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Doubles in session


Current system
17091-1815
HJ 4923
HD 154922


Nearby doubles
18' : 17081-1826
DOO 64

20' : 17100-1801
HU 168

21' : 17080-1802
HO 650

29' : 17111-1809
TDT 256

34' : 17083-1847
ARA 436

36' : 17108-1748
GWP2697

50' : 17056-1807
ARA 245

53' : 17126-1759
LSC 70

53' : 17054-1822
RST3068

58' : 17071-1905
HU 1175

61' : 17077-1912
ARG 78

61' : 17132-1834
SKF1504AB

65' : 17134-1839
ARA 438

65' : 17134-1840
ARA 439

67' : 17136-1832
OCC 992

68' : 17138-1807
ARA 247

73' : 17102-1926
MCA 46

76' : 17080-1929
NSN 139

80' : 17040-1742
RST3066

83' : 17109-1935
B 334

88' : 17144-1901
A 2238

94' : 17083-1948
HU 1280AB

95' : 17157-1811
WHC 14AB

99' : 17031-1904
BRT1501

101' : 17147-1919
RST3079

105' : 17161-1744
FEN 22



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.

17091-1815 HJ 4923 (HD 154922)

 
 
17h 09m 07.52s -18° 15' 22.8" P.A. 147.00 sep 16.3 mag 8.53,10.67 Sp A7III
 
 
Coord 2000 17091-1815 Discov num HJ 4923 Comp Coord arcsec 2000 17 09 07.52 -18 15 22.8
Date first 1879 Date last 2015 Obs 22
Pa first 168 Pa last 147.4 P.A. Now (θ) 147.4°
Sep first 7.5 Sep last 16.254 Sep. Now (ρ) 16.254"
Mag pri 8.53 Mag sec 10.67 delta mag (ΔM) 2.14 Spectral class A7III (white)
Pri motion ra -006 Sec motion ra +043
Pri motion dec -012 Sec motion dec -064
Notes L (Linear solution)
rPM=0.927
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 154922 Constellation Ophiuchus SAO 160317 Tycho2 6236-00750-1
Gaia DR2 4129424962761024640 HD 154922 ADS 10359
 
 
WDS 17091-1815 HJ 4923 (HD 154922) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HJ_1826 Mb - Herschel, J.F.W. 1826MmRAS...2..459H
HJ_1826 MemRAS 2, 459, 1826
HJ_1829a Mb - Herschel, J.F.W. 1829MmRAS...3...47H
HJ_1829a MemRAS 3, 47, 1829
HJ_1829b Mb - Herschel, J.F.W. 1829MmRAS...3..177H
HJ_1829b MemRAS 3, 177, 1829
HJ_1831 Ma - Herschel, J.F.W. 1831MmRAS...4..331H
HJ_1831 +Mb MemRAS 4, part 2, 331, 1831
HJ_1833a Ma - Herschel, J.F.W. 1833MmRAS...5...13H
HJ_1833a +Mb MemRAS 5, 13, 1833
HJ_1833b orb - Herschel, J.F.W. 1833MmRAS...5..171H
HJ_1833b MemRAS 5, 171, 1833
HJ_1833c Mb - Herschel, J.F.W. 1833MmRAS...6....1H
HJ_1833c MemRAS 6, 1, 1833
HJ_1833d orb - Herschel, J.F.W. 1833MmRAS...6..149H
HJ_1833d MemRAS 6, 149, 1833
HJ_1835 Ma - Herschel, J.F.W. 1835MmRAS...8...37H
HJ_1835 +Mb MemRAS 8, 37, 1835
HJ_1836 Mb - Herschel, J.F.W. 1836MmRAS...9..193H
HJ_1836 MemRAS 9, 193, 1836
HJ_1847a Ma j Herschel, J.F.W. .
HJ_1847a +Mb Cape Results, London, 1847 (Cape of Good Hope Astronomical Observations 1834-1838)
HJ_1847b Ma j Herschel, J.F.W. .
HJ_1847b Cape Results, London, 1847
HJ_1850 orb - Herschel, J.F.W. 1850MmRAS..18...47H
HJ_1850 MemRAS 18, 47, 1850
HJ_1870 Mb - Herschel, J.F.W. 1870MmRAS..38....1H
HJ_1870 MemRAS 38, 1, 1870
HJ_1874A - Herschel, J.F.W. 1874MNRAS..35...28B
HJ_1874A cited by Burnham (MNRAS 35, 28, 1874)
HJ_1875A Ma - Herschel, J.F.W. 1875AN.....85..323D
HJ_1875A +Mb cited by Doberck, 1875 (see Dob1875b,f,g,h)
HJ_1880A Ma - Herschel, J.F.W. 1880Obs.....3..508G
HJ_1880A +Mb cited by Gledhill (Obs 3, 508, 1880)
HJ_1880B Mb - Herschel, J.F.W. 1880MNRAS..40..497B
HJ_1880B cited by Burnham (MNRAS 40, 497, 1880)
HJ_1897A Ma j Herschel, J.F.W. 1897MNRAS..57..541S
HJ_1897A cited by See (MNRAS 57, 541, 1897)
HJ_1905A Ma - Herschel, J.F.W. 1905LicOB...3..147A
HJ_1905A +Mb cited by Aitken (Lick Obs. Bull. 3, 147, 1905)
HJ_1906A Ma - Herschel, J.F.W. 1906MmRAS..56....1L
HJ_1906A +Mb cited by Lewis (MemRAS 56, 1, 1906)
HJ_1906B Ma - Herschel, J.F.W. 1906QB821.B972.....
HJ_1906B +Mb cited in BDS (Burnham Double Star Cat.), 1906
HJ_1927A Mb - Herschel, J.F.W. 1927sdsc.book......
HJ_1927A cited in SDS (Southern Double Star Catalog), 1927
HJ_1932A Mb - Herschel, J.F.W. 1932QB821.A43......
HJ_1932A cited in ADS (Aitken Double Star Cat.), 1932
HJ_9999 M j Herschel, J.F.W. ...................
HJ_9999 +Ma 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
17091-1815 HJ 4923 2007 18 148 15.7 8.53 10.67 A7III LD 170907.52-181522.8
17091-1815 HJ 4923 2008 19 148 15.8 8.53 10.67 A7III LD 170907.52-181522.8
17091-1815 HJ 4923 2010 21 148 15.6 8.53 10.67 A7III L 170907.52-181522.8
17091-1815 HJ 4923 2015 22 147 16.3 8.53 10.67 A7III L 170907.52-181522.8

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

 
 
WDS 17091-1815 HJ 4923 (HD 154922) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17091-1815 HJ 4923 (HD 154922) : MEASURES
 
 
No records found.

 
 
WDS 17091-1815 (HD 154922) : VIRTUAL EYEPIECE
 
 

17091-1815 HJ 4923A mag 8.53 Sp A7III 17091-1815 HJ 4923B sep 16.0 P.A. 148.70 mag 10.67 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 17091-1815 (HD 154922) : ALADIN DSS IMAGE @ 17h 09m 07.52s -18° 15' 22.8"
 
 
 
 
WDS 17091-1815 HJ 4923 (HD 154922) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17091-1815 HJ 4923 distance=0' 17081-1826 DOO 64 distance=18' 17100-1801 HU 168 distance=20' 17080-1802 HO 650 distance=21' 17111-1809 TDT 256 distance=29' 17083-1847 ARA 436 distance=34' 17108-1748 GWP2697 distance=36' 17056-1807 ARA 245 distance=50' 17126-1759 LSC 70 distance=53' 17054-1822 RST3068 distance=53' 17071-1905 HU 1175 distance=58' 17077-1912 ARG 78 distance=61' 17132-1834 SKF1504AB distance=61' 17132-1834 ELP 39AC distance=61' 17132-1834 ELP 39BC distance=61' 17134-1839 ARA 438 distance=65' 17134-1840 ARA 439 distance=65' 17136-1832 OCC 992 distance=67' 17138-1807 ARA 247 distance=68' 17102-1926 MCA 46 distance=73' 17080-1929 NSN 139 distance=76' 17040-1742 RST3066 distance=80' 17109-1935 B 334 distance=83' 17144-1901 A 2238 distance=88' 17083-1948 HU 1280AB distance=94' 17083-1948 HU 1280AB,C distance=94' 17157-1811 WHC 14AB distance=95' 17157-1811 HJ 4932AC distance=95' 17031-1904 BRT1501 distance=99' 17147-1919 RST3079 distance=101' 17161-1744 FEN 22 distance=105' 17083-1959 ARA 709 distance=105' 17030-1719 RST3063 distance=105' 17036-1928 HU 1174 distance=107' 17136-1648 TDT 267 distance=108' 17168-1801 OL 100 distance=109' 17019-1853 OCC 40 distance=111' 17115-1630 HU 169 distance=112' 17170-1759 STN 33 distance=114' 17150-1933 OCC 520 distance=114' 17171-1802 KPP2765 distance=115' 17085-2013 HJ 4922AB distance=118' 17085-2013 BU 1457AC distance=118' 17099-2015 ARA1122 distance=121' 17106-1617 KNP 5 distance=121' 17117-1619 KPP1320 distance=123' 17071-2015 ARA1121 distance=123' 17165-1920 BU 958 distance=123' 17135-2002 ARA 710 distance=124' 17039-1956 RST3065 distance=125' 17014-1715 RST3061 distance=126' 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 17091-1815 HJ 4923 147 16.3
Show 17081-1826 DOO 64 207 4.7 18
Show 17100-1801 HU 168 98 0.4 20
Show 17080-1802 HO 650 224 7.5 21
Show 17111-1809 TDT 256 102 0.4 29
Show 17083-1847 ARA 436 122 15.0 34
Show 17108-1748 GWP2697 57 19.7 36
Show 17056-1807 ARA 245 32 6.7 50
Show 17126-1759 LSC 70 10 0.4 53
Show 17054-1822 RST3068 193 1.0 53
Show 17071-1905 HU 1175 212 2.1 58
Show 17077-1912 ARG 78 181 0.7 61
Show 17132-1834 SKF1504 AB 188 3.2 61
Show 17132-1834 ELP 39 AC 189 3.5 61
Show 17132-1834 ELP 39 BC 102 0.4 61
Show 17134-1839 ARA 438 262 13.3 65
Show 17134-1840 ARA 439 248 10.1 65
Show 17136-1832 OCC 992 -1 0.0 67
Show 17138-1807 ARA 247 236 6.0 68
Show 17102-1926 MCA 46 121 0.1 73
Show 17080-1929 NSN 139 339 2.5 76
Show 17040-1742 RST3066 103 0.5 80
Show 17109-1935 B 334 25 1.3 83
Show 17144-1901 A 2238 207 0.9 88
Show 17083-1948 HU 1280 AB 277 0.1 94
Show 17083-1948 HU 1280 AB,C 9 9.5 94
Show 17157-1811 WHC 14 AB 290 1.2 95
Show 17157-1811 HJ 4932 AC 227 10.4 95
Show 17031-1904 BRT1501 167 3.6 99
Show 17147-1919 RST3079 139 1.7 101
Show 17161-1744 FEN 22 281 5.7 105
Show 17083-1959 ARA 709 87 6.9 105
Show 17030-1719 RST3063 162 1.1 105
Show 17036-1928 HU 1174 76 3.7 107
Show 17136-1648 TDT 267 341 4.9 108
Show 17168-1801 OL 100 338 4.0 109
Show 17019-1853 OCC 40 -1 0.1 111
Show 17115-1630 HU 169 181 0.3 112
Show 17170-1759 STN 33 54 1.1 114
Show 17150-1933 OCC 520 -1 0.0 114
Show 17171-1802 KPP2765 179 9.1 115
Show 17085-2013 HJ 4922 AB 311 22.9 118
Show 17085-2013 BU 1457 AC 263 24.9 118
Show 17099-2015 ARA1122 118 8.3 121
Show 17106-1617 KNP 5 40 2.1 121
Show 17117-1619 KPP1320 236 10.0 123
Show 17071-2015 ARA1121 216 8.2 123
Show 17165-1920 BU 958 210 1.9 123
Show 17135-2002 ARA 710 89 11.0 124
Show 17039-1956 RST3065 341 3.4 125
Show 17014-1715 RST3061 211 0.3 126

 
 
WDS 17091-1815 : COMPONENTS
 
 
  A
B pa=148.7°
sep=16.02"
 
 
17091-1815 A
 
 
Componente originario normalizzato AB Name HD 154922 Coord arcsec 2000 170907.52-181522.8 Mag 8.53
Spectral class A7III (white) PmRA -6.00 PmDE -12.0 SAO 160317
Tycho2 6236-00750-1 HD 154922 ADS 10359 DM BD-18 4427
Tycho2
Tycho2 6236-00750-1 Pflag RAmdeg 257.28133659 DEmdeg -18.25632762
PmRA -7.4 PmDE -13.1 E RAmdeg 8 E DEmdeg 11
E pmRA 1.3 E pmDE 1.2 EpRAm 1990.74 EpDEm 1989.57
Num 10 Q RAmdeg 0.4 Q DEmdeg 1.1 Q pmRA 0.5
Q pmDE 1.2 BTmag 8.895 E BTmag 0.019 VTmag 8.529
E VTmag 0.016 Prox 146 TYC T HIP
CCDM RAdeg 257.28135472 DEdeg -18.25629639 EpRA 1990 1.74
EpDE 1990 1.44 E RAdeg 7.9 E DEdeg 10.7 Posflg
Corr 0.1
SAO
SAO 160317 DelFlag RA1950 PmRA1950 -0.001
DE1950 PmDE1950 -0.003 Vmag 8.4 SpType A2
Double code Source 22 CatNum 6997 DM BD-18 4427
DMcomp BDsup HD 154922 M HD 0
GC RA1950rad 4.47766559 DE1950rad -0.31752929 PmRA2000 -0.0009
PmDE2000 -0.001
CCDM
Ccdm 17091-1815 RComp Comp A Note1
Note2 Discov num DRAs 1.49 DDEs -22.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.6 Sp A2 PmNote *
PmRA -14 PmDE -3 Dm number -18 4427 Cat1 BD
Name2 160317 Cat2 SAO HD 154922 M HD
ADS BDS A10359 M ADS BDS N IDS IDS 17033S1808A
HIC
 
 
17091-1815 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 170908.10-181536.5 Mag 10.67 PmRA 43.00
PmDE -64.0 Tycho2 6236-01458-1 Calc delta mag 2.14 Calc coord yes
Tycho2
Tycho2 6236-01458-1 Pflag RAmdeg 257.28367480 DEmdeg -18.25992412
PmRA 41.0 PmDE -61.1 E RAmdeg 46 E DEmdeg 62
E pmRA 2.3 E pmDE 2.4 EpRAm 1985.75 EpDEm 1981.44
Num 4 Q RAmdeg 0.7 Q DEmdeg 2.3 Q pmRA 0.7
Q pmDE 2.3 BTmag 11.324 E BTmag 0.096 VTmag 10.666
E VTmag 0.080 Prox 146 TYC T HIP
CCDM RAdeg 257.28357583 DEdeg -18.25978056 EpRA 1990 1.75
EpDE 1990 1.53 E RAdeg 47.8 E DEdeg 66.6 Posflg
Corr 0.1
CCDM
Ccdm 17091-1815 RComp Comp B Note1
Note2 Discov num HJ 4923 DRAs 2.06 DDEs -36.1
R dRAs 90 Year 1933 Theta 156 Rho 10.9
Obs 12 Vmag 10.6 Sp PmNote *
PmRA 42 PmDE -61 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10359 M ADS BDS N IDS IDS 17033S1808B
HIC