Notes for star Ups And

From the Extrasolar Planets Encyclopaedia : http://exoplanet.eu

Star : Ups And

THE STAR

- Basic data :

- More data :
	- Basic data (from Simbad) - Most recent ref (from ADS)

- Remarks :
	Alias HD 9826 08 May 2010: RV measurements also reveal a long-period trend indicating a fourth planet in the system (McArthur et al. 2010)

Name	ups And
Distance	13.47 (± 0.13) pc	ref.
Spectral Type	F8 V
Apparent Magnitude V	4.09
Mass	1.27 (± 0.06) M_sun	ref.
Age	3.8 (± 1) Gyr	ref.
Effective Temperature	6212 (± 80) K	ref.
Radius	1.631 (± 0.014) R_sun	ref.
Metallicity [Fe/H]	0.09 (± 0.06)	ref.
Right Asc. Coord.	01 36 48
Decl. Coord.	+41 24 38

3 PLANETS

- Basic data :

Name	ups And b		ups And c		ups And d
Discovered in	1996		1999		1999
Mass	0.69 (± 0.03) M_J	ref.	11.59 M_J	ref.	10.29 M_J	ref.
Semi major axis	0.059 (± 0.001) AU	ref.	0.822 AU	ref.	2.55 AU	ref.
Orbital period	4.617136 (± 4.7e-05) days	ref.	237.7 (± 0.2) days	ref.	1302.61 days	ref.
Eccentricity	0.013 (± 0.016)	ref.	0.224	ref.	0.32	ref.
ω	51 deg.	ref.	250.8 (± 4.9) deg.	ref.	250.36 deg.	ref.
T_peri	4425.02 (± 0.64) JD 2.400.000	ref.	49956.109 JD 2.400.000	ref.	50008.57 JD 2.400.000	ref.
Inclination	> 30 deg.	ref.	9.3 deg.	ref.	23.14 deg.	ref.
Update	08/05/10		08/05/10		08/05/10

- Molecules detected :

Name	ups And b		ups And c		ups And d
Molecules	None		None		None

- ups And Remarks :

υ And b Notes:
13 Oct. 06: Detection of day/night variation of thermal emission (Harrington et al. et al., 2006)
20 Apr. 03: Planet in wide (a ~ 750 AU) binary system (Eggenberger et al 2003)
21 May. 02:A M4.5 V stellar companion detected at ~ 750 AU (Lowrance et al. 2002)
22 Nov. 00: From astrometry Han et al. (2000) claim a preliminary mass of 10 M_J and inclination of 155.5^o for the planet d.
Circumstellar disk searched for at UKIRT and KECK but not found (Trilling et al.1999, 2000)

υ And c Notes:
08 May 10: The value of the parameters are using dynamical stability analysis of the system (Table 15, McArthur et al 2010)
08 May 10: Mutual inclination between planets c and d: 30.4 deg.
20 Apr 03: Planet in wide (a ~ 750 AU) binary system (Eggenberger et al 2003)
21 May 02:A M4.5 V stellar companion detected at ~ 750 AU (Lowrance et al. 2002)
22 Nov 00: From astrometry Han et al. (2000) claim a preliminary mass of 10 M_J and inclination of 155.5^o for the planet d.
Circumstellar disk searched for at UKIRT and KECK but not found (Trilling et al.1999, 2000)

υ And d Notes:
08 May 10: The value of the parameters are using dynamical stability analysis of the system (Table 15, McArthur et al 2010)
08 May 10: Mutual inclination between planets c and d: 30.4 deg.
20 Apr 03: Planet in wide (a ~ 750 AU) binary system (Eggenberger et al 2003)
21 May 02:A M4.5 V stellar companion detected at ~ 750 AU (Lowrance et al. 2002)
22 Nov 00: From astrometry Han et al. (2000) claim a preliminary mass of 10 M_J and inclination of 155.5^o for the planet d.
Circumstellar disk searched for at UKIRT and KECK but not found (Trilling et al.1999, 2000)

- ups And Other web pages :
	Upsilon Andromedae Today: The Apsidal Lock in Action (.AVI movie) (Eugene Chiang) Evolution of Upsilon Andromedae: The Key to the Apsidal Lock (.AVI movie) (Eugene Chiang) Velocity curve (Marcy and Butler)