HIP 84988 Overview
HD 155918
1.07
R⦿
5752.00
K
HD 155918 b
HD 155918 c
- Architecture
- HIP 84988
- HD 155918
- Other Data
- Bibliography 15
- Nearby Data 4
Discovery Data
| Host | Planet | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|
| HD 155918 | HD 155918 b | Radial Velocity | 2022 | Feng et al. 2022 | Confirmed Planet |
| HD 155918 | HD 155918 c | Radial Velocity | 2022 | Feng et al. 2022 | Confirmed Planet |
- RA
- 17h22m08.74s
- Dec
- -75d20m57.26s
- Distance
-
27.5610+0.0227-0.0226pc
- Parallax
- 36.2541000±0.0296211 mas
- Ecliptic Latitude
- -52.03731 deg
- Ecliptic Longitude
- 266.11975 deg
- Galactic Latitude
- -20.83375 deg
- Galactic Longitude
- 317.42953 deg
- Total Proper Motion
- 990.6211832±0.0397409 mas/yr
- Proper Motion (RA)
- -957.860000±0.038915 mas/yr
- Proper Motion (Dec)
- -252.6550000±0.0501306 mas/yr
- Photometry
-
mV7.00±0.03
-
mTESS6.4247±0.0060
-
mJ5.828±0.018
-
mH5.571±0.029
-
mKs5.459±0.020
-
mIc6.315
-
mGaia6.840600±0.000191
-
mB7.591±0.023
-
Abundances
(Hypatia Catalog) -
[Fe/H] -0.65±0.06 dex
-
-
[O/H] -0.23±0.09 dex
-
[Na/H] -0.61±0.12 dex
-
[Mg/H] -0.36±0.07 dex
-
[Al/H] -0.55±0.06 dex
-
[Si/H] -0.42±0.08 dex
-
[Ca/H] -0.47±0.06 dex
-
[Y/H] -0.80±0.08 dex
-
[BaII/H] -0.73±0.15 dex
| Source | Feng et al. 2022 | TICv8 | Turnbull 2015 | Gray et al. 2006 | Valenti & Fischer 2005 | Nordstrom et al. 2004 | Michigan Catalog, Vol. 1 | Cannon & Pickering 1918 |
|---|---|---|---|---|---|---|---|---|
|
γ
(km/s)
|
--- | --- | --- | --- | 60.9 | 59.7±0.2 | --- | --- |
|
v sin i
(km/s)
|
--- | --- | --- | --- | 0.0±0.5 | 5 | --- | --- |
|
Sp. T
|
--- | --- | G2V | G2 V Fe-1.0 CH-0.6 | --- | --- | G2 V | G0 |
|
Teff
(K)
|
--- |
5771.840+107.209-104.373
|
5752 | --- | --- | --- | --- | --- |
|
L✶
(log10(L⦿))
|
--- |
0.016350041+0.010849271-0.011148973
|
0.049 +0.019-0.020
|
--- | --- | --- | --- | --- |
|
Metallicity
(dex)
|
--- | -0.6616±0.0240 [M/H] | -0.64 [Fe/H] | --- | --- | --- | --- | --- |
|
Age
(Gyr)
|
--- | --- | 12.3 | --- | --- | --- | --- | --- |
|
M✶
(M⦿)
|
1.030±0.132 |
1.030000+0.161671-0.101537
|
1.63 | --- | --- | --- | --- | --- |
|
R✶
(R⦿)
|
--- |
1.0190600+0.0413151-0.0465040
|
1.07 | --- | --- | --- | --- | --- |
|
log g
(log10(cm/s2))
|
--- |
4.4345100+0.0989667-0.0459981
|
4.61 | --- | --- | --- | --- | --- |
|
ρ✶
(g/cm3)
|
--- |
1.372163+0.323231-0.215540
|
--- | --- | --- | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity
- Tools
| Source | Feng et al. 2022 |
|---|---|
|
Tp
(days)
|
2452387.913+0.169-0.172
|
|
ω
(deg)
|
92.2510+140.5840-87.9040
|
|
Mp sin i
(M⨁)
|
7.6+1.0-1.3
|
|
Mp sin i
(MJup)
|
0.024+0.003-0.004
|
|
e
|
0.1940+0.1970-0.1290
|
|
P
(days)
|
1.87567±0.00004 |
|
K
(m/s)
|
3.935+0.465-0.437
|
|
a
(au)
|
0.030±0.001 |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity
- Tools
| Source | Feng et al. 2022 |
|---|---|
|
Tp
(days)
|
2435237.918+16765.080-999.608
|
|
ω
(deg)
|
182.687+20.491-22.798
|
|
Mp
(M⨁)
|
1878+208-243
|
|
Mp
(MJup)
|
5.909+0.653-0.766
|
|
e
|
0.0710+0.0510-0.0530
|
|
i
(deg)
|
31.771+2.806-2.131
|
|
P
(days)
|
17202.19446+2100.79072-1950.03472
|
|
K
(m/s)
|
24.023+1.315-1.684
|
|
a
(au)
|
13.183+1.170-1.179
|
Literature Time Series
(1 File Type, 1 File)
| File Type | Data Points | Filter | Reference |
|---|---|---|---|
| Photometric Light Curve | 177 | Hp (Hipparcos) | Hipparcos and Tycho Catalogs |
- Known Objects
- 2 Confirmed Planets
- 2 2MASS Point Source Catalog
- Data Files
- 2 Associated Literature Data
-
3D Selection of 167 Substellar Companions to Nearby Stars
Feng et al. 2022 | Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 | Reference Overview -
ExoCat-1: The Nearby Stellar Systems Catalog for Exoplanet Imaging Missions
Turnbull 2015 | 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 -
Revised Coordinates and Proper Motions of the Stars in the Luyten Half-Second Catalog
Bakos et al. 2002 | Reference Overview -
Yale Trigonometric Parallaxes, Fourth Edition (van Altena+ 1995)
van Altena et al. 2001 | 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 -
BVRI photometry of the Gliese Catalogue stars
Bessell 1990 | Reference Overview -
VRI photometry of nearby stars.
Cousins 1980a | Reference Overview -
Michigan Catalog of two-dimensional spectral types for the HD stars, Vol 1
Michigan Catalog, Vol. 1 | 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
