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Current system
18256+0802
STT 348
V2291 Oph


Nearby doubles
6' : 18260+0803
SLE 175AB

6' : 18255+0756
J 2580AB

16' : 18267+0800
SLE 176

21' : 18249+0819
SLE 171

25' : 18265+0741
A 580

26' : 18254+0736
TDT 852

29' : 18276+0804
SLE 343AB

31' : 18273+0820
J 2911

33' : 18236+0814
SLE 166

35' : 18235+0748
SLE 340

38' : 18244+0835
TDT 841

40' : 18237+0829
ROE 100AB

41' : 18262+0841
GWP2775

41' : 18252+0720
LDS1011

43' : 18259+0844
TDT 861

44' : 18257+0846
TDT 859

46' : 18262+0847
LDS1012AB

49' : 18238+0842
SLE 168

50' : 18248+0714
STT 347

53' : 18229+0835
ROE 99AB

53' : 18234+0843
SLE 165

55' : 18266+0709
GWP2776

55' : 18254+0707
TDT 853

56' : 18281+0720
SLE 345

58' : 18265+0859
TDT 871

59' : 18222+0734
SLE 160



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.

18256+0802 STT 348 (V2291 Oph)

 
 
18h 25m 38.79s +08° 01' 55.2" P.A. -1.00 sep -1.0 mag 5.67, Sp G9II+B9IV dist. 241.55 pc (787.94 l.y.)
 
 
Coord 2000 18256+0802 Discov num STT 348 Comp Coord arcsec 2000 18 25 38.79 +08 01 55.2
Date first -1 Date last -1 Obs 0
Pa first -1 Pa last -1 P.A. Now (θ) -1
Sep first -1.0 Sep last -1 Sep. Now (ρ) -1
Mag pri 5.67 Mag sec delta mag (ΔM) Spectral class G9II+B9IV (yellow/blue-white)
Pri motion ra -004 Sec motion ra
Pri motion dec -007 Sec motion dec
Notes N X (See Notes, Dubious double)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name V2291 Oph Constellation Ophiuchus SAO 123462 HIP 90313
Tycho2 1023-02454-1 Gaia DR2 4478420918484111360 HD 169689 HR 6902
GC 25153 BD BD+07 3682 FK5 1478 Distance 241.55
Distance ly 787.94
 
 
WDS 18256+0802 STT 348 (V2291 Oph) : NOTES
 
 
discov_num notes refcode
STT 348 The zeta Aurigae-type binary V2291 Oph. Visual duplicity uncertain.
 
 
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
18256+0802 STT 348   0   5.67   G8III NX 182538.79+080155.2
18256+0802 STT 348   0   5.67   G8III NX 182538.79+080155.2
18256+0802 STT 348   0   5.67   G8III NX 182538.79+080155.2
18256+0802 STT 348   0   5.67   G8III NX 182538.79+080155.2
18256+0802 STT 348   0   5.67   G8III NX 182538.79+080155.2
18256+0802 STT 348   0   5.67   G8III NX 182538.79+080155.2
18256+0802 STT 348   0   5.67   G8III NX 182538.79+080155.2
18256+0802 STT 348   0   5.67   G8III NX 182538.79+080155.2
18256+0802 STT 348   0   5.67   G8III NX 182538.79+080155.2
18256+0802 STT 348   0   5.67   G8III NX 182538.79+080155.2
18256+0802 STT 348   0   5.67   G8III NX 182538.79+080155.2
18256+0802 STT 348   0   5.67   G8III NX 182538.79+080155.2
18256+0802 STT 348   0   5.67   G8III NX 182538.79+080155.2
18256+0802 STT 348   0   5.67   G8III NX 182538.79+080155.2
18256+0802 STT 348   0   5.67   G8III NX 182538.79+080155.2
18256+0802 STT 348   0   5.67   G8III NX 182538.79+080155.2
18256+0802 STT 348   0   5.67   G8III NX 182538.79+080155.2
18256+0802 STT 348   0   5.67   G8III NX 182538.79+080155.2
18256+0802 STT 348   0   5.67   G8III NX 182538.79+080155.2
18256+0802 STT 348   0   5.67   G8III NX 182538.79+080155.2
18256+0802 STT 348   0   5.67   G8III NX 182538.79+080155.2
18256+0802 STT 348   0   5.67   G8III NX 182538.79+080155.2
18256+0802 STT 348   0   5.67   G8III NX 182538.79+080155.2
18256+0802 STT 348   0   5.67   G8III NX 182538.79+080155.2
18256+0802 STT 348   0   5.67   G8III NX 182538.79+080155.2
18256+0802 STT 348 -1 0 -1 -1.0 5.67   G8III NX 182538.79+080155.2
18256+0802 STT 348 1865 0   5.67   G8III X 182538.79+080155.2

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

 
 
WDS 18256+0802 STT 348 (V2291 Oph) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18256+0802 STT 348 (V2291 Oph) : MEASURES
 
 
No records found.

 
 
WDS 18256+0802 (V2291 Oph) : VIRTUAL EYEPIECE
 
 

18256+0802 STT 348A mag 5.67 Sp G9II 18256+0802 STT 348B Sp B9IV 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 18256+0802 (V2291 Oph) : ALADIN DSS IMAGE @ 18h 25m 38.79s +08° 01' 55.2"
 
 
 
 
WDS 18256+0802 STT 348 (V2291 Oph) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18256+0802 STT 348 distance=1' 18260+0803 SLE 175AB distance=6' 18260+0803 SLE 175AC distance=6' 18255+0756 J 2580AB distance=6' 18255+0756 J 2580AC distance=6' 18267+0800 SLE 176 distance=16' 18249+0819 SLE 171 distance=21' 18265+0741 A 580 distance=25' 18254+0736 TDT 852 distance=26' 18276+0804 SLE 343AB distance=29' 18276+0804 SLE 343AC distance=29' 18276+0804 SLE 343AD distance=29' 18276+0804 SLE 343DE distance=30' 18273+0820 J 2911 distance=31' 18236+0814 SLE 166 distance=33' 18235+0748 SLE 340 distance=35' 18244+0835 TDT 841 distance=38' 18237+0829 ROE 100AB distance=40' 18237+0829 ROE 100BC distance=40' 18262+0841 GWP2775 distance=41' 18252+0720 LDS1011 distance=41' 18259+0844 TDT 861 distance=43' 18257+0846 TDT 859 distance=44' 18262+0847 LDS1012AB distance=46' 18262+0847 LLO 15AC distance=46' 18238+0842 SLE 168 distance=49' 18248+0714 STT 347 distance=50' 18229+0835 ROE 99AB distance=53' 18229+0835 ROE 99AC distance=53' 18234+0843 SLE 165 distance=53' 18266+0709 GWP2776 distance=55' 18254+0707 TDT 853 distance=55' 18281+0720 SLE 345 distance=56' 18265+0859 TDT 871 distance=58' 18222+0734 SLE 160 distance=59' 18281+0709 J 95AB distance=65' 18281+0709 J 95AC distance=65' 18281+0709 SLE 346AD distance=65' 18268+0659 SLE 342AB distance=66' 18268+0659 SLE 342AC distance=66' 18226+0852 SLE 163 distance=67' 18282+0705 TDS 924 distance=69' 18217+0725 J 3253AB distance=70' 18217+0725 DAM 109AC distance=70' 18298+0835 J 2914 distance=70' 18295+0722 A 582 distance=70' 18262+0653 J 1830 distance=70' 18246+0653 SLE 341 distance=71' 18252+0650 TDT 849 distance=72' 18278+0908 TDT 890 distance=74' 18260+0648 J 2516 distance=75' 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 18256+0802 STT 348 -1 -1.0 1
Show 18260+0803 SLE 175 AB 105 15.5 6
Show 18260+0803 SLE 175 AC 47 19.7 6
Show 18255+0756 J 2580 AB 348 6.5 6
Show 18255+0756 J 2580 AC 180 37.9 6
Show 18267+0800 SLE 176 164 13.6 16
Show 18249+0819 SLE 171 84 23.9 21
Show 18265+0741 A 580 322 4.6 25
Show 18254+0736 TDT 852 217 1.1 26
Show 18276+0804 SLE 343 AB 343 11.8 29
Show 18276+0804 SLE 343 AC 104 66.0 29
Show 18276+0804 SLE 343 AD 144 62.4 29
Show 18276+0804 SLE 343 DE 149 11.3 30
Show 18273+0820 J 2911 138 2.6 31
Show 18236+0814 SLE 166 304 8.9 33
Show 18235+0748 SLE 340 157 23.0 35
Show 18244+0835 TDT 841 116 0.5 38
Show 18237+0829 ROE 100 AB 21 27.4 40
Show 18237+0829 ROE 100 BC 345 5.6 40
Show 18262+0841 GWP2775 87 15.8 41
Show 18252+0720 LDS1011 101 100.7 41
Show 18259+0844 TDT 861 277 2.1 43
Show 18257+0846 TDT 859 285 0.5 44
Show 18262+0847 LDS1012 AB 163 608.5 46
Show 18262+0847 LLO 15 AC 221 10.2 46
Show 18238+0842 SLE 168 261 11.3 49
Show 18248+0714 STT 347 346 3.2 50
Show 18229+0835 ROE 99 AB 222 5.9 53
Show 18229+0835 ROE 99 AC 237 25.1 53
Show 18234+0843 SLE 165 177 12.4 53
Show 18266+0709 GWP2776 287 20.0 55
Show 18254+0707 TDT 853 70 0.4 55
Show 18281+0720 SLE 345 38 11.1 56
Show 18265+0859 TDT 871 214 0.6 58
Show 18222+0734 SLE 160 307 13.3 59
Show 18281+0709 J 95 AB 123 2.2 65
Show 18281+0709 J 95 AC 32 32.0 65
Show 18281+0709 SLE 346 AD 185 70.8 65
Show 18268+0659 SLE 342 AB 293 12.6 66
Show 18268+0659 SLE 342 AC 319 26.0 66
Show 18226+0852 SLE 163 322 21.3 67
Show 18282+0705 TDS 924 163 2.3 69
Show 18217+0725 J 3253 AB 2 4.1 70
Show 18217+0725 DAM 109 AC 213 3.2 70
Show 18298+0835 J 2914 176 5.0 70
Show 18295+0722 A 582 29 2.9 70
Show 18262+0653 J 1830 270 7.4 70
Show 18246+0653 SLE 341 98 23.7 71
Show 18252+0650 TDT 849 331 1.6 72
Show 18278+0908 TDT 890 1.4 74
Show 18260+0648 J 2516 159 1.7 75

 
 
WDS 18256+0802 : COMPONENTS
 
 
  A
B pa=0.0°
sep=0.00"
 
 
18256+0802 A
 
 
Componente originario normalizzato AB Name V2291 Oph Coord arcsec 2000 182538.79+080155.2 Mag 5.67
Spectral class G9II (yellow) PmRA -4.00 PmDE -7.0 SAO 123462
HIP 90313 Tycho2 1023-02454-1 HD 169689 HR 6902
GC 25153 BD BD+07 3682 FK5 1478
Tycho2
Tycho2 1023-02454-1 Pflag RAmdeg 276.41166232 DEmdeg 8.03200565
PmRA -4.5 PmDE -8.0 E RAmdeg 3 E DEmdeg 4
E pmRA 0.7 E pmDE 0.7 EpRAm 1991.52 EpDEm 1991.31
Num 23 Q RAmdeg 0.3 Q DEmdeg 0.8 Q pmRA 0.4
Q pmDE 0.9 BTmag 6.766 E BTmag 0.014 VTmag 5.763
E VTmag 0.009 Prox 999 TYC T HIP 90313
CCDM RAdeg 276.41167250 DEdeg 8.03202361 EpRA 1990 1.85
EpDE 1990 1.81 E RAdeg 3.3 E DEdeg 3.5 Posflg
Corr -0.3
SAO
SAO 123462 DelFlag RA1950 PmRA1950 -0.0003
DE1950 PmDE1950 -0.006 Vmag 5.7 SpType +++
Double code Source 74 CatNum 1478 DM BD+07 3682
DMcomp BDsup HD 169689 M HD 9
GC 25153 RA1950rad 4.81379136 DE1950rad 0.13966882 PmRA2000 -0.0001
PmDE2000 -0.007
Hipparcos
Catalog H HIP 90313 Proxy RAhms 18 25 38.80
DEdms +08 01 55.3 Vmag 5.64 VarFlag 1 R Vmag H
RAdeg 276.412 DEdeg 8.03202 AstroRef Plx 4.04
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 169689 BD BD+07 3682
CD CP Dm number +07 3682 VIred 0.9
SpType G8III-IV+.. R SpType Coord arcsec 2000 182538.80+080155.3
Hipparcos 2
HIP 90313 Sn 5 So 0 Nc 1
RArad 4.8242937775 DErad 0.1401852717 Plx 4.14 PmRA -4.07
PmDE -6.34 E RArad 0.3 E DErad 0.24 E Plx 0.41
E pmRA 0.38 E pmDE 0.31 Hpmag 5.7925 E Hpmag 0.0006
SHp 0.007 VA 1 BV 0.884 E BV 0.004
VI 0.89
 
 
18256+0802 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 182538.79+080155.2 Spectral class B9IV (blue-white) Calc delta mag 5.67
Calc coord yes