HD 148797 Overview
-
Star:
HD 148797
- Stellar Radius: 1.58 Solar Radius
- Stellar Effective Temperature: 6514.00 K
-
Planet:
HD 148797 b
- Disposition Confirmed
- Planet Radius 0.736 Jupiter Radius
-
Planet:
HD 148797 c
- Disposition Confirmed
- Planet Radius 0.746 Jupiter Radius
HD 148797 Architecture & Discovery Information
| Name | Orbital Separation | Planet Size | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|---|
| HD 148797 | ||||||
| HD 148797 b | 42.1 d | 8.25 R⨁ | Transit | 2026 | Almenara et al. 2026 | Confirmed Planet |
| HD 148797 c | 68.15 d | 8.36 R⨁ | Transit | 2026 | Almenara et al. 2026 | Confirmed Planet |
- RA
- 16h33m39.06s
- Dec
- -56d41m57.40s
- Distance
-
172.374+1.219-1.203pc
- Parallax
- 5.7728900±0.0404425 mas
- Ecliptic Latitude
- -34.31606 deg
- Ecliptic Longitude
- 255.83979 deg
- Galactic Latitude
- -6.0111 deg
- Galactic Longitude
- 330.01391 deg
- Total Proper Motion
- 68.8621073±0.0514979 mas/yr
- Proper Motion (RA)
- -32.5800000±0.0586258 mas/yr
- Proper Motion (Dec)
- -60.667400±0.049251 mas/yr
- Photometry
- mV 9.569±0.003
- mTESS 9.0886±0.0060
- mJ 8.614±0.024
- mH 8.427±0.051
- mKs 8.355±0.029
- mW1 8.312±0.022
- mW2 8.331±0.019
- mW3 8.397±0.024
- mW4 7.552±0.202
- mGaia 9.432810±0.000252
- mB 10.034±0.042
| Source | Almenara et al. 2026 | TICv8 |
|---|---|---|
|
Teff
(K)
|
6441±50 |
6514.000+136.712-125.710
|
|
L✶
(log10(L⦿))
|
0.582+0.016-0.016
|
0.6078571+0.0232644-0.0194113
|
|
ρ✶
(g/cm3)
|
0.485±0.068 |
0.4782046+0.1344412-0.0908664
|
|
M✶
(M⦿)
|
1.272±0.079 |
1.340000+0.300014-0.161488
|
|
R✶
(R⦿)
|
1.547±0.060 |
1.5808300+0.0671332-0.0692739
|
|
log g
(log10(cm/s2))
|
4.163±0.043 |
4.1674000+0.0777257-0.1007380
|
|
Metallicity
(dex)
|
-0.0930±0.0820 [Fe/H] | --- |
|
Age
(Gyr)
|
2.94±0.76 | --- |
|
Sp. T
|
F6 | --- |
- Status
- Confirmed Planet
- Detected By
- Transit, Transit Timing Variations
| Source | Almenara et al. 2026 |
|---|---|
|
a/R✶
|
35.7±1.6 |
|
Teq
(K)
|
762±17 |
|
b
|
0.877±0.015 |
|
ω
(deg)
|
207±20 |
|
Mp
(M⨁)
|
39.3+13.0-8.5
|
|
Mp
(MJup)
|
0.124+0.041-0.027
|
|
e
|
0.153±0.093 |
|
i
(deg)
|
88.65±0.11 |
|
P
(days)
|
42.0988331 |
|
ρ
(g/cm3)
|
0.39±0.12 |
|
Rp
(R⨁)
|
8.25±0.37 |
|
Rp
(RJup)
|
0.736±0.033 |
|
Rp/R✶
|
0.04891±0.00091 |
|
K
(m/s)
|
6.2+2.0-1.3
|
|
a
(au)
|
0.2568±0.0052 |
|
TC
(days)
|
2458648.728195
(BJD-TDB)
|
- Status
- Confirmed Planet
- Detected By
- Transit, Transit Timing Variations
| Source | Almenara et al. 2026 |
|---|---|
|
a/R✶
|
49.2±2.2 |
|
Teq
(K)
|
650±15 |
|
b
|
0.748±0.028 |
|
ω
(deg)
|
189±23 |
|
Mp
(M⨁)
|
39.6±9.3 |
|
Mp
(MJup)
|
0.125±0.029 |
|
e
|
0.126±0.081 |
|
i
(deg)
|
89.115±0.070 |
|
P
(days)
|
68.1514539 |
|
ρ
(g/cm3)
|
0.377±0.084 |
|
Rp
(R⨁)
|
8.36±0.38 |
|
Rp
(RJup)
|
0.746±0.034 |
|
Rp/R✶
|
0.04956±0.00080 |
|
K
(m/s)
|
5.3±1.2 |
|
a
(au)
|
0.3536±0.0072 |
|
TC
(days)
|
2458691.286130
(BJD-TDB)
|
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