HD 31527 Overview
HD 31527
1.07
R⦿
5915.00
K
HD 31527 b
HD 31527 c
HD 31527 d
- Architecture
- HD 31527
- HD 31527
- Other Data
- Bibliography 14
- Nearby Data 4
Discovery Data
| Host | Planet | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|
| HD 31527 | HD 31527 b | Radial Velocity | 2019 | Udry et al. 2019 | Confirmed Planet |
| HD 31527 | HD 31527 c | Radial Velocity | 2019 | Udry et al. 2019 | Confirmed Planet |
| HD 31527 | HD 31527 d | Radial Velocity | 2019 | Udry et al. 2019 | Confirmed Planet |
- RA
- 04h55m38.31s
- Dec
- -23d14m28.74s
- Distance
- 38.4473±0.0408 pc
- Parallax
- 25.9807000±0.0274041 mas
- Ecliptic Latitude
- -45.49771 deg
- Ecliptic Longitude
- 68.69596 deg
- Galactic Latitude
- -35.15345 deg
- Galactic Longitude
- 223.38845 deg
- Total Proper Motion
- 146.0512221±0.0448528 mas/yr
- Proper Motion (RA)
- -65.8992000±0.0358191 mas/yr
- Proper Motion (Dec)
- 130.3390000±0.0468835 mas/yr
- Photometry
-
mV7.49±0.03
-
mTESS6.9255±0.0060
-
mJ6.373±0.024
-
mH6.048±0.029
-
mKs6.049±0.018
-
mW16.04±0.11
-
mW25.938±0.034
-
mW36.034±0.016
-
mW45.995±0.046
-
mGaia7.332220±0.000169
-
mB8.072±0.023
-
Abundances
(Hypatia Catalog) -
[Fe/H] -0.16±0.07 dex
-
[C/H] -0.12±0.08 dex
-
[O/H] -0.14±0.12 dex
-
[Na/H] -0.15±0.12 dex
-
[Mg/H] -0.09±0.10 dex
-
[Al/H] -0.15±0.10 dex
-
[Si/H] -0.14±0.09 dex
-
[Ca/H] -0.08±0.08 dex
-
[Y/H] -0.12±0.22 dex
-
[BaII/H] -0.10±0.09 dex
| Source | TICv8 | Udry et al. 2019 | Gaia DR2 | Tsantaki et al. 2014 | Sousa et al. 2008 | Gray et al. 2006 | Valenti & Fischer 2005 | Nordstrom et al. 2004 | Michigan Catalog, Vol. 4 | Cannon & Pickering 1918 |
|---|---|---|---|---|---|---|---|---|---|---|
|
Teff
(K)
|
5909.590+103.561-105.801
|
5898±13 |
5922.0+65.5-17.5
|
5915±18 | 5898±13 | --- | --- | --- | --- | --- |
|
Metallicity
(dex)
|
-0.1710530±0.0068825 [M/H] | -0.17±0.01 [Fe/H] | --- | -0.17±0.03 [Fe/H] | -0.17±0.01 [Fe/H] | --- | --- | --- | --- | --- |
|
v sin i
(km/s)
|
--- | 1.9 | --- | 2.36 | --- | --- | 1.1±0.5 | 4 | --- | --- |
|
log g
(log10(cm/s2))
|
4.4027300+0.0641249-0.0813275
|
4.45±0.02 | --- | 4.40±0.06 | 4.45±0.02 | --- | --- | --- | --- | --- |
|
L✶
(log10(L⦿))
|
0.10564369+0.00827594-0.01658762
|
0.0792+0.0107-0.0110
|
0.10632912+0.00076008-0.00076144
|
--- |
0.07773+0.00970-0.00992
|
--- | --- | --- | --- | --- |
|
M✶
(M⦿)
|
1.070000+0.150681-0.133545
|
0.96 | --- | --- | 0.962 | --- | --- | --- | --- | --- |
|
Sp. T
|
--- | G2 V | --- | --- | --- | G0 V | --- | --- | G2 V | G0 |
|
Prot
(days)
|
--- | 20.3±2.9 | --- | --- | --- | --- | --- | --- | --- | --- |
|
γ
(km/s)
|
--- | --- | 25.658263649284038±0.163053143748342 | --- | --- | --- | 30.4 | 25.6±0.2 | --- | --- |
|
R✶
(R⦿)
|
1.0773600+0.0457884-0.0417492
|
--- |
1.0736936+0.0063740-0.0233627
|
--- | --- | --- | --- | --- | --- | --- |
|
ρ✶
(g/cm3)
|
1.2063404+0.2151987-0.2509279
|
--- | --- | --- | --- | --- | --- | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity
- Tools
| Source | Udry et al. 2019 |
|---|---|
|
Tp
(days)
|
2455499.5453+1.3130-1.5818
|
|
ω
(deg)
|
41.12+29.46-34.41
|
|
Mp sin i
(M⨁)
|
10.47+0.89-0.87
|
|
Mp sin i
(MJup)
|
0.0329±0.0028 |
|
e
|
0.10±0.05 |
|
P
(days)
|
16.5535+0.0034-0.0035
|
|
K
(m/s)
|
2.72±0.13 |
|
a
(au)
|
0.1254+0.0041-0.0045
|
- Status
- Confirmed Planet
- Detected By
- Radial Velocity
- Tools
| Source | Udry et al. 2019 |
|---|---|
|
Tp
(days)
|
2455526.3434+9.7876-21.5943
|
|
ω
(deg)
|
-23.250+68.940-152.430
|
|
Mp sin i
(M⨁)
|
14.16+1.28-1.23
|
|
Mp sin i
(MJup)
|
0.0445+0.0040-0.0039
|
|
e
|
0.04+0.05-0.03
|
|
P
(days)
|
51.2053+0.0373-0.0368
|
|
K
(m/s)
|
2.51±0.14 |
|
a
(au)
|
0.2663+0.0088-0.0095
|
- Status
- Confirmed Planet
- Detected By
- Radial Velocity
- Tools
| Source | Udry et al. 2019 |
|---|---|
|
Tp
(days)
|
2455718.8091+21.3880-17.3759
|
|
ω
(deg)
|
179.00+31.11-26.20
|
|
Mp sin i
(M⨁)
|
11.82+1.70-1.64
|
|
Mp sin i
(MJup)
|
0.0372+0.0053-0.0052
|
|
e
|
0.24±0.13 |
|
P
(days)
|
271.6737+2.1135-2.2471
|
|
K
(m/s)
|
1.25+0.17-0.16
|
|
a
(au)
|
0.8098+0.0273-0.0293
|
Literature Time Series
(1 File Type, 1 File)
| File Type | Data Points | Filter | Reference |
|---|---|---|---|
| Photometric Light Curve | 188 | Hp (Hipparcos) | Hipparcos and Tycho Catalogs |
- Known Objects
- 3 Confirmed Planets
- 1 2MASS Point Source Catalog
- Data Files
- 1 SuperWASP Time Series
- 3 Associated Literature Data
-
The Revised TESS Input Catalog and Candidate Target List
TICv8 | Reference Overview -
The HARPS search for southern extra-solar planets. XLIV. Eight HARPS multi-planet systems hosting 20 super-Earth and Neptune-mass companions
Udry et al. 2019 | Reference Overview -
Gaia Data Release 2
Gaia DR2 | Reference Overview -
Spectroscopic parameters for solar-type stars with moderate-to-high rotation. New parameters for ten planet hosts
Tsantaki et al. 2014 | Reference Overview -
Spectroscopic parameters for 451 stars in the HARPS GTO planet search program. Stellar [Fe/H] and the frequency of exo-Neptunes
Sousa et al. 2008 | Reference Overview -
Contributions to the Nearby Stars (NStars) Project: Spectroscopy of Stars Earlier than M0 within 40 parsecs: The Southern Sample
Gray et al. 2006 | Reference Overview -
Spectroscopic Properties of Cool Stars (SPOCS). I. 1040 F, G, and K Dwarfs from Keck, Lick, and AAT Planet Search Programs
Valenti & Fischer 2005 | Reference Overview -
The Geneva-Copenhagen survey of the Solar neighbourhood. Ages,metallicities and kinematix properties of ~14 000 F and G dwarfs
Nordstrom et al. 2004 | 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 -
Michigan Catalog of two-dimensional spectral types for the HD stars, Vol 4
Michigan Catalog, Vol. 4 | 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
- Kepler | K2
- External Link
- Search
- Browse
- Download
