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Doubles in session


Current system
05020+4349
BU 554 AB


Nearby doubles
20' : 05010+4406
SMR 44

20' : 05006+4402
SMR 43

23' : 05000+4342
SMR 42

26' : 05042+4341
J 13

38' : 04599+4319
A 1551AB

39' : 04594+4323
TDS3028

39' : 04588+4408
STF 613AB

41' : 04584+4401
COU2172

44' : 04582+4403
COU2171

49' : 05065+4347
COU2465

57' : 04574+4323
HEI9006AB

59' : 04572+4322
ES 1527AB

60' : 05053+4303
COU2462

60' : 05069+4415
COU2466

61' : 05003+4252
J 12

62' : 05077+4342
J 1249

64' : 04578+4305
MCK 2

65' : 05069+4427
KPP3595

69' : 05083+4347
FYM 588

69' : 05083+4355
TVB 91

71' : 04565+4311
A 1550

75' : 05047+4458
A 1022AB

78' : 04559+4432
A 1302

80' : 04546+4345
J 11

83' : 05046+4232
ES 1621

86' : 05078+4448
KPP2395



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.

05020+4349 BU 554 AB

 
 
05h 01m 58.13s +43° 49' 23.9" P.A. 226.00 sep 29.8 mag 2.99,14.00 Sp A2I dist. 653.59 pc (2132.01 l.y.)
 
 
Coord 2000 05020+4349 Discov num BU  554 Comp AB Coord arcsec 2000 05 01 58.13 +43 49 23.9
Date first 1878 Date last 2013 Obs 8
Pa first 225 Pa last 225.9 P.A. Now (θ) 225.9°
Sep first 29.3 Sep last 29.84 Sep. Now (ρ) 29.84"
Mag pri 2.99 Mag sec 14.00 delta mag (ΔM) 11.01 Spectral class A2I (white)
Pri motion ra +001 Sec motion ra
Pri motion dec -003 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
05020+4349 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 39955 05 01 58 +43 49 24 BU 554 AB 2013 8 226 29.8 2.99 14.00 11.01 Y <===
Show Almaaz 39955 05 01 58 +43 49 24 BU 554 AC 2019 13 277 43.6 2.99 11.26 8.27
Show 39955 05 01 58 +43 49 24 BU 554 AD 2013 9 316 45.0 2.99 13.40 10.41
Show 39955 05 01 58 +43 49 24 BU 554 AE 2013 13 48 207.3 2.99 9.60 6.61
Show 39955 05 01 58 +43 49 24 STU 19 AF 2013 8 272 222.9 2.99 11.02 8.03
Show 39955 05 01 58 +43 49 24 SMR 25 AG 2013 4 15 100.9 2.99 14.00 11.01
Show 39955 05 01 58 +43 49 24 SMR 25 AH 2013 4 22 123.2 2.99 13.50 10.51
Show 39955 05 01 58 +43 49 24 SMR 25 AI 2013 4 141 111.4 2.99 13.50 10.51
Show 39955 05 01 58 +43 49 24 SMR 25 AJ 2013 4 160 132.3 2.99 13.50 10.51
Show 39955 05 01 58 +43 49 24 SMR 25 AK 2012 1 301 28.8 2.99 14.00 11.01
11-fold system
11 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Common name Almaaz Constellation Auriga SAO 39955 HIP 23416
Tycho2 2907-01275-1 Gaia DR2 205499655242974464 HD 31964 HR 1605
GC 6123 ADS 3605 BD BD+43 1166 Bayer Epsilon Aurigae
Bayer name Eps Aur Flamsteed 7 Aurigae Flamsteed name 7 Aur FK5 183
Distance 653.59 Distance ly 2132.01 Bayer greek ε Aur
Other names Al Anz
Meaning goat
 
 
ORBITAL ELEMENTS
 
 
Period (P)9887d (27.07y) Periastron (T)33373.5d (1950.249y) Semi-major axis (a)22.4m
Eccentricity (e)0.07 Inclination (i)87° Longitude of periastron (ω)0°
Node (Ω)264° Notesn ReferenceHIP1997d
Equinox Last observation1991 Grade9(1=Definitive, 9=Indet.)
label theta rho
2000 257.4 0.009
2001 260.3 0.013
2002 261.8 0.017
2003 262.8 0.020
2004 263.7 0.021
2005 264.5 0.021
2006 265.4 0.019
2007 266.5 0.016
2008 268.2 0.013
2009 271.6 0.008
2010 285.7 0.003
2011 57.3 0.003
2012 75.3 0.007
2013 79.1 0.012
2014 80.9 0.016
2015 82.0 0.020
2016 82.8 0.022
2017 83.4 0.024
2018 84.0 0.024
2019 84.7 0.023
2020 85.3 0.022
2021 86.2 0.019
2022 87.3 0.016
2023 89.3 0.011
2024 93.7 0.007
2025 121.4 0.002
2026 246.8 0.004
2027 257.1 0.009
2028 260.2 0.013
2029 261.7 0.017
2030 262.8 0.019


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


 
  


wds05020%2B4349s.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 05020+4349 BU 554 AB : NOTES
 
 
discov_num notes refcode
BU 554 AB: eps Aur = 7 Aur = Almaaz. Strand orbit rejected from Fourth Orbit Str1959
Catalog ("amplitude below noise level") Wor1983
Mk III Limb-darkened diameter 2.17 +/- 0.03 mas. MkT2001
Mk III Limb-darkened diameter 2.096 +/- 0.086 mas. MkT2003
NPOI Limb-darkened diameter 2.28 +/- 0.09 mas. NOI2001b
NPOI Limb-darkened diameter 2.210 +/- 0.012 mas, Sp = A2I, NOI2018
Teff = 7977 +/-292 K, M = 2.16 +/- 0.39 \msun, Age = 0.62 +/- 0.22 Gyr.
eps Aur A is a enigmatic supergiant eclipsing system. Also a spectroscopic and
eclipsing binary Fin1970b
Hipparcos astrometric solution adopted some elements from the orbit of HIP1997d
Heintz & Cantor (1994). Hei1994b
 
 
REFERENCES
 
 
refcode metd author reference
Fin1970b - Finsen, W.S. & Worley, C.E. 1970ROCi..130..203F
Fin1970b Republic Obs. Circ. 130, 203, 1970 (Third Orbit Catalog)
Hei1994b orb - Heintz, W.D. & Cantor, B. 1994PASP..106..363H
Hei1994b PASP 106, 363, 1994
HIP1997d orb - Hipparcos 1997yCat.1239....0E
HIP1997d Hipparcos Catalog, ESA SP-1200, 1997
HIP1997d (DMSA/O Orbital Solutions)
MkT2001 not j Nordgren, T.E., Sudol, J.J. & Mozurkewich, D. 2001AJ....122.2707N
MkT2001 AJ 122, 2707, 2001 .
MkT2003 Km - Mozurkewich, D., Armstrong, J.T., Hindsley, R., Quirrenbach, A., Hummel, C.A., 2003AJ....126.2502M
MkT2003 +not Hutter, D., Johnston, K.J., Hajian, A., Elias, N.M., II, Buscher, D., & Simon, R.
MkT2003 AJ 126, 2502, 2003
NOI2001b not j Nordgren, T.E., Sudol, J.J. & Mozurkewich, D. 2001AJ....122.2707N
NOI2001b AJ 122, 2707, 2001 .
NOI2018 not j Baines, E.K., Armstrong, J.T., Schmitt, H.R., Zavala, R.T., Benson, J.A., Hutter, 2018AJ....155...30B
NOI2018 D.J., Tycner, C. & van Belle, G.T.
NOI2018 AJ 155, 30, 2018
Str1959 orb - Strand, K.A. 1959AJ.....64..346S
Str1959 AJ 64, 346, 1959
Wor1983 - Worley, C.E. & Heintz, W.D. 1983PUSNO..24g...1W
Wor1983 Pub. USNO 24, Pt. 7, 1983 (Fourth Orbit Catalog)
 
 
DISCOVERER
 
 
idgroup discov author
1 BU Burnham, S.W. (BU 1 - 81)
179 SMR Schlimmer, J.
234 STU Sturdy, K.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
05020+4349 BU 554 AB 1925 5 224 28.6 2.99 14.00 F0Iae N 050158.13+434923.9
05020+4349 BU 554 AB 2008 6 225 29.7 2.99 14.00 F0Iae N 050158.13+434923.9
05020+4349 BU 554 AB 2012 7 226 28.9 2.99 14.00 F0Iae N 050158.13+434923.9
05020+4349 BU 554 AB 2013 8 226 29.8 2.99 14.00 A2I N 050158.13+434923.9

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

 
 
WDS 05020+4349 BU 554 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 05020+4349 BU 554 AB : MEASURES
 
 
No records found.

 
 
WDS 05020+4349 : VIRTUAL EYEPIECE
 
 

05020+4349 BU 554A mag 2.99 Sp A2I 05020+4349 BU 554B sep 25.9 P.A. 216.70 mag 14 05020+4349 BU 554C sep 31.6 P.A. 279.00 mag 11.26 Sp B 05020+4349 BU 554D sep 39.5 P.A. 325.30 mag 13.4 Sp B 05020+4349 BU 554E sep 177.7 P.A. 38.80 mag 9.6 Sp B 05020+4349 STU 19F sep 160.9 P.A. 272.80 mag 11.02 Sp B 05020+4349 SMR 25G sep 99.4 P.A. 10.60 mag 14 Sp B 05020+4349 SMR 25H sep 119.0 P.A. 16.20 mag 13.5 Sp B 05020+4349 SMR 25I sep 100.1 P.A. 149.30 mag 13.5 Sp B 05020+4349 SMR 25J sep 128.4 P.A. 165.00 mag 13.5 Sp B 05020+4349 SMR 25K sep 23.2 P.A. 309.90 mag 14 Sp B 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 05020+4349 : ALADIN DSS IMAGE @ 05h 01m 58.13s +43° 49' 23.9"
 
 
 
 
WDS 05020+4349 BU 554 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

05020+4349 BU 554AB (Almaaz) distance=0' 05010+4406 SMR 44 distance=20' 05006+4402 SMR 43 distance=20' 05000+4342 SMR 42 distance=23' 05042+4341 J 13 distance=26' 04599+4319 A 1551AB distance=38' 04599+4319 ES 14AB,C distance=38' 04599+4319 ES 14CD distance=39' 04594+4323 TDS3028 distance=39' 04588+4408 STF 613BC distance=39' 04588+4408 STF 613AB distance=39' 04588+4408 STF 613AC distance=39' 04584+4401 COU2172 distance=41' 04582+4403 COU2171 distance=44' 05065+4347 COU2465 distance=49' 04574+4323 HEI9006AB distance=57' 04574+4323 HEI9006AC distance=57' 04572+4322 ES 1527AB distance=59' 04572+4322 ES 1527AC distance=59' 05053+4303 COU2462 distance=60' 05069+4415 COU2466 distance=60' 05003+4252 J 12 distance=61' 05077+4342 J 1249 distance=62' 04578+4305 MCK 2 distance=64' 05069+4427 KPP3595 distance=65' 05083+4347 FYM 588 distance=69' 05083+4355 TVB 91 distance=69' 04565+4311 A 1550 distance=71' 05047+4458 A 1022AB distance=75' 05047+4458 A 1022AB,C distance=75' 05047+4458 A 1022AB,D distance=75' 04559+4432 A 1302 distance=78' 04549+4404 DCH 117Aa,Ab distance=79' 04546+4345 J 11 distance=80' 05046+4232 ES 1621 distance=83' 05078+4448 KPP2395 distance=86' 05032+4223 ES 1620BC distance=87' 05032+4223 ES 1620BD distance=87' 05032+4223 ES 1620AB distance=88' 04581+4506 ES 1372 distance=88' 05083+4254 HDS 675 distance=89' 05018+4221 TOK 494AB distance=89' 04538+4405 A 1548 distance=90' 04593+4222 TDS3027 distance=92' 05057+4516 COU2463 distance=96' 04538+4429 KPP3178 distance=97' 05052+4219 SKF2005 distance=98' 04559+4502 HDS 636 distance=98' 05061+4222 COU2464 distance=100' 05107+4426 SKF1836 distance=102' 05009+4532 STJ 101 distance=103' 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 Almaaz 05020+4349 BU 554 AB 226 29.8
Show Almaaz 05020+4349 BU 554 AC 277 43.6
Show Almaaz 05020+4349 BU 554 AD 316 45.0
Show Almaaz 05020+4349 BU 554 AE 48 207.3
Show Almaaz 05020+4349 STU 19 AF 272 222.9
Show Almaaz 05020+4349 SMR 25 AG 15 100.9
Show Almaaz 05020+4349 SMR 25 AH 22 123.2
Show Almaaz 05020+4349 SMR 25 AI 141 111.4
Show Almaaz 05020+4349 SMR 25 AJ 160 132.3
Show Almaaz 05020+4349 SMR 25 AK 301 28.8
Show 05010+4406 SMR 44 126 4.3 20
Show 05006+4402 SMR 43 61 6.2 20
Show 05000+4342 SMR 42 303 5.9 23
Show 05042+4341 J 13 177 2.1 26
Show 04599+4319 A 1551 AB 273 0.2 38
Show 04599+4319 ES 14 AB,C 157 33.4 38
Show 04599+4319 ES 14 CD 284 4.8 39
Show 04594+4323 TDS3028 294 0.7 39
Show 04588+4408 STF 613 BC 18 16.0 39
Show 04588+4408 STF 613 AB 99 11.5 39
Show 04588+4408 STF 613 AC 50 21.4 39
Show 04584+4401 COU2172 181 0.3 41
Show 04582+4403 COU2171 6 1.1 44
Show 05065+4347 COU2465 227 0.5 49
Show 04574+4323 HEI9006 AB 131 6.2 57
Show 04574+4323 HEI9006 AC 341 36.0 57
Show 04572+4322 ES 1527 AB 141 3.2 59
Show 04572+4322 ES 1527 AC 319 11.6 59
Show 05053+4303 COU2462 75 1.5 60
Show 05069+4415 COU2466 137 0.9 60
Show 05003+4252 J 12 234 3.0 61
Show 05077+4342 J 1249 18 2.1 62
Show 04578+4305 MCK 2 276 8.5 64
Show 05069+4427 KPP3595 80 2.9 65
Show 05083+4347 FYM 588 250 11.7 69
Show 05083+4355 TVB 91 235 14.9 69
Show 04565+4311 A 1550 149 0.7 71
Show 05047+4458 A 1022 AB 342 0.6 75
Show 05047+4458 A 1022 AB,C 273 9.4 75
Show 05047+4458 A 1022 AB,D 318 11.4 75
Show 04559+4432 A 1302 3 0.6 78
Show 04549+4404 DCH 117 Aa,Ab 340 0.9 79
Show 04546+4345 J 11 21 1.5 80
Show 05046+4232 ES 1621 191 4.0 83
Show 05078+4448 KPP2395 345 20.6 86
Show 05032+4223 ES 1620 BC 308 3.8 87
Show 05032+4223 ES 1620 BD 103 6.7 87
Show 05032+4223 ES 1620 AB 5 16.4 88
Show 04581+4506 ES 1372 96 4.9 88
Show 05083+4254 HDS 675 176 0.4 89
Show 05018+4221 TOK 494 AB 9 616.0 89

 
 
WDS 05020+4349 : COMPONENTS
 
 
  A B C D E F G H I J
B pa=216.7°
sep=25.89"
 
C pa=279.0°
sep=31.64"
pa=328.4°
sep=30.17"
 
D pa=325.3°
sep=39.52"
pa=352.5°
sep=53.73"
pa=17.6°
sep=28.93"
 
E pa=38.8°
sep=177.65"
pa=38.5°
sep=203.52"
pa=46.9°
sep=195.31"
pa=51.6°
sep=170.65"
 
F pa=272.8°
sep=160.88"
pa=281.1°
sep=148.02"
pa=271.3°
sep=129.47"
pa=259.9°
sep=140.39"
pa=244.3°
sep=301.71"
 
G pa=10.6°
sep=99.36"
pa=15.9°
sep=123.14"
pa=28.1°
sep=105.11"
pa=32.0°
sep=76.84"
pa=246.3°
sep=101.60"
pa=63.3°
sep=200.20"
 
H pa=16.2°
sep=119.05"
pa=19.8°
sep=143.59"
pa=30.5°
sep=126.95"
pa=34.2°
sep=98.96"
pa=252.8°
sep=81.76"
pa=61.2°
sep=221.17"
pa=41.9°
sep=22.37"
 
I pa=149.3°
sep=100.10"
pa=134.5°
sep=93.24"
pa=137.9°
sep=122.73"
pa=148.2°
sep=139.55"
pa=195.0°
sep=232.52"
pa=113.9°
sep=231.65"
pa=169.9°
sep=186.69"
pa=174.9°
sep=201.25"
 
J pa=165.0°
sep=128.38"
pa=154.7°
sep=114.15"
pa=153.4°
sep=144.18"
pa=160.4°
sep=166.13"
pa=196.6°
sep=273.81"
pa=124.2°
sep=234.53"
pa=176.1°
sep=222.18"
pa=180.0°
sep=238.33"
pa=205.1°
sep=41.84"
 
K pa=309.9°
sep=23.20"
pa=356.2°
sep=35.72"
pa=53.5°
sep=16.73"
pa=165.1°
sep=18.23"
pa=226.2°
sep=178.70"
pa=87.2°
sep=143.07"
pa=203.5°
sep=90.29"
pa=207.1°
sep=111.75"
pa=325.7°
sep=122.22"
pa=339.8°
sep=147.97"
 
 
05020+4349 A
 
 
Common name Almaaz Meaning goat Other names Al Anz Coord arcsec 2000 050158.13+434923.9
Mag 2.99 Spectral class A2I (white) PmRA 1.00 PmDE -3.0
SAO 39955 HIP 23416 Tycho2 2907-01275-1 HD 31964
HR 1605 GC 6123 BD BD+43 1166 Bayer Epsilon Aurigae
Bayer name Eps Aur Flamsteed 7 Aurigae Flamsteed name 7 Aur FK5 183
Tycho2
Tycho2 2907-01275-1 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 3.644 E BTmag 0.014 VTmag 3.069
E VTmag 0.009 Prox 999 TYC T HIP 23416
CCDM RAdeg 75.49223306 DEdeg 43.82331361 EpRA 1990 1.72
EpDE 1990 1.11 E RAdeg 3.2 E DEdeg 3.5 Posflg
Corr -0.3
SAO
SAO 39955 DelFlag RA1950 PmRA1950 0.0001
DE1950 PmDE1950 -0.004 Vmag 3.5 SpType F5p
Double code Source 74 CatNum 183 DM BD+43 1166
DMcomp BDsup HD 31964 M HD 0
GC 6123 RA1950rad 1.30190872 DE1950rad 0.76360752 PmRA2000 0
PmDE2000 -0.005
Hipparcos
Catalog H HIP 23416 Proxy RAhms 05 01 58.13
DEdms +43 49 23.9 Vmag 3.03 VarFlag 2 R Vmag H
RAdeg 75.4922 DEdeg 43.8233 AstroRef + Plx 1.6
CCDM 05020+4350 N CCDM I Nsys 1 Ncomp 1
MultFlag O Source Qual M HIP
Theta Rho HD 31964 BD BD+43 1166
CD CP Dm number +43 1166 VIred 0.61
SpType F0Ia R SpType Coord arcsec 2000 050158.13+434923.9
Hipparcos 2
HIP 23416 Sn 75 So 4 Nc 1
RArad 1.3175878239 DErad 0.7648611127 Plx 1.53 PmRA -0.86
PmDE -2.66 E RArad 1.11 E DErad 0.63 E Plx 1.29
E pmRA 1.38 E pmDE 0.75 Hpmag 3.1457 E Hpmag 0.0062
SHp 0.036 VA 1 BV 0.537 E BV 0.008
VI 0.61
 
 
05020+4349 B
 
 
Coord arcsec 2000 050156.70+434903.1 Mag 14 Calc delta mag 11.01 Calc coord yes
 
 
05020+4349 C
 
 
Coord arcsec 2000 050155.24+434928.8 Mag 11.26 Spectral class B (blue-white) PmRA 0.00
PmDE -3.0 Calc delta mag 8.27 Calc coord yes
 
 
05020+4349 D
 
 
Coord arcsec 2000 050156.05+434956.4 Mag 13.4 Spectral class B (blue-white) PmRA -1.00
PmDE -4.0 Calc delta mag 10.41 Calc coord yes
 
 
05020+4349 E
 
 
Coord arcsec 2000 050208.42+435142.4 Mag 9.6 Spectral class B (blue-white) PmRA 0.00
PmDE 0.0 Calc delta mag 6.61 Calc coord yes
 
 
05020+4349 F
 
 
Coord arcsec 2000 050143.28+434931.7 Mag 11.02 Spectral class B (blue-white) PmRA 46.00
PmDE -43.0 Calc delta mag 8.03 Calc coord yes
 
 
05020+4349 G
 
 
Coord arcsec 2000 050159.81+435101.6 Mag 14 Spectral class B (blue-white) Calc delta mag 11.01
Calc coord yes
 
 
05020+4349 H
 
 
Coord arcsec 2000 050201.19+435118.2 Mag 13.5 Spectral class B (blue-white) Calc delta mag 10.51
Calc coord yes
 
 
05020+4349 I
 
 
Coord arcsec 2000 050202.85+434757.8 Mag 13.5 Spectral class B (blue-white) Calc delta mag 10.51
Calc coord yes
 
 
05020+4349 J
 
 
Coord arcsec 2000 050201.20+434719.9 Mag 13.5 Spectral class B (blue-white) Calc delta mag 10.51
Calc coord yes
 
 
05020+4349 K
 
 
Coord arcsec 2000 050156.49+434938.8 Mag 14 Spectral class B (blue-white) Calc delta mag 11.01
Calc coord yes