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Current system
20548-4636
I 1429 AB
HD 198828


Nearby doubles
10' : 20545-4627
B 508

18' : 20531-4637
SKF1168

57' : 20495-4649
HU 1331

79' : 20533-4519
SKF1169

85' : 21030-4643
SKF1099

86' : 20596-4746
I 1431

86' : 20465-4639
LDS 721

93' : 20459-4640
RST2156

97' : 21004-4519
HU 1533

97' : 20469-4730
UC 4285

98' : 20476-4534
I 1427

99' : 20485-4750
TDT2554

101' : 20591-4806
RST3273

103' : 21045-4615
TOK 35

104' : 21048-4650
NSN 454

107' : 20568-4452
HDS2984

107' : 20454-4554
RST1076

113' : 20529-4826
CPO9297

120' : 20571-4439
LDS 729

126' : 21041-4758
I 130

126' : 20568-4840
HU 1332

130' : 21064-4548
HU 1333

131' : 20555-4426
I 1430

142' : 21008-4429
TDT2693

145' : 21017-4431
TOK 800

147' : 21011-4426
HJ 5238



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.

20548-4636 I 1429 AB (HD 198828)

 
 
20h 54m 49.22s -46° 36' 02.3" P.A. 147.00 sep 1.1 mag 7.80,8.82 Sp F7V dist. 77.4 pc (252.48 l.y.)
 
 
Coord 2000 20548-4636 Discov num I  1429 Comp AB Coord arcsec 2000 20 54 49.22 -46 36 02.3
Date first 1925 Date last 2016 Obs 18
Pa first 151 Pa last 146.8 P.A. Now (θ) 146.8°
Sep first 0.3 Sep last 1.12 Sep. Now (ρ) 1.12"
Mag pri 7.80 Mag sec 8.82 delta mag (ΔM) 1.02 Spectral class F7V (yellow-white)
Pri motion ra +090 Sec motion ra +090
Pri motion dec -137 Sec motion dec -137
Notes W
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 198828 Constellation Indus SAO 230431 HIP 103230
Tycho2 8408-00804-1 HD 198828 GC 29146 CD CD-4713618
CP CP-47 9598 Distance 77.4 Distance ly 252.48
 
 
WDS 20548-4636 I 1429 AB (HD 198828) : 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
20548-4636 I 1429 AB 2016 17 147 1.1 7.80 8.82 F7V W 205449.22-463602.3

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

 
 
WDS 20548-4636 I 1429 AB (HD 198828) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20548-4636 I 1429 AB (HD 198828) : MEASURES
 
 
No records found.

 
 
WDS 20548-4636 (HD 198828) : VIRTUAL EYEPIECE
 
 

20548-4636 I 1429A mag 7.8 Sp F7V 20548-4636 I 1429B sep 1.0 P.A. 155.80 mag 8.82 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 20548-4636 (HD 198828) : ALADIN DSS IMAGE @ 20h 54m 49.22s -46° 36' 02.3"
 
 
 
 
WDS 20548-4636 I 1429 AB (HD 198828) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20548-4636 I 1429AB distance=0' 20545-4627 B 508 distance=10' 20531-4637 SKF1168 distance=18' 20495-4649 HU 1331 distance=57' 20533-4519 SKF1169 distance=79' 21030-4643 SKF1099 distance=85' 20596-4746 I 1431 distance=86' 20465-4639 LDS 721 distance=86' 20459-4640 RST2156 distance=93' 21004-4519 HU 1533 distance=97' 20469-4730 UC 4285 distance=97' 20476-4534 I 1427 distance=98' 20485-4750 TDT2554 distance=99' 20591-4806 RST3273 distance=101' 21045-4615 TOK 35 distance=103' 21048-4650 NSN 454 distance=104' 20568-4452 HDS2984 distance=107' 20454-4554 RST1076 distance=107' 20529-4826 CPO9297 distance=113' 20571-4439 LDS 729 distance=120' 21041-4758 I 130 distance=126' 20568-4840 HU 1332 distance=126' 21064-4548 HU 1333 distance=130' 20555-4426 I 1430 distance=131' 21008-4429 TDT2693 distance=142' 21017-4431 TOK 800 distance=145' 21011-4426 HJ 5238 distance=147' 20413-4725 CPO 617 distance=147' 20411-4549 SKF1166 distance=150' 20533-4906 TDT2608 distance=151' 21050-4441 KPP3080 distance=157' 20578-4402 DON 995 distance=158' 21081-4520 I 1434 distance=159' 21092-4529 TDT2787 distance=164' 20452-4428 BRT1114 distance=164' 21011-4907 SKF 765 distance=165' 20421-4825 SKF1167 distance=165' 20402-4749 UC 4252 distance=166' 21081-4505 BVD 133 distance=166' 21083-4813 TDT2780 distance=168' 20534-4923 SHY 784AB distance=168' 20487-4359 DON 993AB distance=170' 20487-4359 HJ 5222AC distance=170' 20485-4359 DON 992 distance=171' 20534-4923 SHY 784BC distance=172' 20583-4345 I 1048 distance=175' 20376-4717 HJ 5209AB (Al nair) distance=182' 20376-4717 HJ 5209AC (Al nair) distance=182' 20546-4938 TOK 680AB distance=182' 20546-4938 TOK 680AC distance=182' 20441-4412 KPP1048AB distance=183' 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 20548-4636 I 1429 AB 147 1.1
Show 20545-4627 B 508 281 2.3 10
Show 20531-4637 SKF1168 231 16.9 18
Show 20495-4649 HU 1331 194 0.9 57
Show 20533-4519 SKF1169 224 95.9 79
Show 21030-4643 SKF1099 137 6.0 85
Show 20596-4746 I 1431 0.5 86
Show 20465-4639 LDS 721 215 6.7 86
Show 20459-4640 RST2156 245 0.6 93
Show 21004-4519 HU 1533 51 4.3 97
Show 20469-4730 UC 4285 90 20.0 97
Show 20476-4534 I 1427 211 0.6 98
Show 20485-4750 TDT2554 162 2.3 99
Show 20591-4806 RST3273 49 1.0 101
Show 21045-4615 TOK 35 202 39.9 103
Show 21048-4650 NSN 454 7 9.1 104
Show 20568-4452 HDS2984 239 0.8 107
Show 20454-4554 RST1076 287 1.0 107
Show 20529-4826 CPO9297 304 3.4 113
Show 20571-4439 LDS 729 106 220.3 120
Show 21041-4758 I 130 319 3.3 126
Show 20568-4840 HU 1332 85 3.7 126
Show 21064-4548 HU 1333 319 1.7 130
Show 20555-4426 I 1430 29 1.4 131
Show 21008-4429 TDT2693 106 1.8 142
Show 21017-4431 TOK 800 210 0.5 145
Show 21011-4426 HJ 5238 192 36.9 147
Show 20413-4725 CPO 617 165 4.8 147
Show 20411-4549 SKF1166 147 20.8 150
Show 20533-4906 TDT2608 172 1.1 151
Show 21050-4441 KPP3080 169 8.6 157
Show 20578-4402 DON 995 252 2.0 158
Show 21081-4520 I 1434 335 0.8 159
Show 21092-4529 TDT2787 77 0.5 164
Show 20452-4428 BRT1114 65 5.6 164
Show 21011-4907 SKF 765 340 64.3 165
Show 20421-4825 SKF1167 253 84.3 165
Show 20402-4749 UC 4252 317 5.7 166
Show 21081-4505 BVD 133 246 21.1 166
Show 21083-4813 TDT2780 89 1.7 168
Show 20534-4923 SHY 784 AB 134 348.4 168
Show 20487-4359 DON 993 AB 332 12.2 170
Show 20487-4359 HJ 5222 AC 271 28.6 170
Show 20485-4359 DON 992 291 5.2 171
Show 20534-4923 SHY 784 BC 147 2.8 172
Show 20583-4345 I 1048 137 1.6 175
Show Al nair 20376-4717 HJ 5209 AB 206 69.2 182
Show Al nair 20376-4717 HJ 5209 AC 336 57.5 182
Show 20546-4938 TOK 680 AB 271 5.3 182
Show 20546-4938 TOK 680 AC 333 7.0 182
Show 20441-4412 KPP1048 AB 183 8.4 183

 
 
WDS 20548-4636 : COMPONENTS
 
 
  A
B pa=155.8°
sep=1.03"
 
 
20548-4636 A
 
 
Name HD 198828 Coord arcsec 2000 205449.22-463602.3 Mag 7.8 Spectral class F7V (yellow-white)
PmRA 90.00 PmDE -137.0 SAO 230431 HIP 103230
Tycho2 8408-00804-1 HD 198828 GC 29146 CD CD-4713618
CP CP-47 9598
Tycho2
Tycho2 8408-00804-1 Pflag RAmdeg 313.70509309 DEmdeg -46.60067608
PmRA 90.4 PmDE -136.9 E RAmdeg 5 E DEmdeg 5
E pmRA 1.1 E pmDE 1.0 EpRAm 1991.38 EpDEm 1991.44
Num 11 Q RAmdeg 0.8 Q DEmdeg 1.2 Q pmRA 0.8
Q pmDE 1.2 BTmag 8.148 E BTmag 0.016 VTmag 7.567
E VTmag 0.011 Prox 999 TYC T HIP 103230
CCDM AB RAdeg 313.70479667 DEdeg -46.60037194 EpRA 1990 1.89
EpDE 1990 2.01 E RAdeg 4.6 E DEdeg 5.2 Posflg P
Corr 0.0
SAO
SAO 230431 DelFlag RA1950 PmRA1950 0.0081
DE1950 PmDE1950 -0.129 Vmag 7.5 SpType F8
Double code Source 70 CatNum 29146 DM CD-4713618
DMcomp BDsup HD 198828 M HD 0
GC 29146 RA1950rad 5.46021557 DE1950rad -0.81663191 PmRA2000 0.0081
PmDE2000 -0.132
Hipparcos
Catalog H HIP 103230 Proxy H RAhms 20 54 49.14
DEdms -46 36 01.1 Vmag 7.41 VarFlag R Vmag H
RAdeg 313.705 DEdeg -46.6003 AstroRef A Plx 13.49
CCDM 20548-4636 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 143 Rho 0.774 HD 198828 BD
CD CD-4713618 CP CP-47 9598 Dm number -4713618 VIred 0.6
SpType F8V R SpType Coord arcsec 2000 205449.14-463601.1
Hipparcos 2
HIP 103230 Sn 15 So 3 Nc 2
RArad 5.4751806261 DErad -0.8133288092 Plx 12.92 PmRA 84.5
PmDE -134.13 E RArad 1.11 E DErad 0.83 E Plx 1.45
E pmRA 1.52 E pmDE 0.76 Hpmag 7.5253 E Hpmag 0.0011
SHp 0.011 VA 0 BV 0.524 E BV 0.002
VI 0.6
CCDM
Ccdm 20548-4636 RComp Comp A Note1
Note2 Discov num DRAs 1.22 DDEs -2.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.1 Sp F8 PmNote *
PmRA 88 PmDE -131 Dm number -4713618 Cat1 CD
Name2 230431 Cat2 SAO HD 198828 M HD
ADS BDS M ADS BDS N IDS IDS 20479S4659A
HIC 103230
 
 
20548-4636 B
 
 
Coord arcsec 2000 205449.26-463603.2 Mag 8.82 PmRA 90.00 PmDE -137.0
Calc delta mag 1.02 Calc coord yes
CCDM
Ccdm 20548-4636 RComp Comp B Note1
Note2 Discov num I 1429 DRAs DDEs
R dRAs Year 1925 Theta 140 Rho 0.4
Obs 10 Vmag 8.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20479S4659B
HIC 103230