HD 5388 Overview
HD 5388
1.91
R⦿
6297.00
K
!
HD 5388 b
HD 5388 Architecture & Discovery Information
| Name | Orbital Separation | Planet Size | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|---|
| HD 5388 | ||||||
| HD 5388 b | 772.5 d | 1017.05 M⨁ | Radial Velocity | 2010 | Santos et al. 2010 | Confirmed Planet |
HD 5388 b
- The two solutions are the prograde and retrograde solutions in ref. (Piccinini et al. 2026)
- Planet flagged as controversial. (Sahlmann et al. 2011)
- RA
- 00h55m11.77s
- Dec
- -47d24m24.24s
- Distance
-
53.0661+0.0761-0.0758pc
- Parallax
- 18.8155000±0.0267559 mas
- Ecliptic Latitude
- -47.70079 deg
- Ecliptic Longitude
- 347.5777 deg
- Galactic Latitude
- -69.70814 deg
- Galactic Longitude
- 301.09815 deg
- Total Proper Motion
- 195.4317311±0.0342531 mas/yr
- Proper Motion (RA)
- -80.3900000±0.0284052 mas/yr
- Proper Motion (Dec)
- -178.1320000±0.0353257 mas/yr
- Photometry
-
mV6.73±0.03
-
mTESS6.2364±0.0060
-
mJ5.795±0.019
-
mH5.524±0.036
-
mKs5.441±0.024
-
mW15.400±0.189
-
mW25.242±0.064
-
mW35.454±0.015
-
mW45.365±0.037
-
mGaia6.591490±0.000179
-
mB7.210±0.023
| Source | Piccinini et al. 2026 | TICv8 | Santos et al. 2010 |
|---|---|---|---|
|
Teff
(K)
|
6297±32 |
6253.180+118.626-110.918
|
6297±32 |
|
L✶
(log10(L⦿))
|
--- |
0.6770383+0.0165422-0.0133582
|
0.663 |
|
Metallicity
(dex)
|
--- | -0.28±0.06 [M/H] | -0.27±0.02 [Fe/H] |
|
v sin i
(km/s)
|
--- | --- | 4.2 |
|
M✶
(M⦿)
|
1.21 |
1.210000+0.213095-0.139925
|
1.21 |
|
R✶
(R⦿)
|
1.91 |
1.8576800+0.0897241-0.0679543
|
1.91 |
|
CAII LOG RHK
|
--- | --- | -4.98 |
|
log g
(log10(cm/s2))
|
--- |
3.9829100+0.0989118-0.0667970
|
4.28±0.06 |
|
Sp. T
|
F6 V | --- | F6 V |
|
ρ✶
(g/cm3)
|
--- |
0.2660977+0.0677740-0.0496009
|
--- |
- Status
-
Confirmed Planet
- Controversial
- Detected By
- Astrometry, Radial Velocity
- Tools
- Planetary Systems
| Source | Piccinini et al. 2026 | Piccinini et al. 2026 | Sahlmann et al. 2011 | Santos et al. 2010 |
|---|---|---|---|---|
|
Tp
(days)
|
2458432+24-23
(BJD)
|
2458432+24-23
(BJD)
|
--- |
2454570±9
(JD)
|
|
ω
(deg)
|
325.9+2.8-2.7
|
325.9+2.8-2.7
|
--- | 324±4 |
|
Mp
(M⨁)
|
1017+95-64
|
1049±64 | 21994±6325 | --- |
|
Mp
(MJup)
|
3.2+0.3-0.2
|
3.3±0.2 | 69.2±19.9 | --- |
|
Mp sin i
(M⨁)
|
636+159-95
|
636+159-95
|
--- | 623 |
|
Mp sin i
(MJup)
|
2.0+0.5-0.3
|
2.0+0.5-0.3
|
--- | 1.96 |
|
e
|
0.41±0.02 | 0.41±0.02 | --- | 0.40±0.02 |
|
i
(deg)
|
38.7+10.2-6.8
|
142.4+6.2-8.5
|
178.3+0.4-0.7
|
--- |
|
P
(days)
|
772.5±1.0 | 772.5±1.0 | --- | 777±4 |
|
K
(m/s)
|
42.7+1.4-1.3
|
42.7+1.4-1.3
|
--- | 41.7±1.6 |
|
a
(au)
|
1.757±0.001 | 1.757±0.001 | --- | 1.76 |
Nearby Data
(within 30 arcseconds)
Browse Nearby Data
+
- Known Objects
- 1 Confirmed Planets
- 2 2MASS Point Source Catalog
- Data Files
- 1 Associated Literature Data
-
True masses using radial velocity data with HIPPARCOS and Gaia astrometry
Piccinini et al. 2026 Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 Reference Overview -
HD 5388 b is a 69 MJup companion instead of a planet
Sahlmann et al. 2011 Reference Overview -
The HARPS search for southern extra-solar planets. XXI. Three new giant planets orbiting the metal-poor stars HD 5388, HD 181720, and HD 190984
Santos et al. 2010 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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