Notes for HD 219542 B
Alias BD-02 5917B
by
Jean Schneider
update: 4 May 2004
The planet(s):
- Detection method: Radial Velocity
- Basic data:
| Name: |
HD 219542B b |
| M.sini: |
0.30 MJ |
| Semi-major axis: |
0.46 AU |
| Orbital period: |
112.1 ± 1.2 d. |
| Eccentricity: |
0.32 ± 0.15 |
| Omega (deg): |
51 ± 33 |
| T_peri (JD-2450000): |
1770.6 ± 8.0 |
| Inclinaison: |
- |
- Remarks:
03 May. 04: No planet (Desidera et al 2004)
07 Apr. 03: Still possible that "RV" variations dues to
stellar activity
- References:
- DESIDERA S., GRATTON R., ENDL M., CLAUDI R., COSENTINO R., BARBIERI M.,
et al. 2004
No planet around HD 219542 B.
Astron. & Astrophys., 420, L27
paper
- DESIDERA S., GRATTON R., ENDL M., BARBIERI M., CLAUDI R., COSENTINO R.,
LUCATELLO S., MARZARI F. & SCUDERI S., 2003
A search for planets in the metal-enriched binary HD 219542.
Astron. & Astrophys., 405, 207
paper
- GRATTON R., BONANNO G., CLAUDI R., COSENTINO R., DESIDERA S., LUCATELLO S.
& SCUDERI S., 2001
Non-interacting main-sequence binaries with different chemical compositions:
Evidences of infall of rocky material?
Astron. & Astrophys., 377, 123
paper
- Other Web pages:
-
Padova Observatory data,
Radial
velocity curve and
press release
The star:
- Distance: 54.6 pc
- Spectral type: G7
- Apparent magnitude: V = 8.56
- Metallicity: [Fe/H] = +0.20
- Mass (M_sun): M = 1.06
- Coordinates (2000): RA = 23 16 34.9
DEC = -01 35 03
- More data:
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Extra-solar Planets Catalog