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Current system
20476-4534
I 1427
HD 197789


Nearby doubles
32' : 20454-4554
RST1076

63' : 20533-4519
SKF1169

67' : 20465-4639
LDS 721

69' : 20459-4640
RST2156

70' : 20411-4549
SKF1166

71' : 20452-4428
BRT1114

78' : 20495-4649
HU 1331

86' : 20531-4637
SKF1168

90' : 20441-4412
KPP1048AB

91' : 20545-4627
B 508

95' : 20485-4359
DON 992

96' : 20487-4359
DON 993AB

98' : 20548-4636
I 1429AB

105' : 20377-4520
UC 4239

106' : 20568-4452
HDS2984

108' : 20427-4400
KPP3106

108' : 20555-4426
I 1430

116' : 20571-4439
LDS 729

117' : 20469-4730
UC 4285

117' : 20365-4533
I 41

118' : 20385-4425
I 1424

121' : 20372-4445
TOK 369

125' : 20400-4359
DON 990AB

126' : 20369-4630
KPP1368

129' : 20413-4725
CPO 617

134' : 20350-4559
UC 4223



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.

20476-4534 I 1427 (HD 197789)

 
 
20h 47m 35.73s -45° 33' 40.1" P.A. 211.00 sep 0.6 mag 9.58,9.86 Sp F3V dist. 136.99 pc (446.86 l.y.)
 
 
Coord 2000 20476-4534 Discov num I  1427 Comp Coord arcsec 2000 20 47 35.73 -45 33 40.1
Date first 1926 Date last 2008 Obs 10
Pa first 222 Pa last 210.5 P.A. Now (θ) 210.5°
Sep first 0.4 Sep last 0.59 Sep. Now (ρ) 0.59"
Mag pri 9.58 Mag sec 9.86 delta mag (ΔM) 0.28 Spectral class F3V (yellow-white)
Pri motion ra +023 Sec motion ra +023
Pri motion dec +019 Sec motion dec +019
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 197789 Constellation Indus SAO 230373 HIP 102604
Tycho2 8407-00340-1 Gaia DR2 6482901912362564096 HD 197789 CD CD-4613700
CP CP-4610075 Distance 136.99 Distance ly 446.86
 
 
WDS 20476-4534 I 1427 (HD 197789) : 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
20476-4534 I 1427 1991 9 215 0.6 9.58 9.86 F3V D 204735.73-453340.1
20476-4534 I 1427 2008 10 211 0.6 9.58 9.86 F3V D 204735.73-453340.1

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

 
 
WDS 20476-4534 I 1427 (HD 197789) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20476-4534 I 1427 (HD 197789) : MEASURES
 
 
No records found.

 
 
WDS 20476-4534 (HD 197789) : VIRTUAL EYEPIECE
 
 

20476-4534 I 1427A mag 9.58 Sp F3V 20476-4534 I 1427B sep 0.6 P.A. 202.40 mag 9.86 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 20476-4534 (HD 197789) : ALADIN DSS IMAGE @ 20h 47m 35.73s -45° 33' 40.1"
 
 
 
 
WDS 20476-4534 I 1427 (HD 197789) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20476-4534 I 1427 distance=0' 20454-4554 RST1076 distance=32' 20533-4519 SKF1169 distance=63' 20465-4639 LDS 721 distance=67' 20459-4640 RST2156 distance=69' 20411-4549 SKF1166 distance=70' 20452-4428 BRT1114 distance=71' 20495-4649 HU 1331 distance=78' 20531-4637 SKF1168 distance=86' 20441-4412 KPP1048AB distance=90' 20545-4627 B 508 distance=91' 20485-4359 DON 992 distance=95' 20487-4359 DON 993AB distance=96' 20487-4359 HJ 5222AC distance=96' 20548-4636 I 1429AB distance=98' 20377-4520 UC 4239 distance=105' 20568-4452 HDS2984 distance=106' 20427-4400 KPP3106 distance=108' 20555-4426 I 1430 distance=108' 20571-4439 LDS 729 distance=116' 20469-4730 UC 4285 distance=117' 20365-4533 I 41 distance=117' 20385-4425 I 1424 distance=118' 20372-4445 TOK 369 distance=121' 20400-4359 DON 990AB distance=125' 20400-4359 DON 990AC distance=125' 20369-4630 KPP1368 distance=126' 20413-4725 CPO 617 distance=129' 20350-4559 UC 4223 distance=134' 21004-4519 HU 1533 distance=136' 20485-4750 TDT2554 distance=138' 20391-4345 LDS 717 distance=142' 20578-4402 DON 995 distance=143' 20376-4717 HJ 5209AB (Al nair) distance=147' 20376-4717 HJ 5209AC (Al nair) distance=147' 20336-4457 KPP 626 distance=153' 21008-4429 TDT2693 distance=155' 20402-4749 UC 4252 distance=156' 20339-4431 I 127BC distance=158' 20583-4345 I 1048 distance=158' 20339-4431 I 127AB distance=158' 20339-4431 DAM 325AD distance=158' 20339-4431 DAM 325AE distance=158' 20327-4558 UC 4211 distance=158' 21011-4426 HJ 5238 distance=159' 21017-4431 TOK 800 distance=163' 20322-4521 RST5470AB distance=163' 20322-4521 HJ 5204AB,C distance=163' 20417-4253 TDT2475 distance=173' 21030-4643 SKF1099 distance=175' 20421-4825 SKF1167 distance=179' 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 20476-4534 I 1427 211 0.6
Show 20454-4554 RST1076 287 1.0 32
Show 20533-4519 SKF1169 224 95.9 63
Show 20465-4639 LDS 721 215 6.7 67
Show 20459-4640 RST2156 245 0.6 69
Show 20411-4549 SKF1166 147 20.8 70
Show 20452-4428 BRT1114 65 5.6 71
Show 20495-4649 HU 1331 194 0.9 78
Show 20531-4637 SKF1168 231 16.9 86
Show 20441-4412 KPP1048 AB 183 8.4 90
Show 20545-4627 B 508 281 2.3 91
Show 20485-4359 DON 992 291 5.2 95
Show 20487-4359 DON 993 AB 332 12.2 96
Show 20487-4359 HJ 5222 AC 271 28.6 96
Show 20548-4636 I 1429 AB 147 1.1 98
Show 20377-4520 UC 4239 226 11.9 105
Show 20568-4452 HDS2984 239 0.8 106
Show 20427-4400 KPP3106 232 2.5 108
Show 20555-4426 I 1430 29 1.4 108
Show 20571-4439 LDS 729 106 220.3 116
Show 20469-4730 UC 4285 90 20.0 117
Show 20365-4533 I 41 356 2.3 117
Show 20385-4425 I 1424 226 2.4 118
Show 20372-4445 TOK 369 245 0.5 121
Show 20400-4359 DON 990 AB 39 0.3 125
Show 20400-4359 DON 990 AC 292 7.0 125
Show 20369-4630 KPP1368 296 10.3 126
Show 20413-4725 CPO 617 165 4.8 129
Show 20350-4559 UC 4223 99 51.7 134
Show 21004-4519 HU 1533 51 4.3 136
Show 20485-4750 TDT2554 162 2.3 138
Show 20391-4345 LDS 717 308 22.2 142
Show 20578-4402 DON 995 252 2.0 143
Show Al nair 20376-4717 HJ 5209 AB 206 69.2 147
Show Al nair 20376-4717 HJ 5209 AC 336 57.5 147
Show 20336-4457 KPP 626 123 5.7 153
Show 21008-4429 TDT2693 106 1.8 155
Show 20402-4749 UC 4252 317 5.7 156
Show 20339-4431 I 127 BC 209 0.6 158
Show 20583-4345 I 1048 137 1.6 158
Show 20339-4431 I 127 AB 50 62.3 158
Show 20339-4431 DAM 325 AD 91 49.9 158
Show 20339-4431 DAM 325 AE 101 70.0 158
Show 20327-4558 UC 4211 347 28.6 158
Show 21011-4426 HJ 5238 192 36.9 159
Show 21017-4431 TOK 800 210 0.5 163
Show 20322-4521 RST5470 AB 125 0.2 163
Show 20322-4521 HJ 5204 AB,C 35 6.2 163
Show 20417-4253 TDT2475 303 1.0 173
Show 21030-4643 SKF1099 137 6.0 175
Show 20421-4825 SKF1167 253 84.3 179

 
 
WDS 20476-4534 : COMPONENTS
 
 
  A
B pa=202.4°
sep=0.55"
 
 
20476-4534 A
 
 
Componente originario normalizzato AB Name HD 197789 Coord arcsec 2000 204735.73-453340.1 Mag 9.58
Spectral class F3V (yellow-white) PmRA 23.00 PmDE 19.0 SAO 230373
HIP 102604 Tycho2 8407-00340-1 HD 197789 CD CD-4613700
CP CP-4610075
Tycho2
Tycho2 8407-00340-1 Pflag RAmdeg 311.89881434 DEmdeg -45.56120254
PmRA 23.1 PmDE 19.3 E RAmdeg 10 E DEmdeg 11
E pmRA 1.1 E pmDE 1.1 EpRAm 1989.03 EpDEm 1988.67
Num 7 Q RAmdeg 1.5 Q DEmdeg 2.3 Q pmRA 1.5
Q pmDE 2.3 BTmag 9.557 E BTmag 0.023 VTmag 9.078
E VTmag 0.020 Prox 999 TYC T HIP 102604
CCDM AB RAdeg 311.89874083 DEdeg -45.56124694 EpRA 1990 1.79
EpDE 1990 1.60 E RAdeg 10.7 E DEdeg 12.4 Posflg P
Corr -0.2
SAO
SAO 230373 DelFlag RA1950 PmRA1950 0.0026
DE1950 PmDE1950 0.015 Vmag 9 SpType F0
Double code Source 48 CatNum 18998 DM CP-4610075
DMcomp BDsup HD 197789 M HD 0
GC RA1950rad 5.42874479 DE1950rad -0.79841718 PmRA2000 0.0026
PmDE2000 0.011
Hipparcos
Catalog H HIP 102604 Proxy H RAhms 20 47 35.71
DEdms -45 33 40.3 Vmag 8.97 VarFlag R Vmag H
RAdeg 311.899 DEdeg -45.5612 AstroRef A Plx 8.17
CCDM 20476-4534 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 213 Rho 0.578 HD 197789 BD
CD CD-4613700 CP CP-4610075 Dm number -4613700 VIred 0.6
SpType F3V R SpType Coord arcsec 2000 204735.71-453340.3
Hipparcos 2
HIP 102604 Sn 15 So 3 Nc 2
RArad 5.4436607373 DErad -0.7951927874 Plx 7.3 PmRA 23.53
PmDE 19.01 E RArad 1.88 E DErad 2.25 E Plx 2.24
E pmRA 3.54 E pmDE 3.8 Hpmag 9.0835 E Hpmag 0.0021
SHp 0.018 VA 0 BV 0.531 E BV 0.008
VI 0.6
CCDM
Ccdm 20476-4534 RComp Comp A Note1
Note2 Discov num DRAs -0.27 DDEs 19.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.9 Sp F0 PmNote *
PmRA 27 PmDE 15 Dm number -4613700 Cat1 CD
Name2 230373 Cat2 SAO HD 197789 M HD
ADS BDS M ADS BDS N IDS IDS 20407S4556A
HIC 102604
 
 
20476-4534 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204735.71-453340.6 Mag 9.86 PmRA 23.00
PmDE 19.0 Calc delta mag 0.28 Calc coord yes
CCDM
Ccdm 20476-4534 RComp Comp B Note1
Note2 Discov num I 1427 DRAs DDEs
R dRAs Year 1926 Theta 223 Rho 0.5
Obs 5 Vmag 10.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20407S4556B
HIC 102604