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Current system
17221-2044
SEE 326
HD 157091


Nearby doubles
10' : 17226-2049
DON 833

23' : 17228-2024
TDT 327

27' : 17210-2107
DON 832AB

41' : 17226-2004
B 2834

44' : 17190-2034
RSS 435

46' : 17200-2119
RST3086

47' : 17189-2029
ARA1124

48' : 17250-2022
DON 838

54' : 17200-1959
I 592

56' : 17200-2132
HU 750

56' : 17247-2126
HLD 134

57' : 17221-2138
LDS 594

60' : 17189-2005
ARA 713

60' : 17238-2138
HDS2456

63' : 17236-2143
HLD 133

68' : 17226-1937
MOC 12AB

71' : 17199-1941
A 2240

72' : 17264-2123
OCC1097

74' : 17257-2138
TDT 345

79' : 17267-2128
OCC9164

80' : 17233-1927
HDS2455

81' : 17268-1959
I 599

87' : 17159-2056
REP 47

88' : 17206-1920
A 2241AB

88' : 17178-1940
BHA 18

88' : 17283-2058
A 2244AB



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.

17221-2044 SEE 326 (HD 157091)

 
 
17h 22m 03.96s -20° 44' 29.2" P.A. 7.00 sep 0.9 mag 9.49,9.85 Sp B9.5IV/V
 
 
Coord 2000 17221-2044 Discov num SEE 326 Comp Coord arcsec 2000 17 22 03.96 -20 44 29.2
Date first 1897 Date last 2015 Obs 11
Pa first 14 Pa last 7.4 P.A. Now (θ) 7.4°
Sep first 0.6 Sep last 0.86 Sep. Now (ρ) 0.86"
Mag pri 9.49 Mag sec 9.85 delta mag (ΔM) 0.36 Spectral class B9.5IV/V (blue-white)
Pri motion ra -002 Sec motion ra -002
Pri motion dec +002 Sec motion dec +002
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 157091 Constellation Ophiuchus SAO 185323 Tycho2 6246-00184-1
Gaia DR2 4121160144371320192 HD 157091
 
 
WDS 17221-2044 SEE 326 (HD 157091) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
See1892 Ma - See, T.J.J. .
See1892 Beob. K. Sternw. Berlin, 6, 1, 1892
See1893 orb - See, T.J.J. 1893MNRAS..54..102S
See1893 MNRAS 54, 102, 1893
See1894 orb - See, T.J.J. 1894AN....138..373S
See1894 AN 138, 373, #3311, 1894
See1895a orb - See, T.J.J. 1895AJ.....15...33S
See1895a AJ 15, 33, 1895
See1895b orb - See, T.J.J. 1895AJ.....15...54S
See1895b AJ 15, 54, 1895
See1895c Ma - See, T.J.J. 1895AJ.....15...97S
See1895c AJ 15, 97, 1895
See1895d Ma - See, T.J.J. 1895AJ.....15..188S
See1895d AJ 15, 188, 1895
See1895f orb - See, T.J.J. 1895AN....138...25S
See1895f AN 138, 25, 1895
See1895g orb - See, T.J.J. 1895AJ.....16...18S
See1895g AJ 16, 18, 1895
See1896a Ma - See, T.J.J. 1896AN....142...43S
See1896a AN 142, 43, 1896
See1896b Ma j See, T.J.J. 1896AJ.....16..211S
See1896b AJ 16, 211, 1896
See1896c orb - See, T.J.J. 1896QB421.S5.......
See1896c Evolution of Stellar Systems, v1, 1896
See1896d Ma j See, T.J.J. 1896AJ.....17....1S
See1896d AJ 17, 1, 1896
See1897a Ma j See, T.J.J. 1897AJ.....17..180S
See1897a AJ 17, 180, 1897
See1897b Ma j See, T.J.J. 1897MNRAS..57..577S
See1897b +orb MNRAS 57, 577, 1897
See1897d - See, T.J.J. 1897AJ.....17...93S
See1897d AJ 17, 93, 1897
See1897e Ma j See, T.J.J. 1897AJ.....18...75S
See1897e AJ 18, 75, 1897
See1897f - See, T.J.J. 1897MNRAS..57..398S
See1897f MNRAS 57, 398, 1897 (data also in AN 146, 225, 1898) 1898AN....146..225S
See1897g - See, T.J.J. 1897MNRAS..58...15S
See1897g MNRAS 58, 15, 1897
See1897h - See, T.J.J. 1897AN....142...43S
See1897h AN 142, 43, #3387, 1897
See1897i Ma j See, T.J.J. 1897AN....143...59S
See1897i AN 143, 59, #3412, 1897
See1897j Ma j See, T.J.J. 1897AN....143..413S
See1897j AN 143, 413, #3432, 1897 (see also See1898b, See1898c) 1898AJ.....18..181S
See1897k orb - See, T.J.J. 1897AN....144..359S
See1897k AN 144, 359, #3455, 1897
See1897l Ma j See, T.J.J. 1897MNRAS..57..541S
See1897l MNRAS 57, 541, 1897 (some data also in See1898b, See1898c) 1898AJ.....18..181S
See1898a Ma - See, T.J.J. 1898AN....145..205S
See1898a AN 145, 205, 1898
See1898b Ma j See, T.J.J. 1898AJ.....18..181S
See1898b AJ 18, 181, 1898
See1898c Ma j See, T.J.J. 1898AN....146..225S
See1898c AN 146, 225, 1898
See1898d Ma - See, T.J.J. (measure by Boothroyd, S.L.) 1898AN....146..225S
See1898d AN 146, 225, 1898
See1898e Ma j See, T.J.J. 1898MNRAS..58..386S
See1898e MNRAS 58, 385, 1898
See1898f orb - See, T.J.J. 1898MNRAS..58..450S
See1898f MNRAS 58, 450, 1898
See1898g orb - See, T.J.J. 1898AJ.....19...57S
See1898g AJ 19, 57, 1898
See1900a - See, T.J.J. 1900AN....152...73S
See1900a AN 152, 73, #3629, 1900
See1900b orb - See, T.J.J. 1900AN....152...75S
See1900b AN 152, 75, #3629, 1900
See1900c Ma j See, T.J.J. 1900AN....152..179S
See1900c AN 152, 179, #3636, 1900
See1900d Ma j See, T.J.J. 1900AN....153...99S
See1900d AN 153, 99, #3654, 1900
See1900e Ma j See, T.J.J. 1900AN....152..329S
See1900e AN 152, 329, #3645, 1900
See1906A Ma - See, T.J.J. 1906MmRAS..56....1L
See1906A cited by Lewis (MemRAS 56, 1, 1906)
See1906B Ma - See, T.J.J. 1906QB821.B972.....
See1906B cited in BDS (Burnham Double Star Cat., 1906)
See1908a orb - See, T.J.J. 1908MNRAS..68..192S
See1908a MNRAS 68, 192, 1908
See1908b orb - See, T.J.J. 1908MNRAS..68..195S
See1908b MNRAS 68, 195, 1908
See1908c - See, T.J.J. 1908MNRAS..68..198S
See1908c MNRAS 68, 198, 1908
See1908d orb - See, T.J.J. 1908MNRAS..68..568S
See1908d MNRAS 68, 568, 1908
See1911 Ma j See, T.J.J. .
See1911 Pub. USNO 6, A117, 1911
See1927A Ma - See, T.J.J. 1927sdsc.book......
See1927A cited in SDS (Southern Double Star Cat.), 1927
See1932A Ma - See, T.J.J. 1932QB821.A43......
See1932A cited in ADS (Aitken Double Star Cat.), 1932
See9999 Ma - See, T.J.J. ...................
See9999 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
17221-2044 SEE 326 2000 10 8 0.8 9.49 9.85 B9.5IV/V 172203.96-204429.2
17221-2044 SEE 326 2015 11 7 0.9 9.49 9.85 B9.5IV/V 172203.96-204429.2

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

 
 
WDS 17221-2044 SEE 326 (HD 157091) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17221-2044 SEE 326 (HD 157091) : MEASURES
 
 
No records found.

 
 
WDS 17221-2044 (HD 157091) : VIRTUAL EYEPIECE
 
 

17221-2044 SEE 326A mag 9.49 Sp B9.5IV/V 17221-2044 SEE 326B sep 0.9 P.A. 6.90 mag 9.85 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 17221-2044 (HD 157091) : ALADIN DSS IMAGE @ 17h 22m 03.96s -20° 44' 29.2"
 
 
 
 
WDS 17221-2044 SEE 326 (HD 157091) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17221-2044 SEE 326 distance=0' 17226-2049 DON 833 distance=10' 17228-2024 TDT 327 distance=23' 17210-2107 DON 832AB distance=27' 17210-2107 TNN 8AC distance=27' 17226-2004 B 2834 distance=41' 17190-2034 RSS 435 distance=44' 17200-2119 RST3086 distance=46' 17189-2029 ARA1124 distance=47' 17250-2022 DON 838 distance=48' 17200-1959 I 592 distance=54' 17200-2132 HU 750 distance=56' 17247-2126 HLD 134 distance=56' 17221-2138 LDS 594 distance=57' 17189-2005 ARA 713 distance=60' 17238-2138 HDS2456 distance=60' 17236-2143 HLD 133 distance=63' 17226-1937 MOC 12AB distance=68' 17226-1937 MOC 12AC distance=68' 17226-1937 MOC 12AD distance=68' 17199-1941 A 2240 distance=71' 17264-2123 OCC1097 distance=72' 17257-2138 TDT 345 distance=74' 17267-2128 OCC9164 distance=79' 17233-1927 HDS2455 distance=80' 17268-1959 I 599 distance=81' 17159-2056 REP 47 distance=87' 17206-1920 A 2241AB distance=88' 17206-1920 OCC 529Aa,Ab distance=88' 17178-1940 BHA 18 distance=88' 17283-2058 A 2244AB distance=88' 17283-2058 OCC1098Aa,Ab distance=88' 17262-1930 GWP2712 distance=95' 17264-1931 HJ 4953 distance=96' 17245-2217 RST3094 distance=99' 17188-1915 I 591 distance=101' 17258-1918 RST5542AB distance=102' 17258-1918 HLD 135AB,C distance=102' 17293-2115 OCC 410 distance=106' 17151-1951 B 336AB distance=113' 17151-1951 B 336BC distance=113' 17200-2234 RST3087 distance=114' 17165-1920 BU 958 distance=116' 17219-1846 SLE 14 distance=119' 17152-2154 KPP4030 distance=119' 17303-2119 OCC1099 distance=120' 17151-2156 HU 749 distance=121' 17194-1849 SLE 12 distance=122' 17150-1933 OCC 520 distance=123' 17133-2058 ARA1123 distance=124' 17203-1842 RST3089 distance=125' 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 17221-2044 SEE 326 7 0.9
Show 17226-2049 DON 833 257 7.8 10
Show 17228-2024 TDT 327 83 0.6 23
Show 17210-2107 DON 832 AB 26 4.1 27
Show 17210-2107 TNN 8 AC 261 10.8 27
Show 17226-2004 B 2834 354 6.5 41
Show 17190-2034 RSS 435 303 19.8 44
Show 17200-2119 RST3086 265 2.6 46
Show 17189-2029 ARA1124 73 6.6 47
Show 17250-2022 DON 838 340 0.4 48
Show 17200-1959 I 592 270 14.7 54
Show 17200-2132 HU 750 112 1.9 56
Show 17247-2126 HLD 134 140 4.5 56
Show 17221-2138 LDS 594 99 4.8 57
Show 17189-2005 ARA 713 300 7.1 60
Show 17238-2138 HDS2456 205 0.1 60
Show 17236-2143 HLD 133 171 0.9 63
Show 17226-1937 MOC 12 AB 14 2.8 68
Show 17226-1937 MOC 12 AC 241 4.3 68
Show 17226-1937 MOC 12 AD 177 5.0 68
Show 17199-1941 A 2240 203 1.6 71
Show 17264-2123 OCC1097 -1 0.0 72
Show 17257-2138 TDT 345 303 1.7 74
Show 17267-2128 OCC9164 -1 0.1 79
Show 17233-1927 HDS2455 314 0.4 80
Show 17268-1959 I 599 133 2.2 81
Show 17159-2056 REP 47 66 4.4 87
Show 17206-1920 A 2241 AB 70 5.3 88
Show 17206-1920 OCC 529 Aa,Ab -1 1.3 88
Show 17178-1940 BHA 18 40 6.0 88
Show 17283-2058 A 2244 AB 51 0.1 88
Show 17283-2058 OCC1098 Aa,Ab -1 0.1 88
Show 17262-1930 GWP2712 70 11.9 95
Show 17264-1931 HJ 4953 174 18.4 96
Show 17245-2217 RST3094 16 1.0 99
Show 17188-1915 I 591 36 1.1 101
Show 17258-1918 RST5542 AB 289 0.1 102
Show 17258-1918 HLD 135 AB,C 89 2.6 102
Show 17293-2115 OCC 410 -1 0.1 106
Show 17151-1951 B 336 AB 230 9.7 113
Show 17151-1951 B 336 BC 163 3.7 113
Show 17200-2234 RST3087 29 1.0 114
Show 17165-1920 BU 958 210 1.9 116
Show 17219-1846 SLE 14 290 16.3 119
Show 17152-2154 KPP4030 289 3.1 119
Show 17303-2119 OCC1099 -1 0.0 120
Show 17151-2156 HU 749 151 1.9 121
Show 17194-1849 SLE 12 203 24.2 122
Show 17150-1933 OCC 520 -1 0.0 123
Show 17133-2058 ARA1123 119 13.3 124
Show 17203-1842 RST3089 159 0.6 125

 
 
WDS 17221-2044 : COMPONENTS
 
 
  A
B pa=6.9°
sep=0.86"
 
 
17221-2044 A
 
 
Componente originario normalizzato AB Name HD 157091 Coord arcsec 2000 172203.96-204429.2 Mag 9.49
Spectral class B9.5IV/V (blue-white) PmRA -2.00 PmDE 2.0 SAO 185323
Tycho2 6246-00184-1 HD 157091 DM BD-20 4744
Tycho2
Tycho2 6246-00184-1 Pflag RAmdeg 260.51648971 DEmdeg -20.74140825
PmRA -2.2 PmDE 2.4 E RAmdeg 10 E DEmdeg 14
E pmRA 2.2 E pmDE 2.2 EpRAm 1991.44 EpDEm 1990.74
Num 4 Q RAmdeg 0.2 Q DEmdeg 0.7 Q pmRA 0.2
Q pmDE 0.7 BTmag 9.449 E BTmag 0.021 VTmag 9.148
E VTmag 0.020 Prox 999 TYC T HIP
CCDM RAdeg 260.51649528 DEdeg -20.74141417 EpRA 1990 1.74
EpDE 1990 1.33 E RAdeg 9.9 E DEdeg 13.5 Posflg P
Corr 0.1
SAO
SAO 185323 DelFlag RA1950 PmRA1950 -0.0005
DE1950 PmDE1950 -0.006 Vmag 8.6 SpType A0
Double code Source 23 CatNum 7107 DM BD-20 4744
DMcomp BDsup HD 157091 M HD 0
GC RA1950rad 4.5338776 DE1950rad -0.36117364 PmRA2000 -0.0005
PmDE2000 -0.004
CCDM
Ccdm 17221-2044 RComp Comp A Note1
Note2 Discov num DRAs -2.05 DDEs -29.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.6 Sp A0 PmNote *
PmRA -7 PmDE -6 Dm number -20 4744 Cat1 BD
Name2 185323 Cat2 SAO HD 157091 M HD
ADS BDS A10493 M ADS BDS N IDS IDS 17161S2039A
HIC
 
 
17221-2044 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 172203.97-204428.3 Mag 9.85 PmRA -2.00
PmDE 2.0 Calc delta mag 0.36 Calc coord yes
CCDM
Ccdm 17221-2044 RComp Comp B Note1
Note2 Discov num SEE 326 DRAs DDEs
R dRAs Year 1944 Theta 009 Rho 0.7
Obs 6 Vmag 9.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10493 M ADS BDS N IDS IDS 17161S2039B
HIC