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Current system
21094-7310
I 379 AB


Nearby doubles
16' : 21062-7316
HJ 5237

19' : 21127-7258
FIN 280

27' : 21086-7337
HEI 591

39' : 21180-7321
UC 4434

43' : 21089-7353
GLI 268

47' : 21007-7338
HEI 590

49' : 21042-7353
UC 4370

68' : 20548-7248
TOI2193

75' : 20578-7217
B 1389

76' : 21263-7330
HEI 594

77' : 21062-7426
UC 4380

79' : 21265-7338
DEA 16

87' : 21217-7420
B 2493

91' : 21176-7434
UC 4432

95' : 20525-7412
TDT2596

107' : 21220-7141
NSN 433

108' : 21015-7128
UC 4362

110' : 21253-7148
HJ 5260

115' : 21175-7122
FIN 281

123' : 20563-7500
UC 4337

135' : 21092-7525
TDT2788

139' : 21014-7525
HJ 5230

143' : 21201-7057
KPP4233AB

146' : 21150-7534
JSP 823

147' : 20522-7519
HJ 5214

156' : 20553-7049
UC 4328



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.

21094-7310 I 379 AB

 
 
21h 09m 22.44s -73° 10' 22.6" P.A. 22.00 sep 0.1 mag 5.80,8.60 Sp F9.5V dist. 19.77 pc (64.49 l.y.)
 
 
Coord 2000 21094-7310 Discov num I   379 Comp AB Coord arcsec 2000 21 09 22.44 -73 10 22.6
Date first 1898 Date last 2022 Obs 16
Pa first 350 Pa last 21.5 P.A. Now (θ) 194.8°
Sep first 0.9 Sep last 0.068 Sep. Now (ρ) 0.294"
Mag pri 5.80 Mag sec 8.60 delta mag (ΔM) 2.8 Spectral class F9.5V (yellow-white)
Pri motion ra +460 Sec motion ra
Pri motion dec -286 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
21094-7310 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 257890 21 09 22 -73 10 23 I 379 AB 2022 16 22 0.1 5.80 8.60 2.80 Y <===
Show 257890 21 09 22 -73 10 23 HDO 305 AB,C 2015 7 118 6.4 5.70 13.50 7.80
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Pavo SAO 257890 HIP 104440 Tycho2 9333-01274-1
HD 200525 HR 8061 GC 29489 CD CD-73 1547
CP CP-73 2192 Distance 19.77 Distance ly 64.49
 
 
ORBITAL ELEMENTS
 
 
Period (P)5.332y± 0.003 Periastron (T)2017.424y± 0.005 Semi-major axis (a)0.1905a± 0.0013
Eccentricity (e)0.631± 0.002 Inclination (i)93°± 1 Longitude of periastron (ω)°± 0.8
Node (Ω)°± 0.4 Notesn ReferenceTok2023b
Equinox2000 Last observation2022 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 178.4 0.232
2001 165.4 0.027
2002 186.5 0.066
2003 181.3 0.249
2004 180.1 0.310
2005 179.0 0.269
2006 176.0 0.112
2007 350.2 0.028
2008 181.9 0.204
2009 180.4 0.302
2010 179.4 0.294
2011 177.7 0.180
2012 2.0 0.063
2013 183.1 0.144
2014 180.8 0.282
2015 179.7 0.308
2016 178.4 0.231
2017 164.8 0.026
2018 186.4 0.067
2019 181.3 0.250
2020 180.1 0.310
2021 179.0 0.269
2022 176.0 0.111
2023 349.7 0.027
2024 181.9 0.205
2025 180.4 0.302
2026 179.4 0.294
2027 177.6 0.179
2028 1.9 0.063
2029 183.0 0.145
2030 180.8 0.282
2031 179.7 0.308
2032 178.4 0.231
2033 164.2 0.024
2034 186.3 0.068
2035 181.3 0.250
2036 180.1 0.310
2037 179.0 0.268
2038 176.0 0.110
2039 349.1 0.026
2040 181.9 0.206
2041 180.4 0.302
2042 179.4 0.294
2043 177.6 0.178
2044 1.8 0.064
2045 183.0 0.146
2046 180.8 0.282
2047 179.7 0.308
2048 178.4 0.230
2049 163.5 0.023
2050 186.2 0.069


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds21094-7310b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
WDS 21094-7310 I 379 AB : NOTES
 
 
discov_num notes refcode
I 379 Measures uncertain, too close. Duplicity doubtful. Needs speckle.
Hipparcos stochastic double solution.
AB: Additional notes may be found in Finsen (1951). Fin1951a
AB: A is SB and astrometric binary, P=6.65y (Goldin & Makarov 2006). Gln2006
Resolved at 0.14". Tok2014d
 
 
REFERENCES
 
 
refcode metd author reference
Fin1951a Ma j Finsen, W.S. 1951CiUO..112..104F
Fin1951a +Mc Union Obs. Johannesburg Circ. 112, 104, 1951
Gln2006 orb - Goldin, A. & Makarov, V.V. 2006ApJS..166..341G
Gln2006 ApJS 166, 341, 2006
Gln2006 (Note: Astrometric orbits based on both NDAC and FAST reductions of Hipparcos data
Gln2006 (2 solutions). Values of T0 are relative to 1991.25 = JD 2448349.0625)
Tok2014d E2 - Tokovinin, A. 2014AJ....147...86T
Tok2014d AJ 147, 86, 2014
Tok2023b St+ Tokovinin, A. 2023AJ....165..160T
Tok2023b orb AJ 165, 160, 2023
 
 
DISCOVERER
 
 
discov author
FIN Finsen, W.S.
I MNRAS 57, 533, 1897 (data also in I__1897b,
I I__1897c)
TOK Tokovinin, A., Cantarutti, R., Tighe, R., Schurter, P., van der Bliek, N.,
TOK Martinez, M., & Mondaca, E.
TOK Tokovinin, A., Corbett, H., Fors, O., Howard, W., Law, N.M., Moe, M.,
TOK Tokovinin, A. & Briceno, C.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
21094-7310 I 379 AB 1932 4 24 0.2 6.40 6.40 F8-G0V -73 2192 N 210921.52-731020.2
21094-7310 I 379 AB 2008 5 194 0.3 6.40 6.40 F8-G0V -73 2192 N 210921.52-731020.2
21094-7310 I 379 AB 2014 6 15 0.3 6.40 6.40 F8-G0V -73 2192 N 210921.52-731020.2
21094-7310 I 379 AB 2015 8 13 0.3 6.40 6.40 F8-G0V -73 2192 N 210921.52-731020.2
21094-7310 I 379 AB 2017 10 7 0.0 6.40 6.40 F8-G0V -73 2192 N 210922.44-731022.6
21094-7310 I 379 AB 2018 11 197 0.2 6.40 6.40 F8-G0V -73 2192 N 210922.44-731022.6
21094-7310 I 379 AB 2019 12 195 0.3 6.40 6.40 F8-G0V -73 2192 N 210922.44-731022.6
21094-7310 I 379 AB 2020 13 193 0.3 6.40 6.40 F8-G0V -73 2192 N 210922.44-731022.6
21094-7310 I 379 AB 2021 14 192 0.2 6.40 6.40 F8-G0V -73 2192 N 210922.44-731022.6
21094-7310 I 379 AB 2022 16 22 0.1 5.80 8.60 F9.5V -73 2192 NO 210922.44-731022.6

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

 
 
WDS 21094-7310 I 379 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21094-7310 I 379 AB : MEASURES
 
 
No records found.

 
 
WDS 21094-7310 : VIRTUAL EYEPIECE
 
 

21094-7310 I 379A mag 5.8 Sp F9.5V 21094-7310 I 379B sep 0.1 P.A. 21.50 mag 8.6 21094-7310 HDO 305C sep 6.4 P.A. 118.00 mag 13.5 Sp G0V 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 21094-7310 : ALADIN DSS IMAGE @ 21h 09m 22.44s -73° 10' 22.6"
 
 
 
 
WDS 21094-7310 I 379 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21094-7310 I 379AB distance=1' 21094-7310 HDO 305AB,C distance=1' 21062-7316 HJ 5237 distance=16' 21127-7258 FIN 280 distance=19' 21086-7337 HEI 591 distance=27' 21180-7321 UC 4434 distance=39' 21089-7353 GLI 268 distance=43' 21007-7338 HEI 590 distance=47' 21042-7353 UC 4370 distance=49' 20548-7248 TOI2193 distance=68' 20578-7217 B 1389 distance=75' 21263-7330 HEI 594 distance=76' 21062-7426 UC 4380 distance=77' 21265-7338 DEA 16 distance=79' 21217-7420 B 2493 distance=87' 21176-7434 UC 4432 distance=91' 20525-7412 TDT2596 distance=95' 21220-7141 NSN 433 distance=107' 21015-7128 UC 4362 distance=108' 21253-7148 HJ 5260 distance=110' 21175-7122 FIN 281 distance=115' 20563-7500 UC 4337 distance=123' 21092-7525 TDT2788 distance=135' 21014-7525 HJ 5230 distance=139' 21201-7057 KPP4233AB distance=143' 21201-7057 KPP4233Aa,Ab distance=143' 21150-7534 JSP 823 distance=146' 20522-7519 HJ 5214 distance=147' 20553-7049 UC 4328 distance=156' 21133-7035 TDT2835 distance=157' 20508-7059 HDS2973 distance=157' 20551-7538 WIS 344 distance=159' 21084-7559 I 257 distance=169' 20587-7025 I 668BC distance=173' 20587-7025 HJ 5231A,BC distance=173' 21265-7008 FIN 282 distance=200' 21142-7633 TSN 196 distance=204' 21108-6946 HEI 282 distance=205' 20594-6936 UC 4352 distance=220' 21051-7649 UC 4374 distance=220' 21214-6924 DON1005 distance=234' 21084-6914 DON1000 distance=237' 21212-7710 KPP1119 distance=245' 21082-7716 TDT2777 distance=246' 20533-7720 LDS 723 distance=257' 21182-7732 TOI1101AB distance=264' 21059-6844 DON 998AB distance=266' 21059-6844 BAU 65AC distance=266' 21167-6838 TDT2879 distance=276' 20541-7747 TDT2617 distance=283' 20536-7750 HDS2977AB distance=286' 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 21094-7310 I 379 AB 22 0.1 1
Show 21094-7310 HDO 305 AB,C 118 6.4 1
Show 21062-7316 HJ 5237 274 5.9 16
Show 21127-7258 FIN 280 55 2.5 19
Show 21086-7337 HEI 591 5 0.2 27
Show 21180-7321 UC 4434 207 38.5 39
Show 21089-7353 GLI 268 243 5.6 43
Show 21007-7338 HEI 590 257 0.4 47
Show 21042-7353 UC 4370 258 10.4 49
Show 20548-7248 TOI2193 124 1.9 68
Show 20578-7217 B 1389 28 3.2 75
Show 21263-7330 HEI 594 234 0.7 76
Show 21062-7426 UC 4380 83 72.7 77
Show 21265-7338 DEA 16 329 84.9 79
Show 21217-7420 B 2493 160 0.4 87
Show 21176-7434 UC 4432 185 9.0 91
Show 20525-7412 TDT2596 164 0.8 95
Show 21220-7141 NSN 433 298 23.5 107
Show 21015-7128 UC 4362 243 29.9 108
Show 21253-7148 HJ 5260 270 44.4 110
Show 21175-7122 FIN 281 265 2.9 115
Show 20563-7500 UC 4337 203 79.7 123
Show 21092-7525 TDT2788 155 2.2 135
Show 21014-7525 HJ 5230 163 15.2 139
Show 21201-7057 KPP4233 AB 37 1.7 143
Show 21201-7057 KPP4233 Aa,Ab 164 0.1 143
Show 21150-7534 JSP 823 185 2.0 146
Show 20522-7519 HJ 5214 304 13.5 147
Show 20553-7049 UC 4328 210 47.5 156
Show 21133-7035 TDT2835 93 0.7 157
Show 20508-7059 HDS2973 70 0.7 157
Show 20551-7538 WIS 344 111 484.9 159
Show 21084-7559 I 257 313 1.9 169
Show 20587-7025 I 668 BC 333 1.0 173
Show 20587-7025 HJ 5231 A,BC 112 6.7 173
Show 21265-7008 FIN 282 23 2.5 200
Show 21142-7633 TSN 196 250 0.8 204
Show 21108-6946 HEI 282 86 0.3 205
Show 20594-6936 UC 4352 355 33.2 220
Show 21051-7649 UC 4374 329 49.2 220
Show 21214-6924 DON1005 247 0.9 234
Show 21084-6914 DON1000 197 1.1 237
Show 21212-7710 KPP1119 277 8.8 245
Show 21082-7716 TDT2777 17 1.5 246
Show 20533-7720 LDS 723 163 27.8 257
Show 21182-7732 TOI1101 AB 236 3.6 264
Show 21059-6844 DON 998 AB 155 4.0 266
Show 21059-6844 BAU 65 AC 254 60.0 266
Show 21167-6838 TDT2879 129 0.5 276
Show 20541-7747 TDT2617 32 0.8 283
Show 20536-7750 HDS2977 AB 296 0.1 286

 
 
WDS 21094-7310 : COMPONENTS
 
 
  A B
B pa=21.5°
sep=0.07"
 
C pa=118.0°
sep=6.37"
pa=118.6°
sep=6.38"
 
 
21094-7310 A
 
 
Coord arcsec 2000 210922.44-731022.6 Mag 5.8 Spectral class F9.5V (yellow-white) PmRA 460.00
PmDE -286.0 SAO 257890 HIP 104440 Tycho2 9333-01274-1
HD 200525 HR 8061 GC 29489 CD CD-73 1547
CP CP-73 2192
Tycho2
Tycho2 9333-01274-1 Pflag X RAmdeg DEmdeg
PmRA PmDE E RAmdeg E DEmdeg
E pmRA E pmDE EpRAm EpDEm
Num Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 6.370 E BTmag 0.014 VTmag 5.740
E VTmag 0.009 Prox 999 TYC T HIP 104440
CCDM RAdeg 317.33983056 DEdeg -73.17231028 EpRA 1990 1.64
EpDE 1990 1.77 E RAdeg 3.5 E DEdeg 3.4 Posflg
Corr 0.2
SAO
SAO 257890 DelFlag RA1950 PmRA1950 0.1021
DE1950 PmDE1950 -0.335 Vmag 5.8 SpType G0
Double code Source 70 CatNum 29489 DM CP-73 2192
DMcomp BDsup HD 200525 M HD 0
GC 29489 RA1950rad 5.51604105 DE1950rad -1.28056627 PmRA2000 0.0995
PmDE2000 -0.331
Hipparcos
Catalog H HIP 104440 Proxy RAhms 21 09 21.52
DEdms -73 10 20.2 Vmag 5.67 VarFlag R Vmag G
RAdeg 317.34 DEdeg -73.1723 AstroRef Plx 53.38
CCDM 461.31 - N CCDM I Nsys 1 Ncomp 1
MultFlag X Source Qual S M HIP
Theta Rho HD BD
CD CD-73 1547 CP CP-73 2192 Dm number -73 1547 VIred 0.67
SpType G3IV R SpType Coord arcsec 2000 210921.52-731020.2
Hipparcos 2
HIP 104440 Sn 1 So 2 Nc 1
RArad 5.5386218435 DErad -1.2770970243 Plx 50.59 PmRA 460.33
PmDE -285.96 E RArad 1.07 E DErad 1.17 E Plx 1.52
E pmRA 1.46 E pmDE 1.39 Hpmag E Hpmag 0.0006
SHp 0.006 VA 0 BV 0.59 E BV 0.042
VI 0.67
CCDM
Ccdm 21094-7310 RComp Comp A Note1
Note2 Discov num DRAs -1.74 DDEs -22.8
R dRAs 10 Year Theta Rho
Obs 3 Vmag 6.6 Sp K6 PmNote *
PmRA 433 PmDE -335 Dm number -73 2192 Cat1 CPD
Name2 257890 Cat2 SAO HD 200525 M HD
ADS BDS M ADS BDS N IDS IDS 20588S7334A
HIC 104440
 
 
21094-7310 B
 
 
Coord arcsec 2000 210922.45-731022.5 Mag 8.6 Delta magnitude 2.8 Coordinate calculated yes
CCDM
Ccdm 21094-7310 RComp Comp B Note1
Note2 Discov num I 379 DRAs DDEs
R dRAs Year Theta Rho
Obs Vmag 6.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N N IDS IDS 20588S7334B
HIC 104440
 
 
21094-7310 C
 
 
Coord arcsec 2000 210923.74-731025.6 Mag 13.5 Spectral class G0V (yellow) Delta magnitude 7.7
Coordinate calculated yes
CCDM
Ccdm 21094-7310 RComp Comp C Note1
Note2 Discov num HDO 305 DRAs DDEs
R dRAs Year 1931 Theta 131 Rho 7.9
Obs 2 Vmag 13.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20588S7334C
HIC 104440