TEPCat: GJ 1132


 

This page summarises the information held within TEPCat for the transiting planetary system GJ 1132. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2015Natur.527..204B  
Date of discovery paper 2015 / 11 / 11 y / m / d
Right ascension 10 14 51.85 h m s
Declination −47 09 24.5 d m s
V-band apparent magnitude 13.49 mag
K-band apparent magnitude 8.32 mag
Transit duration 0.0326
( 0.782 )
day
hour
Transit depth 0.3 %
Time of mid-transit   2457184.55759 ± 0.00030     HJD or BJD
Orbital period 1.6289287 ± 0.0000018 days
Reference for orbital ephemeris   2017AJ....153..191S  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 3270 ± 140 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.12 ± 0.15 dex
Stellar mass 0.181 ± 0.019   Msun
Stellar radius 0.255 ± 0.023 Rsun
Stellar logarithmic surface gravity 4.881 ± 0.074 c.g.s.
Stellar mean density 10.9 +3.4 −2.4
( 15.4 + 4.8 − 3.4 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.01533 ± 0.00053  AU
Planetary mass 0.0051 ± 0.0017
( 1.62 ± 0.54 )
Mjup
Mearth
Planetary radius 0.178 ± 0.014
( 2.00 ± 0.16 )
Rjup
Rearth
Planetary surface gravity 7.8 +3.4 −2.8
2.9 +0.2 −0.2
m/s2
log(cgs)
Planetary mean density 2.3 +1.3 −0.9
( 3.1 +1.7 −1.2 )
ρjup
g cm-3
Planetary equilibrium temperature 644 ± 38 K
Reference of detailed study 2017AJ....153..191S  

 

GJ 1132 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

GJ 1132 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2017/12/11           John Southworth   (Keele University, UK)