stampa
Login

Too lazy to login each time? Click on "Remember me" at login and forget about it!
Register here!


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
09171+0717
STTA 98 AB
HD 79955


Nearby doubles
28' : 09158+0657
DAM1581

32' : 09157+0654
TDS6430

34' : 09157+0650
DAM1580

59' : 09168+0814
HJ 808AB

61' : 09199+0633
GTZ 1

62' : 09205+0752
BRT2148

69' : 09162+0610
SLW 339

74' : 09152+0824
GWP1152

74' : 09131+0759
GWP1148

76' : 09207+0810
A 2976AB

79' : 09195+0607
HJ 129

80' : 09153+0602
A 2754

82' : 09226+0725
A 2977

82' : 09209+0816
DAM1601

91' : 09204+0834
GTZ 7

91' : 09203+0559
LNV 1

96' : 09198+0844
GWP1161

100' : 09129+0834
GWP1147

104' : 09104+0649
GOM 7

108' : 09163+0530
SLW 340

109' : 09153+0531
HJ 124AB

113' : 09133+0540
WFC 81AB

113' : 09225+0843
HJ 5477

113' : 09123+0550
TDS6392

116' : 09094+0724
GWP1140

116' : 09164+0521
SKF1717



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.

09171+0717 STTA 98 AB (HD 79955)

 
 
09h 17m 07.79s +07° 16' 30.7" P.A. 170.00 sep 107.2 mag 8.32,8.03 Sp F8
 
 
Coord 2000 09171+0717 Discov num STTA 98 Comp AB Coord arcsec 2000 09 17 07.79 +07 16 30.7
Date first 1873 Date last 2017 Obs 24
Pa first 169 Pa last 170.3 P.A. Now (θ) 170.3°
Sep first 113.1 Sep last 107.2 Sep. Now (ρ) 107.2"
Mag pri 8.32 Mag sec 8.03 delta mag (ΔM) 0.29 Spectral class F8 (yellow-white)
Pri motion ra -009 Sec motion ra -028
Pri motion dec -068 Sec motion dec -035
Notes N (See Notes)
rPM=0.555
Nature of this double is uncertain.
 
 
09171+0717 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 79955 117559 09 17 08 +07 16 31 STTA 98 AB 2017 24 170 107.2 8.32 8.03 0.29 <===
Show 117560 09 17 09 +07 14 44 STTA 98 BC 2017 7 89 147.5 8.03 13.03 5.00
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 79955 Constellation Cancer SAO 117559 Tycho2 0233-00357-1
Gaia DR2 587017064658127360 HD 79955
 
 
WDS 09171+0717 STTA 98 AB (HD 79955) : NOTES
 
 
discov_num notes refcode
STTA 98 AB: Pair appears in an appendix list, not part of discoverer's regular
numbering sequence.
 
 
REFERENCES
 
 
refcode metd author reference
STTA (O. Struve DD - Appendix list) ...................
Stt1864 Ma - Struve, O. 1864MNRAS..24..149S
Stt1864 MNRAS 24, 149, 1864
Stt1866 orb - Struve, O. .
Stt1866 Bull. Imp. Acad. Sci. St. Petersburg, 1866
Stt1874 orb - Struve, O. .
Stt1874 Compte Rendus 79, 1467, 1874
Stt1875 orb - Struve, O. 1875MNRAS..35..367S
Stt1875 MNRAS 35, 367, 1875
Stt1878 Ma - Struve, O. 1878ObPul...9....1S
Stt1878 Pulkova Observations 9, 1, 1878
Stt1879A Ma - Struve, O. 1879Obs.....2..304G
Stt1879A cited by Gledhill (Obs 2, 304, 1879)
Stt1879B Ma - Struve, O. 1879Obs.....3..245G
Stt1879B cited by Gledhill (Obs 3, 245, 1879)
Stt1879C Ma - Struve, O. 1879Obs.....2..344G
Stt1879C cited by Gledhill (Obs 2, 344, 1879)
Stt1880A Ma - Struve, O. 1880Obs.....2..605H
Stt1880A cited by Hunt (Obs. 3, 605, 1880)
Stt1880B Ma - Struve, O. 1880Obs.....3..535G
Stt1880B cited by Gledhill (Obs 3, 535, 1880)
Stt1880C Ma - Struve, O. 1880MNRAS..40..497B
Stt1880C cited by Burnham (MNRAS 40, 497, 1880)
Stt1884A Ma - Struve, O. 1884AReg...22..216S
Stt1884A cited by Sadler (Astr. Register 22, 216, 1884)
Stt1893a Ma j Struve, O. 1893ObPul..10....1S
Stt1893a Pulkova Obs. Observations 10, 1, 1893
Stt1906A Ma - Struve, O. 1906MmRAS..56....1L
Stt1906A cited by Lewis (MemRAS 56, 1, 1906)
Stt1906B Ma j Struve, O. 1906QB821.B972.....
Stt1906B cited in BDS (Burnham Double Star Cat., 1906)
Stt1908A Ma - Struve, O. 1908MNRAS..68..465B
Stt1908A cited by Barnard (MNRAS 68, 465, 1908)
Stt1913A Ma - Struve, O. 1913QB811.B8.......
Stt1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Stt1914A Ma - Struve, O. 1914AN....198..107R
Stt1914A cited by Rabe (AN 198, 107, 1914)
Stt1932A Ma - Struve, O. 1932QB821.A43......
Stt1932A cited in ADS (Aitken Double Star Cat., 1932)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
09171+0717 STTA 98 AB 2004 19 172 107.6 8.03 8.32 F8 NO 091709.04+071444.1
09171+0717 STTA 98 AB 2017 22 170 107.2 8.32 8.03 F8 N 091707.79+071630.7

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

 
 
WDS 09171+0717 STTA 98 AB (HD 79955) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 09171+0717 STTA 98 AB (HD 79955) : MEASURES
 
 
No records found.

 
 
WDS 09171+0717 (HD 79955) : VIRTUAL EYEPIECE
 
 

09171+0717 STTA 98A mag 8.32 Sp F8 09171+0717 STTA 98B sep 108.2 P.A. 170.10 mag 8.03 Sp F8 09171+0717 STTA 98C sep 194.7 P.A. 122.10 mag 13.03 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 09171+0717 (HD 79955) : ALADIN DSS IMAGE @ 09h 17m 07.79s +07° 16' 30.7"
 
 
 
 
WDS 09171+0717 STTA 98 AB (HD 79955) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

09171+0717 STTA 98AB distance=0' 09171+0717 STTA 98BC distance=2' 09158+0657 DAM1581 distance=28' 09157+0654 TDS6430 distance=32' 09157+0650 DAM1580 distance=34' 09168+0814 HJ 808AB distance=59' 09168+0814 BRT2147AC distance=59' 09168+0814 OCC9033Aa,Ab distance=59' 09199+0633 GTZ 1 distance=61' 09205+0752 BRT2148 distance=62' 09162+0610 SLW 339 distance=69' 09152+0824 GWP1152 distance=74' 09131+0759 GWP1148 distance=74' 09207+0810 A 2976BC distance=75' 09207+0810 A 2976AB distance=76' 09195+0607 HJ 129 distance=79' 09153+0602 A 2754 distance=80' 09226+0725 A 2977 distance=82' 09209+0816 DAM1601 distance=82' 09204+0834 GTZ 7 distance=91' 09203+0559 LNV 1 distance=91' 09198+0844 GWP1161 distance=96' 09129+0834 GWP1147 distance=100' 09104+0649 GOM 7 distance=104' 09163+0530 SLW 340 distance=108' 09153+0531 HJ 124AB distance=109' 09153+0531 HJ 124AC distance=109' 09153+0531 SKF1841AD distance=109' 09133+0540 WFC 81AB distance=113' 09225+0843 HJ 5477 distance=113' 09123+0550 TDS6392 distance=113' 09094+0724 GWP1140 distance=116' 09164+0521 SKF1717 distance=116' 09093+0723 UC 1758 distance=117' 09111+0835 STF1319 distance=119' 09141+0906 J 415 distance=121' 09245+0621 NSN 594CD distance=121' 09245+0621 STF1348AB distance=123' 09245+0621 LDS3888AC distance=123' 09184+0918 OCC 908 distance=123' 09177+0922 OCC 909 distance=126' 09104+0550 SKF 964 distance=133' 09261+0704 GWP1173 distance=134' 09126+0915 HEI 483 distance=137' 09076+0713 GWP1138 distance=142' 09100+0849 J 2067 distance=143' 09200+0500 STF1343 distance=143' 09204+0502 SLW 350 distance=144' 09104+0902 GWP1144 distance=145' 09228+0519 HJ 133 distance=146' 09266+0632 BU 589 distance=148' 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 09171+0717 STTA 98 AB 170 107.2
Show 09171+0717 STTA 98 BC 89 147.5 2
Show 09158+0657 DAM1581 171 1.5 28
Show 09157+0654 TDS6430 239 0.8 32
Show 09157+0650 DAM1580 225 4.0 34
Show 09168+0814 HJ 808 AB 204 24.3 59
Show 09168+0814 BRT2147 AC 200 5.4 59
Show 09168+0814 OCC9033 Aa,Ab 125 0.0 59
Show 09199+0633 GTZ 1 84 16.1 61
Show 09205+0752 BRT2148 37 3.3 62
Show 09162+0610 SLW 339 9 106.3 69
Show 09152+0824 GWP1152 7 39.8 74
Show 09131+0759 GWP1148 146 58.1 74
Show 09207+0810 A 2976 BC 137 1.0 75
Show 09207+0810 A 2976 AB 237 28.6 76
Show 09195+0607 HJ 129 244 10.0 79
Show 09153+0602 A 2754 343 1.1 80
Show 09226+0725 A 2977 267 1.6 82
Show 09209+0816 DAM1601 317 13.8 82
Show 09204+0834 GTZ 7 238 15.4 91
Show 09203+0559 LNV 1 232 14.9 91
Show 09198+0844 GWP1161 332 10.1 96
Show 09129+0834 GWP1147 172 27.6 100
Show 09104+0649 GOM 7 97 369.5 104
Show 09163+0530 SLW 340 82 81.2 108
Show 09153+0531 HJ 124 AB 71 15.4 109
Show 09153+0531 HJ 124 AC 242 62.1 109
Show 09153+0531 SKF1841 AD 274 17.6 109
Show 09133+0540 WFC 81 AB 76 8.1 113
Show 09225+0843 HJ 5477 327 30.5 113
Show 09123+0550 TDS6392 130 0.6 113
Show 09094+0724 GWP1140 72 73.8 116
Show 09164+0521 SKF1717 214 1.3 116
Show 09093+0723 UC 1758 155 18.2 117
Show 09111+0835 STF1319 50 13.5 119
Show 09141+0906 J 415 58 4.2 121
Show 09245+0621 NSN 594 CD 22 1.8 121
Show 09245+0621 STF1348 AB 314 2.0 123
Show 09245+0621 LDS3888 AC 325 123.1 123
Show 09184+0918 OCC 908 -1 0.1 123
Show 09177+0922 OCC 909 -1 0.1 126
Show 09104+0550 SKF 964 279 2.1 133
Show 09261+0704 GWP1173 252 541.5 134
Show 09126+0915 HEI 483 228 0.9 137
Show 09076+0713 GWP1138 340 108.9 142
Show 09100+0849 J 2067 342 11.0 143
Show 09200+0500 STF1343 275 9.1 143
Show 09204+0502 SLW 350 27 10.7 144
Show 09104+0902 GWP1144 62 41.2 145
Show 09228+0519 HJ 133 316 16.8 146
Show 09266+0632 BU 589 219 3.1 148

 
 
WDS 09171+0717 : COMPONENTS
 
 
  A B
B pa=170.1°
sep=108.21"
 
C pa=122.1°
sep=194.68"
pa=88.8°
sep=146.32"
 
 
09171+0717 A
 
 
Name HD 79955 Coord arcsec 2000 091707.79+071630.7 Mag 8.32 Spectral class F8 (yellow-white)
PmRA -9.00 PmDE -68.0 SAO 117559 Tycho2 0233-00357-1
HD 79955 DM BD+07 2101
Tycho2
Tycho2 0233-00357-1 Pflag RAmdeg 139.28247668 DEmdeg 7.27518598
PmRA -9.4 PmDE -70.0 E RAmdeg 5 E DEmdeg 8
E pmRA 1.6 E pmDE 1.7 EpRAm 1991.43 EpDEm 1990.53
Num 9 Q RAmdeg 0.4 Q DEmdeg 0.6 Q pmRA 0.5
Q pmDE 0.6 BTmag 8.853 E BTmag 0.017 VTmag 8.316
E VTmag 0.012 Prox 999 TYC T HIP
CCDM RAdeg 139.28249889 DEdeg 7.27535833 EpRA 1990 1.68
EpDE 1990 1.15 E RAdeg 5.2 E DEdeg 7.7 Posflg
Corr 0.2
SAO
SAO 117559 DelFlag RA1950 PmRA1950 -0.0008
DE1950 PmDE1950 -0.074 Vmag 8.4 SpType F8
Double code Source 32 CatNum 5035 DM BD+07 2101
DMcomp BDsup HD 79955 M HD 0
GC RA1950rad 2.41934572 DE1950rad 0.13065909 PmRA2000 -0.0007
PmDE2000 -0.071
 
 
09171+0717 B
 
 
Coord arcsec 2000 091709.04+071444.1 Coord calc 091709.04+071444.1 Mag 8.03 Spectral class F8 (yellow-white)
PmRA -28.00 PmDE -35.0 SAO 117560 Tycho2 0233-00371-1
HD 79956 DM BD+07 2102 Calc delta mag 0.29
Tycho2
Tycho2 0233-00371-1 Pflag RAmdeg 139.28767207 DEmdeg 7.24559115
PmRA -30.1 PmDE -34.8 E RAmdeg 5 E DEmdeg 7
E pmRA 1.7 E pmDE 1.6 EpRAm 1991.48 EpDEm 1990.68
Num 10 Q RAmdeg 1.0 Q DEmdeg 1.3 Q pmRA 0.9
Q pmDE 1.3 BTmag 8.564 E BTmag 0.017 VTmag 8.026
E VTmag 0.012 Prox 999 TYC T HIP
CCDM RAdeg 139.28774194 DEdeg 7.24567639 EpRA 1990 1.69
EpDE 1990 1.13 E RAdeg 4.7 E DEdeg 6.7 Posflg
Corr 0.2
SAO
SAO 117560 DelFlag RA1950 PmRA1950 -0.0024
DE1950 PmDE1950 -0.039 Vmag 8.2 SpType F8
Double code Source 32 CatNum 5036 DM BD+07 2102
DMcomp BDsup HD 79956 M HD 0
GC RA1950rad 2.41944235 DE1950rad 0.13013512 PmRA2000 -0.0023
PmDE2000 -0.036
 
 
09171+0717 C
 
 
Coord arcsec 2000 091718.87+071447.2 Mag 13.03 PmRA 2.00 PmDE -1.0
Calc delta mag 4.71 Calc coord yes