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Doubles in session


Current system
18540-4716
I 112 AB
HD 174691


Nearby doubles
24' : 18517-4714
HDS2675

30' : 18566-4705
WSI 134

37' : 18523-4749
UC 3703AB

48' : 18587-4715
NSN 478

51' : 18497-4652
CPO9276

54' : 18591-4705
KPP1695

62' : 18487-4647
CPO 84AB

63' : 18479-4717
BRT1079

64' : 18549-4820
UC 3719

68' : 18592-4758
UC 3746

69' : 18596-4639
RST1014

69' : 18474-4727
UC 3670

75' : 18556-4830
RST1010

75' : 18516-4827
CPO 600

78' : 18534-4833
KPP3103

79' : 19004-4801
UC 3755

85' : 18532-4552
RST1007

85' : 19004-4812
UC 3756

86' : 18494-4827
KPP1563

86' : 18462-4747
UC 3666

89' : 18589-4830
I 113

91' : 18452-4709
TDT1035

94' : 18490-4559
CPO 599

95' : 18469-4818
UC 3669

97' : 18447-4736
I 1029

101' : 18444-4657
HU 1528



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.

18540-4716 I 112 AB (HD 174691)

 
 
18h 54m 01.61s -47° 16' 27.4" P.A. 193.00 sep 2.1 mag 7.11,9.05 Sp F5V dist. 68.92 pc (224.82 l.y.)
 
 
Coord 2000 18540-4716 Discov num I   112 Comp AB Coord arcsec 2000 18 54 01.61 -47 16 27.4
Date first 1896 Date last 2016 Obs 20
Pa first 180 Pa last 192.9 P.A. Now (θ) 192.9°
Sep first 2.0 Sep last 2.11 Sep. Now (ρ) 2.11"
Mag pri 7.11 Mag sec 9.05 delta mag (ΔM) 1.94 Spectral class F5V (yellow-white)
Pri motion ra -008 Sec motion ra -008
Pri motion dec -035 Sec motion dec -035
Notes
Nature of this double is uncertain.
 
 
18540-4716 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 174691 229354 18 54 02 -47 16 27 I 112 AB 2016 20 193 2.1 7.11 9.05 1.94 <===
Show 229354 18 54 02 -47 16 27 DUN 224 AC 2016 23 62 87.2 7.11 7.28 0.17
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 174691 Constellation Telescopium SAO 229354 HIP 92750
Tycho2 8377-00464-1 Gaia DR2 6710469826831780736 HD 174691 GC 25898
CD CD-4712603 CP CP-47 9096 Distance 68.92 Distance ly 224.82
 
 
WDS 18540-4716 I 112 AB (HD 174691) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Dun1829 Ma - Dunlop, J. 1829MmRAS...3..257D
Dun1829 MemRAS 3, 257, 1829
Dun1829 some measures corrected in LRR2022
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
18540-4716 I 112 AB 1991 16 190 1.8 7.11 9.05 F5V D 185401.61-471627.4
18540-4716 I 112 AB 2010 17 191 1.9 7.11 9.05 F5V 185401.61-471627.4
18540-4716 I 112 AB 2016 18 193 2.1 7.11 9.05 F5V 185401.61-471627.4

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

 
 
WDS 18540-4716 I 112 AB (HD 174691) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18540-4716 I 112 AB (HD 174691) : MEASURES
 
 
No records found.

 
 
WDS 18540-4716 (HD 174691) : VIRTUAL EYEPIECE
 
 

18540-4716 I 112A mag 7.11 Sp F5V 18540-4716 I 112B sep 2.1 P.A. 188.80 mag 9.05 18540-4716 DUN 224C sep 66.5 P.A. 51.70 mag 7.28 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 18540-4716 (HD 174691) : ALADIN DSS IMAGE @ 18h 54m 01.61s -47° 16' 27.4"
 
 
 
 
WDS 18540-4716 I 112 AB (HD 174691) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18540-4716 I 112AB distance=0' 18517-4714 HDS2675 distance=24' 18548-4740 RST1009BC distance=25' 18548-4740 CPO 602A,BC distance=25' 18566-4705 WSI 134 distance=30' 18523-4749 UC 3703AB distance=37' 18587-4715 NSN 478 distance=48' 18497-4652 CPO9276 distance=51' 18591-4705 KPP1695 distance=54' 18487-4647 CPO 84AB distance=62' 18479-4717 BRT1079 distance=63' 18549-4820 UC 3719 distance=64' 18592-4758 UC 3746 distance=68' 18596-4639 RST1014 distance=69' 18474-4727 UC 3670 distance=69' 18556-4830 RST1010 distance=75' 18516-4827 CPO 600 distance=75' 18534-4833 KPP3103 distance=78' 19004-4801 UC 3755 distance=79' 18532-4552 RST1007 distance=85' 19004-4812 UC 3756 distance=85' 18494-4827 KPP1563 distance=86' 18462-4747 UC 3666 distance=86' 18589-4830 I 113 distance=89' 18452-4709 TDT1035 distance=91' 18490-4559 CPO 599 distance=94' 18469-4818 UC 3669 distance=95' 18447-4736 I 1029 distance=97' 18444-4657 HU 1528 distance=101' 18494-4847 I 1100 distance=103' 18449-4630 SKF1150 distance=105' 18437-4705 RST 999 distance=107' 19004-4550 FIN 12 distance=109' 18436-4746 UC 3656 distance=110' 19036-4812 HJ 5079 distance=113' 18588-4859 I 1388 distance=114' 18541-4519 UC 3715 distance=118' 18426-4740 HJ 5054 distance=119' 18471-4853 RST1002 distance=119' 19026-4843 UC 3772 distance=122' 18545-4514 DON 932 distance=123' 18437-4611 B 1369 distance=125' 19015-4538 BRT1086 distance=126' 18416-4737 UC 3638 distance=128' 18583-4514 DEA 18 distance=130' 19031-4543 B 2873CD distance=133' 19031-4543 R 317AB distance=133' 19031-4543 HJ 5078AC distance=133' 18503-4509 HDS2671 distance=134' 18488-4920 UC 3681 distance=135' 19033-4854 SPM 36 distance=135' 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 18540-4716 I 112 AB 193 2.1
Show 18540-4716 DUN 224 AC 62 87.2
Show 18517-4714 HDS2675 38 12.8 24
Show 18548-4740 RST1009 BC 346 0.4 25
Show 18548-4740 CPO 602 A,BC 48 9.0 25
Show 18566-4705 WSI 134 135 1.3 30
Show 18523-4749 UC 3703 AB 273 108.9 37
Show 18587-4715 NSN 478 5 5.2 48
Show 18497-4652 CPO9276 150 5.2 51
Show 18591-4705 KPP1695 177 13.1 54
Show 18487-4647 CPO 84 AB 27 2.3 62
Show 18479-4717 BRT1079 154 5.3 63
Show 18549-4820 UC 3719 326 53.7 64
Show 18592-4758 UC 3746 323 41.3 68
Show 18596-4639 RST1014 141 0.8 69
Show 18474-4727 UC 3670 86 21.2 69
Show 18556-4830 RST1010 184 0.4 75
Show 18516-4827 CPO 600 185 5.4 75
Show 18534-4833 KPP3103 152 39.2 78
Show 19004-4801 UC 3755 88 19.6 79
Show 18532-4552 RST1007 35 2.9 85
Show 19004-4812 UC 3756 266 92.7 85
Show 18494-4827 KPP1563 308 11.8 86
Show 18462-4747 UC 3666 287 53.7 86
Show 18589-4830 I 113 227 3.2 89
Show 18452-4709 TDT1035 209 0.4 91
Show 18490-4559 CPO 599 68 5.4 94
Show 18469-4818 UC 3669 270 59.8 95
Show 18447-4736 I 1029 95 2.3 97
Show 18444-4657 HU 1528 243 3.4 101
Show 18494-4847 I 1100 33 1.1 103
Show 18449-4630 SKF1150 83 28.0 105
Show 18437-4705 RST 999 257 3.6 107
Show 19004-4550 FIN 12 37 0.5 109
Show 18436-4746 UC 3656 254 141.6 110
Show 19036-4812 HJ 5079 230 17.5 113
Show 18588-4859 I 1388 109 1.5 114
Show 18541-4519 UC 3715 35 21.0 118
Show 18426-4740 HJ 5054 326 16.2 119
Show 18471-4853 RST1002 71 0.2 119
Show 19026-4843 UC 3772 237 40.9 122
Show 18545-4514 DON 932 338 2.3 123
Show 18437-4611 B 1369 71 4.2 125
Show 19015-4538 BRT1086 16 6.1 126
Show 18416-4737 UC 3638 32 50.2 128
Show 18583-4514 DEA 18 52 63.2 130
Show 19031-4543 B 2873 CD 268 6.2 133
Show 19031-4543 R 317 AB 287 1.7 133
Show 19031-4543 HJ 5078 AC 212 18.6 133
Show 18503-4509 HDS2671 299 14.5 134
Show 18488-4920 UC 3681 268 43.1 135

 
 
WDS 18540-4716 : COMPONENTS
 
 
  A B
B pa=188.8°
sep=2.08"
 
C pa=51.7°
sep=66.46"
pa=50.5°
sep=68.00"
 
 
18540-4716 A
 
 
Name HD 174691 Coord arcsec 2000 185401.61-471627.4 Mag 7.11 Spectral class F5V (yellow-white)
PmRA -8.00 PmDE -35.0 SAO 229354 HIP 92750
Tycho2 8377-00464-1 HD 174691 GC 25898 CD CD-4712603
CP CP-47 9096
Tycho2
Tycho2 8377-00464-1 Pflag P RAmdeg 283.50666814 DEmdeg -47.27440611
PmRA -7.6 PmDE -34.9 E RAmdeg 4 E DEmdeg 5
E pmRA 2.1 E pmDE 1.9 EpRAm 1991.67 EpDEm 1991.56
Num 5 Q RAmdeg 1.5 Q DEmdeg 1.4 Q pmRA 1.6
Q pmDE 1.5 BTmag 7.581 E BTmag 0.016 VTmag 7.113
E VTmag 0.010 Prox 18 TYC T HIP 92750
CCDM A RAdeg 283.50670361 DEdeg -47.27428667 EpRA 1990 1.73
EpDE 1990 1.66 E RAdeg 4.3 E DEdeg 4.9 Posflg D
Corr 0.2
SAO
SAO 229354 DelFlag RA1950 PmRA1950 -0.0012
DE1950 PmDE1950 -0.027 Vmag 7.2 SpType F5
Double code Source 70 CatNum 25898 DM CD-4712603
DMcomp BDsup HD 174691 M HD 0
GC 25898 RA1950rad 4.93181193 DE1950rad -0.82617818 PmRA2000 -0.0013
PmDE2000 -0.03
Hipparcos
Catalog H HIP 92750 Proxy H RAhms 18 54 01.61
DEdms -47 16 27.4 Vmag 6.89 VarFlag R Vmag G
RAdeg 283.507 DEdeg -47.2743 AstroRef A Plx 13.37
CCDM 18541-4716 N CCDM I Nsys 2 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 189 Rho 1.784 HD 174691 BD
CD CD-4712603 CP CP-47 9096 Dm number -4712603 VIred 0.58
SpType F5V R SpType Coord arcsec 2000 185401.61-471627.4
Hipparcos 2
HIP 92750 Sn 15 So 3 Nc 2
RArad 4.9481255479 DErad -0.8250919017 Plx 14.51 PmRA -9.26
PmDE -37.57 E RArad 0.48 E DErad 0.37 E Plx 0.59
E pmRA 0.63 E pmDE 0.46 Hpmag 6.9931 E Hpmag 0.0006
SHp 0.009 VA 0 BV 0.508 E BV 0.015
VI 0.58
 
 
18540-4716 B
 
 
Coord arcsec 2000 185401.58-471629.5 Mag 9.05 PmRA -8.00 PmDE -35.0
Tycho2 8377-00464-2 Calc delta mag 1.94 Calc coord yes
Tycho2
Tycho2 8377-00464-2 Pflag P RAmdeg 283.50666814 DEmdeg -47.27440611
PmRA -7.6 PmDE -34.9 E RAmdeg 4 E DEmdeg 5
E pmRA 2.1 E pmDE 1.9 EpRAm 1991.67 EpDEm 1991.56
Num 5 Q RAmdeg 1.5 Q DEmdeg 1.4 Q pmRA 1.6
Q pmDE 1.5 BTmag 9.593 E BTmag 0.024 VTmag 9.050
E VTmag 0.020 Prox 18 TYC HIP 92750
CCDM B RAdeg 283.50658056 DEdeg -47.27477111 EpRA 1990 1.74
EpDE 1990 1.69 E RAdeg 11.0 E DEdeg 13.1 Posflg D
Corr 0.2
 
 
18540-4716 C
 
 
Coord arcsec 2000 185406.73-471546.2 Mag 7.28 PmRA 21.00 PmDE -21.0
Calc delta mag 0.17 Calc coord yes