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Doubles in session


Current system
21397-4820
CPO 624 AB,C
HD 205875


Nearby doubles
23' : 21415-4808
HDS3088

33' : 21429-4826
RST5556

42' : 21392-4739
KPP2143

47' : 21395-4733
TDT3085

49' : 21349-4830
KPP2102

54' : 21395-4913
TDT3086

57' : 21445-4751
UC 4544

58' : 21389-4917
RST1100

63' : 21416-4920
SKF1101

72' : 21325-4818
BRT1120

73' : 21366-4714
TDT3058

80' : 21330-4738
HU 1538

80' : 21392-4939
RST1101

80' : 21323-4851
RST5553

85' : 21452-4925
TDT3137AB

88' : 21310-4822
HJ 5273

93' : 21484-4851
HU 1541

94' : 21480-4736
LDS 755

98' : 21403-4642
KPP 924

99' : 21487-4901
TDT3166

100' : 21474-4924
UC 4564

100' : 21494-4759
SKF1175

101' : 21487-4737
DAM 638

106' : 21360-4641
HDS3074

107' : 21483-4718
BSO 15

110' : 21466-4656
BRT1124



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.

21397-4820 CPO 624 AB,C (HD 205875)

 
 
21h 39m 40.62s -48° 19' 59.5" P.A. 197.00 sep 7.3 mag 9.95,12.30 Sp F6/8V
 
 
Coord 2000 21397-4820 Discov num CPO 624 Comp AB,C Coord arcsec 2000 21 39 40.62 -48 19 59.5
Date first 1904 Date last 2016 Obs 8
Pa first 193 Pa last 196.9 P.A. Now (θ) 196.9°
Sep first 8.0 Sep last 7.288 Sep. Now (ρ) 7.288"
Mag pri 9.95 Mag sec 12.30 delta mag (ΔM) 2.35 Spectral class F6/8V (yellow-white)
Pri motion ra +000 Sec motion ra -006
Pri motion dec -024 Sec motion dec -041
Notes
rPM=0.435
Nature of this double is uncertain.
 
 
21397-4820 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 230775 21 39 41 -48 19 60 I 1445 AB 2021 9 108 0.1 10.40 11.00 0.60
Show HD 205875 230775 21 39 41 -48 19 60 CPO 624 AB,C 2016 8 197 7.3 9.95 12.30 2.35 <===
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 205875 Constellation Grus SAO 230775 Tycho2 8428-01114-1
Gaia DR2 6562665261845891840 HD 205875
 
 
WDS 21397-4820 CPO 624 AB,C (HD 205875) : 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CpO9999 Unpublished, manuscript or reference not found.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
21397-4820 CPO 624 AB,C 1999 6 197 7.4 9.95 12.30 D 213940.62-481959.5
21397-4820 CPO 624 AB,C 2016 8 197 7.3 9.95 12.30 F6/8V 213940.62-481959.5

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

 
 
WDS 21397-4820 CPO 624 AB,C (HD 205875) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21397-4820 CPO 624 AB,C (HD 205875) : MEASURES
 
 
No records found.

 
 
WDS 21397-4820 (HD 205875) : VIRTUAL EYEPIECE
 
 

21397-4820 I 1445A mag 10.4 Sp F6/8V 21397-4820 I 1445B sep 0.1 P.A. 115.40 mag 11 21397-4820 CPO 624C sep 7.1 P.A. 191.40 mag 12.3 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 21397-4820 (HD 205875) : ALADIN DSS IMAGE @ 21h 39m 40.62s -48° 19' 59.5"
 
 
 
 
WDS 21397-4820 CPO 624 AB,C (HD 205875) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21397-4820 CPO 624AB,C distance=0' 21415-4808 HDS3088 distance=23' 21429-4826 RST5556 distance=33' 21392-4739 KPP2143 distance=42' 21395-4733 TDT3085 distance=47' 21349-4830 KPP2102 distance=49' 21395-4913 TDT3086 distance=54' 21445-4751 UC 4544 distance=57' 21389-4917 RST1100 distance=58' 21416-4920 SKF1101 distance=63' 21325-4818 BRT1120 distance=72' 21366-4714 TDT3058 distance=73' 21330-4738 HU 1538 distance=80' 21392-4939 RST1101 distance=80' 21323-4851 RST5553 distance=80' 21452-4925 TDT3137AB distance=85' 21310-4822 HJ 5273 distance=88' 21484-4851 HU 1541 distance=93' 21480-4736 LDS 755 distance=94' 21403-4642 KPP 924 distance=98' 21487-4901 TDT3166 distance=99' 21474-4924 UC 4564 distance=100' 21494-4759 SKF1175 distance=100' 21487-4737 DAM 638 distance=101' 21360-4641 HDS3074 distance=106' 21483-4718 BSO 15 distance=107' 21466-4656 BRT1124 distance=110' 21364-5007 RST1097 distance=112' 21418-5010 TDT3112 distance=113' 21318-4701 RST3287 distance=113' 21337-4959 RST1094 distance=116' 21511-4858 NSN 464 distance=120' 21396-4619 HDS3082 distance=121' 21275-4756 RSS 560 distance=124' 21326-5003 TDT3021 distance=125' 21408-4611 HU 1540 distance=130' 21512-4708 BRT1125 distance=133' 21473-5011 TDS1145 distance=134' 21533-4826 BRT1126 distance=136' 21449-5028 TDT3134 distance=138' 21536-4823 BRT1127 distance=139' 21536-4844 WIS 355 distance=140' 21256-4833 CPO9301 distance=142' 21254-4814 UC 4467 distance=143' 21348-4559 FIN 15 distance=150' 21547-4831 LDS6366 distance=150' 21449-5042 KPP2577 distance=152' 21418-4545 HDS3089 distance=156' 21342-5048 UC 4498 distance=158' 21505-4618 TOI2312 distance=165' 21533-4650 FIN 374 distance=165' 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 21397-4820 I 1445 AB 108 0.1
Show 21397-4820 CPO 624 AB,C 197 7.3
Show 21415-4808 HDS3088 111 12.7 23
Show 21429-4826 RST5556 290 0.5 33
Show 21392-4739 KPP2143 36 17.5 42
Show 21395-4733 TDT3085 51 0.4 47
Show 21349-4830 KPP2102 356 17.0 49
Show 21395-4913 TDT3086 93 1.3 54
Show 21445-4751 UC 4544 302 6.7 57
Show 21389-4917 RST1100 88 1.1 58
Show 21416-4920 SKF1101 273 162.4 63
Show 21325-4818 BRT1120 221 4.1 72
Show 21366-4714 TDT3058 216 0.5 73
Show 21330-4738 HU 1538 308 1.5 80
Show 21392-4939 RST1101 214 0.6 80
Show 21323-4851 RST5553 2 0.4 80
Show 21452-4925 TDT3137 AB 248 0.4 85
Show 21310-4822 HJ 5273 95 6.9 88
Show 21484-4851 HU 1541 96 5.4 93
Show 21480-4736 LDS 755 237 135.5 94
Show 21403-4642 KPP 924 105 7.6 98
Show 21487-4901 TDT3166 259 0.6 99
Show 21474-4924 UC 4564 160 7.9 100
Show 21494-4759 SKF1175 307 5.6 100
Show 21487-4737 DAM 638 17 13.7 101
Show 21360-4641 HDS3074 340 11.4 106
Show 21483-4718 BSO 15 350 79.0 107
Show 21466-4656 BRT1124 138 4.3 110
Show 21364-5007 RST1097 42 0.8 112
Show 21418-5010 TDT3112 90 0.5 113
Show 21318-4701 RST3287 331 1.2 113
Show 21337-4959 RST1094 197 0.3 116
Show 21511-4858 NSN 464 132 2.5 120
Show 21396-4619 HDS3082 216 0.2 121
Show 21275-4756 RSS 560 19 7.8 124
Show 21326-5003 TDT3021 326 0.5 125
Show 21408-4611 HU 1540 309 3.2 130
Show 21512-4708 BRT1125 222 5.7 133
Show 21473-5011 TDS1145 96 1.0 134
Show 21533-4826 BRT1126 242 4.9 136
Show 21449-5028 TDT3134 13 1.1 138
Show 21536-4823 BRT1127 290 3.6 139
Show 21536-4844 WIS 355 293 591.4 140
Show 21256-4833 CPO9301 67 4.2 142
Show 21254-4814 UC 4467 248 9.5 143
Show 21348-4559 FIN 15 275 6.2 150
Show 21547-4831 LDS6366 265 3.8 150
Show 21449-5042 KPP2577 359 23.3 152
Show 21418-4545 HDS3089 233 0.3 156
Show 21342-5048 UC 4498 299 10.1 158
Show 21505-4618 TOI2312 135 0.1 165

 
 
WDS 21397-4820 : COMPONENTS
 
 
  A B
B pa=115.4°
sep=0.06"
 
C pa=191.4°
sep=7.11"
pa=191.9°
sep=7.10"
 
 
21397-4820 A
 
 
Coord arcsec 2000 213940.62-481959.5 Mag 10.4 Spectral class F6/8V (yellow-white) PmRA -16.00
PmDE -25.0 SAO 230775 Tycho2 8428-01114-1 HD 205875
DM CP-4810616
Tycho2
Tycho2 8428-01114-1 Pflag RAmdeg 324.91928116 DEmdeg -48.33321296
PmRA -0.1 PmDE -27.9 E RAmdeg 15 E DEmdeg 17
E pmRA 1.3 E pmDE 1.2 EpRAm 1987.96 EpDEm 1986.44
Num 6 Q RAmdeg 0.8 Q DEmdeg 1.1 Q pmRA 0.8
Q pmDE 1.2 BTmag 10.478 E BTmag 0.030 VTmag 9.953
E VTmag 0.027 Prox 999 TYC T HIP
CCDM RAdeg 324.91928250 DEdeg -48.33314778 EpRA 1990 1.65
EpDE 1990 1.78 E RAdeg 16.1 E DEdeg 18.0 Posflg
Corr -0.3
SAO
SAO 230775 DelFlag RA1950 PmRA1950 -0.0007
DE1950 PmDE1950 -0.044 Vmag 10.5 SpType G0
Double code Source 48 CatNum 19493 DM CP-4810616
DMcomp BDsup HD 205875 M HD 1
GC RA1950rad 5.65652706 DE1950rad -0.84756619 PmRA2000 -0.0008
PmDE2000 -0.049
CCDM
Ccdm 21397-4820 RComp Comp A Note1
Note2 Discov num DRAs -1.27 DDEs 4.4
R dRAs 10 Year Theta Rho
Obs 3 Vmag 10.1 Sp G0 PmNote
PmRA PmDE Dm number -4813964 Cat1 CD
Name2 Cat2 HD 205875 M HD
ADS BDS M ADS BDS N IDS IDS 21331S4847A
HIC
 
 
21397-4820 B
 
 
Coord arcsec 2000 213940.63-481959.5 Mag 11 Calc delta mag 0.6 Calc coord yes
CCDM
Ccdm 21397-4820 RComp Comp B Note1
Note2 Discov num I 1445 DRAs DDEs
R dRAs Year 1926 Theta 206 Rho 0.4
Obs 4 Vmag 10.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 21331S4847B
HIC
 
 
21397-4820 C
 
 
Coord arcsec 2000 213940.48-482006.5 Mag 12.3 PmRA -6.00 PmDE -41.0
Calc delta mag 1.9 Calc coord yes
CCDM
Ccdm 21397-4820 RComp Comp C Note1
Note2 Discov num CPO DRAs -1.55 DDEs -5.3
R dRAs 10 Year 1930 Theta 196 Rho 7.4
Obs 1 Vmag 12.0 Sp PmNote *
PmRA -7 PmDE -44 Dm number Cat1
Name2 230775 Cat2 SAO HD M HD
ADS BDS M ADS BDS N IDS IDS 21331S4847C
HIC