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Doubles in session


Current system
21449-3302
I 1051
Iot PsA


Nearby doubles
60' : 21466-3206
UC 4558

62' : 21463-3401
RSS 563

69' : 21487-3351
RSS 564

75' : 21449-3416
B 1012

83' : 21452-3139
DAW 230AB

102' : 21509-3151
LDS4915

103' : 21368-3303
SKF2100

103' : 21490-3431
TSN 100

105' : 21369-3330
SEE 450

110' : 21456-3451
HDS3099

110' : 21405-3127
DAW 155

119' : 21540-3334
LDS4919

124' : 21442-3505
UC 4541AB

131' : 21408-3102
HJ 3045

133' : 21477-3054
FIN 330AB

137' : 21558-3313
TSN 200

143' : 21533-3439
UC 4589

143' : 21341-3221
HJ 5279

144' : 21530-3119
RST2188

148' : 21528-3112
LDS5932

149' : 21551-3148
I 1449

155' : 21538-3114
LDS5934

156' : 21447-3537
SEE 455AB

156' : 21427-3535
B 1011AB

158' : 21554-3430
I 673

158' : 21418-3535
B 1010



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.

21449-3302 I 1051 (Iot PsA)

 
 
21h 44m 56.79s -33° 01' 32.0" P.A. 290.00 sep 20.0 mag 4.34,11.40 Sp A0V dist. 62.62 pc (204.27 l.y.)
 
 
Coord 2000 21449-3302 Discov num I  1051 Comp Coord arcsec 2000 21 44 56.79 -33 01 32.0
Date first 1910 Date last 1910 Obs 1
Pa first 290 Pa last 290 P.A. Now (θ) 290°
Sep first 20.0 Sep last 20 Sep. Now (ρ) 20"
Mag pri 4.34 Mag sec 11.40 delta mag (ΔM) 7.06 Spectral class A0V (white)
Pri motion ra +034 Sec motion ra
Pri motion dec -094 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Iot PsA Constellation Piscis Austrinus SAO 213258 HIP 107380
Tycho2 7490-01839-1 Gaia DR2 6591574171318785664 HD 206742 HR 8305
GC 30439 CD CD-3315734 CP CP-33 6184 Bayer Iota Piscis Austrini
Bayer name Iot PsA Flamsteed 9 Piscis Austrini Flamsteed name 9 PsA FK5 814
Distance 62.62 Distance ly 204.27 Bayer greek ι PsA
 
 
WDS 21449-3302 I 1051 (Iot PsA) : NOTES
 
 
discov_num notes refcode
I 1051 iot PsA = 9 PsA. A is a spectroscopic binary. Some doubt as to the
reality of the companion.
 
 
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
21449-3302 I 1051 1910 1 290 20.0 4.34 11.40 A0V N 214456.79-330132.0

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

 
 
WDS 21449-3302 I 1051 (Iot PsA) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21449-3302 I 1051 (Iot PsA) : MEASURES
 
 
No records found.

 
 
WDS 21449-3302 (Iot PsA) : VIRTUAL EYEPIECE
 
 

21449-3302 I 1051A mag 4.34 Sp A0V 21449-3302 I 1051B sep 17.2 P.A. 293.50 mag 11.4 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 21449-3302 (Iot PsA) : ALADIN DSS IMAGE @ 21h 44m 56.79s -33° 01' 32.0"
 
 
 
 
WDS 21449-3302 I 1051 (Iot PsA) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21449-3302 I 1051 distance=0' 21466-3206 UC 4558 distance=60' 21463-3401 RSS 563 distance=62' 21487-3351 RSS 564 distance=69' 21449-3416 B 1012 distance=75' 21452-3139 DAW 230AB distance=83' 21452-3139 HJ 5293AC distance=83' 21509-3151 LDS4915 distance=102' 21368-3303 SKF2100 distance=103' 21490-3431 TSN 100 distance=103' 21369-3330 SEE 450 distance=105' 21456-3451 HDS3099 distance=110' 21405-3127 DAW 155 distance=110' 21540-3334 LDS4919 distance=119' 21442-3505 UC 4541AB distance=124' 21408-3102 HJ 3045 distance=131' 21477-3054 FIN 330AB distance=133' 21477-3054 HJ 5296AB,C distance=133' 21558-3313 TSN 200 distance=137' 21533-3439 UC 4589 distance=143' 21341-3221 HJ 5279 distance=143' 21530-3119 RST2188 distance=144' 21528-3112 LDS5932 distance=148' 21551-3148 I 1449 distance=149' 21538-3114 LDS5934 distance=155' 21447-3537 SEE 455AB distance=156' 21427-3535 B 1011AB distance=156' 21427-3535 B 1011BC distance=157' 21554-3430 I 673 distance=158' 21418-3535 B 1010 distance=158' 21481-3023 RST2187 distance=164' 21492-3538 B 1013 distance=166' 21521-3522 UC 4584 distance=166' 21332-3147 HJ 3034 distance=167' 21322-3357 B 1009 distance=169' 21573-3418 HDS3121AB distance=173' 21573-3418 SKF 445AC distance=173' 21368-3043 VOU 35AB distance=173' 21368-3043 TOK 386AC distance=173' 21583-3207 RST2190 distance=177' 21590-3258 UC 4620 distance=177' 21467-3557 UC 4560 distance=178' 21567-3123 B 1014 distance=179' 21393-3018 SEE 451 distance=179' 21589-3227 LDS4929 distance=179' 21347-3509 B 1393 distance=180' 21581-3150 LDS5939 distance=182' 21307-3238 BRT1821 distance=182' 21406-3559 BRT1824 distance=185' 21314-3146 SKF2099 distance=188' 21349-3044 UC 4501 distance=188' 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 21449-3302 I 1051 290 20.0
Show 21466-3206 UC 4558 251 18.4 60
Show 21463-3401 RSS 563 322 10.7 62
Show 21487-3351 RSS 564 172 57.9 69
Show 21449-3416 B 1012 234 4.1 75
Show 21452-3139 DAW 230 AB 106 13.1 83
Show 21452-3139 HJ 5293 AC 250 19.0 83
Show 21509-3151 LDS4915 126 3.1 102
Show 21368-3303 SKF2100 53 162.1 103
Show 21490-3431 TSN 100 106 8.1 103
Show 21369-3330 SEE 450 252 11.2 105
Show 21456-3451 HDS3099 50 0.2 110
Show 21405-3127 DAW 155 45 2.1 110
Show 21540-3334 LDS4919 118 36.2 119
Show 21442-3505 UC 4541 AB 304 74.8 124
Show 21408-3102 HJ 3045 253 34.6 131
Show 21477-3054 FIN 330 AB 347 0.1 133
Show 21477-3054 HJ 5296 AB,C 343 32.1 133
Show 21558-3313 TSN 200 229 0.0 137
Show 21533-3439 UC 4589 235 15.0 143
Show 21341-3221 HJ 5279 290 11.5 143
Show 21530-3119 RST2188 1 1.8 144
Show 21528-3112 LDS5932 173 167.0 148
Show 21551-3148 I 1449 268 0.3 149
Show 21538-3114 LDS5934 69 70.2 155
Show 21447-3537 SEE 455 AB 84 4.5 156
Show 21427-3535 B 1011 AB 116 66.2 156
Show 21427-3535 B 1011 BC 238 1.4 157
Show 21554-3430 I 673 271 1.0 158
Show 21418-3535 B 1010 328 4.3 158
Show 21481-3023 RST2187 107 2.0 164
Show 21492-3538 B 1013 329 0.0 166
Show 21521-3522 UC 4584 40 18.1 166
Show 21332-3147 HJ 3034 259 36.0 167
Show 21322-3357 B 1009 59 6.7 169
Show 21573-3418 HDS3121 AB 105 0.8 173
Show 21573-3418 SKF 445 AC 153 13.7 173
Show 21368-3043 VOU 35 AB 307 0.1 173
Show 21368-3043 TOK 386 AC 6 0.5 173
Show 21583-3207 RST2190 293 1.0 177
Show 21590-3258 UC 4620 72 57.6 177
Show 21467-3557 UC 4560 332 27.3 178
Show 21567-3123 B 1014 139 2.6 179
Show 21393-3018 SEE 451 256 12.2 179
Show 21589-3227 LDS4929 353 113.1 179
Show 21347-3509 B 1393 61 1.8 180
Show 21581-3150 LDS5939 291 265.4 182
Show 21307-3238 BRT1821 39 8.0 182
Show 21406-3559 BRT1824 5 3.0 185
Show 21314-3146 SKF2099 259 23.1 188
Show 21349-3044 UC 4501 42 58.5 188

 
 
WDS 21449-3302 : COMPONENTS
 
 
  A
B pa=293.5°
sep=17.18"
 
 
21449-3302 A
 
 
Componente originario normalizzato AB Name Iot PsA Coord arcsec 2000 214456.79-330132.0 Mag 4.34
Spectral class A0V (white) PmRA 34.00 PmDE -94.0 SAO 213258
HIP 107380 Tycho2 7490-01839-1 HD 206742 HR 8305
GC 30439 CD CD-3315734 CP CP-33 6184 Bayer Iota Piscis Austrini
Bayer name Iot PsA Flamsteed 9 Piscis Austrini Flamsteed name 9 PsA FK5 814
Tycho2
Tycho2 7490-01839-1 Pflag RAmdeg 326.23670919 DEmdeg -33.02578052
PmRA 32.4 PmDE -94.0 E RAmdeg 3 E DEmdeg 3
E pmRA 0.6 E pmDE 0.6 EpRAm 1991.35 EpDEm 1991.14
Num 23 Q RAmdeg 1.0 Q DEmdeg 1.0 Q pmRA 1.0
Q pmDE 1.0 BTmag 4.278 E BTmag 0.014 VTmag 4.323
E VTmag 0.009 Prox 999 TYC T HIP 107380
CCDM RAdeg 326.23662056 DEdeg -33.02555889 EpRA 1990 1.74
EpDE 1990 1.51 E RAdeg 3.2 E DEdeg 3.4 Posflg
Corr -0.3
SAO
SAO 213258 DelFlag RA1950 PmRA1950 0.0028
DE1950 PmDE1950 -0.09 Vmag 4.4 SpType A0
Double code Source 74 CatNum 814 DM CD-3315734
DMcomp BDsup HD 206742 M HD 0
GC 30439 RA1950rad 5.6809323 DE1950rad -0.58040857 PmRA2000 0.0028
PmDE2000 -0.093
Hipparcos
Catalog H HIP 107380 Proxy RAhms 21 44 56.79
DEdms -33 01 32.0 Vmag 4.35 VarFlag R Vmag H
RAdeg 326.237 DEdeg -33.0256 AstroRef Plx 15.93
CCDM 21449-3302 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 206742 BD
CD CD-3315734 CP CP-33 6184 Dm number -3315734 VIred -0.05
SpType B9.5V R SpType Coord arcsec 2000 214456.79-330132.0
Hipparcos 2
HIP 107380 Sn 5 So 0 Nc 1
RArad 5.6939030868 DErad -0.5764046363 Plx 15.97 PmRA 31.1
PmDE -94.56 E RArad 0.15 E DErad 0.1 E Plx 0.17
E pmRA 0.19 E pmDE 0.11 Hpmag 4.3337 E Hpmag 0.0004
SHp 0.004 VA 0 BV -0.053 E BV 0.005
VI -0.05
CCDM
Ccdm 21449-3302 RComp Comp A Note1
Note2 Discov num DRAs 2.81 DDEs 27.3
R dRAs 10 Year Theta Rho
Obs 2 Vmag 4.4 Sp A0 PmNote *
PmRA 36 PmDE -90 Dm number -3315734 Cat1 CD
Name2 213258 Cat2 SAO HD 206742 M HD
ADS BDS M ADS BDS N IDS IDS 21390S3329A
HIC 107380
 
 
21449-3302 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 214455.54-330125.2 Mag 11.4 Calc delta mag 7.06
Calc coord yes
CCDM
Ccdm 21449-3302 RComp Comp B Note1
Note2 Discov num I 1051 DRAs DDEs
R dRAs Year Theta 290 Rho 20.0
Obs Vmag 11.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 21390S3329B
HIC