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Doubles in session


Current system
18334-4240
CPO 82 AB
HD 170801


Nearby doubles
24' : 18341-4218
DON 910

39' : 18368-4233
CRI 20

39' : 18309-4307
BRT1061

40' : 18298-4241
BRT1059

41' : 18312-4312
DAM 677

43' : 18323-4159
CPO9268

43' : 18295-4243
DON 904

44' : 18329-4156
B 2453

44' : 18297-4221
BRT1060

48' : 18314-4322
CPO 81AB

50' : 18289-4246
CPO9267

52' : 18302-4202
CPO 587

52' : 18370-4207
I 1374

54' : 18382-4240
CPO 595

58' : 18385-4247
DON 915

63' : 18293-4157
B 2449

64' : 18300-4149
TDT 915

65' : 18287-4318
DON 903

69' : 18312-4344
I 1369

70' : 18366-4140
RST2067

72' : 18378-4148
BRT1071

73' : 18270-4223
BRT1055

73' : 18367-4137
CPO 593

73' : 18269-4228
BRT1054

75' : 18345-4127
RST2063

76' : 18300-4134
RST2058



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.

18334-4240 CPO 82 AB (HD 170801)

 
 
18h 33m 23.23s -42° 39' 36.3" P.A. 45.00 sep 5.9 mag 9.78,10.30 Sp F8
 
 
Coord 2000 18334-4240 Discov num CPO  82 Comp AB Coord arcsec 2000 18 33 23.23 -42 39 36.3
Date first 1901 Date last 2016 Obs 14
Pa first 46 Pa last 44.6 P.A. Now (θ) 44.6°
Sep first 6.1 Sep last 5.897 Sep. Now (ρ) 5.897"
Mag pri 9.78 Mag sec 10.30 delta mag (ΔM) 0.52 Spectral class F8 (yellow-white)
Pri motion ra +001 Sec motion ra
Pri motion dec -057 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
18334-4240 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 170801 229110 18 33 23 -42 39 36 CPO 82 AB 2016 14 45 5.9 9.78 10.30 0.52 <===
Show 229110 18 33 23 -42 39 36 I 9020 AC 2015 5 74 25.1 9.78 12.50 2.72
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 170801 Constellation Corona Austrina SAO 229110 Tycho2 7910-01386-1
Gaia DR2 6722090599593527040 HD 170801 DM CP-42 8421
 
 
WDS 18334-4240 CPO 82 AB (HD 170801) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
CpO1906 - Cape Observatory .
CpO1906 Cape Obs - Henderson, 1906
CpO1938 P+ - Cape Observatory .
CpO1938 +T Cape Obs (1822-1938 data)
CpO9999 T - Cape Observatory ...................
CpO9999 Unpublished, manuscript or reference not found.
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
18334-4240 CPO 82 AB 1999 10 45 5.9 9.78 10.30 F8 D 183323.23-423936.3
18334-4240 CPO 82 AB 2015 12 45 5.9 9.78 10.30 F8 183323.23-423936.3
18334-4240 CPO 82 AB 2016 14 45 5.9 9.78 10.30 F8 183323.23-423936.3

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

 
 
WDS 18334-4240 CPO 82 AB (HD 170801) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18334-4240 CPO 82 AB (HD 170801) : MEASURES
 
 
No records found.

 
 
WDS 18334-4240 (HD 170801) : VIRTUAL EYEPIECE
 
 

18334-4240 CPO 82A mag 9.78 Sp F8 18334-4240 CPO 82B sep 5.2 P.A. 35.90 mag 10.3 18334-4240 I 9020C sep 19.0 P.A. 69.20 mag 12.5 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 18334-4240 (HD 170801) : ALADIN DSS IMAGE @ 18h 33m 23.23s -42° 39' 36.3"
 
 
 
 
WDS 18334-4240 CPO 82 AB (HD 170801) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18334-4240 CPO 82AB distance=0' 18341-4218 DON 910 distance=24' 18368-4233 CRI 20 distance=39' 18309-4307 BRT1061 distance=39' 18298-4241 BRT1059 distance=40' 18312-4312 DAM 677 distance=41' 18323-4159 CPO9268 distance=43' 18295-4243 DON 904 distance=43' 18329-4156 B 2453 distance=44' 18297-4221 BRT1060 distance=44' 18314-4322 CPO 81AB distance=48' 18314-4322 CPO 81AC distance=48' 18289-4246 CPO9267 distance=50' 18302-4202 CPO 587 distance=52' 18370-4207 I 1374 distance=52' 18382-4240 CPO 595 distance=54' 18385-4247 DON 915 distance=58' 18293-4157 B 2449 distance=63' 18300-4149 TDT 915 distance=64' 18287-4318 DON 903 distance=65' 18312-4344 I 1369 distance=69' 18366-4140 RST2067 distance=70' 18378-4148 BRT1071 distance=72' 18270-4223 BRT1055 distance=73' 18367-4137 CPO 593 distance=73' 18269-4228 BRT1054 distance=73' 18345-4127 RST2063 distance=75' 18300-4134 RST2058 distance=76' 18341-4358 BRT1064 distance=79' 18274-4154 TDT 883 distance=81' 18390-4336 BRT1073AB distance=84' 18390-4336 DAM 113AC distance=84' 18308-4358 DON 905 distance=84' 18402-4200 UC 3634 distance=86' 18411-4227 TDS 932 distance=86' 18404-4320 SKF1149 distance=88' 18285-4129 BRT1058AB distance=88' 18285-4129 BRT1058Aa,Ab distance=88' 18362-4402 BRT1068 distance=89' 18412-4210 I 250 distance=92' 18332-4413 CPO9269 distance=94' 18387-4127 HJ 5052 distance=94' 18408-4330 DON 918 distance=96' 18421-4237 UC 3645 distance=96' 18400-4137 I 1377 distance=97' 18364-4419 TSN 50 distance=105' 18251-4148 BRT1050 distance=106' 18325-4425 DON 908 distance=106' 18359-4426 HDS2638 distance=110' 18233-4247 COO 224 distance=112' 18352-4048 CPO 591 distance=113' 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 18334-4240 CPO 82 AB 45 5.9
Show 18334-4240 I 9020 AC 74 25.1
Show 18341-4218 DON 910 143 0.6 24
Show 18368-4233 CRI 20 92 8.4 39
Show 18309-4307 BRT1061 26 9.3 39
Show 18298-4241 BRT1059 23 2.7 40
Show 18312-4312 DAM 677 210 3.5 41
Show 18323-4159 CPO9268 83 5.3 43
Show 18295-4243 DON 904 108 1.2 43
Show 18329-4156 B 2453 256 6.3 44
Show 18297-4221 BRT1060 179 3.2 44
Show 18314-4322 CPO 81 AB 35 12.4 48
Show 18314-4322 CPO 81 AC 110 8.1 48
Show 18289-4246 CPO9267 36 5.6 50
Show 18302-4202 CPO 587 56 4.6 52
Show 18370-4207 I 1374 119 2.2 52
Show 18382-4240 CPO 595 17 3.9 54
Show 18385-4247 DON 915 211 2.5 58
Show 18293-4157 B 2449 269 10.2 63
Show 18300-4149 TDT 915 90 0.8 64
Show 18287-4318 DON 903 149 1.2 65
Show 18312-4344 I 1369 238 4.3 69
Show 18366-4140 RST2067 192 1.6 70
Show 18378-4148 BRT1071 353 3.6 72
Show 18270-4223 BRT1055 81 5.5 73
Show 18367-4137 CPO 593 257 3.7 73
Show 18269-4228 BRT1054 165 3.5 73
Show 18345-4127 RST2063 181 6.3 75
Show 18300-4134 RST2058 38 0.5 76
Show 18341-4358 BRT1064 332 4.4 79
Show 18274-4154 TDT 883 294 0.5 81
Show 18390-4336 BRT1073 AB 285 4.3 84
Show 18390-4336 DAM 113 AC 153 10.2 84
Show 18308-4358 DON 905 53 0.5 84
Show 18402-4200 UC 3634 112 43.8 86
Show 18411-4227 TDS 932 4.0 86
Show 18404-4320 SKF1149 22 42.5 88
Show 18285-4129 BRT1058 AB 178 5.2 88
Show 18285-4129 BRT1058 Aa,Ab 102 0.2 88
Show 18362-4402 BRT1068 141 1.8 89
Show 18412-4210 I 250 110 1.2 92
Show 18332-4413 CPO9269 317 4.0 94
Show 18387-4127 HJ 5052 130 5.7 94
Show 18408-4330 DON 918 130 2.1 96
Show 18421-4237 UC 3645 333 14.3 96
Show 18400-4137 I 1377 81 1.7 97
Show 18364-4419 TSN 50 346 174.9 105
Show 18251-4148 BRT1050 312 2.8 106
Show 18325-4425 DON 908 229 2.3 106
Show 18359-4426 HDS2638 21 7.3 110
Show 18233-4247 COO 224 135 3.0 112

 
 
WDS 18334-4240 : COMPONENTS
 
 
  A B
B pa=35.9°
sep=5.19"
 
C pa=69.2°
sep=18.98"
pa=80.2°
sep=14.92"
 
 
18334-4240 A
 
 
Name HD 170801 Coord arcsec 2000 183323.23-423936.3 Mag 9.78 Spectral class F8 (yellow-white)
PmRA 1.00 PmDE -57.0 SAO 229110 Tycho2 7910-01386-1
HD 170801 DM CP-42 8421
Tycho2
Tycho2 7910-01386-1 Pflag RAmdeg 278.34679901 DEmdeg -42.66009853
PmRA 1.5 PmDE -57.5 E RAmdeg 18 E DEmdeg 23
E pmRA 2.1 E pmDE 1.9 EpRAm 1990.27 EpDEm 1987.56
Num 3 Q RAmdeg 4.8 Q DEmdeg 4.5 Q pmRA 4.8
Q pmDE 4.3 BTmag 10.290 E BTmag 0.036 VTmag 9.784
E VTmag 0.032 Prox 999 TYC T HIP
CCDM RAdeg 278.34679083 DEdeg -42.65997278 EpRA 1990 1.87
EpDE 1990 1.81 E RAdeg 18.3 E DEdeg 25.3 Posflg
Corr 0.0
SAO
SAO 229110 DelFlag RA1950 PmRA1950 0.0018
DE1950 PmDE1950 -0.026 Vmag 9.7 SpType G0
Double code Source 48 CatNum 17484 DM CP-42 8421
DMcomp B BDsup HD 170801 M HD 2
GC RA1950rad 4.84247294 DE1950rad -0.7451915 PmRA2000 0.0018
PmDE2000 -0.027
CCDM
Ccdm 18334-4240 RComp Comp A Note1
Note2 Discov num DRAs -1.03 DDEs 22.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 10.0 Sp G0 PmNote *
PmRA -12 PmDE -61 Dm number -4213375 Cat1 CD
Name2 229109 Cat2 SAO HD 170801 M HD
ADS BDS M ADS BDS N IDS IDS 18262S4244A
HIC
 
 
18334-4240 B
 
 
Coord arcsec 2000 183323.51-423932.1 Mag 10.3 Calc delta mag 0.52 Calc coord yes
CCDM
Ccdm 18334-4240 RComp Comp B Note1
Note2 Discov num CPO 82 DRAs -0.37 DDEs 29.7
R dRAs 10 Year 1947 Theta 044 Rho 5.7
Obs 5 Vmag 10.5 Sp PmNote *
PmRA 20 PmDE -26 Dm number Cat1
Name2 229110 Cat2 SAO HD M HD
ADS BDS M ADS BDS N IDS IDS 18262S4244B
HIC
 
 
18334-4240 C
 
 
Coord arcsec 2000 183324.84-423929.6 Mag 12.5 PmRA -2.00 PmDE -21.0
Calc delta mag 2.72 Calc coord yes