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

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.	1.92 (± 0.16) M_J	ref.	4.13 (± 0.35) M_J	ref.
Semi major axis	0.059 (± 0.001) AU	ref.	0.832 (± 0.048) AU	ref.	2.51 (± 0.1) AU	ref.
Orbital period	4.617136 (± 4.7e-05) days	ref.	241.33 (± 0.2) days	ref.	1278.1 (± 2.9) days	ref.
Eccentricity	0.013 (± 0.016)	ref.	0.224 (± 0.021)	ref.	0.267 (± 0.021)	ref.
ω	51 deg.	ref.	250.8 (± 4.9) deg.	ref.	269.7 (± 6.4) deg.	ref.
T_peri	4425.02 (± 0.64) JD 2.400.000	ref.	4265.57 (± 0.64) JD 2.400.000	ref.	3937.73 (± 0.64) JD 2.400.000	ref.
Inclination	> 30 deg.	ref.	-		-
Update	08/10/09		08/10/09		08/10/09

- Molecules detected :

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

- ups And Remarks :

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)
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)