delta mag 3.21 Calc coord yes
 
 
17031-5314 B
 
 
Coord arcsec 2000 170309.69-531329.2 Mag 13.85 PmRA 13.00 PmDE 7.0
Calc delta mag 8.41 Calc coord yes
CCDM
Ccdm 17031-5314 RComp Comp B Note1
Note2 Discov num HDO 263 DRAs DDEs
R dRAs Year Theta 020 Rho 25.0
Obs Vmag 13.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 16552S5305B
HIC
 
 
17031-5314 C
 
 
Coord arcsec 2000 170301.35-531436.9 Mag 13.48 Spectral class DA3.2 (white dwarf) PmRA -5.00
PmDE -153.0 Calc delta mag 8.04 Calc coord yes
CCDM
Ccdm 17031-5314 RComp Comp C Note1
Note2 Discov num HDS DRAs 2.75 DDEs -13.0
R dRAs 82 Year 1991 Theta 109 Rho 0.6
Obs 1 Vmag 8.6 Sp PmNote
PmRA -17 PmDE -118 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 83431