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Qatar-4 Overview

Qatar-4 0.85 R⦿ 4953.71 K
Qatar-4 b
1.135 RJup
Architecture
Qatar-4
Qatar-4
Qatar-4 b
Other Data
Bibliography 10
Nearby Data 4
Discovery Data
Host Planet Method Year Reference Disposition
Qatar-4 Qatar-4 b Transit 2017 Alsubai et al. 2017 Confirmed Planet
RA
00h19m26.23s
Dec
+44d01m39.35s
Distance
329.036+2.891-2.843
pc
Parallax
3.0105100±0.0262814 mas
Ecliptic Latitude
37.83774 deg
Ecliptic Longitude
24.88202 deg
Galactic Latitude
-18.46753 deg
Galactic Longitude
116.87585 deg
Total Proper Motion
8.9208096±0.0174922 mas/yr
Proper Motion (RA)
0.98511700±0.03127910 mas/yr
Proper Motion (Dec)
-8.8662500±0.0172533 mas/yr
Photometry
mV
13.574±0.103
mTESS
12.8416±0.0070
mJ
12.03±0.02
mH
11.631±0.021
mKs
11.519±0.020
mW1
11.446±0.022
mW2
11.503±0.020
mW3
11.186±0.111
mW4
8.756
mGaia
13.411400±0.000719
mB
14.559±0.131
Tools
ExoFOP Target Overview Page
IRSA Finding Chart
TOI
Stellar Hosts
Source TICv8 Gaia DR2 Alsubai et al. 2017 ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
Teff
(K)
5090.000+114.934-140.551
4953.710+112.232-63.710
 5215±50 5090.0±127.7
L✶
(log10(L⦿))
-0.3902371+0.0154595-0.0150927
-0.40245287+0.00941662-0.00962532
-0.318+0.064-0.075
 ---
R✶
(R⦿)
0.8205380+0.0493869-0.0545276
0.8542108+0.0224033-0.0374296
 0.849±0.063 0.820537984371185±0.051957200000000
Metallicity
(dex)
--- --- 0.103±0.081 [Fe/H] ---
γ
(km/s)
--- --- -28.76±0.10 ---
v sin i
(km/s)
--- --- 7.1±0.5 ---
Age
(Gyr)
--- --- 0.170±0.010 ---
ρ✶
(g/cm3)
2.1691446+0.4864634-0.5905776
 --- 2.070±0.038 ---
M✶
(M⦿)
0.850000+0.108090-0.100594
 --- 0.896±0.048 ---
log g
(log10(cm/s2))
4.5392900+0.0785057-0.0953957
 --- 4.533±0.058 4.54±0.09
Sp. T
--- --- K1 V ---
Prot
(days)
--- --- 6.05 ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Tools
Transit Prediction Service
TOI
Transit
Source Alsubai et al. 2017 Kokori et al. 2023 Ivshina & Winn 2022 Kokori et al. 2022 Mallonn et al. 2019 ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
P
(days)
1.8053564 1.80536403±0.00000054 1.8053663±0.0000015 1.8053646±0.0000006 1.8053704±0.0000042 1.80537598367945±0.00005444755500
TC
(days)
2457637.77361±0.00046 2458919.58363±0.00015 2457762.34410±0.00026 2458767.93317±0.00014 2457872.47170±0.00046 2459854.76235600±0.00049332
a/R✶
7.11±0.48 7.1±0.5 --- --- --- ---
i
(deg)
87.5±1.6 87.5±1.6 --- --- --- ---
Rp/R✶
0.1379±0.0030 0.138±0.003 --- --- --- ---
Teq
(K)
1385±48 --- --- --- --- 1226.81093026069
b
0.31±0.19 --- --- --- --- ---
S
(S⨁)
614±88 --- --- --- --- 535.342285152919
Mp
(M⨁)
1939±172 --- --- --- --- ---
Mp
(MJup)
6.10±0.54 --- --- --- --- ---
e
0 --- --- --- --- ---
ρ
(g/cm3)
5.10±1.00 --- --- --- --- ---
Rp
(R⨁)
12.72±1.23 --- --- --- --- 12.0157766266376±0.8062135600000
Rp
(RJup)
1.135±0.110 --- --- --- --- 1.07197763545419±0.07192568009328
K
(m/s)
1087±88 --- --- --- --- ---
a
(au)
0.02803±0.00048 --- --- --- --- ---
δ
(%)
1.902±0.083 --- --- --- --- 2.16803724997718±0.03370571300000
T14
(hours)
2.14±0.05 --- --- --- --- 2.07902486976053±0.04597241800000
Print
Known Objects
1 Confirmed Planets
2 2MASS Point Source Catalog
Data Files
1 SuperWASP Time Series
1 Associated Literature Data
System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive
Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2
External Link
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