HR 8799 Overview
HR 8799
1.44
R⦿
7339.00
K
HR 8799 b
1.200
RJup
HR 8799 c
1.200
RJup
HR 8799 d
1.200
RJup
HR 8799 e
1.170
RJup
- Other Data
- Bibliography 16
- Exoplanet Archive Notes 9
- Nearby Data 4
Discovery Data
| Host | Planet | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|
| HR 8799 | HR 8799 b | Imaging | 2008 | Marois et al. 2008 | Confirmed Planet |
| HR 8799 | HR 8799 c | Imaging | 2008 | Marois et al. 2008 | Confirmed Planet |
| HR 8799 | HR 8799 d | Imaging | 2008 | Marois et al. 2008 | Confirmed Planet |
| HR 8799 | HR 8799 e | Imaging | 2010 | Marois et al. 2010 | Confirmed Planet |
HR 8799
- Stellar age value/uncertainties estimated from range given in ref. (Marois et al. 2008)
- Values drawn from Table 7, model Case A. (Zurlo et al. 2016)
- Values drawn from Table 7, model Exo-REM4 G. Effective temperature entered under equilibrium temperature. (Bonnefoy et al. 2016)
- Values drawn from Table 7, model Case A. (Zurlo et al. 2016)
- Values drawn from Table 7, model Exo-REM4 G. Effective temperature entered under equilibrium temperature. (Bonnefoy et al. 2016)
- Values drawn from Table 7, model Case A. (Zurlo et al. 2016)
- Values drawn from Table 7, model Exo-REM4 G. Effective temperature entered under equilibrium temperature. (Bonnefoy et al. 2016)
- Values drawn from Table 7, model Case A. (Zurlo et al. 2016)
- Values drawn from Table 7, model Exo-REM4 G. Effective temperature entered under equilibrium temperature. (Bonnefoy et al. 2016)
- RA
- 23h07m28.84s
- Dec
- +21d08m02.54s
- Distance
-
41.2441+0.1515-0.1505pc
- Parallax
- 24.2175000±0.0880942 mas
- Ecliptic Latitude
- 24.52435 deg
- Ecliptic Longitude
- 356.78405 deg
- Galactic Latitude
- -35.57552 deg
- Galactic Longitude
- 92.7646 deg
- Total Proper Motion
- 119.0689573±0.1652303 mas/yr
- Proper Motion (RA)
- 108.301000±0.167781 mas/yr
- Proper Motion (Dec)
- -49.48040±0.15242 mas/yr
- Photometry
-
mV5.98±0.01
-
mTESS5.7051±0.0063
-
mJ5.383±0.027
-
mH5.280±0.018
-
mKs5.240±0.018
-
mW15.194±0.217
-
mW25.045±0.078
-
mW35.214±0.016
-
mW44.853±0.036
-
mGaia5.9091400±0.0018783
-
mB6.2350000±0.0714143
| Source | Swastik et al. 2021 | TICv8 | Gravity Collaboration et al. 2019 | Gaia DR2 | Zurlo et al. 2016 | Marois et al. 2008 | Gray et al. 2003 | Cannon & Pickering 1918 |
|---|---|---|---|---|---|---|---|---|
|
Teff
(K)
|
7339+4-5
|
7204.5800+83.8357-129.5430
|
7400 |
7376.66+218.34-217.66
|
--- | --- | --- | --- |
|
Metallicity
(dex)
|
-0.65+0.02-0.01
[Fe/H]
|
--- | -0.5 [Fe/H] | --- | --- | -0.47 [M/H] | --- | --- |
|
v sin i
(km/s)
|
34.79+0.24-0.13
|
--- | --- | --- | --- | --- | --- | --- |
|
log g
(log10(cm/s2))
|
4.19+0.01-0.02
|
4.2965600+0.0897777-0.0666633
|
4.0 | --- | --- | --- | --- | --- |
|
Sp. T
|
--- | --- | A5 | --- | --- | A5 V | F0+ V ({lambda} Boo)... | A5 |
|
M✶
(M⦿)
|
--- |
1.610000+0.320028-0.213299
|
--- | --- |
1.510+0.038-0.024
|
1.5±0.3 | --- | --- |
|
L✶
(log10(L⦿))
|
--- |
0.7334676+0.0164458-0.0153483
|
--- |
0.74143533+0.00200321-0.00201253
|
--- |
0.692+0.035-0.038
|
--- | --- |
|
R✶
(R⦿)
|
--- |
1.4933800+0.0493412-0.0509352
|
--- |
1.4376420+0.0887483-0.0814700
|
--- | --- | --- | --- |
|
Age
(Gyr)
|
--- | --- | 0.03 | --- | --- |
0.0600+0.1000-0.0300
|
--- | --- |
|
ρ✶
(g/cm3)
|
--- |
0.6815284+0.1743645-0.0969250
|
--- | --- | --- | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Astrometry, Imaging
| Source | Marois et al. 2008 | Konopacky et al. 2016 | Zurlo et al. 2016 | Bonnefoy et al. 2016 |
|---|---|---|---|---|
|
Mp
(M⨁)
|
2000 +1000-600
|
--- | --- | --- |
|
Mp
(MJup)
|
7 +4-2
|
--- | --- | --- |
|
P
(days)
|
170000 | 171667.5 | 166510.17±9021.68 | --- |
|
Rp
(R⨁)
|
13±1 | --- | --- | 7 |
|
Rp
(RJup)
|
1.2±0.1 | --- | --- | 0.6 |
|
a
(au)
|
68 | 70 | 67.96±1.85 | --- |
|
Tp
(days)
|
--- | --- | 2453936±2350 | --- |
|
i
(deg)
|
--- | 38±7 | 30.27±4.95 | --- |
|
Teq
(K)
|
--- | --- | --- | 1200 |
- Status
- Confirmed Planet
- Detected By
- Astrometry, Imaging
| Source | Marois et al. 2008 | Konopacky et al. 2016 | Zurlo et al. 2016 | Bonnefoy et al. 2016 |
|---|---|---|---|---|
|
Tp
(days)
|
--- | --- | 2396093±3590 | --- |
|
i
(deg)
|
--- | 37±12 | 29.43±0.35 | --- |
|
P
(days)
|
69000 | 67571.25 | 83255.09±4510.84 | --- |
|
a
(au)
|
38 | 38 | 42.81±1.16 | --- |
|
Mp
(M⨁)
|
3000±1000 | --- | --- | --- |
|
Mp
(MJup)
|
10±3 | --- | --- | --- |
|
Rp
(R⨁)
|
13 +1-0
|
--- | --- | 11 |
|
Rp
(RJup)
|
1.2 +0.1-0
|
--- | --- | 1.0 |
|
Teq
(K)
|
--- | --- | --- | 1200 |
|
e
|
--- | <0.5 | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Astrometry, Imaging
| Source | Marois et al. 2008 | Konopacky et al. 2016 | Zurlo et al. 2016 | Bonnefoy et al. 2016 |
|---|---|---|---|---|
|
Mp
(M⨁)
|
3000±1000 | --- | --- | --- |
|
Mp
(MJup)
|
10±3 | --- | --- | --- |
|
P
(days)
|
37000 | --- | 41627.54±2257.24 | --- |
|
Rp
(R⨁)
|
13 +1-0
|
--- | --- | 10 |
|
Rp
(RJup)
|
1.2 +0.1-0
|
--- | --- | 0.9 |
|
a
(au)
|
24 | --- | 26.97±0.73 | --- |
|
Tp
(days)
|
--- | --- | 2438859±566 | --- |
|
i
(deg)
|
--- | 45±8 | 38.63±2.84 | --- |
|
e
|
--- | <0.6 | --- | --- |
|
Teq
(K)
|
--- | --- | --- | 1300 |
- Status
- Confirmed Planet
- Detected By
- Astrometry, Imaging
| Source | Gravity Collaboration et al. 2019 | Zurlo et al. 2016 | Bonnefoy et al. 2016 | Marois et al. 2010 |
|---|---|---|---|---|
|
Tp
(days)
|
--- | 2449940±340 | --- | --- |
|
i
(deg)
|
25±8 | 30.95±1.43 | --- | --- |
|
P
(days)
|
--- | 20815.60±1128.62 | --- | 18000.0 |
|
a
(au)
|
16.4+2.1-1.1
|
16.99±0.46 | --- | 14.5±0.5 |
|
Teq
(K)
|
1150±50 | --- | 1300 | --- |
|
Mp
(M⨁)
|
3178+2225-1271
|
--- | --- | --- |
|
Mp
(MJup)
|
10+7-4
|
--- | --- | --- |
|
e
|
0.15±0.08 | --- | --- | --- |
|
Rp
(R⨁)
|
13.1+1.5-1.2
|
--- | 10 | --- |
|
Rp
(RJup)
|
1.17+0.13-0.11
|
--- | 0.9 | --- |
Literature Time Series
(1 File Type, 1 File)
| File Type | Data Points | Filter | Reference |
|---|---|---|---|
| Photometric Light Curve | 54 | Hp (Hipparcos) | Hipparcos and Tycho Catalogs |
- Known Objects
- 4 Confirmed Planets
- 1 2MASS Point Source Catalog
- Data Files
- 1 SuperWASP Time Series
- 4 Associated Literature Data
-
Host Star Metallicity of Directly Imaged Wide-orbit Planets: Implications for Planet Formation
Swastik et al. 2021 | Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 | Reference Overview -
First direct detection of an exoplanet by optical interferometry. Astrometry and K-band spectroscopy of HR 8799 e
Gravity Collaboration et al. 2019 | Reference Overview -
Gaia Data Release 2
Gaia DR2 | Reference Overview -
Astrometric Monitoring of the HR 8799 Planets: Orbit Constraints from Self-consistent Measurements
Konopacky et al. 2016 | Reference Overview -
First light of the VLT planet finder SPHERE. III. New spectrophotometry and astrometry of the HR 8799 exoplanetary system
Zurlo et al. 2016 | Reference Overview -
First light of the VLT planet finder SPHERE. IV. Physical and chemical properties of the planets around HR8799
Bonnefoy et al. 2016 | Reference Overview -
All WISE Data Release
Cutri et al. 2014 | Reference Overview -
Images of a fourth planet orbiting HR 8799
Marois et al. 2010 | Reference Overview -
Direct Imaging of Multiple Planets Orbiting the Star HR 8799
Marois et al. 2008 | Reference Overview -
Contributions to the Nearby Stars (NStars) Project: Spectroscopy of Stars Earlier than M0 within 40 parsecs: The Northern Sample I
Gray et al. 2003 | 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
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