GJ 896 Overview
-
Star:
GJ 896 B
- Stellar Radius: 0.28 Solar Radius
-
Star:
GJ 896 A
- Stellar Radius: 0.39 Solar Radius
- Stellar Effective Temperature: 3345.00 K
-
Planet:
GJ 896 A b
- Disposition Confirmed
GJ 896 Architecture & Discovery Information
| Name | Orbital Separation | Planet Size | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|---|
| GJ 896 B | ||||||
| GJ 896 A | ||||||
| GJ 896 A b | 284.39 d | 718.29 M⨁ | Astrometry | 2022 | Curiel et al. 2022 | Confirmed Planet |
GJ 896 B
- Possible TIC match confusion with TIC 2053578164 (Curiel et al. 2022)
- Some stellar parameter values may be biased due to companion blend (WDS Catalog)
- RA
- 23h31m52.45s
- Dec
- +19d56m13.83s
- Distance
- 16.290150±0.109683 pc
- Parallax
- 160.06±2.81 mas
- Ecliptic Latitude
- 21.0159 deg
- Ecliptic Longitude
- 1.84124 deg
- Galactic Latitude
- -39.1424 deg
- Galactic Longitude
- 98.57697 deg
- Total Proper Motion
- 584.46±2.00 mas/yr
- Proper Motion (RA)
- 584.06±2.00 mas/yr
- Proper Motion (Dec)
- 21.64±2.00 mas/yr
- Photometry
- mV 10.183±0.052
- mTESS 7.904±0.040
- mJ 7.101±0.081
- mH 6.555±0.049
- mKs 6.262±0.042
- mIc ---
- mGaia ---
- mB 11.770±0.017
- mg ---
- mi ---
- mr ---
- mu ---
- mz ---
| Source | Curiel et al. 2022 | TICv8 |
|---|---|---|
|
M✶
(M⦿)
|
0.16527±0.00025 | 0.2499800±0.0207946 |
|
Sp. T
|
M4.5 V | --- |
|
ρ✶
(g/cm3)
|
--- | 16.68332±0.32418 |
|
R✶
(R⦿)
|
--- | 0.2764370±0.0094726 |
|
log g
(log10(cm/s2))
|
--- | 4.952780±0.006435 |
- RA
- 23h31m52.81s
- Dec
- +19d56m13.20s
- Distance
- 6.260220±0.003265 pc
- Parallax
- 159.7100000±0.0826732 mas
- Ecliptic Latitude
- 21.01514 deg
- Ecliptic Longitude
- 1.84254 deg
- Galactic Latitude
- -39.14311 deg
- Galactic Longitude
- 98.57856 deg
- Total Proper Motion
- 580.675900±0.132169 mas/yr
- Proper Motion (RA)
- 577.605000±0.132502 mas/yr
- Proper Motion (Dec)
- -59.6403000±0.0959919 mas/yr
- Photometry
- mV 10.05±0.10
- mTESS 7.7942100±0.0074577
- mJ 6.162±0.024
- mH 5.575±0.021
- mKs 5.326±0.018
- mIc 7.420±0.025
- mGaia 9.037580±0.000673
- mB 11.85
- mg 12.7117000±0.0024423
- mi 11.3945000±0.0054257
- mr 11.5740000±0.0038149
- mu 15.04800±0.00718
- mz 7.7631900±0.0013042
| Source | Curiel et al. 2022 | TICv8 | Turnbull 2015 | Hawley et al. 1996 | Duncan et al. 1991 | Duncan et al. 1991 |
|---|---|---|---|---|---|---|
|
S Index
|
--- | --- | --- | --- | 1.0032 | 0.5035 |
|
L✶
(log10(L⦿))
|
--- |
-1.75523+0.09631-0.12394
|
-2.000 +1.041-0.954
|
--- | --- | --- |
|
M✶
(M⦿)
|
0.43599±0.00092 | 0.3854640±0.0202005 | 0.30 | --- | --- | --- |
|
Sp. T
|
M3.5 V | --- | M3.5V | M3.5 | --- | --- |
|
Teff
(K)
|
--- | 3345.0±157.0 | --- | --- | --- | --- |
|
ρ✶
(g/cm3)
|
--- | 8.839089±0.321247 | --- | --- | --- | --- |
|
R✶
(R⦿)
|
--- | 0.3946820±0.0116781 | --- | --- | --- | --- |
|
log g
(log10(cm/s2))
|
--- | 4.8315600±0.0029275 | --- | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Astrometry
- Tools
- Planetary Systems
| Source | Curiel et al. 2022 |
|---|---|
|
Tp
(days)
|
2455702.65±17.26
(JD)
|
|
ω
(deg)
|
353.11+111.81-11.81
|
|
Mp
(M⨁)
|
718±181 |
|
Mp
(MJup)
|
2.26±0.57 |
|
e
|
0.35±0.19 |
|
i
(deg)
|
69.20±25.61 |
|
P
(days)
|
284.39±1.47 |
|
a
(au)
|
0.63965±0.00067 |
Literature Time Series
(1 File Type, 1 File)
| File Type | Data Points | Filter | Reference |
|---|---|---|---|
| Photometric Light Curve | 134 | Hp (Hipparcos) | Hipparcos and Tycho Catalogs |
GJ 896 B Nearby Data (within 30 arcseconds) Browse Nearby Data
+
- Known Objects
- 1 Confirmed Planets
- 2 2MASS Point Source Catalog
- Data Files
- 1 Associated Literature Data
GJ 896 A Nearby Data (within 30 arcseconds) Browse Nearby Data
+
- Known Objects
- 1 Confirmed Planets
- 2 2MASS Point Source Catalog
- Data Files
- 1 Associated Literature Data
-
3D Orbital Architecture of a Dwarf Binary System and Its Planetary Companion
Curiel et al. 2022 Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 Reference Overview -
ExoCat-1: The Nearby Stellar Systems Catalog for Exoplanet Imaging Missions
Turnbull 2015 Reference Overview -
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog Reference Overview -
Revised Coordinates and Proper Motions of the Stars in the Luyten Half-Second Catalog
Bakos et al. 2002 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 -
The Palomar/MSU nearby star spectroscopic survey. II. The southern M dwarfs and investigations of magnetic activity.
Hawley et al. 1996 Reference Overview -
Photometry of Stars with Large Proper Motion
Weis 1996 Reference Overview -
CA II H and K measurements made at Mount Wilson Observatory, 1966-1983
Duncan et al. 1991 Reference Overview
- System
- Star
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- Candidate
- False Positive Planet
- Controversial
- False Positive
- Aliases
- Data Access
- Transit Prediction Service
- Time Series
- Kepler | K2
- External Link
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