20266-4758 I 1419 BC

 
 
20h 26m 42.57s -47° 58' 16.9" P.A. 342.00 sep 3.4 mag 9.50,9.70 Sp F3/5V
 
 
Coord 2000 20266-4758 Discov num I  1419 Comp BC Coord arcsec 2000 20 26 42.57 -47 58 16.9
Date first 1926 Date last 2016 Obs 5
Pa first 339 Pa last 342.2 P.A. Now (θ) 342.2°
Sep first 2.7 Sep last 3.441 Sep. Now (ρ) 3.441"
Mag pri 9.50 Mag sec 9.70 delta mag (ΔM) 0.2 Spectral class F3/5V (yellow-white)
Pri motion ra +028 Sec motion ra
Pri motion dec -032 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20266-4758 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 194251 230202 20 26 38 -47 57 42 I 1419 AB 2015 10 129 55.1 8.41 9.50 1.09
Show 230203 20 26 43 -47 58 17 I 1419 BC 2016 5 342 3.4 9.50 9.70 0.20 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Telescopium SAO 230203 Tycho2 8410-01567-1 Gaia DR2 6668487930259881472
HD 194273 DM CP-4810399
 
 
WDS 20266-4758 I 1419 BC : 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
20266-4758 I 1419 BC 1930 2 342 3.0 9.40 12.20 F3/5V 202632.20-475750.0
20266-4758 I 1419 BC 1999 3 345 2.9 9.50 9.70 F3/5V D 202642.57-475816.9
20266-4758 I 1419 BC 2015 4 342 3.4 9.50 9.70 F3/5V 202642.57-475816.9
20266-4758 I 1419 BC 2016 5 342 3.4 9.50 9.70 F3/5V 202642.57-475816.9

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

 
 
WDS 20266-4758 I 1419 BC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20266-4758 I 1419 BC : MEASURES
 
 
No records found.

 
 
WDS 20266-4758 : VIRTUAL EYEPIECE
 
 

20266-4758 I  1419A mag 8.41 Sp A6/7IV 20266-4758 I  1419B sep 55.1 P.A. 129.20 mag 9.5 Sp F3/5V 20266-4758 I  1419C sep 52.5 P.A. 126.90 mag 9.7 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 20266-4758 : ALADIN DSS IMAGE @ 20h 26m 42.57s -47° 58' 16.9"
 
 
 
 
WDS 20266-4758 I 1419 BC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


20266-4758  I  1419BC distance=0' 20266-4758  I  1419AB distance=1' 20261-4734  I  1086 distance=26' 20238-4736  FIN 278 distance=37' 20291-4826  I  1421 distance=37' 20228-4800  UC 4162 distance=39' 20275-4838  I   663 distance=41' 20248-4719  HDS2920 distance=44' 20238-4845  NSC  29 distance=55' 20321-4742  I  1087AB distance=58' 20321-4742  TOK 628AC distance=58' 20227-4711  TDT2219 distance=63' 20286-4655  RSS 548 distance=67' 20266-4905  BRT1109 distance=67' 20333-4722  BRT1110 distance=76' 20192-4757  RST1066 distance=76' 20205-4713  I  1415 distance=78' 20343-4816  I  1423AB distance=78' 20343-4816  TOI2244AC distance=78' 20358-4747  I   665 distance=92' 20195-4702  TSN  10 distance=93' 20358-4815  BRT1112 distance=93' 20174-4750  UC 4139 distance=95' 20177-4834  BRT1106 distance=97' 20163-4826  LDS 707 distance=107' 20331-4932  UC 4215 distance=113' 20296-4609  I  1422 distance=114' 20264-4603  UC 4184 distance=116' 20380-4828  WSP  88 distance=118' 20376-4717  HJ 5209AB (Al nair) distance=118' 20376-4717  HJ 5209AC (Al nair) distance=118' 20385-4821  BRT1113 distance=121' 20381-4846  UC 4241 distance=124' 20191-4937  RST1065 distance=125' 20327-4949  TSN  34 distance=126' 20139-4812  TDT2107 distance=130' 20217-5000  SKF 376 distance=132' 20327-4558  UC 4211 distance=135' 20402-4749  UC 4252 distance=137' 20369-4630  KPP1368 distance=137' 20315-5012  B   488 distance=142' 20350-4559  UC 4223 distance=147' 20413-4725  CPO 617 distance=151' 20177-4557  HJ 5184 distance=152' 20209-4533  SEE 415 distance=158' 20109-4806  UC 4114 distance=159' 20119-4704  HJ 5172 distance=160' 20354-5014  LDS 714AC distance=161' 20354-5014  WOR9002AB distance=161' 20251-4518  DON 985 distance=161' 20421-4825  SKF1167 distance=162' grafico limitrofi
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Pass over with the mouse cursor to display the catalog designation.

Show name coord_2000 discov# comp pa sep dist(')
Show 20266-4758 I 1419 BC 342 3.4
Show 20266-4758 I 1419 AB 129 55.1 1
Show 20261-4734 I 1086 23 2.2 26
Show 20238-4736 FIN 278 202 3.9 37
Show 20291-4826 I 1421 341 0.4 37
Show 20228-4800 UC 4162 127 41.6 39
Show 20275-4838 I 663 71 0.8 41
Show 20248-4719 HDS2920 227 0.2 44
Show 20238-4845 NSC 29 225 11.4 55
Show 20321-4742 I 1087 AB 95 3.5 58
Show 20321-4742 TOK 628 AC 120 999.9 58
Show 20227-4711 TDT2219 283 0.5 63
Show 20286-4655 RSS 548 174 15.4 67
Show 20266-4905 BRT1109 108 5.4 67
Show 20333-4722 BRT1110 239 4.1 76
Show 20192-4757 RST1066 184 0.5 76
Show 20205-4713 I 1415 35 1.8 78
Show 20343-4816 I 1423 AB 50 1.5 78
Show 20343-4816 TOI2244 AC 307 20.3 78
Show 20358-4747 I 665 304 2.9 92
Show 20195-4702 TSN 10 87 68.3 93
Show 20358-4815 BRT1112 145 4.8 93
Show 20174-4750 UC 4139 4 30.2 95
Show 20177-4834 BRT1106 73 4.5 97
Show 20163-4826 LDS 707 25 18.3 107
Show 20331-4932 UC 4215 113 41.9 113
Show 20296-4609 I 1422 17 0.1 114
Show 20264-4603 UC 4184 90 71.7 116
Show 20380-4828 WSP 88 147 16.3 118
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 20385-4821 BRT1113 211 4.6 121
Show 20381-4846 UC 4241 189 44.7 124
Show 20191-4937 RST1065 69 1.3 125
Show 20327-4949 TSN 34 213 8.7 126
Show 20139-4812 TDT2107 242 0.6 130
Show 20217-5000 SKF 376 300 21.3 132
Show 20327-4558 UC 4211 347 28.6 135
Show 20402-4749 UC 4252 317 5.7 137
Show 20369-4630 KPP1368 296 10.3 137
Show 20315-5012 B 488 78 1.7 142
Show 20350-4559 UC 4223 99 51.7 147
Show 20413-4725 CPO 617 165 4.8 151
Show 20177-4557 HJ 5184 285 12.3 152
Show 20209-4533 SEE 415 97 11.0 158
Show 20109-4806 UC 4114 8 13.9 159
Show 20119-4704 HJ 5172 9 36.7 160
Show 20354-5014 LDS 714 AC 238 100.3 161
Show 20354-5014 WOR9002 AB 273 1.1 161
Show 20251-4518 DON 985 341 1.8 161
Show 20421-4825 SKF1167 253 84.3 162

 
 
WDS 20266-4758 : COMPONENTS
 
 
  A B
B pa=129.2°
sep=55.07"
 
C pa=126.9°
sep=52.50"
pa=347.9°
sep=3.35"
 
 
20266-4758 A
 
 
Name HD 194251 Coord arcsec 2000 202638.32-475742.1 Mag 8.41 Spectral class A6/7IV (white)
PmRA 31.00 PmDE -14.0 SAO 230202 HIP 100825
Tycho2 8410-01739-1 HD 194251 CD CD-4813557 CP CP-4810398
Tycho2
Tycho2 8410-01739-1 Pflag RAmdeg 306.65969134 DEmdeg -47.96171455
PmRA 28.9 PmDE -16.8 E RAmdeg 7 E DEmdeg 9
E pmRA 1.1 E pmDE 1.1 EpRAm 1990.79 EpDEm 1990.07
Num 9 Q RAmdeg 1.0 Q DEmdeg 0.9 Q pmRA 1.0
Q pmDE 0.9 BTmag 8.709 E BTmag 0.019 VTmag 8.412
E VTmag 0.015 Prox 550 TYC T HIP 100825
CCDM RAdeg 306.65959306 DEdeg -47.96167556 EpRA 1990 1.82
EpDE 1990 1.77 E RAdeg 7.3 E DEdeg 8.6 Posflg
Corr 0.0
SAO
SAO 230202 DelFlag RA1950 PmRA1950 0.0032
DE1950 PmDE1950 -0.013 Vmag 8.5 SpType F0
Double code Source 48 CatNum 18793 DM CP-4810398
DMcomp BDsup HD 194251 M HD 0
GC RA1950rad 5.33666658 DE1950rad -0.83995706 PmRA2000 0.0031
PmDE2000 -0.017
Hipparcos
Catalog H HIP 100825 Proxy RAhms 20 26 38.30
DEdms -47 57 42.0 Vmag 8.37 VarFlag R Vmag H
RAdeg 306.66 DEdeg -47.9617 AstroRef Plx 7.13
CCDM 20267-4758 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 194251 BD
CD CD-4813557 CP CP-4810398 Dm number -4813557 VIred 0.26
SpType A6/A7IV R SpType Coord arcsec 2000 202638.30-475742.0
Hipparcos 2
HIP 100825 Sn 5 So 0 Nc 1
RArad 5.3522195983 DErad -0.8370890586 Plx 6.94 PmRA 31.79
PmDE -15.72 E RArad 1.04 E DErad 0.61 E Plx 1.16
E pmRA 1.56 E pmDE 0.77 Hpmag 8.4448 E Hpmag 0.0015
SHp 0.013 VA 0 BV 0.271 E BV 0.021
VI 0.31
 
 
20266-4758 B
 
 
Coord arcsec 2000 202642.57-475816.9 Coord calc 202642.57-475816.9 Mag 9.5 Spectral class F3/5V (yellow-white)
PmRA 28.00 PmDE -32.0 SAO 230203 Tycho2 8410-01567-1
HD 194273 DM CP-4810399 Calc delta mag 1.09
Tycho2
Tycho2 8410-01567-1 Pflag RAmdeg 306.67739675 DEmdeg -47.97137909
PmRA 28.3 PmDE -32.1 E RAmdeg 17 E DEmdeg 18
E pmRA 1.6 E pmDE 1.6 EpRAm 1989.99 EpDEm 1989.40
Num 7 Q RAmdeg 1.6 Q DEmdeg 0.9 Q pmRA 1.7
Q pmDE 0.8 BTmag 9.990 E BTmag 0.030 VTmag 9.504
E VTmag 0.028 Prox 550 TYC T HIP
CCDM RAdeg 306.67730194 DEdeg -47.97130528 EpRA 1990 1.82
EpDE 1990 1.79 E RAdeg 16.7 E DEdeg 19.2 Posflg
Corr -0.1
SAO
SAO 230203 DelFlag RA1950 PmRA1950 0.0029
DE1950 PmDE1950 -0.021 Vmag 9.5 SpType F
Double code Source 48 CatNum 18795 DM CP-4810399
DMcomp BDsup HD 194273 M HD 0
GC RA1950rad 5.33697483 DE1950rad -0.84012134 PmRA2000 0.0028
PmDE2000 -0.025
 
 
20266-4758 C
 
 
Coord arcsec 2000 202642.50-475813.6 Mag 9.7 Calc delta mag 1.29 Calc coord yes