Notes for rho CrB

HD 143761, HR 5968

by Jean Schneider

update: 4 November 2001

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The planet(s):

• Detection method: Radial Velocity
• Basic data:

  Name:	rho CrB
  M.sini:	1.1 MJ
  Semi-major axis:	0.23 AU
  Orbital period:	39.645 d.
  Eccentricity:	0.028 ± 0.15
  Omega (deg):	299
  T_peri (JD-2450000):	84.66
  Inclinaison:	-

• Remarks: 22 Nov. 00: From astrometry Han et al (2000) claim a preliminary mass of 115 M_J and inclination of 0.5^o
  Circumstellar disk found at 1.6, 2,1 2.3 and 2.5 microns by Trilling et al (1999). From the disk inclination (46 degrees ⁺⁴_-7 degrees) a planet mass of 1.5 M_J can be infered. Comment by G. Marcy & P. Butler.
• References:
  1. GIMENEZ A., 2000
     ubvy Photometry of stars with planets.
     Astron. & Astrophys., 356, 213.
     paper
  2. HAN I., BLACK D. & GATEWOOD G., 2000
     Preliminary astrometric masses for proposed exrasolar planetary companions.
     ApJ. Letters, accepted
     paper
  3. JONES B. & SLEEP P., 2002a
     The Orbits of Terrestrial Planets in the Habitable Zones of Known Exoplanetary Systems.
     in Scientific Frontiers in Research on Extrasolar Planets, edited by Deming and Seager. ASP Conference Series.
     paper
  4. NOYES R., JHA S., KORZENNIK S., KROCKENBERGER M., NISENSON P., BROWN T., KENNELLY E & HORNER S., 1997
     A planet orbiting the star Rho Corona Borealis
     ApJ.L. 483, L111
     abstract and paper
     erratum
  5. NOYES R., CONTOS A., KORZENNIK S., NISENSON P., BROWN T., HORNER S., 1998
     The planet orbiting rho COronae Borealis
     in IAU Colloquium 170 on Precise Stellar Radial Velocities , Victoria, BC, June 1998
     poster
  6. RYAN S, 2000
     The Host Stars of Extrasolar Planets Have Normal Lithium Abundances.
     MNRAS, in press preprint
  7. TAKEDA Y., SATO B., KAMBE E., AOKI W., HONDA S., KAWANOMOTO S., MASUDA S., IZUMIURA H., WATANABE E., KOYANO H., MAEHARA H., NORIMOTO Y., OKADA T., SHIMIZU Y., URAGUCHI F., YANAGIZAWA K. YOSHIDA M., NIYAMA S. & ANDO H., 2001
     Photospheric Abundances of Volatile and Refractory Elements in Planet-Harboring Stars.
     PASJ, 53, 1211
     paper
  8. TRILLING D., BROWN R. & RIVKIN A., 1999
     Circumstellar dust disks and extrasolar planets: Far-off analogs of our Solar System
     in 31^st Annual Meeting of the DPS
     abstract
  9. TRILLING D., BROWN R. & RIVKIN A., 2000
     Circumstellar dust disks around stars with known planetary companions.
     ApJ., 529, 499
     paper
  10. ZUCKER S. & MAZEH T., 2001
      On the Statistical Significance of the Hipparcos Astrometric Orbit of rho Coronae Borealis.
      MNRAS, submitted
      preprint
• Other Web pages:
  1. A Planet Orbiting the Star rho Coronae Borealis (AFOE Website)
  2. Position in the sky (from AFOE)
  3. Velocity curve (California and Carnegie Planet Search)
  4. MAP astrometric data (G. Gatewood)

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The star:

• Distance: 16.7 +/- 1.7 pc
• Spectral type: G0V or G2V
• Apparent magnitude: m_V = 5.40
• Coordinates (2000):    16 01 03.39RA =       DEC = +33 18 51.5
• Metallicity: [Fe/H] = -0.19
• Mass (M_sun): M = 0.95
• More data:
  • Basic Data (from simbad )
  • Most recent refs. (from ADS; enter ` rho CrB ' in the `objects' field)

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