BD+20 274 Overview

BD+20 274 17.30 R⦿ 4296.00 K
BD+20 274 b
Architecture
BD+20 274
BD+20 274
BD+20 274 b
Discovery Data
Host Planet Orbital Separation Planet Size Method Year Reference Disposition
BD+20 274 BD+20 274 b 578.2 d > 1334.89 M Radial Velocity 2012 Gettel et al. 2012 Confirmed Planet
RA
01h43m40.88s
Dec
+21d00m18.97s
Distance
1322.510±80.535 pc
Parallax
0.7226190±0.0452429 mas
Ecliptic Latitude
9.58745 deg
Ecliptic Longitude
31.61777 deg
Galactic Latitude
-40.23345 deg
Galactic Longitude
138.9742 deg
Total Proper Motion
3.7882796±0.0863013 mas/yr
Proper Motion (RA)
0.191228±0.102145 mas/yr
Proper Motion (Dec)
-3.7834500±0.0862571 mas/yr
Photometry
mV
9.367±0.008
mTESS
8.1716±0.0065
mJ
7.003±0.019
mH
6.337±0.020
mKs
6.169±0.027
mW1
6.107±0.094
mW2
6.141±0.035
mW3
6.106±0.015
mW4
5.991±0.043
mGaia
8.916130±0.000468
mB
10.720±0.061
mg
10.186300±0.000424
mi
8.4922800±0.0005281
mr
8.941711±0.000370
mu
14.3374000±0.0042651
mz
8.9044000±0.0010266
Abundances
(Hypatia Catalog)
[Fe/H] -0.51±0.04 dex
[O/H] -0.35±0.09 dex
[Mg/H] -0.34±0.07 dex
[Al/H] -0.42±0.06 dex
[Ca/H] -0.54±0.06 dex
Source TICv8 Gaia DR2 Mortier et al. 2013 Gettel et al. 2012
Teff
(K)
4296.0±10.0
4322.6504+368.9630-102.1500
4391±79 4296±10
L
(log10(L⦿))
---
2.7301151+0.0367723-0.0401763
--- 1.96±0.18
Metallicity
(dex)
-0.46±0.05 [M/H] --- -0.32±0.04 [Fe/H] -0.46±0.07 [Fe/H]
v sin i
(km/s)
--- --- --- 2.0±1.5
M
(M⦿)
--- --- 1.17±0.23 0.8±0.2
R
(R⦿)
43.4104
41.324722+2.024610-6.244220
--- 17.3±0.9
log g
(log10(cm/s2))
--- --- 2.03±0.21 1.99±0.05
Sp. T
--- --- --- K5 III
γ
(km/s)
--- 8.386571016044059±0.380043128750064 --- ---
Status
Confirmed Planet
Detected By
Radial Velocity
Source Gettel et al. 2012
Tp
(days)
2453921.0±33.2
(JD)
ω
(deg)
108.5±38.1
Mp sin i
(M)
1335
Mp sin i
(MJup)
4.2
e
0.21±0.06
P
(days)
578.2±5.4
K
(m/s)
121.4±6.4
a
(au)
1.3
Known Objects
1 Confirmed Planets
1 2MASS Point Source Catalog
Data Files
4 KELT Time Series
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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