HD 28471 Overview
HD 28471
1.09
R⦿
5737.24
K
HD 28471 b
HD 28471 c
HD 28471 d
- Architecture
- HD 28471
- HD 28471
Discovery Data
| Host | Planet | Orbital Separation | Planet Size | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|---|---|
| HD 28471 | HD 28471 b | 3.16 d | > 3.72 M⨁ | Radial Velocity | 2025 | Stevenson et al. 2025 | Confirmed Planet |
| HD 28471 | HD 28471 c | 6.12 d | > 5.72 M⨁ | Radial Velocity | 2025 | Stevenson et al. 2025 | Confirmed Planet |
| HD 28471 | HD 28471 d | 11.68 d | > 4.91 M⨁ | Radial Velocity | 2025 | Stevenson et al. 2025 | Confirmed Planet |
HD 28471 b
- Equilibrium temperature was calculated assuming a Bond albedo of 0.088. (Stevenson et al. 2025)
- Equilibrium temperature was calculated assuming a Bond albedo of 0.088. (Stevenson et al. 2025)
- Equilibrium temperature was calculated assuming a Bond albedo of 0.088. (Stevenson et al. 2025)
- RA
- 04h25m09.00s
- Dec
- -64d04m43.27s
- Distance
-
43.6455+0.0622-0.0620pc
- Parallax
- 22.8829000±0.0323324 mas
- Ecliptic Latitude
- -79.86042 deg
- Ecliptic Longitude
- 3.07195 deg
- Galactic Latitude
- -39.93482 deg
- Galactic Longitude
- 275.68345 deg
- Total Proper Motion
- 327.5470829±0.0676653 mas/yr
- Proper Motion (RA)
- -62.2676000±0.0767852 mas/yr
- Proper Motion (Dec)
- 321.5740000±0.0672993 mas/yr
- Photometry
-
mV7.89±0.03
-
mTESS7.2953±0.0060
-
mJ6.717±0.021
-
mH6.451±0.063
-
mKs6.315±0.027
-
mGaia7.727510±0.000183
-
mB8.586±0.000
| Source | Stevenson et al. 2025 | TICv8 |
|---|---|---|
|
Teff
(K)
|
5766±101 |
5737.240+145.492-136.916
|
|
L✶
(log10(L⦿))
|
--- |
0.061674847+0.010486013-0.011908757
|
|
Metallicity
(dex)
|
-0.04±0.03 [Fe/H] | -0.0600000±0.0070711 [M/H] |
|
ρ✶
(g/cm3)
|
--- |
1.120763+0.292144-0.236920
|
|
M✶
(M⦿)
|
0.9800±0.0440 |
1.0200000+0.1815990-0.0797201
|
|
R✶
(R⦿)
|
1.080±0.057 |
1.0866400+0.0627528-0.0589658
|
|
log g
(log10(cm/s2))
|
4.38±0.06 |
4.3745000+0.0859443-0.0784457
|
|
v sin i
(km/s)
|
<2.0 | --- |
|
Age
(Gyr)
|
6.56±1.94 | --- |
|
Sp. T
|
G5 V | --- |
|
Prot
(days)
|
26.18±0.29 | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity
- Tools
- Planetary Systems
| Source | Stevenson et al. 2025 |
|---|---|
|
Teq
(K)
|
1377 |
|
ω
(deg)
|
152+23-26
|
|
Mp sin i
(M⨁)
|
3.72+0.40-0.43
|
|
Mp sin i
(MJup)
|
0.0117+0.0013-0.0014
|
|
e
|
0.195+0.061-0.073
|
|
P
(days)
|
3.1649+0.0002-0.0003
|
|
K
(m/s)
|
1.679+0.180-0.197
|
|
a
(au)
|
0.042±0.001 |
|
TC
(days)
|
2452945.806
(BJD)
|
- Status
- Confirmed Planet
- Detected By
- Radial Velocity
- Tools
- Planetary Systems
| Source | Stevenson et al. 2025 |
|---|---|
|
Teq
(K)
|
1066 |
|
ω
(deg)
|
76.0+222.0-46.0
|
|
Mp sin i
(M⨁)
|
5.72+0.57-0.72
|
|
Mp sin i
(MJup)
|
0.0180+0.0018-0.0023
|
|
e
|
0.0880+0.0580-0.0540
|
|
P
(days)
|
6.1245+0.0856-0.0009
|
|
K
(m/s)
|
2.045+0.190-0.257
|
|
a
(au)
|
0.065±0.001 |
|
TC
(days)
|
2452945.806
(BJD)
|
- Status
- Confirmed Planet
- Detected By
- Radial Velocity
- Tools
- Planetary Systems
| Source | Stevenson et al. 2025 |
|---|---|
|
Teq
(K)
|
945 |
|
ω
(deg)
|
96.0+204.0-62.0
|
|
Mp sin i
(M⨁)
|
4.91+0.82-0.77
|
|
Mp sin i
(MJup)
|
0.0154+0.0026-0.0024
|
|
e
|
0.0930+0.0640-0.0580
|
|
P
(days)
|
11.6810+0.0042-0.0055
|
|
K
(m/s)
|
1.411+0.233-0.218
|
|
a
(au)
|
0.100±0.002 |
|
TC
(days)
|
2452945.806
(BJD)
|
- Known Objects
- 3 Confirmed Planets
- 2 2MASS Point Source Catalog
- Data Files
- 3 Associated Literature Data
- System
- Star
- Confirmed
- Candidate
- False Positive Planet
- Controversial
- False Positive
- Aliases
- Data Access
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- Time Series
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