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Current system
09074-4357
B 1646 AB


Nearby doubles
16' : 09084-4345
ALD 42

19' : 09077-4415
DON 315

25' : 09069-4333
LDS 249

27' : 09094-4342
TDS6361

31' : 09099-4411
COO 80

33' : 09080-4326
SEE 109
Suhail

38' : 09083-4321
DON 318

39' : 09081-4320
I 823

39' : 09076-4319
DON 314

41' : 09077-4438
I 492

42' : 09044-4424
TDS6291

43' : 09087-4317
TDS6350

43' : 09108-4419
TDS6372

46' : 09046-4431
CPO9113

48' : 09090-4442
CTI4839

48' : 09093-4441
DAM 492

49' : 09114-4419
DON 322

50' : 09095-4441
DON 319

50' : 09096-4441
DAM1554

52' : 09114-4425
TDS6380

53' : 09087-4306
ALD 43

55' : 09114-4431
RSS 193

56' : 09114-4432
TVB 217

56' : 09118-4426
DAM1559

57' : 09123-4419
TDS6393

60' : 09125-4337
HJ 4188AB



Selections
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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.

09074-4357 B 1646 AB

 
 
09h 07m 23.26s -43° 57' 18.3" P.A. 265.00 sep 0.0 mag 9.50,9.90 Sp A5/7II
 
 
Coord 2000 09074-4357 Discov num B  1646 Comp AB Coord arcsec 2000 09 07 23.26 -43 57 18.3
Date first 1929 Date last 2021 Obs 9
Pa first 24 Pa last 265.4 P.A. Now (θ) 265.4°
Sep first 0.3 Sep last 0.041 Sep. Now (ρ) 0.041"
Mag pri 9.50 Mag sec 9.90 delta mag (ΔM) 0.4 Spectral class A5/7II (white)
Pri motion ra -010 Sec motion ra
Pri motion dec +001 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
09074-4357 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 220870 09 07 23 -43 57 18 B 1646 AB 2021 9 265 0.0 9.50 9.90 0.40 Y <===
Show HD 78547 220870 09 07 23 -43 57 18 HJ 4180 AB,C 2015 9 128 22.1 8.55 10.09 1.54
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Vela SAO 220870 Tycho2 7689-02574-1 Gaia DR2 5331063701595081216
HD 78547 DM CP-43 3354
 
 
ORBITAL ELEMENTS
 
 
Period (P)208y Periastron (T)2029.4y Semi-major axis (a)0.188a
Eccentricity (e)0.6 Inclination (i)116.2° Longitude of periastron (ω)161.1°
Node (Ω)15.9° Notes ReferenceTok2020e
Equinox Last observation2019 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 356.7 0.148
2001 355.7 0.143
2002 354.6 0.138
2003 353.4 0.132
2004 352.1 0.127
2005 350.7 0.121
2006 349.2 0.115
2007 347.5 0.109
2008 345.5 0.103
2009 343.4 0.097
2010 340.9 0.091
2011 338.1 0.085
2012 334.9 0.079
2013 331.1 0.073
2014 326.7 0.067
2015 321.4 0.061
2016 315.2 0.056
2017 307.7 0.052
2018 298.9 0.048
2019 288.8 0.045
2020 277.7 0.044
2021 266.2 0.044
2022 255.1 0.045
2023 244.9 0.047
2024 236.0 0.051
2025 228.2 0.055
2026 221.6 0.059
2027 215.8 0.063
2028 210.7 0.067
2029 206.2 0.071
2030 202.0 0.074


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.


 
  


wds09074-4357b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 09074-4357 B 1646 AB : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2020e St j Tokovinin, A., Mason, B.D., Mendez, R.A., Costa, E. & Horch, E.P. 2020AJ....160....7T
Tok2020e +orb AJ 160, 7, 2020
 
 
DISCOVERER
 
 
idgroup discov author
1 B van den Bos, W.H.
212 HJ Herschel, J.F.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
09074-4357 B 1646 AB 1993 5 2 0.2 9.50 9.90 A5/7II 090723.26-435718.3
09074-4357 B 1646 AB 2018 6 300 0.0 9.50 9.90 A5/7II 090723.26-435718.3
09074-4357 B 1646 AB 2019 8 281 0.0 9.50 9.90 A5/7II 090723.26-435718.3
09074-4357 B 1646 AB 2021 9 265 0.0 9.50 9.90 A5/7II O 090723.26-435718.3

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

 
 
WDS 09074-4357 B 1646 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 09074-4357 B 1646 AB : MEASURES
 
 
No records found.

 
 
WDS 09074-4357 : VIRTUAL EYEPIECE
 
 

09074-4357 B 1646A mag 9.5 Sp A5/7II 09074-4357 B 1646B mag 9.9 09074-4357 HJ 4180C sep 18.5 P.A. 136.90 mag 10.09 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 09074-4357 : ALADIN DSS IMAGE @ 09h 07m 23.26s -43° 57' 18.3"
 
 
 
 
WDS 09074-4357 B 1646 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

09074-4357 B 1646AB distance=1' 09074-4357 HJ 4180AB,C distance=1' 09084-4345 ALD 42 distance=16' 09077-4415 DON 315 distance=19' 09069-4333 LDS 249 distance=25' 09094-4342 TDS6361 distance=27' 09099-4411 COO 80 distance=31' 09080-4326 SEE 109 (Suhail) distance=33' 09083-4321 DON 318 distance=38' 09081-4320 I 823 distance=39' 09076-4319 DON 314 distance=39' 09077-4438 I 492 distance=41' 09044-4424 TDS6291 distance=42' 09087-4317 TDS6350 distance=43' 09108-4419 TDS6372 distance=43' 09046-4431 CPO9113 distance=46' 09090-4442 CTI4839 distance=48' 09093-4441 DAM 492 distance=48' 09114-4419 DON 322 distance=49' 09095-4441 DON 319 distance=50' 09096-4441 DAM1554 distance=50' 09114-4425 TDS6380 distance=52' 09087-4306 ALD 43 distance=53' 09114-4431 RSS 193 distance=55' 09114-4432 TVB 217 distance=56' 09118-4426 DAM1559 distance=56' 09123-4419 TDS6393 distance=57' 09125-4337 FIN 317Aa,Ab distance=60' 09125-4337 HJ 4188AB distance=60' 09119-4432 CPO9114 distance=60' 09066-4459 BRT 759 distance=63' 09075-4255 TDS6330 distance=63' 09059-4458 TDS6313 distance=64' 09128-4329 HU 1456 distance=66' 09015-4415 HU 1453 distance=67' 09014-4342 B 2672 distance=67' 09057-4510 HDS1322 distance=75' 09143-4349 TDS6414 distance=75' 09023-4450 REP 14 distance=77' 09146-4350 DON 327 distance=79' 09006-4321 TDS6244 distance=83' 09119-4251 TDS6386 distance=83' 09004-4320 RST5512 distance=85' 09147-4328 KPP3779 distance=85' 09154-4355 TDS6424 distance=87' 09005-4309 DON 308 distance=88' 08596-4332 TDS6237 distance=88' 09144-4314 HJ 4191 distance=88' 09109-4519 HJ 4186 distance=90' 08598-4321 SKF 522 distance=90' 09028-4242 DON1077 distance=91' 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 09074-4357 B 1646 AB 265 0.0 1
Show 09074-4357 HJ 4180 AB,C 128 22.1 1
Show 09084-4345 ALD 42 212 2.3 16
Show 09077-4415 DON 315 255 0.9 19
Show 09069-4333 LDS 249 319 51.6 25
Show 09094-4342 TDS6361 71 0.5 27
Show 09099-4411 COO 80 46 2.6 31
Show Suhail 09080-4326 SEE 109 143 20.5 33
Show 09083-4321 DON 318 126 0.4 38
Show 09081-4320 I 823 27 0.7 39
Show 09076-4319 DON 314 86 3.1 39
Show 09077-4438 I 492 138 0.3 41
Show 09044-4424 TDS6291 164 2.5 42
Show 09087-4317 TDS6350 209 1.6 43
Show 09108-4419 TDS6372 194 2.0 43
Show 09046-4431 CPO9113 33 3.5 46
Show 09090-4442 CTI4839 135 4.6 48
Show 09093-4441 DAM 492 208 5.0 48
Show 09114-4419 DON 322 276 3.9 49
Show 09095-4441 DON 319 18 2.6 50
Show 09096-4441 DAM1554 7 4.1 50
Show 09114-4425 TDS6380 199 2.0 52
Show 09087-4306 ALD 43 291 2.5 53
Show 09114-4431 RSS 193 116 25.8 55
Show 09114-4432 TVB 217 177 23.4 56
Show 09118-4426 DAM1559 45 6.6 56
Show 09123-4419 TDS6393 3 0.5 57
Show 09125-4337 FIN 317 Aa,Ab 102 0.1 60
Show 09125-4337 HJ 4188 AB 281 2.9 60
Show 09119-4432 CPO9114 51 7.8 60
Show 09066-4459 BRT 759 207 3.7 63
Show 09075-4255 TDS6330 37 0.7 63
Show 09059-4458 TDS6313 209 2.4 64
Show 09128-4329 HU 1456 159 5.5 66
Show 09015-4415 HU 1453 175 4.1 67
Show 09014-4342 B 2672 291 7.5 67
Show 09057-4510 HDS1322 238 0.2 75
Show 09143-4349 TDS6414 71 1.8 75
Show 09023-4450 REP 14 269 1.5 77
Show 09146-4350 DON 327 11 0.7 79
Show 09006-4321 TDS6244 181 0.8 83
Show 09119-4251 TDS6386 86 0.5 83
Show 09004-4320 RST5512 258 0.4 85
Show 09147-4328 KPP3779 284 19.8 85
Show 09154-4355 TDS6424 65 0.5 87
Show 09005-4309 DON 308 48 3.2 88
Show 08596-4332 TDS6237 32 2.1 88
Show 09144-4314 HJ 4191 13 5.9 88
Show 09109-4519 HJ 4186 282 9.0 90
Show 08598-4321 SKF 522 2 10.8 90
Show 09028-4242 DON1077 109 3.0 91

 
 
WDS 09074-4357 : COMPONENTS
 
 
  A B
B pa=263.6°
sep=0.03"
 
C pa=136.9°
sep=18.47"
pa=136.9°
sep=18.49"
 
 
09074-4357 A
 
 
Coord arcsec 2000 090723.26-435718.3 Mag 9.5 Spectral class A5/7II (white) PmRA -10.00
PmDE 1.0 SAO 220870 Tycho2 7689-02574-1 HD 78547
DM CP-43 3354
Tycho2
Tycho2 7689-02574-1 Pflag RAmdeg 136.84694714 DEmdeg -43.95508406
PmRA -17.5 PmDE 17.1 E RAmdeg 7 E DEmdeg 7
E pmRA 1.1 E pmDE 1.1 EpRAm 1990.75 EpDEm 1990.78
Num 6 Q RAmdeg 0.9 Q DEmdeg 1.1 Q pmRA 1.0
Q pmDE 1.2 BTmag 8.837 E BTmag 0.016 VTmag 8.553
E VTmag 0.013 Prox 222 TYC T HIP
CCDM RAdeg 136.84700333 DEdeg -43.95512361 EpRA 1990 1.67
EpDE 1990 1.73 E RAdeg 6.5 E DEdeg 6.5 Posflg
Corr -0.1
SAO
SAO 220870 DelFlag RA1950 PmRA1950 -0.0033
DE1950 PmDE1950 0.005 Vmag 8.5 SpType A3
Double code Source 48 CatNum 7011 DM CP-43 3354
DMcomp BDsup HD 78547 M HD 0
GC RA1950rad 2.38045454 DE1950rad -0.76363572 PmRA2000 -0.0027
PmDE2000 0.007
CCDM
Ccdm 09074-4357 RComp Comp A Note1
Note2 Discov num DRAs -0.94 DDEs -19.4
R dRAs 10 Year Theta Rho
Obs 3 Vmag 9.5 Sp A3 PmNote *
PmRA -36 PmDE 5 Dm number -43 4952 Cat1 CD
Name2 220870 Cat2 SAO HD 78547 M HD
ADS BDS M ADS BDS N IDS IDS 09037S4333A
HIC
 
 
09074-4357 B
 
 
Coord arcsec 2000 090723.26-435718.3 Mag 9.9 Calc delta mag 0.4 Calc coord yes
CCDM
Ccdm 09074-4357 RComp Comp B Note1
Note2 Discov num B 1646 DRAs DDEs
R dRAs Year 1929 Theta 024 Rho 0.3
Obs 2 Vmag 9.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 09037S4333B
HIC
 
 
09074-4357 C
 
 
Coord arcsec 2000 090724.43-435731.8 Mag 10.09 PmRA -17.00 PmDE 16.0
Tycho2 7689-02619-1 Calc delta mag 0.59 Calc coord yes
Tycho2
Tycho2 7689-02619-1 Pflag RAmdeg 136.85373336 DEmdeg -43.95885136
PmRA -15.2 PmDE 12.6 E RAmdeg 19 E DEmdeg 19
E pmRA 1.3 E pmDE 1.3 EpRAm 1985.40 EpDEm 1985.33
Num 4 Q RAmdeg 0.8 Q DEmdeg 2.1 Q pmRA 0.8
Q pmDE 2.1 BTmag 10.366 E BTmag 0.032 VTmag 10.092
E VTmag 0.034 Prox 222 TYC T HIP
CCDM RAdeg 136.85378278 DEdeg -43.95887889 EpRA 1990 1.69
EpDE 1990 1.71 E RAdeg 21.1 E DEdeg 20.8 Posflg D
Corr -0.1
CCDM
Ccdm 09074-4357 RComp Comp C Note1
Note2 Discov num HJ 4180 DRAs DDEs
R dRAs Year 1913 Theta 128 Rho 22.6
Obs 1 Vmag 9.7 Sp F0 PmNote
PmRA -29 PmDE 6 Dm number -43 4954 Cat1 CD
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 09037S4333C
HIC