HW Vir Overview
HW Vir Ab
0.18
R⦿
3903.00
K
Χ
HW Vir b
Χ
HW Vir c
HW Vir Aa
0.18
R⦿
28500.00
K
Χ
HW Vir b
Χ
HW Vir c
- Other Data
- Bibliography 13
- Exoplanet Archive Notes 5
- HW Vir Ab Nearby Data 3
- HW Vir Aa Nearby Data 3
Discovery Data
| Host | Planet | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|
| HW Vir Ab | HW Vir b | Eclipse Timing Variations | 2009 | Lee et al. 2009 | False Positive Planet |
| HW Vir Ab | HW Vir c | Eclipse Timing Variations | 2009 | Lee et al. 2009 | False Positive Planet |
HW Vir
- This reference contains discussion regarding the stellar multiplicity of this system. (Lee et al. 2009)
- This reference contains discussion regarding the stellar multiplicity of this system. (Horner et al. 2012)
- This reference contains discussion regarding the stellar multiplicity of this system. (Beuermann et al. 2012)
- Confirmed planet signal refuted in ref. (Horner et al. 2012)
- Confirmed planet signal refuted in ref. (Horner et al. 2012)
- RA
- ---
- Dec
- ---
- Distance
- ---
- Parallax
- ---
- Ecliptic Latitude
- ---
- Ecliptic Longitude
- ---
- Galactic Latitude
- ---
- Galactic Longitude
- ---
- Total Proper Motion
- ---
- Proper Motion (RA)
- ---
- Proper Motion (Dec)
- ---
- Photometry
-
mV---
-
mTESS---
-
mJ---
-
mH---
-
mKs---
-
mKep---
-
mW1---
-
mW2---
-
mW3---
-
mW4---
-
mGaia---
-
mB---
- Tools
| Source | Esmer et al. 2021 | Lee et al. 2009 |
|---|---|---|
|
M✶
(M⦿)
|
0.128±0.004 | 0.142±0.004 |
|
R✶
(R⦿)
|
0.166±0.003 | 0.175±0.026 |
|
log g
(log10(cm/s2))
|
5.105±0.002 | 5.10±0.13 |
|
Teff
(K)
|
3903±7 | --- |
|
L✶
(log10(L⦿))
|
-2+0-0
|
--- |
- RA
- 12h44m20.25s
- Dec
- -08d40m17.09s
- Distance
- 171.7010±2.5225 pc
- Parallax
- 5.7971700±0.0849057 mas
- Ecliptic Latitude
- -3.59632 deg
- Ecliptic Longitude
- 193.57643 deg
- Galactic Latitude
- 54.159 deg
- Galactic Longitude
- 299.9341 deg
- Total Proper Motion
- 18.0617024±0.1272753 mas/yr
- Proper Motion (RA)
- 8.969420±0.175032 mas/yr
- Proper Motion (Dec)
- -15.677200±0.107113 mas/yr
- Photometry
-
mV10.50±0.03
-
mTESS10.9222±0.0251
-
mJ10.974±0.027
-
mH11.093±0.022
-
mKs11.122±0.023
-
mKep10.763
-
mW111.403±0.024
-
mW211.463±0.022
-
mW311.311±0.183
-
mW48.934
-
mGaia10.609800±0.005828
-
mB10.385±0.049
-
Mission
- K2 : Observed in Campaign 10
| Source |
Esmer et al. 2021 |
Gaia DR2 |
Beuermann et al. 2012 |
Lee et al. 2009 |
|---|---|---|---|---|
|
M✶
(M⦿)
|
0.413±0.008 | --- | 0.485±0.013 | 0.485±0.013 |
|
R✶
(R⦿)
|
0.175±0.002 | --- | --- | 0.183±0.026 |
|
log g
(log10(cm/s2))
|
5.570±0.003 | --- | --- | 5.60±0.12 |
|
Teff
(K)
|
28500 |
8868.667+724.333-905.417
|
--- | --- |
|
L✶
(log10(L⦿))
|
1.26+0.01-0.01
|
--- | --- | --- |
- Status
- False Positive Planet
- Detected By
- Eclipse Timing Variations
- Tools
| Source |
Lee et al. 2009 |
Esmer et al. 2021 |
Beuermann et al. 2012 |
|---|---|---|---|
|
Tp
(days)
|
2449840±63 | 2452958±68 | 2452401 |
|
ω
(deg)
|
--- | 13±5 | -18±10 |
|
Mp sin i
(M⨁)
|
2692±133 | 4415±105 | 4545±318 |
|
Mp sin i
(MJup)
|
8.47±0.42 | 13.89±0.33 | 14.3±1.0 |
|
e
|
--- | 0.27±0.02 | 0.40±0.10 |
|
i
(deg)
|
--- | --- | 80.9 |
|
P
(days)
|
3320±80 | 4958±30 | 4640±70 |
|
a
(au)
|
3.62±0.52 | 4.56±0.16 | 4.69±0.06 |
- Status
- False Positive Planet
- Detected By
- Eclipse Timing Variations
- Tools
| Source |
Lee et al. 2009 |
Esmer et al. 2021 |
|---|---|---|
|
Tp
(days)
|
2454500±39 | 2444369±305 |
|
ω
(deg)
|
--- | 0±2 |
|
Mp sin i
(M⨁)
|
6112±76 | 7819±477 |
|
Mp sin i
(MJup)
|
19.23±0.24 | 24.6±1.5 |
|
e
|
--- | 0.45±0.01 |
|
P
(days)
|
5786±51 | 11391±299 |
|
a
(au)
|
5.30±0.23 | 7.8±0.7 |
Literature Time Series
(2 File Types, 6 Files)
| File Type | Data Points | Filter | Reference |
|---|---|---|---|
| Photometric Light Curve | 210 | R (Generic) | Lee et al. 2009 |
| Photometric Light Curve | 1477 | V (Generic) | Lee et al. 2009 |
| Photometric Light Curve | 210 | V (Generic) | Lee et al. 2009 |
| Photometric Light Curve | 88 | Hp (Hipparcos) | Hipparcos and Tycho Catalogs |
| Radial Velocity Curve | 28 | Optical Spectra | Wood & Saffer 1999 |
| Radial Velocity Curve | 27 | Optical Spectra | Hilditch et al. 1996 |
-
Revisiting the analysis of HW Virginis eclipse timing data. I. A frequentist data modeling approach and a dynamical stability analysis
Esmer et al. 2021 | Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 | Reference Overview -
Gaia Data Release 2
Gaia DR2 | Reference Overview -
The K2 Ecliptic Plane Input Catalog (EPIC) and Stellar Classifications of 138,600 Targets in Campaigns 1-8
EPIC Catalog | Reference Overview -
All WISE Data Release
Cutri et al. 2014 | Reference Overview -
A dynamical analysis of the proposed circumbinary HW Virginis planetary system
Horner et al. 2012 | Reference Overview -
The quest for companions to post-common envelope binaries. III. A reexamination of HW Virginis
Beuermann et al. 2012 | Reference Overview -
The sdB+M Eclipsing System HW Virginis and its Circumbinary Planets
Lee et al. 2009 | Reference Overview -
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog | Reference Overview -
The Tycho-2 catalog of the 2.5 million brightest stars
The Tycho-2 Catalog | Reference Overview -
Spectroscopy of the post-common envelope binary HW Virginis
Wood & Saffer 1999 | Reference Overview -
The Hipparcos and Tycho Catalogs
Hipparcos and Tycho Catalogs | Reference Overview -
On the reflection effect in three sdOB binary stars.
Hilditch et al. 1996 | Reference Overview
- System
- Star
- Confirmed
- Candidate
- False Positive Planet
- Controversial
- False Positive
- Aliases
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- Transit Prediction Service
- Time Series
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