stampa
Login

Saving a selection in a list is possibile.
Create your account here!


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
20040-7847
HJ 5149
HD 188230


Nearby doubles
7' : 20056-7842
RST3244

27' : 20103-7907
HJ 5153

39' : 20172-7849
RST3249

51' : 20206-7904
UC 4152

58' : 19490-7926
HJ 5126

66' : 19461-7810
TDT1720

76' : 19588-8001
TSN 33

78' : 19504-7742
LDS 684

80' : 19445-7945
UC 4016

93' : 20205-8007
TDT2191

127' : 20129-8052
KPP 463

142' : 19564-7628
TDT1864

157' : 20214-8117
I 1044

157' : 20005-8123
KPP2485

167' : 20194-7608
RSS 546

168' : 20010-8134
HDS2852AB

171' : 19594-7557
UC 4061

195' : 20060-7533
TDT1974

201' : 20042-7526
RSS 539

207' : 20179-7526
KPP 560

221' : 20019-7506
RST3243

242' : 20169-7449
I 1045

242' : 20096-8248
SHY 766

253' : 20077-7435
HJ 5158

302' : 20235-8345
UC 4164



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.

20040-7847 HJ 5149 (HD 188230)

 
 
20h 04m 00.69s -78° 46' 45.7" P.A. 148.00 sep 32.2 mag 8.20,9.70 Sp A0V dist. 221.24 pc (721.68 l.y.)
 
 
Coord 2000 20040-7847 Discov num HJ 5149 Comp Coord arcsec 2000 20 04 00.69 -78 46 45.7
Date first 1835 Date last 2015 Obs 17
Pa first 151 Pa last 148.3 P.A. Now (θ) 148.3°
Sep first 43.1 Sep last 32.247 Sep. Now (ρ) 32.247"
Mag pri 8.20 Mag sec 9.70 delta mag (ΔM) 1.5 Spectral class A0V (white)
Pri motion ra +003 Sec motion ra +002
Pri motion dec -018 Sec motion dec -018
Notes N (See Notes)
rPM=0.055 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 188230 Constellation Octans SAO 257762 HIP 98806
Tycho2 9468-01227-1 Gaia DR2 6362610220683634176 HD 188230 GC 27673
CP CP-79 1050 Distance 221.24 Distance ly 721.68
 
 
WDS 20040-7847 HJ 5149 (HD 188230) : NOTES
 
 
discov_num notes refcode
HJ 5149 B is CPD-79@1051.
 
 
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
20040-7847 HJ 5149 2000 13 148 32.2 8.20 9.70 A0V N D 200400.69-784645.7
20040-7847 HJ 5149 2010 15 148 32.2 8.20 9.70 A0V N 200400.69-784645.7
20040-7847 HJ 5149 2015 16 148 32.3 8.20 9.70 A0V N 200400.69-784645.7

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

 
 
WDS 20040-7847 HJ 5149 (HD 188230) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20040-7847 HJ 5149 (HD 188230) : MEASURES
 
 
No records found.

 
 
WDS 20040-7847 (HD 188230) : VIRTUAL EYEPIECE
 
 

20040-7847 HJ 5149A mag 8.2 Sp A0V 20040-7847 HJ 5149B sep 27.6 P.A. 173.10 mag 9.7 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 20040-7847 (HD 188230) : ALADIN DSS IMAGE @ 20h 04m 00.69s -78° 46' 45.7"
 
 
 
 
WDS 20040-7847 HJ 5149 (HD 188230) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20040-7847 HJ 5149 distance=0' 20056-7842 RST3244 distance=7' 20103-7907 HJ 5153 distance=27' 20172-7849 RST3249 distance=39' 20206-7904 UC 4152 distance=51' 19490-7926 HJ 5126 distance=58' 19461-7810 TDT1720 distance=66' 19588-8001 TSN 33 distance=76' 19504-7742 LDS 684 distance=78' 19445-7945 UC 4016 distance=80' 20205-8007 TDT2191 distance=93' 20129-8052 KPP 463 distance=127' 19564-7628 TDT1864 distance=142' 20214-8117 I 1044 distance=157' 20005-8123 KPP2485 distance=157' 20194-7608 RSS 546 distance=167' 20010-8134 HDS2852AB distance=168' 19594-7557 UC 4061 distance=171' 20060-7533 TDT1974 distance=195' 20042-7526 RSS 539 distance=201' 20179-7526 KPP 560 distance=207' 20019-7506 RST3243 distance=221' 20169-7449 I 1045 distance=242' 20096-8248 SHY 766 distance=242' 20077-7435 HJ 5158 distance=253' 20235-8345 UC 4164 distance=302' 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 20040-7847 HJ 5149 148 32.2
Show 20056-7842 RST3244 265 0.4 7
Show 20103-7907 HJ 5153 125 47.2 27
Show 20172-7849 RST3249 311 0.4 39
Show 20206-7904 UC 4152 78 64.5 51
Show 19490-7926 HJ 5126 325 6.6 58
Show 19461-7810 TDT1720 266 0.6 66
Show 19588-8001 TSN 33 258 6.7 76
Show 19504-7742 LDS 684 357 24.0 78
Show 19445-7945 UC 4016 84 20.4 80
Show 20205-8007 TDT2191 240 0.5 93
Show 20129-8052 KPP 463 207 3.7 127
Show 19564-7628 TDT1864 344 1.5 142
Show 20214-8117 I 1044 21 0.7 157
Show 20005-8123 KPP2485 287 22.3 157
Show 20194-7608 RSS 546 127 22.7 167
Show 20010-8134 HDS2852 AB 41 1.9 168
Show 19594-7557 UC 4061 271 19.1 171
Show 20060-7533 TDT1974 118 0.5 195
Show 20042-7526 RSS 539 274 21.8 201
Show 20179-7526 KPP 560 235 5.3 207
Show 20019-7506 RST3243 154 1.0 221
Show 20169-7449 I 1045 289 1.1 242
Show 20096-8248 SHY 766 223 999.9 242
Show 20077-7435 HJ 5158 145 12.1 253
Show 20235-8345 UC 4164 349 51.3 302

 
 
WDS 20040-7847 : COMPONENTS
 
 
  A
B pa=173.1°
sep=27.63"
 
 
20040-7847 A
 
 
Componente originario normalizzato AB Name HD 188230 Coord arcsec 2000 200400.69-784645.7 Mag 8.2
Spectral class A0V (white) PmRA 3.00 PmDE -18.0 SAO 257762
HIP 98806 Tycho2 9468-01227-1 HD 188230 GC 27673
CP CP-79 1050
Tycho2
Tycho2 9468-01227-1 Pflag RAmdeg 301.00287893 DEmdeg -78.77937001
PmRA 3.6 PmDE -18.0 E RAmdeg 5 E DEmdeg 5
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.27 EpDEm 1991.33
Num 13 Q RAmdeg 1.4 Q DEmdeg 0.6 Q pmRA 1.3
Q pmDE 0.6 BTmag 8.366 E BTmag 0.016 VTmag 8.201
E VTmag 0.012 Prox 322 TYC T HIP 98806
CCDM RAdeg 301.00283611 DEdeg -78.77932889 EpRA 1990 1.72
EpDE 1990 1.77 E RAdeg 5.2 E DEdeg 5.0 Posflg
Corr 0.1
SAO
SAO 257762 DelFlag RA1950 PmRA1950 -0.0003
DE1950 PmDE1950 -0.013 Vmag 8.2 SpType A0
Double code Source 70 CatNum 27673 DM CP-79 1050
DMcomp BDsup HD 188230 M HD 0
GC 27673 RA1950rad 5.22096096 DE1950rad -1.37739125 PmRA2000 -0.0034
PmDE2000 -0.018
Hipparcos
Catalog H HIP 98806 Proxy RAhms 20 04 00.68
DEdms -78 46 45.6 Vmag 8.22 VarFlag R Vmag G
RAdeg 301.003 DEdeg -78.7793 AstroRef Plx 5.3
CCDM 20041-7847 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 188230 BD
CD CP CP-79 1050 Dm number -79 1050 VIred 0.19
SpType A0V R SpType Coord arcsec 2000 200400.68-784645.6
Hipparcos 2
HIP 98806 Sn 5 So 0 Nc 1
RArad 5.2534905658 DErad -1.3749585404 Plx 4.52 PmRA 3.15
PmDE -16.88 E RArad 0.63 E DErad 0.6 E Plx 0.91
E pmRA 0.77 E pmDE 0.78 Hpmag 8.2552 E Hpmag 0.0019
SHp 0.018 VA 0 BV 0.175 E BV 0.015
VI 0.19
 
 
20040-7847 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 200401.82-784713.1 Mag 9.7 PmRA 2.00
PmDE -18.0 Calc delta mag 1.5 Calc coord yes