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Doubles in session


Current system
18146-4722
HJ 5031
HD 166796


Nearby doubles
19' : 18135-4737
RST5602AB

20' : 18158-4707
BRT1038

34' : 18153-4650
B 1882

36' : 18160-4755
RST 973

38' : 18111-4731
B 1879

48' : 18164-4638
SWR 241

54' : 18145-4629
CPO 577

56' : 18193-4751
KPP3110

57' : 18146-4625
CPO 578

58' : 18190-4759
B 936

59' : 18202-4730
RST 976

62' : 18205-4711
CPO9263

65' : 18203-4654
RST 977

69' : 18150-4831
I 1356AB

70' : 18079-4713
BRT1020

70' : 18150-4832
RSS 479

75' : 18197-4628
B 1886

76' : 18197-4627
TDT 797

77' : 18124-4836
I 1354

79' : 18074-4644
SHY 737

83' : 18162-4601
HJ 5034

85' : 18083-4627
B 1878

86' : 18225-4652
CPO 583

87' : 18224-4758
UC 3565

87' : 18120-4600
ALD 91

90' : 18154-4851
HJ 5033AB



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.

18146-4722 HJ 5031 (HD 166796)

 
 
18h 14m 38.01s -47° 22' 25.1" P.A. 63.00 sep 36.6 mag 7.99,9.20 Sp K0/1IV
 
 
Coord 2000 18146-4722 Discov num HJ 5031 Comp Coord arcsec 2000 18 14 38.01 -47 22 25.1
Date first 1834 Date last 2015 Obs 16
Pa first 101 Pa last 62.6 P.A. Now (θ) 62.6°
Sep first 18.0 Sep last 36.554 Sep. Now (ρ) 36.554"
Mag pri 7.99 Mag sec 9.20 delta mag (ΔM) 1.21 Spectral class K0/1IV (yellow-orange)
Pri motion ra -068 Sec motion ra -007
Pri motion dec -134 Sec motion dec -014
Notes N L (See Notes, Linear solution)
rPM=0.896
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 166796 Constellation Telescopium SAO 228835 Tycho2 8362-03357-1
Gaia DR2 6707633086841668864 HD 166796 DM CD-4712140
 
 
WDS 18146-4722 HJ 5031 (HD 166796) : NOTES
 
 
discov_num notes refcode
HJ 5031 B is CD-47@12140.
 
 
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
18146-4722 HJ 5031 1999 13 65 34.8 7.99 9.20 K0/1IV NLD 181438.01-472225.1
18146-4722 HJ 5031 2010 15 63 36.1 7.99 9.20 K0/1IV NL 181438.01-472225.1
18146-4722 HJ 5031 2015 16 63 36.6 7.99 9.20 K0/1IV NL 181438.01-472225.1

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

 
 
WDS 18146-4722 HJ 5031 (HD 166796) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18146-4722 HJ 5031 (HD 166796) : MEASURES
 
 
No records found.

 
 
WDS 18146-4722 (HD 166796) : VIRTUAL EYEPIECE
 
 

18146-4722 HJ 5031A mag 7.99 Sp K0/1IV 18146-4722 HJ 5031B sep 27.7 P.A. 52.60 mag 9.2 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 18146-4722 (HD 166796) : ALADIN DSS IMAGE @ 18h 14m 38.01s -47° 22' 25.1"
 
 
 
 
WDS 18146-4722 HJ 5031 (HD 166796) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18146-4722 HJ 5031 distance=0' 18135-4737 RST5602AB distance=19' 18135-4737 SHT 33AC distance=19' 18158-4707 BRT1038 distance=20' 18153-4650 B 1882 distance=34' 18160-4755 RST 973 distance=36' 18111-4731 B 1879 distance=38' 18164-4638 SWR 241 distance=48' 18145-4629 CPO 577 distance=54' 18193-4751 KPP3110 distance=56' 18146-4625 CPO 578 distance=57' 18190-4759 B 936 distance=58' 18202-4730 RST 976 distance=59' 18205-4711 CPO9263 distance=62' 18203-4654 RST 977 distance=65' 18150-4831 I 1356AB distance=69' 18150-4831 I 1356AC distance=69' 18079-4713 BRT1020 distance=70' 18150-4832 RSS 479 distance=70' 18197-4628 B 1886 distance=75' 18197-4627 TDT 797 distance=76' 18124-4836 I 1354 distance=77' 18074-4644 SHY 737 distance=79' 18162-4601 HJ 5034 distance=83' 18083-4627 B 1878 distance=85' 18225-4652 CPO 583 distance=86' 18224-4758 UC 3565 distance=87' 18120-4600 ALD 91 distance=87' 18154-4851 HJ 5033AB distance=90' 18154-4851 HJ 5033AC distance=90' 18154-4851 HJ 5033AD distance=90' 18112-4557 HDO 286 distance=93' 18080-4619 TDT 699 distance=93' 18088-4835 BRT1022 distance=94' 18202-4608 RST 978 distance=95' 18100-4852 HJ 5017 distance=102' 18127-4542 B 2433 distance=103' 18232-4629 CPO 584 distance=103' 18234-4819 B 938 distance=106' 18241-4809 DAW9010AB distance=107' 18241-4809 DAW9010AC distance=107' 18238-4816 DAW 222BC distance=107' 18238-4816 HJ 5040AB distance=107' 18238-4816 HJ 5040A,BC distance=107' 18055-4628 BRT1017 distance=110' 18220-4845 SWR 243 distance=111' 18058-4831 BRT1018 distance=112' 18165-4913 SKF1145 distance=112' 18177-4910 BRT1040 distance=112' 18197-4542 CHR 148 distance=114' 18124-4532 CPO 576 distance=114' 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 18146-4722 HJ 5031 63 36.6
Show 18135-4737 RST5602 AB 169 4.6 19
Show 18135-4737 SHT 33 AC 117 4.3 19
Show 18158-4707 BRT1038 82 5.8 20
Show 18153-4650 B 1882 228 1.4 34
Show 18160-4755 RST 973 313 0.7 36
Show 18111-4731 B 1879 271 1.8 38
Show 18164-4638 SWR 241 283 8.1 48
Show 18145-4629 CPO 577 200 5.6 54
Show 18193-4751 KPP3110 269 18.0 56
Show 18146-4625 CPO 578 261 5.7 57
Show 18190-4759 B 936 163 0.4 58
Show 18202-4730 RST 976 248 2.0 59
Show 18205-4711 CPO9263 258 4.0 62
Show 18203-4654 RST 977 96 1.8 65
Show 18150-4831 I 1356 AB 320 0.4 69
Show 18150-4831 I 1356 AC 167 8.1 69
Show 18079-4713 BRT1020 250 4.7 70
Show 18150-4832 RSS 479 207 24.6 70
Show 18197-4628 B 1886 286 0.9 75
Show 18197-4627 TDT 797 230 2.4 76
Show 18124-4836 I 1354 163 1.3 77
Show 18074-4644 SHY 737 294 999.9 79
Show 18162-4601 HJ 5034 100 2.4 83
Show 18083-4627 B 1878 297 2.8 85
Show 18225-4652 CPO 583 205 5.6 86
Show 18224-4758 UC 3565 155 24.5 87
Show 18120-4600 ALD 91 255 1.7 87
Show 18154-4851 HJ 5033 AB 113 17.3 90
Show 18154-4851 HJ 5033 AC 10 15.6 90
Show 18154-4851 HJ 5033 AD 69 25.4 90
Show 18112-4557 HDO 286 230 16.4 93
Show 18080-4619 TDT 699 246 1.1 93
Show 18088-4835 BRT1022 351 3.3 94
Show 18202-4608 RST 978 216 4.6 95
Show 18100-4852 HJ 5017 320 22.5 102
Show 18127-4542 B 2433 10 15.6 103
Show 18232-4629 CPO 584 246 5.1 103
Show 18234-4819 B 938 339 7.0 106
Show 18241-4809 DAW9010 AB 82 7.7 107
Show 18241-4809 DAW9010 AC 17 8.7 107
Show 18238-4816 DAW 222 BC 359 4.6 107
Show 18238-4816 HJ 5040 AB 291 9.7 107
Show 18238-4816 HJ 5040 A,BC 313 11.8 107
Show 18055-4628 BRT1017 115 5.2 110
Show 18220-4845 SWR 243 93 24.6 111
Show 18058-4831 BRT1018 72 9.6 112
Show 18165-4913 SKF1145 158 52.9 112
Show 18177-4910 BRT1040 99 5.5 112
Show 18197-4542 CHR 148 52 0.3 114
Show 18124-4532 CPO 576 208 6.0 114

 
 
WDS 18146-4722 : COMPONENTS
 
 
  A
B pa=52.6°
sep=27.68"
 
 
18146-4722 A
 
 
Componente originario normalizzato AB Name HD 166796 Coord arcsec 2000 181438.01-472225.1 Mag 7.99
Spectral class K0/1IV (yellow-orange) PmRA -68.00 PmDE -134.0 SAO 228835
Tycho2 8362-03357-1 HD 166796 DM CD-4712139
Tycho2
Tycho2 8362-03357-1 Pflag RAmdeg 273.65839012 DEmdeg -47.37363737
PmRA -69.9 PmDE -134.7 E RAmdeg 6 E DEmdeg 6
E pmRA 1.1 E pmDE 1.1 EpRAm 1990.95 EpDEm 1991.06
Num 6 Q RAmdeg 0.3 Q DEmdeg 1.5 Q pmRA 0.4
Q pmDE 1.6 BTmag 9.232 E BTmag 0.018 VTmag 7.987
E VTmag 0.011 Prox 340 TYC T HIP
CCDM RAdeg 273.65863000 DEdeg -47.37332917 EpRA 1990 1.63
EpDE 1990 1.76 E RAdeg 6.0 E DEdeg 6.2 Posflg
Corr 0.0
SAO
SAO 228835 DelFlag RA1950 PmRA1950 -0.0068
DE1950 PmDE1950 -0.14 Vmag 8 SpType K0
Double code Source 48 CatNum 17174 DM CP-47 8766
DMcomp BDsup HD 166796 M HD 0
GC RA1950rad 4.75980592 DE1950rad -0.82706562 PmRA2000 -0.0068
PmDE2000 -0.142
CCDM
Ccdm 18146-4722 RComp Comp A Note1
Note2 Discov num DRAs 1.98 DDEs -25.8
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.2 Sp K0 PmNote *
PmRA -69 PmDE -140 Dm number -4712139 Cat1 CD
Name2 228835 Cat2 SAO HD 166796 M HD
ADS BDS M ADS BDS N IDS IDS 18071S4724A
HIC
 
 
18146-4722 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 181440.17-472208.3 Mag 9.2 PmRA -7.00
PmDE -14.0 Tycho2 8362-00351-1 DM CD-4712140 Calc delta mag 1.21
Calc coord yes
Tycho2
Tycho2 8362-00351-1 Pflag RAmdeg 273.67130598 DEmdeg -47.36944127
PmRA -7.4 PmDE -17.3 E RAmdeg 14 E DEmdeg 14
E pmRA 1.4 E pmDE 1.3 EpRAm 1988.95 EpDEm 1988.26
Num 4 Q RAmdeg 0.1 Q DEmdeg 0.9 Q pmRA 0.1
Q pmDE 0.8 BTmag 10.510 E BTmag 0.034 VTmag 9.197
E VTmag 0.019 Prox 340 TYC T HIP
CCDM RAdeg 273.67133167 DEdeg -47.36940083 EpRA 1990 1.60
EpDE 1990 1.77 E RAdeg 15.0 E DEdeg 14.9 Posflg
Corr 0.1
CCDM
Ccdm 18146-4722 RComp Comp B Note1
Note2 Discov num HJ 5031 DRAs DDEs
R dRAs Year 1928 Theta 076 Rho 27.9
Obs 6 Vmag 9.9 Sp G5 PmNote
PmRA PmDE Dm number -4712140 Cat1 CD
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18071S4724B
HIC