K2-33 Overview
-
Star:
K2-33
- Stellar Radius: 0.91 Solar Radius
- Stellar Effective Temperature: 3318.00 K
-
Planet:
K2-33 b
- Disposition Confirmed
- Planet Radius 0.450 Jupiter Radius
K2-33 Architecture & Discovery Information
| Name | Orbital Separation | Planet Size | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|---|
| K2-33 | ||||||
| K2-33 b | 5.42 d | 5.04 R⨁ | Transit | 2016 | David et al. 2016 | Confirmed Planet |
K2-33 b
- Planet parameters drawn from Table 3, "Spitzer [4.5]" in ref. (Thao et al. 2023)
- RA
- 16h10m14.73s
- Dec
- -19d19m09.78s
- Distance
-
139.268+1.532-1.499pc
- Parallax
- 7.1530000±0.0775416 mas
- Ecliptic Latitude
- 1.6971 deg
- Ecliptic Longitude
- 244.20822 deg
- Galactic Latitude
- 23.10048 deg
- Galactic Longitude
- 354.42038 deg
- Total Proper Motion
- 25.8767082±0.1299031 mas/yr
- Proper Motion (RA)
- -9.709080±0.170128 mas/yr
- Proper Motion (Dec)
- -23.986200±0.122055 mas/yr
- Photometry
- mV 15.838±0.126
- mTESS 12.9895±0.0062
- mJ 11.095±0.023
- mH 10.332±0.022
- mKs 10.026±0.019
- mKep 14.357
- mW1 9.890±0.023
- mW2 9.762±0.021
- mW3 9.610±0.049
- mW4 8.412
- mGaia 14.1570±0.0009
- mB 17.353±0.138
- mg 16.4520000±0.0040676
- mi 13.668100±0.000602
- mr 14.8454000±0.0037485
- mu 19.5515000±0.0460253
- mz 12.6126000±0.0039562
-
Abundances
(Hypatia Catalog) - [Fe/H] 0.02±0.04 dex
- [Mg/H] 0.07±0.07 dex
- [Si/H] -0.06±0.05 dex
- Mission
- K2: Observed in Campaign 2
| Source | Thao et al. 2023 | TICv8 | Gaia DR2 | Mann et al. 2016 | David et al. 2016 | Kruse et al. 2019 | Rizzuto et al. 2017 | Vanderburg et al. 2016 | ||
|---|---|---|---|---|---|---|---|---|---|---|
|
Teff
(K)
|
3540±70 |
3318.000+106.299-32.657
|
3881.0967+314.4800-175.7590
|
3540±70 | 3410±75 | --- | --- | 2890 | ||
|
L✶
(log10(L⦿))
|
-0.836+0.034-0.037
|
-1.044077+0.060492-0.079976
|
-1.243328+0.009749-0.009973
|
-0.82+0.08-0.10
|
-0.83±0.07 | --- | --- | --- | ||
|
ρ✶
(g/cm3)
|
0.671+0.054-0.124
|
0.65374210+0.47765480-0.31352990
|
--- |
0.72+0.06-0.10
|
0.34±0.12 | --- | --- | --- | ||
|
M✶
(M⦿)
|
0.571±0.054 |
0.3490000+0.0968086-0.0638215
|
--- | 0.56±0.09 | 0.31±0.05 | --- | --- | --- | ||
|
R✶
(R⦿)
|
1.017±0.057 |
0.9096230+0.0646839-0.1190600
|
0.5285421+0.0513310-0.0762644
|
1.05±0.07 | 1.1±0.1 |
0.529 +0.076-0.051
|
--- | 0.16 | ||
|
log g
(log10(cm/s2))
|
--- |
4.063170+0.180218-0.133925
|
--- | --- | 3.84±0.16 | --- | --- | --- | ||
|
γ
(km/s)
|
--- | --- | --- | -6.70±0.15 | -6.6±0.1 | --- | --- | --- | ||
|
v sin i
(km/s)
|
--- | --- | --- | 8.2±1.8 | 7±2 | --- | --- | --- | ||
|
Age
(Gyr)
|
--- | --- | --- |
0.00930+0.00110-0.00130
|
0.0075±0.0025 | --- | --- | --- | ||
|
Sp. T
|
--- | --- | --- | M3.3 | M3 | --- | --- | --- | ||
|
Prot
(days)
|
--- | --- | --- | 6.29±0.17 | 6.3±0.2 | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Transit
| Source | Mann et al. 2016 | Thao et al. 2023 | David et al. 2016 | Kruse et al. 2019 | Rizzuto et al. 2017 | Vanderburg et al. 2016 | ||
|---|---|---|---|---|---|---|---|---|
|
b
|
0.16+0.19-0.11
|
0.22+0.20-0.15
|
0.49+0.26-0.33
|
--- | --- | 0.46 | ||
|
P
(days)
|
5.424865+0.000035-0.000031
|
5.424862+0.000042-0.000041
|
5.42513+0.00028-0.00029
|
5.42526 +0.00026-0.00024
|
5.4224 | 5.4252061 | ||
|
Rp/R✶
|
0.0432+0.0009-0.0007
|
0.03746+0.00083-0.00079
|
0.0476+0.0035-0.0017
|
0.0550 +0.0047-0.0041
|
--- | 0.04747 | ||
|
TC
(days)
|
2456898.69288+0.00118-0.00120
(BJD)
|
2456898.6954+0.0079-0.0081
(BJD)
|
2456936.6665±0.0012
(BJD)
|
2456898.6903 +0.0020-0.0021
(BJD)
|
2456898.6705
(BJD)
|
2456898.690
(BJD)
|
||
|
a/R✶
|
10.40+0.27-0.50
|
--- |
9.20+1.10-2.10
|
7.1 +1.4-2.4
|
--- | --- | ||
|
ω
(deg)
|
0 | --- | --- | --- | --- | --- | ||
|
Mp
(M⨁)
|
<1176 | --- | <1144 | --- | --- | --- | ||
|
Mp
(MJup)
|
<3.7 | --- | <3.6 | --- | --- | --- | ||
|
e
|
0 | --- | 0 | --- | --- | --- | ||
|
i
(deg)
|
89.1+0.6-1.1
|
--- |
86.9+2.2-3.1
|
--- | --- | --- | ||
|
Rp
(R⨁)
|
5.04+0.34-0.37
|
--- |
5.76+0.62-0.58
|
3.17 +0.53-0.39
|
--- | 0.868 | ||
|
Rp
(RJup)
|
0.450+0.030-0.033
|
--- |
0.514+0.055-0.052
|
0.283 +0.047-0.035
|
--- | 0.077 | ||
|
T14
(hours)
|
4.08±0.07 | --- | 4.22±0.15 |
4.53600+0.19200-0.24000
|
--- | 4.27000 | ||
|
δ
(%)
|
--- | --- | 0.23 | 0.3018±0.0066 | 0.18 | 0.263 | ||
|
Teq
(K)
|
--- | --- | 850±50 | --- | --- | --- | ||
|
a
(au)
|
--- | --- |
0.0409+0.0021-0.0023
|
--- | --- | --- |
Nearby Data (within 30 arcseconds) Browse Nearby Data
+
- Known Objects
- 1 Confirmed Planets
- 1 K2 Targets
- 1 2MASS Point Source Catalog
- Data Files
- 1 K2 Time Series
- 1 Associated Literature Data
-
Hazy with a Chance of Star Spots: Constraining the Atmosphere of Young Planet K2-33b
Thao et al. 2023 Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 Reference Overview -
Detection of Hundreds of New Planet Candidates and Eclipsing Binaries in K2 Campaigns 0-8
Kruse et al. 2019 Reference Overview -
Gaia Data Release 2
Gaia DR2 Reference Overview -
Zodiacal Exoplanets in Time (ZEIT). V. A Uniform Search for Transiting Planets in Young Clusters Observed by K2
Rizzuto et al. 2017 Reference Overview -
Zodiacal Exoplanets in Time (ZEIT). III. A Short-period Planet Orbiting a Pre-main-sequence Star in the Upper Scorpius OB Association
Mann et al. 2016 Reference Overview -
A Neptune-sized transiting planet closely orbiting a 5-10-million-year-old star
David et al. 2016 Reference Overview -
The K2 Ecliptic Plane Input Catalog (EPIC) and Stellar Classifications of 138,600 Targets in Campaigns 1-8
EPIC Catalog Reference Overview -
Planetary Candidates from the First Year of the K2 Mission
Vanderburg et al. 2016 Reference Overview -
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog Reference Overview
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- False Positive Planet
- Controversial
- False Positive
- Aliases
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- Time Series
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