HD 28254 Overview
HD 28254 B
0.50
R⦿
3653.00
K
HD 28254
1.65
R⦿
5545.00
K
HD 28254 b
- Architecture
- HD 28254
- HD 28254 B
- HD 28254
- Other Data
- Bibliography 14
- Exoplanet Archive Notes 5
- HD 28254 B Nearby Data 3
- HD 28254 Nearby Data 3
Discovery Data
| Host | Planet | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|
| HD 28254 | HD 28254 b | Radial Velocity | 2010 | Naef et al. 2010 | Confirmed Planet |
HD 28254
- This reference contains discussion regarding the stellar multiplicity of this system. (Naef et al. 2010)
- This reference contains discussion regarding the stellar multiplicity of this system. (Roell et al. 2012)
- This reference contains discussion regarding the stellar multiplicity of this system. (Mugrauer 2019)
- Some stellar parameter values may be biased due to companion blend (WDS Catalog)
- The authors note that the data is equally well fit by a prograde orbital inclination of 21 +38 -11 deg. (Philipot et al. 2023)
- RA
- 04h24m50.09s
- Dec
- -50d37m23.01s
- Distance
-
55.2151+0.1357-0.1350pc
- Parallax
- 18.0822000±0.0440723 mas
- Ecliptic Latitude
- -70.07104 deg
- Ecliptic Longitude
- 41.33262 deg
- Galactic Latitude
- -43.5918 deg
- Galactic Longitude
- 258.28314 deg
- Total Proper Motion
- 158.7885583±0.0987723 mas/yr
- Proper Motion (RA)
- -70.7715000±0.0675802 mas/yr
- Proper Motion (Dec)
- -142.145000±0.105082 mas/yr
- Photometry
-
mV13.6371±0.0679
-
mTESS11.6707±0.0102
-
mJ---
-
mH---
-
mKs---
-
mW1---
-
mW2---
-
mW3---
-
mW4---
-
mGaia12.688100±0.000648
-
mB---
- RA
- 04h24m50.60s
- Dec
- -50d37m22.11s
- Distance
-
55.2884+0.0936-0.0933pc
- Parallax
- 18.058100±0.030342 mas
- Ecliptic Latitude
- -70.07145 deg
- Ecliptic Longitude
- 41.33641 deg
- Galactic Latitude
- -43.59053 deg
- Galactic Longitude
- 258.28249 deg
- Total Proper Motion
- 158.6237757±0.0597149 mas/yr
- Proper Motion (RA)
- -67.394200±0.050135 mas/yr
- Proper Motion (Dec)
- -143.5950000±0.0616253 mas/yr
- Photometry
-
mV7.69±0.03
-
mTESS7.0333±0.0061
-
mJ6.395±0.026
-
mH6.133±0.031
-
mKs6.006±0.029
-
mW15.899±0.115
-
mW25.886±0.043
-
mW35.941±0.015
-
mW45.919±0.035
-
mGaia7.499770±0.000295
-
mB8.440±0.024
-
Abundances
(Hypatia Catalog) -
[Fe/H] 0.38±0.02 dex
-
[C/H] 0.45±0.05 dex
-
[O/H] 0.31±0.09 dex
-
[Na/H] 0.56±0.04 dex
-
[Mg/H] 0.42±0.07 dex
-
[Al/H] 0.46±0.06 dex
-
[Si/H] 0.39±0.05 dex
-
[Ca/H] 0.33±0.06 dex
-
[BaII/H] 0.32±0.15 dex
| Source |
Philipot et al. 2023 |
TICv8 | Gaia DR2 |
Naef et al. 2010 |
Michigan Catalog, Vol. 2 | Cannon & Pickering 1918 |
|---|---|---|---|---|---|---|
|
Teff
(K)
|
--- |
5653.000+118.493-115.600
|
5545.00+88.00-329.68
|
5664±35 | --- | --- |
|
L✶
(log10(L⦿))
|
--- |
0.36095997+0.01119843-0.00933229
|
0.36636787+0.00116954-0.00117268
|
0.34 | --- | --- |
|
γ
(km/s)
|
--- | --- | -9.3519477757993776±0.1731678974528885 | -9.315±0.002 | --- | --- |
|
R✶
(R⦿)
|
--- |
1.5797000+0.0568271-0.0896301
|
1.6520891+0.2154710-0.0512154
|
1.48±0.06 | --- | --- |
|
Metallicity
(dex)
|
--- | 0.36±0.06 [M/H] | --- | 0.06±0.02 [Fe/H] | --- | --- |
|
v sin i
(km/s)
|
2.3 | --- | --- | 2.50±1.0 | --- | --- |
|
M✶
(M⦿)
|
1.10±0.05 |
1.0000000+0.1634490-0.0769763
|
--- | 1.06 | --- | --- |
|
log g
(log10(cm/s2))
|
--- |
4.0409200+0.0860370-0.0582171
|
--- | 4.12±0.05 | --- | --- |
|
Sp. T
|
G5 V | --- | --- | G1 IV/V | G5 V | G5 |
|
ρ✶
(g/cm3)
|
--- |
0.3576363+0.0831142-0.0607813
|
--- | --- | --- | --- |
|
Age
(Gyr)
|
6.0±1.3 | --- | --- | --- | --- | --- |
|
CAII LOG RHK
|
-5.17 | --- | --- | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity
- Tools
| Source |
Philipot et al. 2023 |
Naef et al. 2010 |
|---|---|---|
|
Tp
(days)
|
2454246+9-10
|
2454049 +43-55
|
|
ω
(deg)
|
289+20-18
|
301 +3-4
|
|
Mp
(M⨁)
|
1208+953-699
|
--- |
|
Mp
(MJup)
|
3.8+3.0-2.2
|
--- |
|
e
|
0.95+0.03-0.04
|
0.81 +0.05-0.02
|
|
i
(deg)
|
162+7-27
|
--- |
|
P
(days)
|
1333±4 | 1116±26 |
|
a
(au)
|
2.45+0.03-0.04
|
2.15 +0.04-0.05
|
|
Mp sin i
(M⨁)
|
--- |
368.67 +31.78-19.07
|
|
Mp sin i
(MJup)
|
--- |
1.16 +0.10-0.06
|
|
K
(m/s)
|
--- |
37.3 +5.1-0.9
|
Literature Time Series
(1 File Type, 1 File)
| File Type | Data Points | Filter | Reference |
|---|---|---|---|
| Photometric Light Curve | 111 | Hp (Hipparcos) | Hipparcos and Tycho Catalogs |
- Known Objects
- 1 Confirmed Planets
- 2 2MASS Point Source Catalog
- Data Files
- 1 Associated Literature Data
- Known Objects
- 1 Confirmed Planets
- 2 2MASS Point Source Catalog
- Data Files
- 1 Associated Literature Data
-
Multi techniques approach to identify and/or constrain radial velocity sub-stellar companions
Philipot et al. 2023 | Reference Overview -
Search for stellar companions of exoplanet host stars by exploring the second ESA-Gaia data release
Mugrauer 2019 | Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 | Reference Overview -
Gaia Data Release 2
Gaia DR2 | Reference Overview -
All WISE Data Release
Cutri et al. 2014 | Reference Overview -
Extrasolar planets in stellar multiple systems
Roell et al. 2012 | Reference Overview -
The HARPS search for southern extrasolar planets. XXIII. 8 planetary companions to low-activity solar-type stars
Naef et al. 2010 | 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 Washington Double Star Catalog (WDS, 1996.0)
WDS 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 2
Michigan Catalog, Vol. 2 | 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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