TEPCat: TOI-277


 

This page summarises the information held within TEPCat for the transiting planetary system TOI-277. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2023MNRAS.519.1562M  
Date of discovery paper 2022 / 11 / 17 y / m / d
Data/telescope used for discovery TESS  
Right ascension 01 16 18.54 h m s
Declination −20 57 07.9 d m s
Right ascension (decimal) 19.07725 degrees
Declination (decimal) -20.95219 degrees
V-band apparent magnitude 13.50 mag
K-band apparent magnitude 9.56 mag
Transit duration 0.088
( 2.11 )
day
hour
Transit depth 0.5 %
Time of mid-transit   2459119.8264 ± 0.0017     HJD or BJD
Orbital period 3.9940 ± 0.0004 days
Reference for orbital ephemeris   2023MNRAS.519.1562M  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 4031 +21 −23 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.01 +0.07 −0.09 dex
Stellar mass 0.16 ± 0.01   Msun
Stellar radius 0.362 +0.008 −0.004 Rsun
Stellar logarithmic surface gravity 4.58 +0.10 −0.13 c.g.s.
Stellar mean density 3.4 ± 0.3
( 4.80 ± 0.42 )
ρsun
g cm-3
Orbital eccentricity  
Orbital semimajor axis   0.0269 ± 0.0011  AU
Planetary mass Mjup
Mearth
Planetary radius 0.236 ± 0.016
( 2.65 ± 0.18 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature K
Reference of detailed study 2023MNRAS.519.1562M  

 

TOI-277 does not have an entry in the catalogue of orbital obliquity measurements.

 


Page generated on 2024/03/28           John Southworth   (Keele University, UK)