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Doubles in session


Current system
09271-1716
SKI 6
HD 81748


Nearby doubles
5' : 09269-1712
GWP1177AB

19' : 09259-1721
TDS6553AB

33' : 09257-1741
ARA 217

37' : 09272-1640
TOK 528

37' : 09281-1642
DAM1626

38' : 09291-1739
J 1549

47' : 09285-1634
UC 1798

64' : 09267-1819
KPP1958

69' : 09314-1747
TDS6621

74' : 09229-1634
UC 1783

75' : 09320-1648
HDS1370

75' : 09308-1623
LDS 272

75' : 09229-1633
A 3078

77' : 09225-1754
BU 337

77' : 09259-1601
BRT 574

81' : 09267-1836
RSS 201

82' : 09217-1653
BRT 619

84' : 09330-1721
TOI 563

86' : 09215-1745
BVD 145

86' : 09243-1601
LDS6227

92' : 09209-1728
LDS3879

94' : 09267-1849
RST4436

103' : 09260-1535
CLZ 15

105' : 09303-1851
TOI2603AB

107' : 09259-1530
LDS3891

107' : 09310-1544
BU 339



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.

09271-1716 SKI 6 (HD 81748)

 
 
09h 27m 07.79s -17° 15' 56.7" P.A. 357.00 sep 6.4 mag 9.25,10.07 Sp G5
 
 
Coord 2000 09271-1716 Discov num SKI   6 Comp Coord arcsec 2000 09 27 07.79 -17 15 56.7
Date first 1900 Date last 2017 Obs 19
Pa first 357 Pa last 357.3 P.A. Now (θ) 357.3°
Sep first 6.0 Sep last 6.361 Sep. Now (ρ) 6.361"
Mag pri 9.25 Mag sec 10.07 delta mag (ΔM) 0.82 Spectral class G5 (yellow)
Pri motion ra -031 Sec motion ra -031
Pri motion dec -022 Sec motion dec -021
Notes T (Parallax indicates physical)
rPM=0.026 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 81748 Constellation Hydra SAO 155203 Tycho2 6033-00712-1
Gaia DR2 5681982320879398656 HD 81748
 
 
WDS 09271-1716 SKI 6 (HD 81748) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Ski1872 Ma - Skinner, A.N. .
Ski1872 Washington Observations, 211, 1872
Ski1872b Ma j Skinner, A.N. 1872AN.....79..247S
Ski1872b AN 79, 247, 1872 (data also in Ski1872)
Ski1911 Ma j Skinner, A.N. 1911PUSNO...6A.115.
Ski1911 Pub. USNO 6, A117, 1911
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
09271-1716 SKI 6 2008 11 358 6.4 9.25 10.07 G5 D 092707.79-171556.7
09271-1716 SKI 6 2010 12 357 6.1 9.25 10.07 G5 D 092707.79-171556.7
09271-1716 SKI 6 2014 14 357 6.4 9.25 10.07 G5 092707.79-171556.7
09271-1716 SKI 6 2017 16 358 6.4 9.25 10.07 G5 092707.79-171556.7

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

 
 
WDS 09271-1716 SKI 6 (HD 81748) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 09271-1716 SKI 6 (HD 81748) : MEASURES
 
 
No records found.

 
 
WDS 09271-1716 (HD 81748) : VIRTUAL EYEPIECE
 
 

09271-1716 SKI 6A mag 9.25 Sp G5 09271-1716 SKI 6B sep 6.4 P.A. 357.40 mag 10.07 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 09271-1716 (HD 81748) : ALADIN DSS IMAGE @ 09h 27m 07.79s -17° 15' 56.7"
 
 
 
 
WDS 09271-1716 SKI 6 (HD 81748) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

09271-1716 SKI 6 distance=0' 09269-1712 GWP1177AB distance=5' 09259-1721 TDS6553AB distance=19' 09259-1721 DAM1613AB,C distance=19' 09257-1741 ARA 217 distance=33' 09272-1640 TOK 528 distance=37' 09281-1642 DAM1626 distance=37' 09291-1739 J 1549 distance=38' 09285-1634 UC 1798 distance=47' 09267-1819 KPP1958 distance=64' 09314-1747 TDS6621 distance=69' 09229-1634 UC 1783 distance=74' 09320-1648 HDS1370 distance=75' 09308-1623 LDS 272 distance=75' 09229-1633 A 3078 distance=75' 09225-1754 BU 337 distance=77' 09259-1601 BRT 574 distance=77' 09267-1836 RSS 201 distance=81' 09217-1653 BRT 619 distance=82' 09330-1721 TOI 563 distance=84' 09215-1745 BVD 145 distance=86' 09243-1601 LDS6227 distance=86' 09209-1728 LDS3879 distance=92' 09267-1849 RST4436 distance=94' 09260-1535 CLZ 15 distance=103' 09303-1851 TOI2603AB distance=105' 09303-1851 TOI2603AC distance=105' 09259-1530 LDS3891 distance=107' 09310-1544 BU 339 distance=107' 09274-1908 B 2531 distance=113' 09186-1712 A 3076 distance=122' 09229-1530 BU 338 distance=123' 09257-1917 XMI 92AB distance=124' 09257-1917 XMI 92AC distance=124' 09357-1724 DBR 303 distance=124' 09362-1715 HU 723 distance=130' 09362-1702 RST3647 distance=132' 09364-1702 GWP1202 distance=133' 09298-1923 ARA 407 distance=134' 09365-1728 RST3650 distance=135' 09196-1550 A 3077 distance=139' 09286-1935 B 1123 distance=141' 09363-1808 TDS 543 distance=141' 09340-1900 B 1992 distance=143' 09341-1906 B 1993 distance=149' 09275-1445 UC 1792 distance=152' 09171-1617 J 2068 distance=152' 09167-1650 RST3632 distance=152' 09208-1514 GWP1163 distance=153' 09253-1445 TDS6546 distance=154' 09361-1551 UC 1815 distance=154' 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 09271-1716 SKI 6 357 6.4
Show 09269-1712 GWP1177 AB 265 324.7 5
Show 09259-1721 TDS6553 AB 289 0.8 19
Show 09259-1721 DAM1613 AB,C 3 9.8 19
Show 09257-1741 ARA 217 299 15.0 33
Show 09272-1640 TOK 528 99 999.9 37
Show 09281-1642 DAM1626 202 1.2 37
Show 09291-1739 J 1549 218 7.5 38
Show 09285-1634 UC 1798 39 11.4 47
Show 09267-1819 KPP1958 160 15.5 64
Show 09314-1747 TDS6621 313 0.6 69
Show 09229-1634 UC 1783 67 75.8 74
Show 09320-1648 HDS1370 176 0.4 75
Show 09308-1623 LDS 272 6 25.5 75
Show 09229-1633 A 3078 51 1.3 75
Show 09225-1754 BU 337 352 9.9 77
Show 09259-1601 BRT 574 197 6.8 77
Show 09267-1836 RSS 201 343 8.1 81
Show 09217-1653 BRT 619 237 4.3 82
Show 09330-1721 TOI 563 33 0.4 84
Show 09215-1745 BVD 145 317 46.5 86
Show 09243-1601 LDS6227 27 39.6 86
Show 09209-1728 LDS3879 74 13.1 92
Show 09267-1849 RST4436 22 0.5 94
Show 09260-1535 CLZ 15 19 37.0 103
Show 09303-1851 TOI2603 AB 15 5.5 105
Show 09303-1851 TOI2603 AC 7 6.3 105
Show 09259-1530 LDS3891 279 327.3 107
Show 09310-1544 BU 339 252 1.3 107
Show 09274-1908 B 2531 292 0.2 113
Show 09186-1712 A 3076 285 1.1 122
Show 09229-1530 BU 338 273 7.2 123
Show 09257-1917 XMI 92 AB 45 16.6 124
Show 09257-1917 XMI 92 AC 271 30.2 124
Show 09357-1724 DBR 303 60 3.1 124
Show 09362-1715 HU 723 174 2.0 130
Show 09362-1702 RST3647 178 0.4 132
Show 09364-1702 GWP1202 306 7.6 133
Show 09298-1923 ARA 407 277 8.4 134
Show 09365-1728 RST3650 255 1.0 135
Show 09196-1550 A 3077 190 3.9 139
Show 09286-1935 B 1123 46 1.1 141
Show 09363-1808 TDS 543 52 0.6 141
Show 09340-1900 B 1992 28 0.5 143
Show 09341-1906 B 1993 287 2.6 149
Show 09275-1445 UC 1792 311 18.5 152
Show 09171-1617 J 2068 195 4.0 152
Show 09167-1650 RST3632 177 7.4 152
Show 09208-1514 GWP1163 164 14.1 153
Show 09253-1445 TDS6546 113 0.7 154
Show 09361-1551 UC 1815 51 13.4 154

 
 
WDS 09271-1716 : COMPONENTS
 
 
  A
B pa=357.4°
sep=6.36"
 
 
09271-1716 A
 
 
Componente originario normalizzato AB Name HD 81748 Coord arcsec 2000 092707.79-171556.7 Mag 9.25
Spectral class G5 (yellow) PmRA -31.00 PmDE -22.0 SAO 155203
Tycho2 6033-00712-1 HD 81748 DM BD-16 2786
Tycho2
Tycho2 6033-00712-1 Pflag RAmdeg 141.78246051 DEmdeg -17.26574006
PmRA -31.4 PmDE -43.7 E RAmdeg 12 E DEmdeg 15
E pmRA 2.4 E pmDE 2.1 EpRAm 1990.92 EpDEm 1990.30
Num 4 Q RAmdeg 0.9 Q DEmdeg 5.9 Q pmRA 0.9
Q pmDE 6.2 BTmag 9.875 E BTmag 0.027 VTmag 9.253
E VTmag 0.021 Prox 63 TYC T HIP
CCDM RAdeg 141.78253583 DEdeg -17.26564556 EpRA 1990 1.76
EpDE 1990 1.93 E RAdeg 12.1 E DEdeg 15.4 Posflg
Corr 0.0
SAO
SAO 155203 DelFlag RA1950 PmRA1950 -0.0032
DE1950 PmDE1950 -0.035 Vmag 9.1 SpType G5
Double code Source 21 CatNum 3825 DM BD-16 2786
DMcomp A BDsup HD 81748 M HD 1
GC RA1950rad 2.46433194 DE1950rad -0.2975381 PmRA2000 -0.0029
PmDE2000 -0.03
CCDM
Ccdm 09271-1716 RComp Comp A Note1
Note2 Discov num DRAs 1.72 DDEs 2.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.9 Sp G5 PmNote *
PmRA -46 PmDE -35 Dm number -16 2786 Cat1 BD
Name2 155203 Cat2 SAO HD 81748 M HD
ADS BDS A 7383 M ADS BDS N IDS IDS 09224S1650A
HIC
 
 
09271-1716 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 092707.77-171550.3 Mag 10.07 PmRA -31.00
PmDE -21.0 Tycho2 6033-00712-2 Calc delta mag 0.82 Calc coord yes
Tycho2
Tycho2 6033-00712-2 Pflag RAmdeg 141.78237529 DEmdeg -17.26395061
PmRA -28.4 PmDE -20.5 E RAmdeg 25 E DEmdeg 31
E pmRA 1.9 E pmDE 1.9 EpRAm 1989.63 EpDEm 1988.33
Num 4 Q RAmdeg 0.6 Q DEmdeg 0.7 Q pmRA 0.6
Q pmDE 0.7 BTmag 10.919 E BTmag 0.058 VTmag 10.075
E VTmag 0.037 Prox 63 TYC T HIP
CCDM RAdeg 141.78244333 DEdeg -17.26390500 EpRA 1990 1.76
EpDE 1990 1.92 E RAdeg 24.7 E DEdeg 31.7 Posflg
Corr 0.0
CCDM
Ccdm 09271-1716 RComp Comp B Note1
Note2 Discov num SKI 6 DRAs 1.72 DDEs 6.9
R dRAs 10 Year 1900 Theta 357 Rho 6.5
Obs 6 Vmag 9.9 Sp PmNote *
PmRA -36 PmDE -65 Dm number Cat1
Name2 155202 Cat2 SAO HD M HD
ADS BDS A 7383 M ADS BDS N IDS IDS 09224S1650B
HIC