HD 18599 Overview
HD 18599
0.80
R⦿
5058.00
K
HD 18599 b
0.232
RJup
HD 18599 B
HD 18599 Architecture & Discovery Information
| Name | Orbital Separation | Planet Size | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|---|
| HD 18599 | ||||||
| HD 18599 b | 4.14 d | 2.6 R⨁ | Transit | 2022 | Desidera et al. 2023 | Confirmed Planet |
| HD 18599 B | ||||||
HD 18599 b
- Planet also independently announced in this ref. (Vines et al. 2023)
- RA
- 02h57m02.88s
- Dec
- -56d11m30.73s
- Distance
- 38.5653±0.0366 pc
- Parallax
- 25.9011000±0.0244246 mas
- Ecliptic Latitude
- -66.46483 deg
- Ecliptic Longitude
- 3.69825 deg
- Galactic Latitude
- -53.27814 deg
- Galactic Longitude
- 273.92807 deg
- Total Proper Motion
- 62.4931382±0.0442598 mas/yr
- Proper Motion (RA)
- -36.6762000±0.0422358 mas/yr
- Proper Motion (Dec)
- 50.5989000±0.0452869 mas/yr
- Photometry
-
mV8.99±0.03
-
mTESS8.1796±0.0060
-
mJ7.428±0.018
-
mH7.029±0.015
-
mKs6.883±0.020
-
mW16.812±0.038
-
mW26.882±0.021
-
mW36.874±0.016
-
mW46.849±0.079
-
mGaia8.731170±0.000651
-
mB9.872±0.033
-
Abundances
(Hypatia Catalog) -
[Fe/H] 0.00±0.02 dex
-
[C/H] -0.15±0.09 dex
-
[O/H] -0.06±0.09 dex
-
[Na/H] -0.12±0.04 dex
-
[Mg/H] 0.05±0.07 dex
-
[Al/H] -0.06±0.06 dex
-
[Si/H] -0.03±0.05 dex
-
[Ca/H] 0.03±0.06 dex
| Source | Desidera et al. 2023 | Vines et al. 2023 | TICv8 | ExoFOP | ||
|---|---|---|---|---|---|---|
|
Teff
(K)
|
5145±50 | 5083±23 |
5081.000+124.913-120.981
|
5058±181 | ||
|
R✶
(R⦿)
|
0.767±0.024 |
0.798+0.006-0.007
|
0.8026330+0.0425970-0.0533276
|
0.8026329874992371±0.0479623000000000 | ||
|
log g
(log10(cm/s2))
|
4.54±0.09 | 4.40±0.07 |
4.5584500+0.0930666-0.0814886
|
4.517610±0.282094 | ||
|
L✶
(log10(L⦿))
|
-0.429+0.014-0.014
|
--- |
-0.4124746+0.0134141-0.0082070
|
--- | ||
|
ρ✶
(g/cm3)
|
--- |
2.241+0.081-0.077
|
2.317571+0.616530-0.556990
|
--- | ||
|
M✶
(M⦿)
|
0.863±0.020 |
0.807+0.019-0.007
|
0.8500000+0.1082870-0.0987402
|
--- | ||
|
Metallicity
(dex)
|
0.0±0.1 [Fe/H] | -0.05±0.04 [Fe/H] | --- | --- | ||
|
v sin i
(km/s)
|
4.5±0.5 | 5.2±0.2 | --- | --- | ||
|
Age
(Gyr)
|
0.4±0.1 | 0.3 | --- | --- | ||
|
Prot
(days)
|
8.73±0.07 | 8.74±0.05 | --- | --- | ||
|
γ
(km/s)
|
-0.48±0.26 | --- | --- | --- | ||
|
CAII LOG RHK
|
-4.35+0.05-0.08
|
--- | --- | --- | ||
|
Sp. T
|
K2 V | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity, Transit
| Source | Desidera et al. 2023 | Vines et al. 2023 | ExoFOP | ||
|---|---|---|---|---|---|
|
Teq
(K)
|
--- |
863+21-18
|
1032.050888521001 | ||
|
S
(S⨁)
|
--- |
145+16-12
|
188.33536986884135 | ||
|
P
(days)
|
4.1374354+0.0000036-0.0000037
|
4.137437±0.000004 | 4.1374403333543235±0.0000016143690705 | ||
|
Rp
(R⨁)
|
2.60+0.15-0.13
|
2.70±0.05 | 2.5340286284536706±0.1587832283794963 | ||
|
Rp
(RJup)
|
0.232+0.013-0.012
|
0.241±0.004 | 0.22607128125875625±0.01416571520901061 | ||
|
δ
(%)
|
--- | --- | 0.100844472788170±0.002478634833438 | ||
|
T14
(hours)
|
2.06+0.12-0.13
|
--- | 1.587497022035615±0.143897573762434 | ||
|
TC
(days)
|
2459111.73946+0.00068-0.00057
(BJD)
|
2458726.9576±0.0004
(JD)
|
2460985.999063000±0.000788179
(BJD)
|
||
|
a/R✶
|
14.1+1.0-1.5
|
13.78+0.96-1.08
|
--- | ||
|
Tp
(days)
|
--- |
2458726.41+0.27-0.23
(JD)
|
--- | ||
|
b
|
0.50+0.12-0.26
|
0.58±0.11 | --- | ||
|
ω
(deg)
|
-2.50+16.30-17.80
|
10+30-10
|
--- | ||
|
Mp
(M⨁)
|
24.1+7.1-7.7
|
25.5±4.6 | --- | ||
|
Mp
(MJup)
|
0.0758+0.0223-0.0242
|
0.0802±0.0145 | --- | ||
|
e
|
0.34+0.07-0.09
|
0.2+0.1-0.2
|
--- | ||
|
i
(deg)
|
87.6+1.4-1.0
|
87.7+0.5-0.7
|
--- | ||
|
ρ
(g/cm3)
|
7.50+2.60-2.40
|
7.1±1.4 | --- | ||
|
Rp/R✶
|
0.0309+0.0016-0.0012
|
0.0311±0.0008 | --- | ||
|
K
(m/s)
|
11.3+3.3-3.6
|
11±2 | --- | ||
|
a
(au)
|
0.0480±0.0004 | 0.05±0.02 | --- |
- RA
- ---
- Dec
- ---
- Distance
- ---
- Parallax
- ---
- Ecliptic Latitude
- ---
- Ecliptic Longitude
- ---
- Galactic Latitude
- ---
- Galactic Longitude
- ---
- Total Proper Motion
- ---
- Proper Motion (RA)
- ---
- Proper Motion (Dec)
- ---
- Photometry
-
mV---
-
mTESS---
-
mJ---
-
mH---
-
mKs---
-
mW1---
-
mW2---
-
mW3---
-
mW4---
-
mGaia---
-
mB---
| Source | Desidera et al. 2023 |
|---|---|
|
M✶
(M⦿)
|
0.079 |
HD 18599 Nearby Data
(within 30 arcseconds)
Browse Nearby Data
+
- Known Objects
- 1 Confirmed Planets
- 2 2MASS Point Source Catalog
- Data Files
- 1 Associated Literature Data
HD 18599 B Nearby Data
(within 30 arcseconds)
Browse Nearby Data
+
- Known Objects
- 1 Confirmed Planets
- 2 2MASS Point Source Catalog
- Data Files
- 1 Associated Literature Data
-
TOI-179: A young system with a transiting compact Neptune-mass planet and a low-mass companion in outer orbit
Desidera et al. 2023 Reference Overview -
A dense mini-Neptune orbiting the bright young star HD 18599
Vines et al. 2023 Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 Reference Overview -
ExoFOP TOI Table
ExoFOP
- System
- Star
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- Candidate
- False Positive Planet
- Controversial
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- Aliases
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