RW Aurigae

RW Aurigae

Light curves for RW Aurigae derived from photographic plate data, adapted from Beck and Simon (2007)[1]
Observation data
Epoch J2000      Equinox J2000
Constellation Auriga
RW Aurigae A
Right ascension 05h 07m 49.4561s[2]
Declination +30° 24′ 04.7772″[2]
Apparent magnitude (V) 9.6
RW Aurigae B
Right ascension 05h 07m 49.5652s[3]
Declination 30° 24′ 05.1361″[3]
Characteristics
RW Aurigae A
Spectral type K1-K3[4]
Apparent magnitude (G) 12.2048±0.0093[5]
Variable type T Tau
RW Aurigae B
Spectral type K5[4]
Apparent magnitude (G) 13.3177±0.0653[6]
Astrometry
A
Proper motion (μ) RA: 2.747[2] mas/yr
Dec.: -27.558[2] mas/yr
Parallax (π)6.1157 ± 0.0665 mas[5]
Distance533 ± 6 ly
(164 ± 2 pc)
B
Proper motion (μ) RA: 4.238[3] mas/yr
Dec.: -24.996[3] mas/yr
Parallax (π)6.5835 ± 0.9023 mas[6]
Distanceapprox. 500 ly
(approx. 150 pc)
Position (relative to RW Aurigae A)[7]
ComponentRW Aurigae B
Epoch of observation4/6/2007
Angular distance1.448±0.005
Position angle255.9±0.3°
Projected separation237 AU
Details
A
Mass1.34±0.18[4] M
Luminosity0.59[4] L
Temperature5082[4] K
Rotation5.6 d.[8]
Age3±1[9] Myr
B
Mass0.9[10] M
Radius1.5[9] R
Luminosity0.6[9] L
Temperature4150±50[9] K
Age3±1[9] Myr
Other designations
BD+30 792, HD 240764, HIP 23873, TYC 2389-955-1, GSC 02389-00955, 2MASS J05074953+3024050
RW Aurigae A: Gaia DR2 156430822114424576
RW Aurigae B: Gaia DR2 156430817820015232
Database references
SIMBADdata

RW Aurigae is a young binary system in the constellation of Auriga about 530 light years away, belonging to the Taurus-Auriga association of the Taurus Molecular Cloud. RW Aurigae B was discovered in 1944.[7]

  1. ^ Cite error: The named reference Beck was invoked but never defined (see the help page).
  2. ^ a b c d Cite error: The named reference SIMBAD was invoked but never defined (see the help page).
  3. ^ a b c d Cite error: The named reference SIMBADB was invoked but never defined (see the help page).
  4. ^ a b c d e Skinner, Stephen L.; Guedel, Manuel (2014). "Chandra Resolves the T Tauri Binary System RW Aur". arXiv:1404.2631 [astro-ph.SR].
  5. ^ a b Cite error: The named reference DR2 was invoked but never defined (see the help page).
  6. ^ a b Cite error: The named reference DR2B was invoked but never defined (see the help page).
  7. ^ a b Cite error: The named reference Bisikalo2012 was invoked but never defined (see the help page).
  8. ^ Dodin, A. V.; Lamzin, S. A.; Chountonov, G. A. (2011). "Magnetic field of young star RW Aur". Astronomy Letters. 38 (3): 167–179. arXiv:1111.2309. doi:10.1134/S1063773712020028. S2CID 117871951.
  9. ^ a b c d e Cite error: The named reference Dodin2020 was invoked but never defined (see the help page).
  10. ^ Cite error: The named reference Cuello2019 was invoked but never defined (see the help page).

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