18021-6227 I 618 AB (HD 163785)

 
 
18h 02m 07.32s -62° 26' 51.5" P.A. 353.00 sep 3.2 mag 8.98,11.49 Sp G8/K0III dist. 390.63 pc (1274.24 l.y.)
 
 
Coord 2000 18021-6227 Discov num I   618 Comp AB Coord arcsec 2000 18 02 07.32 -62 26 51.5
Date first 1909 Date last 2020 Obs 7
Pa first 0 Pa last 353.1 P.A. Now (θ) 353.1°
Sep first 1.7 Sep last 3.208 Sep. Now (ρ) 3.208"
Mag pri 8.98 Mag sec 11.49 delta mag (ΔM) 2.51 Spectral class G8/K0III (yellow)
Pri motion ra -002 Sec motion ra +000
Pri motion dec -032 Sec motion dec -024
Notes
rPM=0.257 (< 0.3, Physical double)
This double is physical.
 
 
18021-6227 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 163785 254112 18 02 07 -62 26 52 I 618 AB 2020 7 353 3.2 8.98 11.49 2.51 <===
Show 254112 18 02 07 -62 26 52 I 618 AC 2020 7 34 23.5 8.98 11.50 2.52
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 163785 Constellation Pavo SAO 254112 HIP 88311
Tycho2 9059-01352-1 Gaia DR2 6634088055420510976 HD 163785 CP CP-62 5770
Distance 390.63 Distance ly 1274.24
 
 
WDS 18021-6227 I 618 AB (HD 163785) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
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
18021-6227 I 618 AB 1991 5 353 3.4 8.98 11.49 G8/K0III 180207.32-622651.5
18021-6227 I 618 AB 2020 6 353 3.2 8.98 11.49 G8/K0III 180207.32-622651.5

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

 
 
WDS 18021-6227 I 618 AB (HD 163785) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18021-6227 I 618 AB (HD 163785) : MEASURES
 
 
No records found.

 
 
WDS 18021-6227 (HD 163785) : VIRTUAL EYEPIECE
 
 

18021-6227 I   618A mag 8.98 Sp G8/K0III 18021-6227 I   618B sep 3.2 P.A. 356.80 mag 11.49 18021-6227 I   618C sep 20.4 P.A. 17.30 mag 11.5 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 18021-6227 (HD 163785) : ALADIN DSS IMAGE @ 18h 02m 07.32s -62° 26' 51.5"
 
 
 
 
WDS 18021-6227 I 618 AB (HD 163785) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


18021-6227  I   618AB distance=0' 18007-6210  HJ 4996 distance=20' 18048-6246  KPP4080 distance=27' 17578-6210  B  2423 distance=35' 18001-6259  UC 3468 distance=36' 18005-6306  UC 3471 distance=41' 18081-6236  UC 3501 distance=43' 18083-6222  KPP3099 distance=44' 18004-6142  RSS 466 distance=47' 18055-6312  RST 959Aa,Ab distance=51' 18055-6312  UC 3491AB distance=51' 17565-6302  SWR 233 distance=53' 18059-6314  RST 960 distance=54' 17547-6244  UC 3442 distance=55' 17556-6156  UC 3448 distance=55' 17555-6259  HJ 4985 distance=56' 18091-6154  LDS 624 distance=59' 18001-6326  TDT 624 distance=61' 18106-6205  UC 3518 distance=64' 18106-6206  LDS 625 distance=65' 17562-6137  RST5095 distance=65' 18045-6124  SWR 235 distance=65' 17542-6143  JSP 738 distance=71' 18013-6339  KPP 408 distance=73' 17514-6226  JAW  44 distance=75' 18125-6200  LDS 626 distance=78' 17593-6342  TDT 612 distance=78' 17551-6331  UC 3445 distance=81' 17585-6350  RST 954 distance=88' 18150-6206  RSS 480 distance=93' 17508-6320  UC 3425 distance=94' 17488-6211  UC 3418 distance=95' 18157-6233  B  1880AB distance=95' 18157-6233  LDS 628AB,C distance=95' 17580-6359  TDT 600 distance=97' 17486-6256  B  1867 distance=98' 18157-6303  HJ 5024 distance=100' 18147-6138  I   628 distance=101' 17509-6123  UC 3426 distance=102' 17469-6253  UC 3404 distance=109' 18143-6341  HDO9002 distance=112' 18123-6355  RST5601AB distance=112' 17468-6315  TDT 504 distance=116' 18105-6047  UC 3516 distance=117' 17499-6107  TDT 524 distance=118' 17594-6028  TDT 616 distance=121' 18191-6257  UC 3552 distance=121' 17526-6043  UC 3435 distance=125' 17473-6114  UC 3407 distance=128' 18201-6155  LDS 635 distance=130' 17478-6105  NSN 372 distance=131' 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 18021-6227 I 618 AB 353 3.2
Show 18021-6227 I 618 AC 34 23.5
Show 18007-6210 HJ 4996 249 5.9 20
Show 18048-6246 KPP4080 57 3.9 27
Show 17578-6210 B 2423 31 0.3 35
Show 18001-6259 UC 3468 317 25.7 36
Show 18005-6306 UC 3471 86 36.8 41
Show 18081-6236 UC 3501 252 83.4 43
Show 18083-6222 KPP3099 262 23.4 44
Show 18004-6142 RSS 466 90 6.1 47
Show 18055-6312 RST 959 Aa,Ab 105 0.4 51
Show 18055-6312 UC 3491 AB 138 44.1 51
Show 17565-6302 SWR 233 142 31.9 53
Show 18059-6314 RST 960 331 1.8 54
Show 17547-6244 UC 3442 238 23.7 55
Show 17556-6156 UC 3448 21 47.2 55
Show 17555-6259 HJ 4985 257 22.8 56
Show 18091-6154 LDS 624 90 19.3 59
Show 18001-6326 TDT 624 244 0.9 61
Show 18106-6205 UC 3518 349 14.9 64
Show 18106-6206 LDS 625 332 25.4 65
Show 17562-6137 RST5095 255 3.1 65
Show 18045-6124 SWR 235 82 15.2 65
Show 17542-6143 JSP 738 144 0.3 71
Show 18013-6339 KPP 408 81 4.7 73
Show 17514-6226 JAW 44 231 30.8 75
Show 18125-6200 LDS 626 217 186.6 78
Show 17593-6342 TDT 612 268 0.4 78
Show 17551-6331 UC 3445 317 56.7 81
Show 17585-6350 RST 954 180 0.6 88
Show 18150-6206 RSS 480 160 10.3 93
Show 17508-6320 UC 3425 145 8.2 94
Show 17488-6211 UC 3418 104 50.3 95
Show 18157-6233 B 1880 AB 249 4.4 95
Show 18157-6233 LDS 628 AB,C 311 662.4 95
Show 17580-6359 TDT 600 267 1.7 97
Show 17486-6256 B 1867 43 5.0 98
Show 18157-6303 HJ 5024 12 45.5 100
Show 18147-6138 I 628 61 1.9 101
Show 17509-6123 UC 3426 101 103.4 102
Show 17469-6253 UC 3404 113 53.4 109
Show 18143-6341 HDO9002 193 19.3 112
Show 18123-6355 RST5601 AB 21 3.2 112
Show 17468-6315 TDT 504 244 2.5 116
Show 18105-6047 UC 3516 63 26.6 117
Show 17499-6107 TDT 524 211 0.6 118
Show 17594-6028 TDT 616 356 2.0 121
Show 18191-6257 UC 3552 153 26.3 121
Show 17526-6043 UC 3435 199 72.8 125
Show 17473-6114 UC 3407 17 51.4 128
Show 18201-6155 LDS 635 215 61.7 130

 
 
WDS 18021-6227 : COMPONENTS
 
 
  A B
B pa=356.8°
sep=3.19"
 
C pa=17.3°
sep=20.39"
pa=20.9°
sep=17.44"
 
 
18021-6227 A
 
 
Name HD 163785 Coord arcsec 2000 180207.32-622651.5 Mag 8.98 Spectral class G8/K0III (yellow)
PmRA -2.00 PmDE -32.0 SAO 254112 HIP 88311
Tycho2 9059-01352-1 HD 163785 CP CP-62 5770
Tycho2
Tycho2 9059-01352-1 Pflag RAmdeg 270.53051312 DEmdeg -62.44772123
PmRA -1.8 PmDE -32.1 E RAmdeg 10 E DEmdeg 12
E pmRA 1.5 E pmDE 1.9 EpRAm 1990.19 EpDEm 1990.64
Num 10 Q RAmdeg 0.6 Q DEmdeg 2.1 Q pmRA 0.7
Q pmDE 2.2 BTmag 10.141 E BTmag 0.026 VTmag 8.977
E VTmag 0.015 Prox 34 TYC T HIP 88311
CCDM A RAdeg 270.53052194 DEdeg -62.44764944 EpRA 1990 1.74
EpDE 1990 1.70 E RAdeg 10.0 E DEdeg 11.8 Posflg
Corr 0.0
SAO
SAO 254112 DelFlag RA1950 PmRA1950 0.0015
DE1950 PmDE1950 -0.001 Vmag 8.8 SpType G5
Double code Source 43 CatNum 5442 DM CP-62 5770
DMcomp BDsup HD 163785 M HD 0
GC RA1950rad 4.70115627 DE1950rad -1.0899024 PmRA2000 0.0004
PmDE2000 -0.002
Hipparcos
Catalog H HIP 88311 Proxy H RAhms 18 02 07.32
DEdms -62 26 51.5 Vmag 8.74 VarFlag R Vmag H
RAdeg 270.531 DEdeg -62.4476 AstroRef A Plx 2.57
CCDM 18021-6227 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 353 Rho 3.435 HD 163785 BD
CD CP CP-62 5770 Dm number -62 5770 VIred 0.99
SpType G8/K0III R SpType Coord arcsec 2000 180207.32-622651.5
Hipparcos 2
HIP 88311 Sn 15 So 3 Nc 2
RArad 4.7216482722 DErad -1.0899170724 Plx 2.56 PmRA -3.53
PmDE -23.05 E RArad 1.1 E DErad 0.88 E Plx 1.51
E pmRA 1.28 E pmDE 0.89 Hpmag 8.9046 E Hpmag 0.0029
SHp 0.022 VA 0 BV 1.021 E BV 0.142
VI 0.99
CCDM
Ccdm 18021-6227 RComp Comp A Note1
Note2 Discov num DRAs 1.44 DDEs 10.4
R dRAs 10 Year Theta Rho
Obs 3 Vmag 9.1 Sp G5 PmNote *
PmRA 10 PmDE -1 Dm number -62 5770 Cat1 CPD
Name2 254112 Cat2 SAO HD 163785 M HD
ADS BDS M ADS BDS N IDS IDS 17527S6226A
HIC 88311
 
 
18021-6227 B
 
 
Coord arcsec 2000 180207.29-622648.3 Mag 11.49 PmRA 0.00 PmDE -24.0
Calc delta mag 2.51 Calc coord yes
CCDM
Ccdm 18021-6227 RComp Comp B Note1
Note2 Discov num I 618 DRAs DDEs
R dRAs Year 1913 Theta 354 Rho 3.4
Obs 2 Vmag 12.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 17527S6226B
HIC 88311
 
 
18021-6227 C
 
 
Coord arcsec 2000 180208.19-622632.0 Mag 11.5 PmRA -28.00 PmDE 17.0
Calc delta mag 2.52 Calc coord yes
CCDM
Ccdm 18021-6227 RComp Comp C Note1
Note2 Discov num I 618 DRAs DDEs
R dRAs Year Theta 045 Rho 10.0
Obs Vmag 11.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 17527S6226C
HIC 88311