20261-4734 I 1086 (HD 194172)

 
 
20h 26m 05.09s -47° 33' 41.8" P.A. 23.00 sep 2.2 mag 10.44,11.10 Sp F7V
 
 
Coord 2000 20261-4734 Discov num I  1086 Comp Coord arcsec 2000 20 26 05.09 -47 33 41.8
Date first 1913 Date last 2015 Obs 5
Pa first 22 Pa last 22.9 P.A. Now (θ) 22.9°
Sep first 2.0 Sep last 2.223 Sep. Now (ρ) 2.223"
Mag pri 10.44 Mag sec 11.10 delta mag (ΔM) 0.66 Spectral class F7V (yellow-white)
Pri motion ra +009 Sec motion ra +012
Pri motion dec -008 Sec motion dec -008
Notes V (Proper motion indicates physical)
rPM=0.208 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 194172 Constellation Telescopium SAO 230198 Tycho2 8409-02029-1
Gaia DR2 6668640384418884480 HD 194172 DM CP-47 9507
 
 
WDS 20261-4734 I 1086 (HD 194172) : 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
20261-4734 I 1086 1991 4 23 2.2 10.44 11.10 F7V 202605.09-473341.8
20261-4734 I 1086 2015 5 23 2.2 10.44 11.10 F7V 202605.09-473341.8

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

 
 
WDS 20261-4734 I 1086 (HD 194172) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20261-4734 I 1086 (HD 194172) : MEASURES
 
 
No records found.

 
 
WDS 20261-4734 (HD 194172) : VIRTUAL EYEPIECE
 
 

20261-4734 I  1086A mag 10.44 Sp F7V 20261-4734 I  1086B sep 2.1 P.A. 15.90 mag 11.1 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 20261-4734 (HD 194172) : ALADIN DSS IMAGE @ 20h 26m 05.09s -47° 33' 41.8"
 
 
 
 
WDS 20261-4734 I 1086 (HD 194172) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


20261-4734  I  1086 distance=1' 20248-4719  HDS2920 distance=20' 20238-4736  FIN 278 distance=23' 20266-4758  I  1419AB distance=25' 20266-4758  I  1419BC distance=26' 20227-4711  TDT2219 distance=42' 20228-4800  UC 4162 distance=42' 20286-4655  RSS 548 distance=47' 20205-4713  I  1415 distance=61' 20291-4826  I  1421 distance=61' 20321-4742  I  1087AB distance=62' 20321-4742  TOK 628AC distance=62' 20275-4838  I   663 distance=67' 20192-4757  RST1066 distance=74' 20333-4722  BRT1110 distance=74' 20195-4702  TSN  10 distance=75' 20238-4845  NSC  29 distance=75' 20174-4750  UC 4139 distance=90' 20264-4603  UC 4184 distance=91' 20266-4905  BRT1109 distance=92' 20296-4609  I  1422 distance=93' 20343-4816  I  1423AB distance=93' 20343-4816  TOI2244AC distance=93' 20358-4747  I   665 distance=99' 20177-4834  BRT1106 distance=103' 20358-4815  BRT1112 distance=107' 20163-4826  LDS 707 distance=110' 20327-4558  UC 4211 distance=117' 20376-4717  HJ 5209AB (Al nair) distance=118' 20376-4717  HJ 5209AC (Al nair) distance=118' 20369-4630  KPP1368 distance=128' 20139-4812  TDT2107 distance=129' 20177-4557  HJ 5184 distance=129' 20380-4828  WSP  88 distance=132' 20350-4559  UC 4223 distance=133' 20209-4533  SEE 415 distance=133' 20385-4821  BRT1113 distance=134' 20251-4518  DON 985 distance=136' 20331-4932  UC 4215 distance=138' 20203-4529  KPP3105 distance=139' 20166-4554  I   125 distance=140' 20381-4846  UC 4241 distance=141' 20191-4937  RST1065 distance=142' 20402-4749  UC 4252 distance=144' 20152-4603  HJ 5179 distance=144' 20183-4532  BRT1107 distance=146' 20322-4521  RST5470AB distance=147' 20322-4521  HJ 5204AB,C distance=147' 20119-4704  HJ 5172 distance=148' 20327-4949  TSN  34 distance=151' 20217-5000  SKF 376 distance=153' 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 20261-4734 I 1086 23 2.2 1
Show 20248-4719 HDS2920 227 0.2 20
Show 20238-4736 FIN 278 202 3.9 23
Show 20266-4758 I 1419 AB 129 55.1 25
Show 20266-4758 I 1419 BC 342 3.4 26
Show 20227-4711 TDT2219 283 0.5 42
Show 20228-4800 UC 4162 127 41.6 42
Show 20286-4655 RSS 548 174 15.4 47
Show 20205-4713 I 1415 35 1.8 61
Show 20291-4826 I 1421 341 0.4 61
Show 20321-4742 I 1087 AB 95 3.5 62
Show 20321-4742 TOK 628 AC 120 999.9 62
Show 20275-4838 I 663 71 0.8 67
Show 20192-4757 RST1066 184 0.5 74
Show 20333-4722 BRT1110 239 4.1 74
Show 20195-4702 TSN 10 87 68.3 75
Show 20238-4845 NSC 29 225 11.4 75
Show 20174-4750 UC 4139 4 30.2 90
Show 20264-4603 UC 4184 90 71.7 91
Show 20266-4905 BRT1109 108 5.4 92
Show 20296-4609 I 1422 17 0.1 93
Show 20343-4816 I 1423 AB 50 1.5 93
Show 20343-4816 TOI2244 AC 307 20.3 93
Show 20358-4747 I 665 304 2.9 99
Show 20177-4834 BRT1106 73 4.5 103
Show 20358-4815 BRT1112 145 4.8 107
Show 20163-4826 LDS 707 25 18.3 110
Show 20327-4558 UC 4211 347 28.6 117
Show Al nair 20376-4717 HJ 5209 AB 206 69.2 118
Show Al nair 20376-4717 HJ 5209 AC 336 57.5 118
Show 20369-4630 KPP1368 296 10.3 128
Show 20139-4812 TDT2107 242 0.6 129
Show 20177-4557 HJ 5184 285 12.3 129
Show 20380-4828 WSP 88 147 16.3 132
Show 20350-4559 UC 4223 99 51.7 133
Show 20209-4533 SEE 415 97 11.0 133
Show 20385-4821 BRT1113 211 4.6 134
Show 20251-4518 DON 985 341 1.8 136
Show 20331-4932 UC 4215 113 41.9 138
Show 20203-4529 KPP3105 128 2.3 139
Show 20166-4554 I 125 45 1.5 140
Show 20381-4846 UC 4241 189 44.7 141
Show 20191-4937 RST1065 69 1.3 142
Show 20402-4749 UC 4252 317 5.7 144
Show 20152-4603 HJ 5179 136 5.8 144
Show 20183-4532 BRT1107 317 5.2 146
Show 20322-4521 RST5470 AB 125 0.2 147
Show 20322-4521 HJ 5204 AB,C 35 6.2 147
Show 20119-4704 HJ 5172 9 36.7 148
Show 20327-4949 TSN 34 213 8.7 151
Show 20217-5000 SKF 376 300 21.3 153

 
 
WDS 20261-4734 : COMPONENTS
 
 
  A
B pa=15.9°
sep=2.13"
 
 
20261-4734 A
 
 
Componente originario normalizzato AB Name HD 194172 Coord arcsec 2000 202605.09-473341.8 Mag 10.44
Spectral class F7V (yellow-white) PmRA 9.00 PmDE -8.0 SAO 230198
Tycho2 8409-02029-1 HD 194172 DM CP-47 9507
Tycho2
Tycho2 8409-02029-1 Pflag RAmdeg 306.52119709 DEmdeg -47.56162143
PmRA 7.8 PmDE -13.4 E RAmdeg 32 E DEmdeg 41
E pmRA 2.1 E pmDE 2.0 EpRAm 1988.96 EpDEm 1986.66
Num 3 Q RAmdeg 0.2 Q DEmdeg 0.5 Q pmRA 0.2
Q pmDE 0.5 BTmag 11.051 E BTmag 0.065 VTmag 10.435
E VTmag 0.055 Prox 22 TYC T HIP
CCDM RAdeg 306.52117028 DEdeg -47.56159000 EpRA 1990 1.74
EpDE 1990 1.56 E RAdeg 33.2 E DEdeg 41.9 Posflg D
Corr -0.1
SAO
SAO 230198 DelFlag RA1950 PmRA1950 0.0006
DE1950 PmDE1950 -0.002 Vmag 9.7 SpType G0
Double code Source 48 CatNum 18788 DM CP-47 9507
DMcomp BDsup HD 194172 M HD 0
GC RA1950rad 5.33430709 DE1950rad -0.83296259 PmRA2000 0.0005
PmDE2000 -0.006
CCDM
Ccdm 20261-4734 RComp Comp A Note1
Note2 Discov num DRAs -0.98 DDEs 19.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 10.6 Sp G0 PmNote *
PmRA 6 PmDE -2 Dm number -4713398 Cat1 CD
Name2 230198 Cat2 SAO HD 194172 M HD
ADS BDS M ADS BDS N IDS IDS 20190S4753A
HIC
 
 
20261-4734 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 202605.15-473339.8 Mag 11.1 PmRA 12.00
PmDE -8.0 Calc delta mag 0.66 Calc coord yes
CCDM
Ccdm 20261-4734 RComp Comp B Note1
Note2 Discov num I 1086 DRAs DDEs
R dRAs Year 1913 Theta 022 Rho 2.2
Obs 3 Vmag 11.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20190S4753B
HIC