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Doubles in session


Current system
08494+0341
A 2899


Nearby doubles
10' : 08487+0342
TDS6111

13' : 08492+0329
LEP 33

20' : 08505+0333
BAL2351

29' : 08507+0401
STF1286

30' : 08481+0317
BAL2348

31' : 08495+0311
SLW 300

33' : 08501+0311
BAL2349

35' : 08510+0405
SKF 734

39' : 08486+0304
A 2550

40' : 08480+0308
BAL2347AB

44' : 08503+0301
BAL2350

53' : 08522+0318
BAL2355

53' : 08510+0255
BAL2352

56' : 08515+0256
BAL2354

56' : 08512+0253
BAL2353

58' : 08465+0419
STF1267

60' : 08472+0251
CVR1163

62' : 08521+0428
STF1290

66' : 08486+0237
A 2551

69' : 08482+0235
BU 335

71' : 08452+0414
HJ 5542

72' : 08540+0325
SLW 310

81' : 08460+0234
GRV1008

81' : 08474+0226
LDS3819

85' : 08442+0414
BAL2823

89' : 08434+0340
BAL2821



Selections
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Binary Systems
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

08494+0341 A 2899

 
 
08h 49m 21.20s +03° 41' 02.3" P.A. 231.00 sep 0.7 mag 8.20,13.70 Sp G5 dist. 35.44 pc (115.61 l.y.)
 
 
Coord 2000 08494+0341 Discov num A  2899 Comp Coord arcsec 2000 08 49 21.20 +03 41 02.3
Date first 1914 Date last 2018 Obs 6
Pa first 356 Pa last 230.7 P.A. Now (θ) 230.7°
Sep first 1.6 Sep last 0.725 Sep. Now (ρ) 0.725"
Mag pri 8.20 Mag sec 13.70 delta mag (ΔM) 5.5 Spectral class G5 (yellow)
Pri motion ra -273 Sec motion ra
Pri motion dec -016 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hydra SAO 117167 HIP 43304 Tycho2 0216-00049-1
Gaia DR2 581201571564630784 HD 75318 ADS 7022 BD BD+04 2051
Distance 35.44 Distance ly 115.61
 
 
ORBITAL ELEMENTS
 
 
Period (P)300y Periastron (T)2123y± 51 Semi-major axis (a)1.53a± 0.19
Eccentricity (e)0.231± 0.059 Inclination (i)107.8°± 3.6 Longitude of periastron (ω)250.4°± 39.9
Node (Ω)4°± 5.1 Notes ReferenceTok2016e
Equinox2000 Last observation Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 269.2 0.566
2001 266.6 0.568
2002 264.0 0.571
2003 261.4 0.574
2004 258.9 0.579
2005 256.4 0.584
2006 254.0 0.591
2007 251.7 0.598
2008 249.4 0.607
2009 247.1 0.616
2010 245.0 0.625
2011 242.9 0.636
2012 240.8 0.647
2013 238.9 0.659
2014 237.0 0.671
2015 235.2 0.684
2016 233.4 0.697
2017 231.7 0.711
2018 230.1 0.725
2019 228.5 0.740
2020 227.0 0.754
2021 225.6 0.770
2022 224.2 0.785
2023 222.9 0.800
2024 221.6 0.816
2025 220.4 0.832
2026 219.2 0.848
2027 218.0 0.864
2028 217.0 0.880
2029 215.9 0.897
2030 214.9 0.913


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


 
  


wds08494%2B0341a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 08494+0341 A 2899 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2016e orb - Tokovinin, A. 2016AJ....152..138T
Tok2016e AJ 152, 138, 2016
 
 
DISCOVERER
 
 
idgroup discov author
1 A Aitken, R.G.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
08494+0341 A 2899 1922 2 353 1.6 8.20 13.70 G5 084921.37+034102.3
08494+0341 A 2899 2013 3 239 0.7 8.20 13.70 G5 084921.37+034102.3
08494+0341 A 2899 2015 5 235 0.7 8.20 13.70 G5 084921.37+034102.3
08494+0341 A 2899 2018 6 231 0.7 8.20 13.70 G5 O 084921.20+034102.3

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

 
 
WDS 08494+0341 A 2899 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 08494+0341 A 2899 : MEASURES
 
 
No records found.

 
 
WDS 08494+0341 : VIRTUAL EYEPIECE
 
 

08494+0341 A 2899A mag 8.2 Sp G5 08494+0341 A 2899B sep 0.7 P.A. 230.60 mag 13.7 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 08494+0341 : ALADIN DSS IMAGE @ 08h 49m 21.20s +03° 41' 02.3"
 
 
 
 
WDS 08494+0341 A 2899 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

08494+0341 A 2899 distance=0' 08487+0342 TDS6111 distance=10' 08492+0329 LEP 33 distance=13' 08505+0333 BAL2351 distance=20' 08507+0401 STF1286 distance=29' 08481+0317 BAL2348 distance=30' 08495+0311 SLW 300 distance=31' 08501+0311 BAL2349 distance=33' 08510+0405 SKF 734 distance=35' 08486+0304 A 2550 distance=39' 08480+0308 BAL2347AB distance=40' 08480+0308 DAM1485AC distance=40' 08503+0301 BAL2350 distance=44' 08522+0318 BAL2355 distance=53' 08510+0255 BAL2352 distance=53' 08515+0256 BAL2354 distance=56' 08512+0253 BAL2353 distance=56' 08465+0419 STF1267 distance=58' 08472+0251 CVR1163 distance=60' 08521+0428 STF1290 distance=62' 08486+0237 A 2551 distance=66' 08482+0235 BU 335 distance=69' 08452+0414 HJ 5542 distance=71' 08540+0325 SLW 310 distance=72' 08460+0234 GRV1008 distance=81' 08474+0226 LDS3819 distance=81' 08442+0414 BAL2823 distance=85' 08434+0340 BAL2821 distance=89' 08537+0240 BAL2356 distance=90' 08443+0431 SKF 500 distance=91' 08473+0216 CVR1164 distance=92' 08509+0213 TVB 205 distance=92' 08440+0424 BAL2822 distance=92' 08440+0245 A 2547 distance=98' 08543+0236 BAL1854 distance=99' 08558+0424 BAL2825 distance=105' 08440+0453 A 2898 distance=108' 08524+0520 A 2900 distance=110' 08516+0525 CVR 513 distance=111' 08534+0513 A 2752 distance=111' 08568+0413 BAL2826 distance=117' 08510+0147 GRV1011 distance=118' 08439+0508 A 2751 distance=119' 08415+0314 CVR 502 distance=122' 08429+0226 BAL1853 distance=122' 08570+0321 GRV1014 distance=129' 08484+0550 AGC 3 distance=130' 08539+0149 A 2554 distance=131' 08581+0344 SKF 755 distance=131' 08426+0215 BAL1852 distance=133' 08411+0433 TDS6035 distance=134' 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 08494+0341 A 2899 231 0.7
Show 08487+0342 TDS6111 94 0.6 10
Show 08492+0329 LEP 33 285 159.5 13
Show 08505+0333 BAL2351 110 14.2 20
Show 08507+0401 STF1286 82 29.2 29
Show 08481+0317 BAL2348 164 16.2 30
Show 08495+0311 SLW 300 98 16.3 31
Show 08501+0311 BAL2349 204 6.1 33
Show 08510+0405 SKF 734 343 2.1 35
Show 08486+0304 A 2550 204 0.4 39
Show 08480+0308 BAL2347 AB 204 4.0 40
Show 08480+0308 DAM1485 AC 204 4.0 40
Show 08503+0301 BAL2350 334 6.6 44
Show 08522+0318 BAL2355 334 11.2 53
Show 08510+0255 BAL2352 297 19.4 53
Show 08515+0256 BAL2354 40 8.6 56
Show 08512+0253 BAL2353 197 15.5 56
Show 08465+0419 STF1267 61 10.9 58
Show 08472+0251 CVR1163 307 4.1 60
Show 08521+0428 STF1290 325 2.8 62
Show 08486+0237 A 2551 158 0.1 66
Show 08482+0235 BU 335 265 2.6 69
Show 08452+0414 HJ 5542 137 65.0 71
Show 08540+0325 SLW 310 62 41.2 72
Show 08460+0234 GRV1008 163 10.6 81
Show 08474+0226 LDS3819 295 14.1 81
Show 08442+0414 BAL2823 74 15.4 85
Show 08434+0340 BAL2821 83 10.0 89
Show 08537+0240 BAL2356 300 14.2 90
Show 08443+0431 SKF 500 226 1.8 91
Show 08473+0216 CVR1164 319 3.7 92
Show 08509+0213 TVB 205 128 2.4 92
Show 08440+0424 BAL2822 208 12.6 92
Show 08440+0245 A 2547 59 0.2 98
Show 08543+0236 BAL1854 350 19.5 99
Show 08558+0424 BAL2825 110 10.1 105
Show 08440+0453 A 2898 76 1.7 108
Show 08524+0520 A 2900 314 0.7 110
Show 08516+0525 CVR 513 229 20.7 111
Show 08534+0513 A 2752 231 5.1 111
Show 08568+0413 BAL2826 294 16.4 117
Show 08510+0147 GRV1011 228 9.5 118
Show 08439+0508 A 2751 13 1.5 119
Show 08415+0314 CVR 502 140 11.4 122
Show 08429+0226 BAL1853 99 11.2 122
Show 08570+0321 GRV1014 71 25.5 129
Show 08484+0550 AGC 3 146 12.1 130
Show 08539+0149 A 2554 306 0.1 131
Show 08581+0344 SKF 755 139 2.1 131
Show 08426+0215 BAL1852 6 14.3 133
Show 08411+0433 TDS6035 118 0.9 134

 
 
WDS 08494+0341 : COMPONENTS
 
 
  A
B pa=230.6°
sep=0.72"
 
 
08494+0341 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 084921.20+034102.3 Mag 8.2 Spectral class G5 (yellow)
PmRA -273.00 PmDE -16.0 SAO 117167 HIP 43304
Tycho2 0216-00049-1 HD 75318 BD BD+04 2051
Tycho2
Tycho2 0216-00049-1 Pflag RAmdeg 132.33836177 DEmdeg 3.68399574
PmRA -274.8 PmDE 5.1 E RAmdeg 5 E DEmdeg 7
E pmRA 1.1 E pmDE 1.1 EpRAm 1991.17 EpDEm 1990.44
Num 12 Q RAmdeg 1.2 Q DEmdeg 1.4 Q pmRA 1.2
Q pmDE 1.5 BTmag 8.874 E BTmag 0.017 VTmag 8.030
E VTmag 0.012 Prox 999 TYC T HIP 43304
CCDM RAdeg 132.33900417 DEdeg 3.68398333 EpRA 1990 1.60
EpDE 1990 1.24 E RAdeg 5.4 E DEdeg 6.8 Posflg
Corr 0.1
SAO
SAO 117167 DelFlag RA1950 PmRA1950 -0.0186
DE1950 PmDE1950 0.002 Vmag 8.2 SpType G5
Double code Source 30 CatNum 3549 DM BD+04 2051
DMcomp BDsup HD 75318 M HD 0
GC RA1950rad 2.29838747 DE1950rad 0.0675474 PmRA2000 -0.0184
PmDE2000 0.006
Hipparcos
Catalog H HIP 43304 Proxy RAhms 08 49 21.37
DEdms +03 41 02.3 Vmag 7.96 VarFlag R Vmag H
RAdeg 132.339 DEdeg 3.68398 AstroRef Plx 30.16
CCDM 08494+0341 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 75318 BD BD+04 2051
CD CP Dm number +04 2051 VIred 0.79
SpType G5 R SpType Coord arcsec 2000 084921.37+034102.3
Hipparcos 2
HIP 43304 Sn 5 So 0 Nc 1
RArad 2.309751798 DErad 0.0642976113 Plx 28.22 PmRA -273.6
PmDE 6.61 E RArad 0.6 E DErad 0.43 E Plx 0.91
E pmRA 0.85 E pmDE 0.57 Hpmag 8.0963 E Hpmag 0.0015
SHp 0.013 VA 0 BV 0.746 E BV 0.002
VI 0.79
CCDM
Ccdm 08494+0341 RComp Comp A Note1
Note2 Discov num DRAs -2.82 DDEs 0.8
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.2 Sp G5 PmNote *
PmRA -281 PmDE -19 Dm number +04 2051 Cat1 BD
Name2 +03 1211 Cat2 AGK2/3 HD 75318 M HD
ADS BDS A 7022 M ADS BDS N IDS IDS 08442N0403A
HIC 43304
 
 
08494+0341 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 084921.16+034101.8 Mag 13.7 Calc delta mag 5.5
Calc coord yes
CCDM
Ccdm 08494+0341 RComp Comp B Note1
Note2 Discov num A 2899 DRAs DDEs
R dRAs Year 1914 Theta 354 Rho 1.6
Obs 2 Vmag 13.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 7022 M ADS BDS N IDS IDS 08442N0403B
HIC 43304