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Doubles in session


Current system
17012-2026
HJ 4911 AC


Nearby doubles
36' : 17038-2023
HWE 38

39' : 17040-2028
OCC 43

45' : 16585-2047
JKS 14

49' : 17039-1956
RST3065

56' : 17007-2121
OCC9163

65' : 16582-2121
ARA1496

67' : 16593-1926
HDS2403

68' : 17036-1928
HU 1174

80' : 16571-1932
SHJ 240AB

84' : 17071-2015
ARA1121

87' : 17031-1904
BRT1501

93' : 16561-1928
KPP4018

94' : 17003-1854
DVG 45

94' : 17019-1853
OCC 40

100' : 16545-2100
ARA1120

103' : 17005-2208
WIS 308

104' : 17083-1959
ARA 709

104' : 17085-2013
HJ 4922AB

105' : 16555-2134
BU 241

107' : 17083-1948
HU 1280AB

107' : 16564-1904
GWP2680

111' : 16534-2025
WSI 86

111' : 17080-1929
NSN 139

115' : 17085-2120
TDT 228

116' : 17071-1905
HU 1175

118' : 16575-2211
BRT1498



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

17012-2026 HJ 4911 AC

 
 
17h 01m 14.88s -20° 26' 11.9" P.A. 13.00 sep 11.5 mag 7.36,12.00 Sp B7/8V dist. 381.68 pc (1245.04 l.y.)
 
 
Coord 2000 17012-2026 Discov num HJ 4911 Comp AC Coord arcsec 2000 17 01 14.88 -20 26 11.9
Date first 1999 Date last 2016 Obs 3
Pa first 13 Pa last 12.9 P.A. Now (θ) 12.9°
Sep first 11.0 Sep last 11.47 Sep. Now (ρ) 11.47"
Mag pri 7.36 Mag sec 12.00 delta mag (ΔM) 4.64 Spectral class B7/8V (blue-white)
Pri motion ra -004 Sec motion ra
Pri motion dec -008 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
17012-2026 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 153609 184922 17 01 15 -20 26 12 HJ 4911 AB 2015 4 176 96.1 7.36 12.23 4.87
Show 184922 17 01 15 -20 26 12 HJ 4911 AC 2016 3 13 11.5 7.36 12.00 4.64 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ophiuchus SAO 184922 HIP 83286 Tycho2 6227-02830-1
Gaia DR2 4127949766072219392 HD 153609 BD BD-20 4606 Distance 381.68
Distance ly 1245.04
 
 
WDS 17012-2026 HJ 4911 AC : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
HJ Herschel, J.F.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
17012-2026 HJ 4911 AC 2000 1 13 11.0 7.40 12.00 170114.88-202611.9
17012-2026 HJ 4911 AC 2015 3 13 11.2 7.36 12.00 B7/8V 170114.88-202611.9
17012-2026 HJ 4911 AC 2016 3 13 11.5 7.36 12.00 B7/8V 170114.88-202611.9

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

 
 
WDS 17012-2026 HJ 4911 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17012-2026 HJ 4911 AC : MEASURES
 
 
No records found.

 
 
WDS 17012-2026 : VIRTUAL EYEPIECE
 
 

17012-2026 HJ 4911A mag 7.36 Sp B7/8V 17012-2026 HJ 4911B sep 96.1 P.A. 175.70 mag 12.23 17012-2026 HJ 4911C sep 11.5 P.A. 12.90 mag 12 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 17012-2026 : ALADIN DSS IMAGE @ 17h 01m 14.88s -20° 26' 11.9"
 
 
 
 
WDS 17012-2026 HJ 4911 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17012-2026 HJ 4911AC distance=0' 17038-2023 HWE 38 distance=36' 17040-2028 OCC 43 distance=39' 16585-2047 JKS 14 distance=45' 17039-1956 RST3065 distance=49' 17007-2121 OCC9163 distance=56' 16582-2121 ARA1496 distance=65' 16593-1926 HDS2403 distance=67' 17036-1928 HU 1174 distance=68' 16571-1932 SHJ 240AB distance=80' 16571-1932 OCC 940Ba,Bb distance=80' 17071-2015 ARA1121 distance=84' 17031-1904 BRT1501 distance=87' 16561-1928 KPP4018 distance=93' 17003-1854 DVG 45 distance=94' 17019-1853 OCC 40 distance=94' 16545-2100 ARA1120 distance=100' 17005-2208 WIS 308 distance=103' 17083-1959 ARA 709 distance=104' 17085-2013 HJ 4922AB distance=104' 17085-2013 BU 1457AC distance=104' 16555-2134 BU 241 distance=105' 17083-1948 HU 1280AB distance=107' 17083-1948 HU 1280AB,C distance=107' 16564-1904 GWP2680 distance=107' 16534-2025 WSI 86 distance=111' 17080-1929 NSN 139 distance=111' 17085-2120 TDT 228 distance=115' 17071-1905 HU 1175 distance=116' 16575-2211 BRT1498 distance=118' 17077-1912 ARG 78 distance=118' 16578-2216 BRT1499 distance=121' 17099-2015 ARA1122 distance=123' 16539-1919 B 1838 distance=124' 16547-2203 BU 123 distance=134' 17002-1813 RST3059 distance=135' 16539-1854 DON 815AB distance=139' 16539-1854 DON 815AC distance=139' 17054-1822 RST3068 distance=139' 17111-2039 TOK 791AB distance=139' 16525-1921 TDT 125 distance=140' 17083-1847 ARA 436 distance=141' 17102-1926 MCA 46 distance=141' 16519-2120 RSS 419 distance=142' 16523-1921 GWP2675 distance=142' 17084-2209 LEP 121 distance=144' 17103-2135 SKF2522 distance=145' 16577-1811 ARA 434 distance=145' 17109-1935 B 334 distance=145' 16586-1803 OL 99 distance=148' 16509-1950 B 1830AB distance=150' 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 17012-2026 HJ 4911 AB 176 96.1 0
Show 17012-2026 HJ 4911 AC 13 11.5 0
Show 17038-2023 HWE 38 180 5.9 36
Show 17040-2028 OCC 43 -1 0.1 39
Show 16585-2047 JKS 14 125 12.9 45
Show 17039-1956 RST3065 343 3.3 49
Show 17007-2121 OCC9163 -1 0.1 56
Show 16582-2121 ARA1496 173 12.3 65
Show 16593-1926 HDS2403 264 0.4 67
Show 17036-1928 HU 1174 76 3.7 68
Show 16571-1932 SHJ 240 AB 233 4.4 80
Show 16571-1932 OCC 940 Ba,Bb -1 0.0 80
Show 17071-2015 ARA1121 216 8.2 84
Show 17031-1904 BRT1501 167 3.6 87
Show 16561-1928 KPP4018 166 2.7 93
Show 17003-1854 DVG 45 233 119.9 94
Show 17019-1853 OCC 40 -1 0.1 94
Show 16545-2100 ARA1120 2 6.3 100
Show 17005-2208 WIS 308 354 13.3 103
Show 17083-1959 ARA 709 87 6.9 104
Show 17085-2013 HJ 4922 AB 311 22.9 104
Show 17085-2013 BU 1457 AC 263 24.9 104
Show 16555-2134 BU 241 31 0.3 105
Show 17083-1948 HU 1280 AB 271 0.1 107
Show 17083-1948 HU 1280 AB,C 9 9.5 107
Show 16564-1904 GWP2680 53 20.7 107
Show 16534-2025 WSI 86 167 0.4 111
Show 17080-1929 NSN 139 339 2.5 111
Show 17085-2120 TDT 228 278 2.6 115
Show 17071-1905 HU 1175 212 2.1 116
Show 16575-2211 BRT1498 121 4.8 118
Show 17077-1912 ARG 78 181 0.7 118
Show 16578-2216 BRT1499 161 3.5 121
Show 17099-2015 ARA1122 118 8.3 123
Show 16539-1919 B 1838 256 0.7 124
Show 16547-2203 BU 123 197 1.4 134
Show 17002-1813 RST3059 252 5.6 135
Show 16539-1854 DON 815 AB 221 2.7 139
Show 16539-1854 DON 815 AC 320 9.3 139
Show 17054-1822 RST3068 193 1.0 139
Show 17111-2039 TOK 791 AB 61 1.1 139
Show 16525-1921 TDT 125 137 0.6 140
Show 17083-1847 ARA 436 122 15.0 141
Show 17102-1926 MCA 46 121 0.1 141
Show 16519-2120 RSS 419 164 18.1 142
Show 16523-1921 GWP2675 37 83.9 142
Show 17084-2209 LEP 121 131 4.1 144
Show 17103-2135 SKF2522 32 13.6 145
Show 16577-1811 ARA 434 153 11.8 145
Show 17109-1935 B 334 25 1.3 145
Show 16586-1803 OL 99 128 3.0 148

 
 
WDS 17012-2026 : COMPONENTS
 
 
  A B
B pa=175.7°
sep=96.10"
 
C pa=12.9°
sep=11.47"
pa=357.5°
sep=107.11"
 
 
17012-2026 A
 
 
Coord arcsec 2000 170114.88-202611.9 Mag 7.36 Spectral class B7/8V (blue-white) PmRA -4.00
PmDE -8.0 HIP 83286 Tycho2 6227-02830-1 HD 153609
BD BD-20 4606
Tycho2
Tycho2 6227-02830-1 Pflag RAmdeg 255.31200313 DEmdeg -20.43667255
PmRA -6.0 PmDE -9.3 E RAmdeg 5 E DEmdeg 5
E pmRA 0.9 E pmDE 0.9 EpRAm 1991.05 EpDEm 1990.88
Num 17 Q RAmdeg 0.6 Q DEmdeg 0.8 Q pmRA 0.7
Q pmDE 0.8 BTmag 7.484 E BTmag 0.016 VTmag 7.360
E VTmag 0.011 Prox 999 TYC T HIP 83286
CCDM RAdeg 255.31201778 DEdeg -20.43665083 EpRA 1990 1.75
EpDE 1990 1.54 E RAdeg 4.5 E DEdeg 5.2 Posflg
Corr 0.0
Hipparcos
Catalog H HIP 83286 Proxy RAhms 17 01 14.88
DEdms -20 26 11.9 Vmag 7.36 VarFlag R Vmag H
RAdeg 255.312 DEdeg -20.4366 AstroRef Plx 3.4
CCDM -5.94 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD BD BD-20 4606
CD CP Dm number -20 4606 VIred 0.09
SpType B7/B8V R SpType Coord arcsec 2000 170114.88-202611.9
Hipparcos 2
HIP 83286 Sn 5 So 0 Nc 1
RArad 4.4560353409 DErad -0.3566868201 Plx 2.62 PmRA -4.33
PmDE -8.08 E RArad 0.7 E DErad 0.47 E Plx 0.72
E pmRA 0.93 E pmDE 0.56 Hpmag E Hpmag 0.0013
SHp 0.008 VA 0 BV 0.101 E BV 0.012
VI 0.11
CCDM
Ccdm 17012-2026 RComp Comp A Note1
Note2 Discov num DRAs 2.85 DDEs -14.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.2 Sp A0 PmNote *
PmRA -9 PmDE -28 Dm number -20 4606 Cat1 BD
Name2 184922 Cat2 SAO HD 153609 M HD
ADS BDS B 7827 M ADS BDS N IDS IDS 16553S2017A
HIC 83286
 
 
17012-2026 B
 
 
Coord arcsec 2000 170115.39-202747.7 Mag 12.23 PmRA -6.00 PmDE -8.0
Delta magnitude 4.87 Coordinate calculated yes
CCDM
Ccdm 17012-2026 RComp Comp B Note1
Note2 Discov num HJ 4911 DRAs DDEs
R dRAs Year 1909 Theta 357 Rho 98.7
Obs 1 Vmag Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B 7827 M ADS BDS N IDS IDS 16553S2017B
HIC
 
 
17012-2026 C
 
 
Coord arcsec 2000 170115.06-202600.7 Mag 12 Delta magnitude 4.64 Coordinate calculated yes