HD 21520 Overview
HD 21520
1.04
R⦿
5871.00
K
?
TOI-4320.01
0.263
RJup
HD 21520 b
0.241
RJup
?
TOI-4320.02
0.195
RJup
- Architecture
- HD 21520
- HD 21520
- Other Data
- Bibliography 4
- Exoplanet Archive Notes 1
- Nearby Data 4
Discovery Data
Host | Planet | Method | Year | Reference | Disposition |
---|---|---|---|---|---|
HD 21520 | TOI-4320.01 | Transit | 2021 | TESS Project | Candidate Planet |
HD 21520 | HD 21520 b | Transit | 2024 | Nies et al. 2024 | Confirmed Planet |
HD 21520 | TOI-4320.02 | Transit | 2021 | TESS Project | Candidate Planet |
HD 21520 b
- Equilibrium temperature was calculated assuming a Bond albedo of 0.3. (Nies et al. 2024)
- RA
- 03h26m33.68s
- Dec
- -43d36m49.19s
- Distance
-
79.2080+0.1598-0.1592pc
- Parallax
- 12.5961000±0.0252333 mas
- Ecliptic Latitude
- -59.17055 deg
- Ecliptic Longitude
- 28.74447 deg
- Galactic Latitude
- -54.76985 deg
- Galactic Longitude
- 251.10844 deg
- Total Proper Motion
- 22.9336360±0.0544223 mas/yr
- Proper Motion (RA)
- -2.3588800±0.0368698 mas/yr
- Proper Motion (Dec)
- -22.8120000±0.0545795 mas/yr
- Photometry
-
mV9.17±0.03
-
mTESS8.6022±0.0060
-
mJ8.048±0.030
-
mH7.764±0.042
-
mKs7.707±0.016
-
mW17.63±0.03
-
mW27.704±0.020
-
mW37.682±0.018
-
mW47.593±0.097
-
mGaia9.017960±0.000181
-
mB9.806±0.000
Source | Nies et al. 2024 | TICv8 | ExoFOP-TESS TOI | ExoFOP-TESS TOI | Show Candidate Solutions >> | << Hide Candidate Solutions |
---|---|---|---|---|---|---|
Teff
(K)
|
5871±62 |
5871.000+142.198-108.388
|
5871.000±125.293 | 5871.000±125.293 | ||
L✶
(log10(L⦿))
|
0.06595+0.00519-0.00526
|
0.059953994+0.014998417-0.009817518
|
--- | --- | ||
Metallicity
(dex)
|
0.049±0.042 [Fe/H] | --- | --- | --- | ||
v sin i
(km/s)
|
2.50±0.25 | --- | --- | --- | ||
Age
(Gyr)
|
5.3±1.1 | --- | --- | --- | ||
ρ✶
(g/cm3)
|
1.35±0.13 |
1.345411+0.366803-0.223291
|
--- | --- | ||
M✶
(M⦿)
|
1.09±0.07 |
1.060000+0.150431-0.121446
|
--- | --- | ||
R✶
(R⦿)
|
1.044±0.024 |
1.0356300+0.0474442-0.0532291
|
1.03562998771667±0.05033670000000 | 1.03562998771667±0.05033670000000 | ||
CAII LOG RHK
|
-4.93±0.06 | --- | --- | --- | ||
log g
(log10(cm/s2))
|
4.42±0.03 |
4.4329600+0.0632942-0.0948875
|
4.4329600±0.0790908 | 4.4329600±0.0790908 |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity, Transit
Source | Nies et al. 2024 |
---|---|
a/R✶
|
35.6+1.1-1.2
|
Teq
(K)
|
637+13-12
|
b
|
0.478+0.058-0.066
|
Mp
(M⨁)
|
<17.7 |
Mp
(MJup)
|
<0.0557 |
e
|
0 |
i
(deg)
|
89.23±0.12 |
P
(days)
|
25.129200+0.000089-0.000073
|
ρ
(g/cm3)
|
1.35±0.13 |
Rp
(R⨁)
|
2.697±0.090 |
Rp
(RJup)
|
0.2406±0.0080 |
Rp/R✶
|
0.02369±0.00056 |
K
(m/s)
|
1.64±0.63 |
a
(au)
|
0.1726±0.0071 |
T14
(hours)
|
4.885+0.083-0.075
|
TC
(days)
|
2459160.0157±0.0015 |
- Status
- Candidate Planet
- Detected By
- Transit
Source | ExoFOP-TESS TOI |
---|---|
Teq
(K)
|
209.775761472562 |
S
(S⨁)
|
0.457659231130012 |
P
(days)
|
25.12471 |
Rp
(R⨁)
|
2.94832431151693±0.27142635000000 |
Rp
(RJup)
|
0.263032330095539±0.024215078718085 |
δ
(%)
|
0.0643185497039052±0.0055477280000000 |
T14
(hours)
|
5.13393445104761±0.32367780000000 |
TC
(days)
|
2458431.26872100±0.00393234 |
- Status
- Candidate Planet
- Detected By
- Transit
Source | ExoFOP-TESS TOI |
---|---|
Teq
(K)
|
519.196665682136 |
S
(S⨁)
|
17.1730953263344 |
P
(days)
|
46.4093732462209±0.0003647566000 |
Rp
(R⨁)
|
2.18629967494351±1.71219500000000 |
Rp
(RJup)
|
0.195048928484952±0.152752069597194 |
δ
(%)
|
0.0435734750459407±0.0056765373000000 |
T14
(hours)
|
4.82233701122434±0.83413990000000 |
TC
(days)
|
2458417.46633200±0.00431896 |
- Known Objects
- 1 Confirmed Planets
- 1 2MASS Point Source Catalog
- Data Files
- 1 SuperWASP Time Series
- 1 Associated Literature Data
- System
- Star
- Confirmed
- Candidate
- False Positive Planet
- Controversial
- False Positive
- Aliases
- Data Access
- Transit Prediction Service
- Time Series
- Kepler | K2
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