HD 73256 Overview
HD 73256
0.89
R⦿
5570.00
K
Χ
HD 73256 b
HD 73256 c
HD 73256 Architecture & Discovery Information
| Name | Orbital Separation | Planet Size | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|---|
| HD 73256 | ||||||
| HD 73256 b | 2.55 d | > 594.34 M⨁ | Radial Velocity | 2003 | Udry et al. 2003 | False Positive Planet |
| HD 73256 c | 2690 d | 5085.25 M⨁ | Radial Velocity | 2023 | Philipot et al. 2023 | Confirmed Planet |
HD 73256 b
- Confirmed planet signal refuted in ref. (Ment et al. 2018)
- The authors note that the data is equally well fit by a retrograde orbital inclination of 152 +8 -7 deg. (Philipot et al. 2023)
- RA
- 08h36m22.80s
- Dec
- -30d02m14.40s
- Distance
-
36.7080+0.0562-0.0559pc
- Parallax
- 27.2131000±0.0412944 mas
- Ecliptic Latitude
- -46.59488 deg
- Ecliptic Longitude
- 142.60069 deg
- Galactic Latitude
- 6.45039 deg
- Galactic Longitude
- 251.53692 deg
- Total Proper Motion
- 193.9823698±0.0573928 mas/yr
- Proper Motion (RA)
- -182.0150000±0.0577436 mas/yr
- Proper Motion (Dec)
- 67.0798000±0.0547406 mas/yr
- Photometry
-
mV8.08±0.03
-
mTESS7.3697±0.0060
-
mJ6.719±0.029
-
mH6.376±0.024
-
mKs6.264±0.023
-
mW16.252±0.076
-
mW26.166±0.024
-
mW36.288±0.015
-
mW46.254±0.056
-
mGaia7.856760±0.000738
-
mB8.797±0.071
-
Abundances
(Hypatia Catalog) -
[Fe/H] 0.27±0.13 dex
-
[C/H] 0.28±0.08 dex
-
[O/H] 0.19±0.14 dex
-
[Na/H] 0.32±0.11 dex
-
[Mg/H] 0.27±0.10 dex
-
[Al/H] 0.31±0.12 dex
-
[Si/H] 0.29±0.14 dex
-
[Ca/H] 0.28±0.09 dex
-
[Y/H] 0.25±0.02 dex
-
[BaII/H] 0.21±0.01 dex
| Source | Philipot et al. 2023 | TICv8 | Udry et al. 2003 |
|---|---|---|---|
|
Teff
(K)
|
--- |
5504.000+161.276-112.018
|
5570±50 |
|
L✶
(log10(L⦿))
|
--- |
-0.1319825+0.0116848-0.0089012
|
-0.16 |
|
Metallicity
(dex)
|
--- | 0.24±0.10 [M/H] | 0.29±0.05 [Fe/H] |
|
γ
(km/s)
|
--- | --- | 29.729±0.005 |
|
v sin i
(km/s)
|
3.50 | --- | 3.22±0.32 |
|
Age
(Gyr)
|
2.2±2.1 | --- | 0.830 |
|
M✶
(M⦿)
|
1.00±0.05 |
0.9700000+0.1579010-0.0853530
|
1.05 |
|
R✶
(R⦿)
|
--- |
0.94472300+0.06233520-0.04520250
|
0.89 |
|
CAII LOG RHK
|
-4.46 | --- | -4.49 |
|
log g
(log10(cm/s2))
|
--- |
4.4742300+0.0798824-0.0912557
|
4.66±0.10 |
|
Sp. T
|
G8 IV | --- | G8/K0 |
|
Prot
(days)
|
--- | --- | 13.97 |
|
ρ✶
(g/cm3)
|
--- |
1.621892+0.384086-0.384028
|
--- |
- Status
- False Positive Planet
- Detected By
- Radial Velocity
- Tools
| Source | Udry et al. 2003 |
|---|---|
|
Tp
(days)
|
2452500.18±0.28
(JD)
|
|
ω
(deg)
|
337.3±45.8 |
|
Mp sin i
(M⨁)
|
594±156 |
|
Mp sin i
(MJup)
|
1.87±0.49 |
|
e
|
0.029±0.020 |
|
P
(days)
|
2.54858±0.00016 |
|
K
(m/s)
|
269±8 |
|
a
(au)
|
0.037 |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity
- Tools
- Planetary Systems
| Source | Philipot et al. 2023 |
|---|---|
|
Tp
(days)
|
2454244+134-179
(BJD)
|
|
ω
(deg)
|
300+37-53
|
|
Mp
(M⨁)
|
5085±318 |
|
Mp
(MJup)
|
16±1 |
|
e
|
0.16±0.07 |
|
i
(deg)
|
29+5-3
|
|
P
(days)
|
2690+60-102
|
|
a
(au)
|
3.8±0.1 |
Nearby Data
(within 30 arcseconds)
Browse Nearby Data
+
- Known Objects
- 1 Confirmed Planets
- 4 2MASS Point Source Catalog
- Data Files
- 4 KELT Time Series
- 1 Associated Literature Data
-
A multi-technique approach to identifying and/or constraining radial-velocity substellar companions
Philipot et al. 2023 Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 Reference Overview -
Radial Velocities from the N2K Project: Six New Cold Gas Giant Planets Orbiting HD 55696, HD 98736, HD 148164, HD 203473, and HD 211810
Ment et al. 2018 Reference Overview -
The CORALIE survey for southern extra-solar planets. X. A Hot Jupiter orbiting HD 73256
Udry et al. 2003 Reference Overview
- System
- Star
- Confirmed
- Candidate
- False Positive Planet
- Controversial
- False Positive
- Aliases
- Data Access
- Transit Prediction Service
- Time Series
- Kepler | K2
- External Link
- Search
- Browse
- Download
HD 73256
Catalog Parameters
36.7080+0.0562-0.0559
Set Parameters
