HD 207897 Overview

HD 207897 0.76 R⦿ 5132.00 K
HD 207897 b
Architecture
HD 207897
HD 207897
HD 207897 b
Other Data
Bibliography 11
Nearby Data 4
Discovery Data
Host Planet Method Year Reference Disposition
HD 207897 HD 207897 b Transit 2021 Heidari et al. 2021 Confirmed Planet
RA
21h40m48.39s
Dec
+84d20m01.54s
Distance
28.2938±0.0312 pc
Parallax
35.3146000±0.0386907 mas
Ecliptic Latitude
69.29488 deg
Ecliptic Longitude
76.7432 deg
Galactic Latitude
23.23912 deg
Galactic Longitude
118.37663 deg
Total Proper Motion
350.8880129±0.0672542 mas/yr
Proper Motion (RA)
345.1780000±0.0671537 mas/yr
Proper Motion (Dec)
63.0440000±0.0701998 mas/yr
Photometry
mV
8.37±0.03
mTESS
7.5825±0.0060
mJ
6.830±0.023
mH
6.391±0.034
mKs
6.312±0.026
mGaia
8.130370±0.000357
mB
9.264±0.026
Source Heidari et al. 2021 TICv8 Turnbull 2015 Wright et al. 2004 Cannon & Pickering 1918 ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
S Index
--- --- --- 0.251±0.033 --- ---
CAII LOG RHK
-4.83±0.10 --- --- -4.79 --- ---
Teff
(K)
5070+60-57
5071.000+158.714-123.939
5132 --- --- 5071±141.3
L
(log10(L⦿))
-0.444+0.022-0.017
-0.4403654+0.0143488-0.0103744
-0.444 +0.067-0.079
--- --- ---
M
(M⦿)
0.800+0.036-0.030
0.850000+0.105276-0.105328
0.77 --- --- ---
R
(R⦿)
0.779+0.019-0.018
0.7803380+0.0631844-0.0437955
0.76 --- --- 0.780338±0.0534899
Sp. T
K0 V --- K0 --- K0 ---
Metallicity
(dex)
-0.042+0.038-0.041
[Fe/H]
-0.070±0.100 [M/H] --- --- --- ---
v sin i
(km/s)
<2 --- --- --- --- ---
Age
(Gyr)
7.10±4.50 --- --- --- --- ---
ρ
(g/cm3)
2.39+0.19-0.18
2.521954+0.661681-0.710644
--- --- --- ---
log g
(log10(cm/s2))
4.559+0.026-0.025
4.5829200+0.0854353-0.1017840
--- --- --- 4.58±0.09
Prot
(days)
37±7 --- --- --- --- ---
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Source Heidari et al. 2021 ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
a/R
32.13+0.85-0.82
---
Tp
(days)
2458917.0+4.5-5.4
---
Teq
(K)
632.2+8.1-7.0
573.557960210773
b
0.709+0.043-0.042
---
S
(S)
26.5+1.4-1.2
25.5758601178666
ω
(deg)
-100±110 ---
Mp
(M)
14.4±1.6 ---
Mp
(MJup)
0.0453±0.0050 ---
Mp sin i
(M)
14.4±1.6 ---
Mp sin i
(MJup)
0.0453±0.0050 ---
e
0.0470+0.0570-0.0330
---
i
(deg)
88.757±0.067 ---
P
(days)
16.202159+0.000085-0.000083
16.2021664421116±0.00008154311
ρ
(g/cm3)
5.05+0.77-0.69
---
Rp
(R)
2.501+0.082-0.078
2.3707063693565±0.44381812
Rp
(RJup)
0.2231+0.0073-0.0070
---
Rp/R
0.02943+0.00049-0.00046
---
K
(m/s)
4.24+0.45-0.46
---
a
(au)
0.1163+0.0017-0.0015
---
δ
(%)
0.0866+0.0029-0.0027
0.0913715131±0.0021073359
T14
(hours)
2.911+0.034-0.031
2.85362920806961±0.12857623
TC
(days)
2458926.10942+0.00047-0.00048
2458796.492928±0.0006756742
Literature Stellar Spectra (1 File)
File Type Spectrum Type Wavelength Category Reference
Spectra     echelle grating Optical California Planet Search
Literature Time Series (1 File Type, 1 File)
File Type Data Points Filter Reference
Photometric Light Curve     133 Hp (Hipparcos) Hipparcos and Tycho Catalogs
Known Objects
1 Confirmed Planets
3 2MASS Point Source Catalog
Data Files
1 Associated Literature Data
System
Star
Confirmed
Candidate
Refuted
Controversial
False Positive
Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2
External Link
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