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Doubles in session


Current system
17233-1927
HDS 2455
HD 157301


Nearby doubles
15' : 17226-1937
MOC 12AB

38' : 17258-1918
RST5542AB

39' : 17226-2004
B 2834

39' : 17206-1920
A 2241AB

42' : 17262-1930
GWP2712

45' : 17264-1931
HJ 4953

46' : 17219-1846
SLE 14

50' : 17224-1839
ARA 442

51' : 17199-1941
A 2240

56' : 17200-1959
I 592

58' : 17228-2024
TDT 327

60' : 17268-1959
I 599

61' : 17250-2022
DON 838

62' : 17203-1842
RST3089

64' : 17188-1915
I 591

67' : 17194-1849
SLE 12

73' : 17226-1815
ARA 443

73' : 17189-2005
ARA 713

75' : 17214-1817
ARA 441

78' : 17178-1940
BHA 18

80' : 17221-2044
SEE 326

80' : 17232-1807
A 2242

83' : 17226-2049
DON 833

86' : 17282-1836
RST3102

88' : 17189-2029
ARA1124

89' : 17234-1758
OCC 14



Selections
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

17233-1927 HDS 2455 (HD 157301)

 
 
17h 23m 16.16s -19° 26' 55.4" P.A. 314.00 sep 0.4 mag 8.20,10.64 Sp A2III dist. 183.49 pc (598.54 l.y.)
 
 
Coord 2000 17233-1927 Discov num HDS2455 Comp Coord arcsec 2000 17 23 16.16 -19 26 55.4
Date first 1991 Date last 2021 Obs 2
Pa first 325 Pa last 314.1 P.A. Now (θ) 314.1°
Sep first 0.5 Sep last 0.378 Sep. Now (ρ) 0.378"
Mag pri 8.20 Mag sec 10.64 delta mag (ΔM) 2.44 Spectral class A2III (white)
Pri motion ra -001 Sec motion ra
Pri motion dec +003 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 157301 Constellation Ophiuchus SAO 160511 HIP 85080
Tycho2 6242-00123-1 Gaia DR2 4122142729788497920 HD 157301 GC 23495
BD BD-19 4617 Distance 183.49 Distance ly 598.54
 
 
WDS 17233-1927 HDS 2455 (HD 157301) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HDS Hipparcos Double Star (from additional DD list) ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17233-1927 HDS2455 1991 1 325 0.5 8.21 10.94 A2III D 172316.16-192655.4
17233-1927 HDS2455 2021 2 314 0.4 8.20 10.64 A2III 172316.16-192655.4

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

 
 
WDS 17233-1927 HDS 2455 (HD 157301) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17233-1927 HDS 2455 (HD 157301) : MEASURES
 
 
No records found.

 
 
WDS 17233-1927 (HD 157301) : VIRTUAL EYEPIECE
 
 

17233-1927 HDS2455A mag 8.2 Sp A2III 17233-1927 HDS2455B sep 0.4 P.A. 315.80 mag 10.64 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 17233-1927 (HD 157301) : ALADIN DSS IMAGE @ 17h 23m 16.16s -19° 26' 55.4"
 
 
 
 
WDS 17233-1927 HDS 2455 (HD 157301) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17233-1927 HDS2455 distance=0' 17226-1937 MOC 12AB distance=15' 17226-1937 MOC 12AC distance=15' 17226-1937 MOC 12AD distance=15' 17258-1918 RST5542AB distance=38' 17258-1918 HLD 135AB,C distance=38' 17226-2004 B 2834 distance=39' 17206-1920 A 2241AB distance=39' 17206-1920 OCC 529Aa,Ab distance=39' 17262-1930 GWP2712 distance=42' 17264-1931 HJ 4953 distance=45' 17219-1846 SLE 14 distance=46' 17224-1839 ARA 442 distance=50' 17199-1941 A 2240 distance=51' 17200-1959 I 592 distance=56' 17228-2024 TDT 327 distance=58' 17268-1959 I 599 distance=60' 17250-2022 DON 838 distance=61' 17203-1842 RST3089 distance=62' 17188-1915 I 591 distance=64' 17194-1849 SLE 12 distance=67' 17226-1815 ARA 443 distance=73' 17189-2005 ARA 713 distance=73' 17214-1817 ARA 441 distance=75' 17178-1940 BHA 18 distance=78' 17221-2044 SEE 326 distance=80' 17232-1807 A 2242 distance=80' 17226-2049 DON 833 distance=83' 17282-1836 RST3102 distance=86' 17189-2029 ARA1124 distance=88' 17234-1758 OCC 14 distance=89' 17212-1802 ARA 249 distance=90' 17190-2034 RSS 435 distance=90' 17265-1807 ARA 444 distance=93' 17165-1920 BU 958 distance=97' 17246-1749 GWP2708 distance=100' 17306-1933 HU 1180 distance=105' 17210-2107 DON 832AB distance=105' 17210-2107 TNN 8AC distance=105' 17307-1907 ARA 714AB distance=107' 17199-1745 BU 126AB distance=113' 17199-1745 BU 126AC distance=113' 17283-2058 A 2244AB distance=115' 17283-2058 OCC1098Aa,Ab distance=115' 17150-1933 OCC 520 distance=117' 17151-1951 B 336AB distance=119' 17151-1951 B 336BC distance=119' 17265-1735 HU 171AB distance=121' 17265-1735 HU 171AC distance=121' 17247-2126 HLD 134 distance=122' 17200-2119 RST3086 distance=122' 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 17233-1927 HDS2455 314 0.4
Show 17226-1937 MOC 12 AB 14 2.8 15
Show 17226-1937 MOC 12 AC 241 4.3 15
Show 17226-1937 MOC 12 AD 177 5.0 15
Show 17258-1918 RST5542 AB 289 0.1 38
Show 17258-1918 HLD 135 AB,C 89 2.6 38
Show 17226-2004 B 2834 354 6.5 39
Show 17206-1920 A 2241 AB 70 5.3 39
Show 17206-1920 OCC 529 Aa,Ab -1 1.3 39
Show 17262-1930 GWP2712 70 11.9 42
Show 17264-1931 HJ 4953 174 18.4 45
Show 17219-1846 SLE 14 290 16.3 46
Show 17224-1839 ARA 442 307 6.2 50
Show 17199-1941 A 2240 203 1.6 51
Show 17200-1959 I 592 270 14.7 56
Show 17228-2024 TDT 327 83 0.6 58
Show 17268-1959 I 599 133 2.2 60
Show 17250-2022 DON 838 340 0.4 61
Show 17203-1842 RST3089 159 0.6 62
Show 17188-1915 I 591 36 1.1 64
Show 17194-1849 SLE 12 203 24.2 67
Show 17226-1815 ARA 443 332 14.0 73
Show 17189-2005 ARA 713 300 7.1 73
Show 17214-1817 ARA 441 234 6.6 75
Show 17178-1940 BHA 18 40 6.0 78
Show 17221-2044 SEE 326 7 0.9 80
Show 17232-1807 A 2242 291 3.1 80
Show 17226-2049 DON 833 257 7.8 83
Show 17282-1836 RST3102 74 0.8 86
Show 17189-2029 ARA1124 73 6.6 88
Show 17234-1758 OCC 14 -1 0.1 89
Show 17212-1802 ARA 249 328 5.4 90
Show 17190-2034 RSS 435 303 19.8 90
Show 17265-1807 ARA 444 206 6.0 93
Show 17165-1920 BU 958 210 1.9 97
Show 17246-1749 GWP2708 350 20.6 100
Show 17306-1933 HU 1180 73 2.2 105
Show 17210-2107 DON 832 AB 26 4.1 105
Show 17210-2107 TNN 8 AC 261 10.8 105
Show 17307-1907 ARA 714 AB 300 14.5 107
Show 17199-1745 BU 126 AB 265 2.4 113
Show 17199-1745 BU 126 AC 141 11.5 113
Show 17283-2058 A 2244 AB 51 0.1 115
Show 17283-2058 OCC1098 Aa,Ab -1 0.1 115
Show 17150-1933 OCC 520 -1 0.0 117
Show 17151-1951 B 336 AB 230 9.7 119
Show 17151-1951 B 336 BC 163 3.7 119
Show 17265-1735 HU 171 AB 188 1.7 121
Show 17265-1735 HU 171 AC 209 7.1 121
Show 17247-2126 HLD 134 140 4.5 122
Show 17200-2119 RST3086 265 2.6 122

 
 
WDS 17233-1927 : COMPONENTS
 
 
  A
B pa=315.8°
sep=0.37"
 
 
17233-1927 A
 
 
Componente originario normalizzato AB Name HD 157301 Coord arcsec 2000 172316.16-192655.4 Mag 8.2
Spectral class A2III (white) PmRA -1.00 PmDE 3.0 SAO 160511
HIP 85080 Tycho2 6242-00123-1 HD 157301 GC 23495
BD BD-19 4617
Tycho2
Tycho2 6242-00123-1 Pflag RAmdeg 260.81731930 DEmdeg -19.44870407
PmRA -0.4 PmDE 0.2 E RAmdeg 6 E DEmdeg 7
E pmRA 1.3 E pmDE 1.3 EpRAm 1991.07 EpDEm 1990.60
Num 10 Q RAmdeg 0.5 Q DEmdeg 1.3 Q pmRA 0.5
Q pmDE 1.4 BTmag 8.542 E BTmag 0.018 VTmag 8.086
E VTmag 0.013 Prox 999 TYC T HIP 85080
CCDM AB RAdeg 260.81732028 DEdeg -19.44870472 EpRA 1990 1.67
EpDE 1990 1.33 E RAdeg 5.8 E DEdeg 7.2 Posflg P
Corr -0.1
SAO
SAO 160511 DelFlag RA1950 PmRA1950 -0.0004
DE1950 PmDE1950 0.006 Vmag 8 SpType A2
Double code Source 70 CatNum 23495 DM BD-19 4617
DMcomp BDsup HD 157301 M HD 0
GC 23495 RA1950rad 4.53924765 DE1950rad -0.3386378 PmRA2000 -0.0003
PmDE2000 0.008
Hipparcos
Catalog H HIP 85080 Proxy H RAhms 17 23 16.16
DEdms -19 26 55.4 Vmag 8.03 VarFlag R Vmag H
RAdeg 260.817 DEdeg -19.4487 AstroRef A Plx 5.49
CCDM 17233-1927 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 325 Rho 0.497 HD 157301 BD BD-19 4617
CD CP Dm number -19 4617 VIred 0.47
SpType A2III R SpType Coord arcsec 2000 172316.16-192655.4
Hipparcos 2
HIP 85080 Sn 15 So 3 Nc 2
RArad 4.5521210688 DErad -0.3394440064 Plx 5.45 PmRA -0.97
PmDE 2.81 E RArad 0.68 E DErad 0.41 E Plx 0.74
E pmRA 0.76 E pmDE 0.45 Hpmag 8.1274 E Hpmag 0.0013
SHp 0.01 VA 0 BV 0.431 E BV 0.016
VI 0.5
CCDM
Ccdm 17233-1927 RComp Comp A Note1
Note2 Discov num DRAs -1.84 DDEs 4.7
R dRAs 82 Year Theta Rho
Obs 2 Vmag 8.2 Sp A2 PmNote *
PmRA -1 PmDE 3 Dm number -19 4617 Cat1 BD
Name2 160511 Cat2 SAO HD 157301 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 85080
 
 
17233-1927 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 172316.14-192655.1 Mag 10.64 Calc delta mag 2.44
Calc coord yes
CCDM
Ccdm 17233-1927 RComp Comp B Note1
Note2 Discov num HDS DRAs -1.87 DDEs 5.1
R dRAs 82 Year 1991 Theta 325 Rho 0.5
Obs 1 Vmag 10.9 Sp PmNote *
PmRA -1 PmDE 3 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 85080