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Doubles in session


Current system
17070-2705
I 1310
HD 154521


Nearby doubles
27' : 17086-2650
SEE 319AB

34' : 17061-2635
EVS 29

43' : 17101-2715
LEI 29

59' : 17102-2746
I 246

63' : 17111-2723
REP 45AB

63' : 17095-2612
SKF2521AB

66' : 17111-2724
REP 46AB

66' : 17116-2642
BU 956AB

66' : 17021-2718
LDS 580

68' : 17052-2602
BRT3040

70' : 17122-2703
BU 125AB

70' : 17115-2631
RST1939

70' : 17022-2732
B 2402

70' : 17122-2659
TDT 262

72' : 17076-2555
OCC9048

76' : 17118-2626
HDS2429

80' : 17014-2639
HDS2410

86' : 17052-2543
BRT3041

86' : 17100-2549
OCC9049

87' : 17007-2725
CVN 100AB

88' : 17005-2702
RST1924

90' : 17078-2835
HJ 4919AB

97' : 17046-2534
CVN 101AB

98' : 17022-2820
TDT 186

99' : 17013-2808
B 326AB

107' : 17112-2536
DBR 287



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.

17070-2705 I 1310 (HD 154521)

 
 
17h 07m 00.32s -27° 05' 29.7" P.A. 160.00 sep 1.9 mag 9.97,10.16 Sp F5V
 
 
Coord 2000 17070-2705 Discov num I  1310 Comp Coord arcsec 2000 17 07 00.32 -27 05 29.7
Date first 1925 Date last 2016 Obs 12
Pa first 158 Pa last 159.8 P.A. Now (θ) 159.8°
Sep first 1.6 Sep last 1.898 Sep. Now (ρ) 1.898"
Mag pri 9.97 Mag sec 10.16 delta mag (ΔM) 0.19 Spectral class F5V (yellow-white)
Pri motion ra +022 Sec motion ra +022
Pri motion dec -026 Sec motion dec -026
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 154521 Constellation Ophiuchus SAO 185035 Tycho2 6819-01211-1
Gaia DR2 4108799022356105984 HD 154521 ADS 10339
 
 
WDS 17070-2705 I 1310 (HD 154521) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
I__1895 Ma - Innes, R.T.A. 1895MNRAS..55..312I
I__1895 +Mb MNRAS 55, 312,544, 1895
I__1896 Mb - Innes, R.T.A. 1896JBAA....6..261I
I__1896 J. British Astron. Assoc. 6, 261, 1896
I__1897a Ma - Innes, R.T.A. 1897MNRAS..57..533I
I__1897a MNRAS 57, 533, 1897 (data also in I__1897b, 1897AN....143..171I
I__1897a I__1897c) 1897AN....144...89I
I__1897b Ma - Innes, R.T.A. 1897AN....143..171I
I__1897b AN 143, 171, 1897
I__1897c Ma - Innes, R.T.A. 1897AN....144...89I
I__1897c AN 144, 89, 1897
I__1897d Ma - Innes, R.T.A. 1897AN....145...93I
I__1897d AN 145, 93, 1897
I__1897e Ma - Innes, R.T.A. 1897MNRAS..57..456I
I__1897e +Mb MNRAS 57, 456, 1897
I__1897f Ma - Innes, R.T.A. 1897MNRAS..58...48I
I__1897f MNRAS 58, 48, 1897
I__1897g Ma - Innes, R.T.A. 1897AJ.....18...65I
I__1897g AJ 18, 65, 1897
I__1898 Ma - Innes, R.T.A. 1898AN....146..369I
I__1898 AN 146, 369, 1898
I__1899 Ma - Innes, R.T.A. 1899QB4.C22v2......
I__1899 Ann. Cape Obs. 2, Pt.2, 1899 (Innes Reference Catalog)
I__1901 Ma - Innes, R.T.A. 1901MNRAS..61..575.
I__1901 MNRAS 61, 575, 1901 (data also in I__1905) 1905AnCap...2....4I
I__1902a Ma - Innes, R.T.A. 1902MNRAS..62..470I
I__1902a MNRAS 62, 470, 1902 (data also in I__1905) 1905AnCap...2....4I
I__1902b Ma - Innes, R.T.A. 1902MNRAS..63...76I
I__1902b MNRAS 63, 76, 1902 (some data also in I__1905) 1905AnCap...2....4I
I__1903 - Innes, R.T.A. 1903MNRAS..64..130I
I__1903 MNRAS 64, 130, 1903 (data also in I__1905) 1905AnCap...2....4I
I__1903b Ma - Innes, R.T.A. 1903Obs....26..285I
I__1903b Obs 26, 285, 1903 (some data also in I__1905) 1905AnCap...2....4I
I__1905 Ma - Innes, R.T.A. 1905AnCap...2....4I
I__1905 Ann. Cape Obs. 2, Pt.4, 1905
I__1907 Ma - Innes, R.T.A. 1907Obs....30...61I
I__1907 Obs 30, 61, 1907
I__1908 - Innes, R.T.A. 1908Obs....31..289I
I__1908 Obs 31, 289, 1908 (measures also in I__1909)
I__1909 Ma - Innes, R.T.A. .
I__1909 Transvaal Obs. Circ. 1, 1, 1909
I__1910 Ma - Innes, R.T.A. .
I__1910 Transvaal Obs. Circ. 1, 21, 1910
I__1911 Ma - Innes, R.T.A. .
I__1911 Transvaal Obs. Circ. 1, 61, 1911
I__1912 Ma - Innes, R.T.A. .
I__1912 Transvaal Obs. Circ. 1, 111, 1912
I__1913a Ma - Innes, R.T.A. 1913CiUO....4...31.
I__1913a Union Obs. Johannesburg Circ. 4, 31, 1913
I__1913b Ma - Innes, R.T.A. (measure by Simpkins, R.P.) 1913CiUO....4...31.
I__1913b Union Obs. Johannesburg Circ. 4, 31, 1913
I__1914 Ma - Innes, R.T.A. 1914CiUO...14...97.
I__1914 Union Obs. Johannesburg Circ. 14, 97, 1914
I__1915a Ma - Innes, R.T.A. 1915CiUO...24..185.
I__1915a Union Obs. Johannesburg Circ. 24, 185, 1915
I__1915b Ma - Innes, R.T.A. (measure by Cox, G.W.) 1915CiUO...24..185.
I__1915b Union Obs. Johannesburg Circ. 24, 185, 1915
I__1915c Ma - Innes, R.T.A. (measure by Johnson, E.L.) 1915CiUO...24..185.
I__1915c Union Obs. Johannesburg Circ. 24, 185, 1915
I__1915d Ma - Innes, R.T.A. (measure by Simpkins, R.P.) 1915CiUO...24..185.
I__1915d Union Obs. Johannesburg Circ. 24, 185, 1915
I__1915e - Innes, R.T.A. 1915Obs....38..221I
I__1915e Obs 38, 221, 1915 (measures also in I__1916) 1916CiUO...33..249I
I__1915f - Innes, R.T.A. 1915Obs....38..333I
I__1915f Obs 38, 333, 1915 (measures also in I__1915) 1915CiUO...24..185I
I__1916a Ma - Innes, R.T.A. 1916CiUO...33..249I
I__1916a Union Obs. Johannesburg Circ. 33, 249, 1916
I__1916b Ma - Innes, R.T.A. (measure by Simpkins, R.P.) 1916CiUO...33..249I
I__1916b Union Obs. Johannesburg Circ. 33, 249, 1916
I__1916c Ma - Innes, R.T.A. (measure by van der Spuy, K.) 1916CiUO...33..249I
I__1916c Union Obs. Johannesburg Circ. 33, 249, 1916
I__1917a Ma - Innes, R.T.A. 1917CiUO...37..285I
I__1917a Union Obs. Johannesburg Circ. 37, 285, 1917
I__1917b Ma - Innes, R.T.A. (measure by Johnson, E.L.) 1917CiUO...37..285I
I__1917b Union Obs. Johannesburg Circ. 37, 285, 1917
I__1917c Ma - Innes, R.T.A. (measure by van der Spuy, K.) 1917CiUO...37..285I
I__1917c Union Obs. Johannesburg Circ. 37, 285, 1917
I__1917d Ma - Innes, R.T.A. (measure by Worssell, W.M.) 1917CiUO...37..285I
I__1917d Union Obs. Johannesburg Circ. 37, 285, 1917
I__1918 Ma - Innes, R.T.A. 1918CiUO...41..339I
I__1918 Union Obs. Johannesburg Circ. 41, 339, 1918
I__1927a Ma - Innes, R.T.A. 1927sdsc.book.....I
I__1927a +Po Southern Double Star Cat. 1927
I__1927b Ma - Innes, R.T.A. & van den Bos, W.H. 1927sdsc.book.....I
I__1927b Southern Double Star Cat. 1927
I__1932A Ma - Innes, R.T.A. 1932QB821.A43......
I__1932A cited in ADS (Aitken Double Star Cat.), 1932
I__1948a Ma - Innes, R.T.A. 1948CiUO..106..193I
I__1948a +Po Union Obs. Johannesburg Circ. 106, 193, 1948
I__1948b Ma - Innes, R.T.A. (measure by Simpkins, R.P.) 1948CiUO..106..193I
I__1948b Union Obs. Johannesburg Circ. 106, 193, 1948
I__9999 Ma - Innes, R.T.A. ...................
I__9999 +Mb Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17070-2705 I 1310 1991 9 160 1.9 9.97 10.16 F5V 170700.32-270529.7
17070-2705 I 1310 2016 10 160 1.9 9.97 10.16 F5V 170700.32-270529.7

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

 
 
WDS 17070-2705 I 1310 (HD 154521) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17070-2705 I 1310 (HD 154521) : MEASURES
 
 
No records found.

 
 
WDS 17070-2705 (HD 154521) : VIRTUAL EYEPIECE
 
 

17070-2705 I 1310A mag 9.97 Sp F5V 17070-2705 I 1310B sep 1.9 P.A. 161.90 mag 10.16 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 17070-2705 (HD 154521) : ALADIN DSS IMAGE @ 17h 07m 00.32s -27° 05' 29.7"
 
 
 
 
WDS 17070-2705 I 1310 (HD 154521) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17070-2705 I 1310 distance=0' 17086-2650 SEE 319AB distance=27' 17086-2650 SEE 319Aa,Ab distance=27' 17061-2635 EVS 29 distance=34' 17101-2715 LEI 29 distance=43' 17102-2746 I 246 distance=59' 17113-2725 COR 10Aa,Ab distance=61' 17113-2725 CHN 26AC distance=61' 17113-2725 COR 10Aa,B distance=61' 17111-2723 KRS 8Aa,Ab distance=63' 17111-2723 REP 45AB distance=63' 17111-2723 REP 45CD distance=63' 17095-2612 SKF2521AB distance=63' 17095-2612 SKF2521Aa,Ab distance=63' 17111-2724 KRS 9Aa,Ab distance=66' 17111-2724 REP 46AB distance=66' 17116-2642 BU 956AB distance=66' 17116-2642 BU 956AC distance=66' 17021-2718 LDS 580 distance=66' 17052-2602 BRT3040 distance=68' 17122-2703 BU 125AB distance=70' 17122-2703 BU 125AC distance=70' 17115-2631 RST1939 distance=70' 17022-2732 B 2402 distance=70' 17122-2659 TDT 262 distance=70' 17076-2555 OCC9048 distance=72' 17118-2626 HDS2429 distance=76' 17014-2639 HDS2410 distance=80' 17052-2543 BRT3041 distance=86' 17100-2549 OCC9049 distance=86' 17007-2725 CVN 100AB distance=87' 17007-2725 CVN 100AC distance=87' 17007-2725 CVN 100AD distance=87' 17005-2702 RST1924 distance=88' 17078-2835 DAW 214BC distance=90' 17078-2835 HJ 4919AB distance=90' 17078-2835 ABH 88AD distance=90' 17078-2835 ABH 88AE distance=90' 17078-2835 ABH 88AF distance=90' 17046-2534 CVN 101AB distance=97' 17046-2534 CVN 101AC distance=97' 17046-2534 CVN 101AD distance=97' 17046-2534 CVN 101AE distance=97' 17046-2534 CVN 101AF distance=97' 17046-2534 CVN 101AG distance=97' 17046-2534 CVN 101AH distance=97' 17046-2534 CVN 101AI distance=97' 17046-2534 CVN 101AJ distance=97' 17046-2534 CVN 101AK distance=97' 17046-2534 CVN 101AL distance=97' 17022-2820 TDT 186 distance=98' 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 17070-2705 I 1310 160 1.9
Show 17086-2650 SEE 319 AB 211 7.6 27
Show 17086-2650 SEE 319 Aa,Ab 326 0.0 27
Show 17061-2635 EVS 29 244 19.0 34
Show 17101-2715 LEI 29 257 1.5 43
Show 17102-2746 I 246 47 1.4 59
Show 17113-2725 COR 10 Aa,Ab 257 0.2 61
Show 17113-2725 CHN 26 AC 330 5.1 61
Show 17113-2725 COR 10 Aa,B 328 1.1 61
Show 17111-2723 KRS 8 Aa,Ab 219 0.1 63
Show 17111-2723 REP 45 AB 109 3.4 63
Show 17111-2723 REP 45 CD 330 5.1 63
Show 17095-2612 SKF2521 AB 45 7.4 63
Show 17095-2612 SKF2521 Aa,Ab 160 0.1 63
Show 17111-2724 KRS 9 Aa,Ab 114 0.0 66
Show 17111-2724 REP 46 AB 209 3.1 66
Show 17116-2642 BU 956 AB 170 0.9 66
Show 17116-2642 BU 956 AC 146 66.3 66
Show 17021-2718 LDS 580 199 14.5 66
Show 17052-2602 BRT3040 218 4.9 68
Show 17122-2703 BU 125 AB 66 1.8 70
Show 17122-2703 BU 125 AC 82 82.3 70
Show 17115-2631 RST1939 72 0.7 70
Show 17022-2732 B 2402 58 8.8 70
Show 17122-2659 TDT 262 247 0.7 70
Show 17076-2555 OCC9048 -1 0.0 72
Show 17118-2626 HDS2429 4 0.2 76
Show 17014-2639 HDS2410 7 0.2 80
Show 17052-2543 BRT3041 5 4.4 86
Show 17100-2549 OCC9049 -1 0.0 86
Show 17007-2725 CVN 100 AB 303 3.4 87
Show 17007-2725 CVN 100 AC 291 5.8 87
Show 17007-2725 CVN 100 AD 48 9.5 87
Show 17005-2702 RST1924 180 0.5 88
Show 17078-2835 DAW 214 BC 176 10.0 90
Show 17078-2835 HJ 4919 AB 264 22.4 90
Show 17078-2835 ABH 88 AD 38 81.0 90
Show 17078-2835 ABH 88 AE 304 95.7 90
Show 17078-2835 ABH 88 AF 128 30.2 90
Show 17046-2534 CVN 101 AB 230 2.1 97
Show 17046-2534 CVN 101 AC 333 2.2 97
Show 17046-2534 CVN 101 AD 281 2.7 97
Show 17046-2534 CVN 101 AE 13 2.8 97
Show 17046-2534 CVN 101 AF 171 3.8 97
Show 17046-2534 CVN 101 AG 37 4.0 97
Show 17046-2534 CVN 101 AH 164 4.9 97
Show 17046-2534 CVN 101 AI 286 6.0 97
Show 17046-2534 CVN 101 AJ 23 6.6 97
Show 17046-2534 CVN 101 AK 306 8.4 97
Show 17046-2534 CVN 101 AL 125 9.1 97
Show 17022-2820 TDT 186 164 0.6 98

 
 
WDS 17070-2705 : COMPONENTS
 
 
  A
B pa=161.9°
sep=1.87"
 
 
17070-2705 A
 
 
Componente originario normalizzato AB Name HD 154521 Coord arcsec 2000 170700.32-270529.7 Mag 9.97
Spectral class F5V (yellow-white) PmRA 22.00 PmDE -26.0 SAO 185035
Tycho2 6819-01211-1 HD 154521 ADS 10339 DM CD-2611900
Tycho2
Tycho2 6819-01211-1 Pflag P RAmdeg 256.75132718 DEmdeg -27.09158331
PmRA 21.6 PmDE -26.3 E RAmdeg 19 E DEmdeg 26
E pmRA 2.6 E pmDE 2.5 EpRAm 1990.91 EpDEm 1989.35
Num 5 Q RAmdeg 0.9 Q DEmdeg 0.9 Q pmRA 1.0
Q pmDE 0.8 BTmag 10.587 E BTmag 0.041 VTmag 9.969
E VTmag 0.033 Prox 19 TYC T HIP
CCDM RAdeg 256.75117722 DEdeg -27.09129611 EpRA 1990 1.78
EpDE 1990 1.22 E RAdeg 18.8 E DEdeg 27.3 Posflg D
Corr 0.0
SAO
SAO 185035 DelFlag RA1950 PmRA1950 0.0021
DE1950 PmDE1950 -0.03 Vmag 9.2 SpType F5
Double code Source 25 CatNum 11824 DM CD-2611900
DMcomp BDsup HD 154521 M HD 0
GC RA1950rad 4.4675554 DE1950rad -0.47168571 PmRA2000 0.002
PmDE2000 -0.028
CCDM
Ccdm 17070-2705 RComp Comp A Note1
Note2 Discov num DRAs 0.33 DDEs -30.2
R dRAs 41 Year Theta Rho
Obs 2 Vmag 9.7 Sp F5 PmNote *
PmRA 28 PmDE -30 Dm number -2611900 Cat1 CD
Name2 185035 Cat2 SAO HD 154521 M HD
ADS BDS A10339 M ADS BDS N IDS IDS 17008S2657A
HIC
 
 
17070-2705 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 170700.36-270531.5 Mag 10.16 PmRA 22.00
PmDE -26.0 Tycho2 6819-01211-2 Calc delta mag 0.19 Calc coord yes
Tycho2
Tycho2 6819-01211-2 Pflag P RAmdeg 256.75132718 DEmdeg -27.09158331
PmRA 21.6 PmDE -26.3 E RAmdeg 19 E DEmdeg 26
E pmRA 2.6 E pmDE 2.5 EpRAm 1990.91 EpDEm 1989.35
Num 5 Q RAmdeg 0.9 Q DEmdeg 0.9 Q pmRA 1.0
Q pmDE 0.8 BTmag 10.678 E BTmag 0.044 VTmag 10.158
E VTmag 0.040 Prox 19 TYC T HIP
CCDM RAdeg 256.75138167 DEdeg -27.09178111 EpRA 1990 1.78
EpDE 1990 1.22 E RAdeg 22.0 E DEdeg 31.9 Posflg D
Corr 0.0
CCDM
Ccdm 17070-2705 RComp Comp B Note1
Note2 Discov num I 1310 DRAs DDEs
R dRAs Year 1925 Theta 160 Rho 1.7
Obs 5 Vmag 9.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10339 M ADS BDS N IDS IDS 17008S2657B
HIC