BD-00 4475 Overview

BD-00 4475 0.84 R_⦿ 5141.97 K

BD-00 4475 b

Overview Notes 1 Parameters Ancillary 1 Nearby Data Bibliography 7 Legend Expand All

BD-00 4475 Architecture & Discovery Information

Name	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
BD-00 4475
BD-00 4475 b	723.2 d	> 7961.6 M_⨁	Radial Velocity	2021	Dalal et al. 2021	False Positive Planet

Exoplanet Archive Notes (1)

BD-00 4475 b

Confirmed planet demoted after planet mass revised >30 MJup in ref. (Gaia Collaboration et al. 2023)

BD-00 4475 Stellar Parameters (2 Solutions)

RA: 23h10m50.60s

Dec: +00d24m30.82s

Distance: 42.6402+0.1816-0.1801
pc

Parallax: 23.4239000±0.0987138 mas

Ecliptic Latitude: 5.23294 deg

Ecliptic Longitude: 348.85386 deg

Galactic Latitude: -53.35536 deg

Galactic Longitude: 77.53408 deg

Total Proper Motion: 273.712467±0.127797 mas/yr

Proper Motion (RA): -27.74150±0.19364 mas/yr

Proper Motion (Dec): -272.303000±0.126935 mas/yr

Photometry: m_V
9.01±0.03; m_TESS
8.2452±0.0060; m_J
7.483±0.023; m_H
7.136±0.020; m_Ks
6.996±0.026; m_Kep
8.809; m_W1
6.867±0.062; m_W2
7.001±0.020; m_W3
6.985±0.018; m_W4
6.977±0.093; m_Gaia
8.781010±0.000253; m_B
9.9140±0.1680

Mission: K2 : Observed in Campaign 12

Tools: Planetary Systems; ExoFOP Target Overview Page; IRSA Finding Chart; K2 Targets; K2 Time Series

Source	Dalal et al. 2021	TICv8
T_eff (K)	5040±112	5141.9700+118.5320-93.7094
L_✶ (log₁₀(L_⦿))	---	-0.3499655+0.0097107-0.0106809
Metallicity (dex)	-0.14±0.06 [Fe/H]	0.019±0.025 [M/H]
ρ_✶ (g/cm³)	---	2.053299+0.595447-0.319547
M_✶ (M_⦿)	0.810±0.097	0.870000+0.109962-0.106348
R_✶ (R_⦿)	---	0.8421910+0.0423819-0.0438342
log g (log₁₀(cm/s²))	4.25±0.22	4.5267700+0.1016640-0.0561069
γ (km/s)	23.58±0.03	---
v sin i (km/s)	3.0±1.0	---
Sp. T	G0	---

BD-00 4475 b Planetary Parameters (2 Solutions)

Status: False Positive Planet

Detected By: Astrometry, Radial Velocity

Tools

Source	Dalal et al. 2021	Gaia Collaboration et al. 2023
M_p (M_⨁)	---	15383±2415
M_p (M_Jup)	---	48.4±7.6
M_p sin i (M_⨁)	7962±709	7946±636
M_p sin i (M_Jup)	25.05±2.23	25±2
e	0.39±0.01	0.48±0.11
i (deg)	>13.31	129±7
P (days)	723.20±0.74	780±84
T_p (days)	2458799.64±3.47 (BJD)	---
ω (deg)	-97.550±2.460	---
K (m/s)	711.21±11.51	---
a (au)	1.48±0.11	---

Ancillary Information (1 Unique File)

+ BD-00 4475 (1 File Type, 1 File)

Literature Time Series (1 File Type, 1 File)

File Type	Data Points	Filter	Reference
Photometric Light Curve	79	Hp (Hipparcos)	Hipparcos and Tycho Catalogs

Nearby Data (within 30 arcseconds) Browse Nearby Data

Known Objects: 1 K2 Targets; 1 2MASS Point Source Catalog

Data Files: 1 K2 Time Series

Bibliography (7 References)

Gaia Data Release 3. Stellar multiplicity, a teaser for the hidden treasure
Gaia Collaboration et al. 2023 Reference Overview
The SOPHIE search for northern extrasolar planets. XVII. A wealth of new objects: Six cool Jupiters, three brown dwarfs, and 16 low-mass binary stars
Dalal et al. 2021 Reference Overview
The Revised TESS Input Catalog and Candidate Target List
TICv8 Reference Overview
The K2 Ecliptic Plane Input Catalog (EPIC) and Stellar Classifications of 138,600 Targets in Campaigns 1-8
EPIC Catalog 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
The Hipparcos and Tycho Catalogs
Hipparcos and Tycho Catalogs Reference Overview

Legend

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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Debug Info

https://vmexoweb2.ipac.caltech.edu/data/Overviews_2.0/5/BD-00_4475.json

BD-00 4475

Catalog Parameters

23h10m50.60s

Dec

dec

+00d24m30.82s

elat

5.23294

elon

348.85386

glat

-53.35536

glon

77.53408

m_V

sy_vmag

9.01±0.03

m_TESS

sy_tmag

8.2452±0.0060

m_J

sy_jmag

7.483±0.023

m_H

sy_hmag

7.136±0.020

m_Ks

sy_kmag

6.996±0.026

m_Kep

sy_kepmag

8.809

m_W1

sy_w1mag

6.867±0.062

m_W2

sy_w2mag

7.001±0.020

m_W3

sy_w3mag

6.985±0.018

m_W4

sy_w4mag

6.977±0.093

sy_icmag

no_data

m_Gaia

sy_gaiamag

8.781010±0.000253

m_B

sy_bmag

9.9140±0.1680

sy_gmag

no_data

sy_imag

no_data

sy_rmag

no_data

sy_umag

no_data

sy_zmag

no_data

sy_pm

273.712467±0.127797

μ_δ

sy_pmdec

-272.303000±0.126935

μ_α

sy_pmra

-27.74150±0.19364

sy_plx

23.4239000±0.0987138

Distance

sy_dist

42.6402+0.1816-0.1801

Set Parameters

R_✶

st_rad

0.8421910+0.0423819-0.0438342

T_eff

st_teff

5141.9700+118.5320-93.7094