HIP 56998 Overview

HIP 56998 0.63 R⦿ 4633.87 K
HD 101581 b
0.085 RJup
HD 101581 c
0.088 RJup
TOI-6276.03
0.092 RJup
Architecture
HIP 56998
HIP 56998
HD 101581 b
HD 101581 c
TOI-6276.03
Other Data
Bibliography 18
Nearby Data 6
Discovery Data
Host Planet Method Year Reference Disposition
HIP 56998 HD 101581 b Transit 2025 Kunimoto et al. 2025 Confirmed Planet
HIP 56998 HD 101581 c Transit 2025 Kunimoto et al. 2025 Confirmed Planet
HIP 56998 TOI-6276.03 Transit 2024 TESS Project Candidate Planet
RA
11h41m01.51s
Dec
-44d24m14.93s
Distance
12.7781±0.0114 pc
Parallax
78.2299000±0.0693702 mas
Ecliptic Latitude
-41.71896 deg
Ecliptic Longitude
197.46973 deg
Galactic Latitude
16.67814 deg
Galactic Longitude
289.89696 deg
Total Proper Motion
703.291327±0.222167 mas/yr
Proper Motion (RA)
-660.418000±0.232709 mas/yr
Proper Motion (Dec)
241.799000±0.116563 mas/yr
Photometry
mV
7.77±0.03
mTESS
6.7213±0.0060
mJ
5.792±0.021
mH
5.273±0.075
mKs
5.101±0.016
mIc
---
mGaia
7.383990±0.000281
mB
8.865±0.020
Abundances
(Hypatia Catalog)
[Fe/H] -0.51±0.12 dex
[C/H] -0.40±0.09 dex
[Na/H] -0.32±0.06 dex
[Mg/H] -0.41±0.04 dex
[Al/H] -0.31±0.06 dex
[Si/H] -0.43±0.10 dex
[Ca/H] -0.37±0.20 dex
[BaII/H] -0.43±0.15 dex
Source Kunimoto et al. 2025 TICv8 Turnbull 2015 Sousa et al. 2008 Takeda et al. 2007 Gray et al. 2006 Nordstrom et al. 2004 Michigan Catalog, Vol. 2 Cannon & Pickering 1918 ExoFOP-TESS TOI ExoFOP-TESS TOI ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
Teff
(K)
4675±53
4633.870+113.619-172.957
4650 4738±57 --- --- --- --- --- 4633.870±143.288 4633.870±143.288 4633.870±143.288
L
(log10(L⦿))
---
-0.7818635+0.0242926-0.0167148
-0.796 +0.211-0.426
-0.845+0.029-0.031
--- --- --- --- --- --- --- ---
Metallicity
(dex)
-0.343±0.059 [Fe/H] -0.505455±0.027136 [M/H] --- -0.52±0.03 [Fe/H] --- --- --- --- --- --- --- ---
ρ
(g/cm3)
---
4.158128+1.482179-1.170208
--- --- --- --- --- --- --- --- --- ---
M
(M⦿)
0.653±0.028
0.7400000+0.0991818-0.0744500
0.67 0.682
0.667+0.010-0.014
--- --- --- --- --- --- ---
R
(R⦿)
0.630±0.027
0.6307150+0.0647121-0.0425844
0.65 --- 0.65±0.02 --- --- --- --- 0.630715012550354±0.053648200000000 0.630715012550354±0.053648200000000 0.630715012550354±0.053648200000000
log g
(log10(cm/s2))
4.654±0.057
4.707630+0.107060-0.103692
4.66 4.46±0.15 4.66±0.02 --- --- --- --- 4.707630±0.105376 4.707630±0.105376 4.707630±0.105376
v sin i
(km/s)
2.47±0.30 --- --- --- --- --- 2 --- --- --- --- ---
Age
(Gyr)
6.880±4.270 --- --- --- <0.64 --- --- --- --- --- --- ---
Sp. T
--- --- K4/5V --- --- K4.5 V (k) --- K4/5 V K5 --- --- ---
γ
(km/s)
--- --- --- --- --- --- 12.9±0.1 --- --- --- --- ---
Status
Confirmed Planet
Detected By
Transit
Source Kunimoto et al. 2025 ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
Teq
(K)
834±23 740.980710535205
b
0.616+0.036-0.079
---
S
(S)
80+9-8
71.244051912514
i
(deg)
87.78+0.27-0.20
---
P
(days)
4.46569+0.00029-0.00032
4.46534709871303±0.00070410635000
Rp
(R)
0.9560+0.0610-0.0630
0.885684603080662±0.468454630000000
Rp
(RJup)
0.08529+0.00544-0.00562
0.0790156238810066±0.0417927947721419
Rp/R
0.0139±0.0006 ---
a
(au)
0.0460±0.0007 ---
T14
(hours)
1.77+0.13-0.12
1.56914862167412±0.11201358000000
TC
(days)
2460014.8496+0.0028-0.0023
2460014.84682200±0.00213723
δ
(%)
--- 0.0186760672664854±0.0025131464000000
Status
Confirmed Planet
Detected By
Transit
Source Kunimoto et al. 2025 ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
Teq
(K)
747+21-20
663.927085206015
b
0.713+0.032-0.057
---
S
(S)
52+6-5
45.9200705607039
i
(deg)
87.93+0.19-0.15
---
P
(days)
6.20401+0.00054-0.00044
6.20747203169486±0.00098194520000
Rp
(R)
0.990±0.070 0.955851376202058±0.836262350000000
Rp
(RJup)
0.0883±0.0062 0.0852754948718984±0.0746064581947224
Rp/R
0.0144+0.0007-0.0008
---
a
(au)
0.0573±0.0009 ---
T14
(hours)
1.76+0.15-0.12
1.55874039995771±0.15797926000000
TC
(days)
2460017.1140+0.0023-0.0024
2460017.10805600±0.00167194
δ
(%)
--- 0.0230904139734345±0.0028900988000000
Status
Candidate Planet
Detected By
Transit
Source ExoFOP-TESS TOI
Teq
(K)
613.410401833458
S
(S)
33.4599699472136
P
(days)
7.87086605309432±0.00076534210000
Rp
(R)
1.031487413588±0.424198100000
Rp
(RJup)
0.09202330177872±0.03784448482457
δ
(%)
0.0190794735305962±0.0020730343000000
T14
(hours)
1.63558979885999±0.44432890000000
TC
(days)
2460018.57244800±0.00291797
Literature Time Series (1 File Type, 1 File)
File Type Data Points Filter Reference
Photometric Light Curve     109 Hp (Hipparcos) Hipparcos and Tycho Catalogs
Known Objects
2 Confirmed Planets
2 2MASS Point Source Catalog
Data Files
4 KELT Time Series
1 SuperWASP Time Series
2 Associated Literature Data
System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive
Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2
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