HD 208897 Overview
HD 208897
4.98
R⦿
4860.00
K
HD 208897 b
- Architecture
- HD 208897
- HD 208897
- Other Data
- Bibliography 9
- Nearby Data 3
Discovery Data
| Host | Planet | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|
| HD 208897 | HD 208897 b | Radial Velocity | 2017 | Yılmaz et al. 2017 | Confirmed Planet |
- RA
- 21h58m59.78s
- Dec
- +19d01m12.57s
- Distance
- 67.48720±0.22105 pc
- Parallax
- 14.7889000±0.0481762 mas
- Ecliptic Latitude
- 29.23958 deg
- Ecliptic Longitude
- 339.37271 deg
- Galactic Latitude
- -27.75212 deg
- Galactic Longitude
- 76.0392 deg
- Total Proper Motion
- 83.4703570±0.0663790 mas/yr
- Proper Motion (RA)
- 76.558600±0.065753 mas/yr
- Proper Motion (Dec)
- -33.2578000±0.0696024 mas/yr
- Photometry
-
mV6.50821±0.02300
-
mTESS5.6514±0.0060
-
mJ4.740±0.037
-
mH4.390±0.036
-
mKs4.198±0.036
-
mW14.141±0.329
-
mW23.892±0.198
-
mW34.188±0.015
-
mW44.168±0.022
-
mGaia6.23739±0.00045
-
mB7.523±0.019
-
Abundances
(Hypatia Catalog) -
[Fe/H] 0.39±0.04 dex
-
-
-
[Na/H] 0.29±0.04 dex
-
[Mg/H] 0.34±0.07 dex
-
[Al/H] 0.28±0.06 dex
-
[Si/H] 0.33±0.05 dex
-
[Ca/H] 0.18±0.06 dex
-
-
| Source | TICv8 | Gaia DR2 | Yılmaz et al. 2017 | Cannon & Pickering 1918 |
|---|---|---|---|---|
|
Teff
(K)
|
4897.8800±78.9023 |
4935.39+30.78-40.39
|
4860±100 | --- |
|
L✶
(log10(L⦿))
|
--- |
1.0883793+0.0019628-0.0019717
|
1.09±0.07 | --- |
|
Metallicity
(dex)
|
0.2041610±0.0067752 [M/H] | --- | 0.21±0.15 [Fe/H] | --- |
|
v sin i
(km/s)
|
--- | --- | 3.90±0.42 | --- |
|
M✶
(M⦿)
|
--- | --- | 1.25±0.11 | --- |
|
R✶
(R⦿)
|
4.86385 |
4.7884980+0.0793485-0.0591737
|
4.98±0.20 | --- |
|
log g
(log10(cm/s2))
|
--- | --- | 3.13±0.14 | --- |
|
Sp. T
|
--- | --- | K0 | K0 |
|
γ
(km/s)
|
--- | -14.584208716295905±0.197575062211114 | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity
- Tools
| Source | Teng et al. 2023 | Yılmaz et al. 2017 |
|---|---|---|
|
Tp
(days)
|
2456178.2+4.7-311.4
|
2455036±82 |
|
ω
(deg)
|
-113.5+161.3-4.8
|
167±83 |
|
Mp sin i
(M⨁)
|
379.5+15.6-14.0
|
445±25 |
|
Mp sin i
(MJup)
|
1.194+0.049-0.044
|
1.40±0.08 |
|
e
|
0.020+0.049-0.010
|
0.070±0.060 |
|
P
(days)
|
358.27+0.87-1.50
|
352.7±1.7 |
|
K
(m/s)
|
29.45+1.25-1.04
|
34.7±2.2 |
|
a
(au)
|
1.063+0.002-0.003
|
1.05±0.03 |
Literature Time Series
(1 File Type, 1 File)
| File Type | Data Points | Filter | Reference |
|---|---|---|---|
| Photometric Light Curve | 84 | Hp (Hipparcos) | Hipparcos and Tycho Catalogs |
- Known Objects
- 1 Confirmed Planets
- 3 2MASS Point Source Catalog
- Data Files
- 1 Associated Literature Data
-
Revisiting Planetary Systems in Okayama Planet Search Program: A new long-period planet, RV astrometry joint analysis, and multiplicity-metallicity trend around evolved stars
Teng et al. 2023 | Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 | Reference Overview -
Gaia Data Release 2
Gaia DR2 | Reference Overview -
A Jupiter-mass planet around the K0 giant HD 208897
Yılmaz et al. 2017 | 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 -
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
