Notes for rho CrB

by Jean Schneider

update: 29 March 2005

The planet(s):

• Detection method: Radial Velocity
• Basic data:

  Name:	rho CrB
  M.sini:	1.04 MJ
  Semi-major axis:	0.22 AU
  Orbital period:	39.945 d.
  Eccentricity:	0.04 ± 0.15
  Omega (deg):	311
  T_peri (JD-2450000):	85.93
  Inclination:	-

• 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. BEICHMAN C., BRYDEN G., PIEKE G., STANSBERRY J., TRILLING D., STAPELFELDT K., WERNER M., ENGELBRECHT C., BLAYLOCK M., GORDON K., CHEN C., SU K. & HINES D., 2004
     Planets and IR Excesses: Preliminary Results from a Spitzer MIPS Survey of Solar-Type Stars.
     ApJ. , 622, 1160
     paper
  2. GIMENEZ A., 2000
     ubvy Photometry of stars with planets.
     Astron. & Astrophys., 356, 213.
     paper
  3. GREAVES J., HOLLAND W., JAYAWARDHANA R.,DENT W., WYATT M ., 2004
     A search for debris discs around stars with giant planets.
     MNRAS, 348, 1078
     paper
  4. HAN I., BLACK D. & GATEWOOD G., 2000
     Preliminary astrometric masses for proposed exrasolar planetary companions.
     ApJ. Letters, 548, L57
     paper
  5. 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
  6. 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
  7. 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
  8. RYAN S, 2000
     The Host Stars of Extrasolar Planets Have Normal Lithium Abundances.
     MNRAS, in press preprint
  9. 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
  10. 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
  11. TRILLING D., BROWN R. & RIVKIN A., 2000
      Circumstellar dust disks around stars with known planetary companions.
      ApJ., 529, 499
      paper
  12. 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)

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)