HD 207496 Overview
HD 207496
0.88
R⦿
4958.00
K
HD 207496 b
0.201
RJup
- Architecture
- HD 207496
- HD 207496
- Other Data
- Bibliography 13
- Exoplanet Archive Notes 1
- Nearby Data 4
Discovery Data
| Host | Planet | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|
| HD 207496 | HD 207496 b | Transit | 2023 | Barros et al. 2023 | Confirmed Planet |
HD 207496
- Some stellar parameter values may be biased due to companion blend (WDS Catalog)
- RA
- 21h54m52.36s
- Dec
- -77d20m19.69s
- Distance
- 23.6060±0.0179 pc
- Parallax
- 42.3332000±0.0318252 mas
- Ecliptic Latitude
- -58.20082 deg
- Ecliptic Longitude
- 290.81936 deg
- Galactic Latitude
- -35.79483 deg
- Galactic Longitude
- 313.77934 deg
- Total Proper Motion
- 292.2203092±0.0602199 mas/yr
- Proper Motion (RA)
- 224.8640000±0.0624526 mas/yr
- Proper Motion (Dec)
- -186.6250000±0.0568227 mas/yr
- Photometry
-
mV8.23±0.03
-
mTESS7.3661±0.0060
-
mJ6.570±0.023
-
mH6.085±0.023
-
mKs5.967±0.026
-
mGaia7.972550±0.000514
-
mB9.167±0.000
-
Abundances
(Hypatia Catalog) -
[Fe/H] 0.22±0.04 dex
-
[C/H] 0.45±0.09 dex
-
-
[Na/H] 0.09±0.04 dex
-
[Mg/H] -0.05±0.07 dex
-
[Al/H] 0.18±0.06 dex
-
[Si/H] 0.13±0.05 dex
-
[Ca/H] 0.18±0.06 dex
-
-
[BaII/H] 0.22±0.15 dex
| Source | Barros et al. 2023 | TICv8 | Turnbull 2015 | Gray et al. 2006 | Hawley et al. 1996 | Michigan Catalog, Vol. 1 | Cannon & Pickering 1918 | ExoFOP-TESS TOI | Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|---|---|---|---|---|---|
|
Teff
(K)
|
4819±94 |
4815.000+112.100-144.606
|
4958 | --- | --- | --- | --- | 4867±179 | ||
|
L✶
(log10(L⦿))
|
--- |
-0.5085751+0.0192906-0.0114772
|
-0.367 +0.066-0.077
|
--- | --- | --- | --- | --- | ||
|
M✶
(M⦿)
|
0.80±0.04 |
0.7800000+0.1001020-0.0829998
|
0.80 | --- | --- | --- | --- | --- | ||
|
R✶
(R⦿)
|
0.769±0.026 |
0.8001520+0.0663236-0.0467618
|
0.88 | --- | --- | --- | --- | 0.80±0.06 | ||
|
Sp. T
|
K2.5 V | --- | K3/4V | K2.5 V (k) | M2.5 | K3/4 V | K2 | --- | ||
|
ρ✶
(g/cm3)
|
2.50±0.28 |
2.146559+0.736083-0.448834
|
--- | --- | --- | --- | --- | --- | ||
|
log g
(log10(cm/s2))
|
4.507±0.040 |
4.5238200+0.0889557-0.1019410
|
--- | --- | --- | --- | --- | 4.438 | ||
|
Metallicity
(dex)
|
0.0950±0.0380 [Fe/H] | --- | --- | --- | --- | --- | --- | --- | ||
|
Age
(Gyr)
|
0.52±0.26 | --- | --- | --- | --- | --- | --- | --- | ||
|
CAII LOG RHK
|
-4.457±0.053 | --- | --- | --- | --- | --- | --- | --- | ||
|
Prot
(days)
|
12.36±0.12 | --- | --- | --- | --- | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity, Transit
| Source | Barros et al. 2023 | ExoFOP-TESS TOI | Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|
|
a/R✶
|
21.47+0.82-1.40
|
--- | ||
|
Teq
(K)
|
743±26 | 853 | ||
|
b
|
0.43+0.25-0.28
|
--- | ||
|
S
(S⨁)
|
72.9+8.5-7.5
|
87.8902 | ||
|
ω
(deg)
|
57±22 | --- | ||
|
Mp
(M⨁)
|
6.1±1.6 | --- | ||
|
Mp
(MJup)
|
0.019±0.005 | --- | ||
|
e
|
0.231+0.042-0.049
|
--- | ||
|
i
(deg)
|
88.79+0.80-0.75
|
--- | ||
|
P
(days)
|
6.441008±0.000011 | 6.441006±0.000006 | ||
|
ρ
(g/cm3)
|
3.17+0.97-0.91
|
--- | ||
|
Rp
(R⨁)
|
2.25+0.12-0.10
|
2.56374±0.19448 | ||
|
Rp
(RJup)
|
0.201+0.011-0.009
|
0.228722±0.017350 | ||
|
Rp/R✶
|
0.02663+0.00090-0.00052
|
--- | ||
|
K
(m/s)
|
2.52±0.62 | --- | ||
|
a
(au)
|
0.0629±0.0011 | --- | ||
|
T14
(hours)
|
1.762+0.037-0.150
|
1.812±0.505 | ||
|
TC
(days)
|
2458658.78978±0.00050 | 2460140.2209270±0.0009902 | ||
|
δ
(%)
|
--- | 0.09140000±0.00468059 |
Literature Time Series
(1 File Type, 1 File)
| File Type | Data Points | Filter | Reference |
|---|---|---|---|
| Photometric Light Curve | 139 | Hp (Hipparcos) | Hipparcos and Tycho Catalogs |
- Known Objects
- 1 Confirmed Planets
- 2 2MASS Point Source Catalog
- Data Files
- 1 Associated Literature Data
-
The young mini-Neptune HD 207496b that is either a naked core or on the verge of becoming one
Barros et al. 2023 | Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 | Reference Overview -
ExoFOP-TESS TOI Table
ExoFOP-TESS TOI -
ExoCat-1: The Nearby Stellar Systems Catalog for Exoplanet Imaging Missions
Turnbull 2015 | Reference Overview -
Contributions to the Nearby Stars (NStars) Project: Spectroscopy of Stars Earlier than M0 within 40 parsecs: The Southern Sample
Gray et al. 2006 | Reference Overview -
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog | Reference Overview -
Yale Trigonometric Parallaxes, Fourth Edition (van Altena+ 1995)
van Altena et al. 2001 | Reference Overview -
The Tycho-2 catalog of the 2.5 million brightest stars
The Tycho-2 Catalog | Reference Overview -
The Washington Double Star Catalog (WDS, 1996.0)
WDS Catalog | Reference Overview -
The Hipparcos and Tycho Catalogs
Hipparcos and Tycho Catalogs | Reference Overview -
The Palomar/MSU nearby star spectroscopic survey. II. The southern M dwarfs and investigations of magnetic activity.
Hawley et al. 1996 | Reference Overview -
Michigan Catalog of two-dimensional spectral types for the HD stars, Vol 1
Michigan Catalog, Vol. 1 | Reference Overview -
The Henry Draper catalogue 0h, 1h, 2h, and 3h
Cannon & Pickering 1918 | Reference Overview
- System
- Star
- Confirmed
- Candidate
- False Positive Planet
- Controversial
- False Positive
- Aliases
- Data Access
- Transit Prediction Service
- Time Series
- Kepler | K2
- External Link
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