HD 33844 Overview
HD 33844
5.39
R⦿
4861.00
K
HD 33844 b
!
HD 33844 c
- Architecture
- HD 33844
- HD 33844
- Other Data
- Bibliography 15
- Exoplanet Archive Notes 1
- Nearby Data 3
Discovery Data
| Host | Planet | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|
| HD 33844 | HD 33844 b | Radial Velocity | 2015 | Wittenmyer et al. 2016 | Confirmed Planet |
| HD 33844 | HD 33844 c | Radial Velocity | 2015 | Wittenmyer et al. 2016 | Confirmed Planet |
HD 33844 c
- Planet flagged as controversial. (Jenkins et al. 2025)
- RA
- 05h12m36.14s
- Dec
- -14d57m03.52s
- Distance
-
105.779+0.383-0.380pc
- Parallax
- 9.4248700±0.0338461 mas
- Ecliptic Latitude
- -37.79406 deg
- Ecliptic Longitude
- 75.45613 deg
- Galactic Latitude
- -28.49413 deg
- Galactic Longitude
- 215.89677 deg
- Total Proper Motion
- 45.1935021±0.0552430 mas/yr
- Proper Motion (RA)
- 32.8320000±0.0534535 mas/yr
- Proper Motion (Dec)
- 31.0566000±0.0571768 mas/yr
- Photometry
-
mV7.29±0.03
-
mTESS6.4180±0.0061
-
mJ5.574±0.018
-
mH5.132±0.044
-
mKs4.945±0.018
-
mW14.937±0.185
-
mW24.829±0.082
-
mW34.935±0.015
-
mW44.870±0.024
-
mGaia7.011530±0.000179
-
mB8.332±0.020
-
Abundances
(Hypatia Catalog) -
[Fe/H] 0.25±0.02 dex
-
[C/H] 0.02±0.08 dex
-
[O/H] 0.09±0.09 dex
-
[Na/H] 0.44±0.08 dex
-
[Mg/H] 0.40±0.02 dex
-
[Al/H] 0.41±0.12 dex
-
[Si/H] 0.36±0.05 dex
-
[Ca/H] 0.25±0.12 dex
-
[Y/H] 0.29±0.08 dex
-
[BaII/H] 0.01±0.06 dex
| Source | Jenkins et al. 2025 | Lin et al. 2024 | TICv8 | Gaia DR2 | Stassun et al. 2017 | Wittenmyer et al. 2016 | Michigan Catalog, Vol. 4 | Cannon & Pickering 1918 |
|---|---|---|---|---|---|---|---|---|
|
Teff
(K)
|
4909±61 | --- | 4925.0±122.0 |
4888.0967+55.9033-90.7507
|
4861±100 | 4861±100 | --- | --- |
|
Metallicity
(dex)
|
0.13±0.06 [Fe/H] | --- | --- | --- | 0.27 [Fe/H] | 0.27±0.09 [Fe/H] | --- | --- |
|
M✶
(M⦿)
|
1.55±0.09 | 1.471±0.080 | --- | --- | 1.84±0.39 | 1.78±0.18 | --- | --- |
|
R✶
(R⦿)
|
5.39±0.05 | 5.507±0.127 | 5.36877 |
5.3814745+0.2055260-0.1210120
|
5.39±0.28 | 5.29±0.41 | --- | --- |
|
log g
(log10(cm/s2))
|
3.24±0.12 | 3.125±0.006 | --- | --- | 3.24±0.08 | 3.24±0.08 | --- | --- |
|
L✶
(log10(L⦿))
|
1.17±0.01 | 1.183±0.048 | --- |
1.1730565+0.0023959-0.0024092
|
--- |
1.15+0.05-0.06
|
--- | --- |
|
γ
(km/s)
|
--- | --- | --- | 36.489707991742776±0.145257530516620 | --- | --- | --- | --- |
|
v sin i
(km/s)
|
3.44±0.56 | --- | --- | --- | --- | <1 | --- | --- |
|
Age
(Gyr)
|
2.42+0.47-0.37
|
--- | --- | --- | --- |
1.88+0.76-0.48
|
--- | --- |
|
Sp. T
|
K0 III | --- | --- | --- | --- | K0 III | K0 III | G5 |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity
- Tools
| Source | Stassun et al. 2017 | Jenkins et al. 2025 | Lin et al. 2024 | Wittenmyer et al. 2016 |
|---|---|---|---|---|
|
ω
(deg)
|
--- | 0 | --- | 211±28 |
|
Mp sin i
(M⨁)
|
639±99 |
1497+528-25
|
548.4±46.2 | 623±38 |
|
Mp sin i
(MJup)
|
2.01±0.31 |
4.71+1.66-0.08
|
1.726±0.145 | 1.96±0.12 |
|
e
|
0.15±0.07 | 0 | --- | 0.15±0.07 |
|
P
(days)
|
551.40002±7.80000 |
551.73+3.68-3.85
|
--- | 551.4±7.8 |
|
K
(m/s)
|
33.5±2.0 |
31.67+0.80-1.41
|
--- | 33.5±2.0 |
|
a
(au)
|
1.60±0.06 | --- | 1.501±0.047 | 1.60±0.02 |
|
Tp
(days)
|
--- | --- | --- | 2454609±41 |
- Status
- Confirmed Planet Controversial
- Detected By
- Radial Velocity
- Tools
| Source | Wittenmyer et al. 2016 | Jenkins et al. 2025 | Lin et al. 2024 |
|---|---|---|---|
|
ω
(deg)
|
71.0±67.0 | 0 | --- |
|
Mp sin i
(M⨁)
|
556±57 | 467±32 | 489.7±57.8 |
|
Mp sin i
(MJup)
|
1.75±0.18 | 1.47±0.10 | 1.541±0.182 |
|
e
|
0.13±0.10 | 0 | --- |
|
P
(days)
|
916.0±29.5 |
904.66+15.15-14.28
|
--- |
|
K
(m/s)
|
25.4±2.9 |
23.33+1.47-1.21
|
--- |
|
a
(au)
|
2.24±0.05 | --- | 2.111±0.077 |
|
Tp
(days)
|
2454544±164 | --- | --- |
Literature Stellar Spectra
(1 File)
| File Type | Spectrum Type | Wavelength Category | Reference |
|---|---|---|---|
| Spectra | echelle grating | Optical | California Planet Search |
Literature Time Series
(1 File Type, 1 File)
| File Type | Data Points | Filter | Reference |
|---|---|---|---|
| Photometric Light Curve | 127 | Hp (Hipparcos) | Hipparcos and Tycho Catalogs |
- Known Objects
- 2 Confirmed Planets
- 2 2MASS Point Source Catalog
- Data Files
- 2 Associated Literature Data
-
Sub-Jupiter Gas Giants Orbiting Giant Stars Uncovered using a Bayesian Framework
Jenkins et al. 2025 | Reference Overview -
Using Asteroseismology to Calibrate the Physical Parameters of Confirmed Exoplanets and Their Evolved Host Stars
Lin et al. 2024 | Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 | Reference Overview -
Gaia Data Release 2
Gaia DR2 | Reference Overview -
Accurate Empirical Radii and Masses of Planets and Their Host Stars with Gaia Parallaxes
Stassun et al. 2017 | Reference Overview -
The Pan-Pacific Planet Search. IV. Two Super-Jupiters in a 3:5 Resonance Orbiting the Giant Star HD 33844
Wittenmyer et al. 2016 | Reference Overview -
All WISE Data Release
Cutri et al. 2014 | Reference Overview -
CPS
California Planet Search -
Validation of the new Hipparcos reduction
van Leeuwen et al. 2007 | Reference Overview -
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog | Reference Overview -
The Hipparcos and Tycho Photometric System Passbands
Tycho 2 converted using Bessell 2000 | Reference Overview -
The Tycho-2 catalog of the 2.5 million brightest stars
The Tycho-2 Catalog | Reference Overview -
The Hipparcos and Tycho Catalogs
Hipparcos and Tycho Catalogs | Reference Overview -
Michigan Catalog of two-dimensional spectral types for the HD stars, Vol 4
Michigan Catalog, Vol. 4 | 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
- Search
- Browse
- Download
