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nu Oct Overview

  • Star: nu Oct B
  • Star: nu Oct A
    • Stellar Radius: 5.81 Solar Radius
    • Stellar Effective Temperature: 4860.00 K
    • Planet: nu Oct A b
      • Disposition Confirmed

nu Oct Architecture & Discovery Information

Name Orbital Separation Planet Size Method Year Reference Disposition
nu Oct B
nu Oct A
nu Oct A b 402.4 d 696.04 M⨁ Radial Velocity 2016 Ramm et al. 2016 Confirmed Planet
nu Oct B
  • Stellar mass value/uncertainties estimated from range 0.5-0.6 solar masses. (Ramm et al. 2021)
nu Oct A nu Oct A b
  • Planet mass, RV semi-amplitude, semi-major axis, orbital period, and orbital eccentricity are calculated from range provided in ref. (Ramm et al. 2021)
RA
---
Dec
---
Distance
---
Parallax
---
Ecliptic Latitude
---
Ecliptic Longitude
---
Galactic Latitude
---
Galactic Longitude
---
Total Proper Motion
---
Proper Motion (RA)
---
Proper Motion (Dec)
---
Photometry
mV ---
mTESS ---
mJ ---
mH ---
mKs ---
mW1 ---
mW2 ---
mW3 ---
mW4 ---
mIc ---
mGaia ---
mB ---
Tools
Planetary Systems
Stellar Hosts
Source Cheng et al. 2025 Ramm et al. 2021 Ramm et al. 2016
M✶
(M⦿)
0.57±0.01 0.55±0.05 0.58522±0.00004
Sp. T
WD K7-MO V, or WD ---
Print
RA
21h41m28.87s
Dec
-77d23m27.91s
Distance
21.19990±1.30061 pc
Parallax
47.17±1.93 mas
Ecliptic Latitude
-57.78037 deg
Ecliptic Longitude
289.68408 deg
Galactic Latitude
-35.18844 deg
Galactic Longitude
314.28748 deg
Total Proper Motion
248.6±8.0 mas/yr
Proper Motion (RA)
65.0±8.0 mas/yr
Proper Motion (Dec)
-240.0±8.0 mas/yr
Photometry
mV 3.73±0.03
mTESS 2.8426±1.7540
mJ 2.014±0.274
mH 1.536±0.238
mKs 1.458±0.306
mW1 -1.046
mW2 -0.531
mW3 1.507±0.018
mW4 1.415±0.018
mIc 2.770
mGaia 3.4416200±0.0044681
mB 4.746±0.017
Tools
Planetary Systems
ExoFOP Target Overview Page
IRSA Finding Chart
Stellar Hosts
Source Cheng et al. 2025 Ramm et al. 2021 Ramm et al. 2016 Turnbull 2015 Gray et al. 2006 Michigan Catalog, Vol. 1 Cannon & Pickering 1918
Teff
(K)
4910+21-30
 4860±40 4860±40 4769 --- --- ---
Metallicity
(dex)
--- --- 0.18±0.04 [Fe/H] --- --- --- ---
v sin i
(km/s)
--- 2.0±0.5 2.0 --- --- --- ---
Age
(Gyr)
2.70±0.35
2.8+0.2-0.3
2.8+0.2-0.3
 --- --- --- ---
M✶
(M⦿)
1.57±0.06 1.61±0.15 1.61 2.10 --- --- ---
R✶
(R⦿)
5.04±0.10 5.81±0.12 5.81±0.12 6.19 --- --- ---
log g
(log10(cm/s2))
3.23+0.02-0.03
 --- 3.12±0.10 --- --- --- ---
Sp. T
K1 IV K1 IIIb-IV K0 III K0III K1 III K0 III K0
L✶
(log10(L⦿))
1.121+0.010-0.010
 1.2 --- 1.253±0.004 --- --- ---
Prot
(days)
--- 140±35 --- --- --- --- ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Planetary Systems
Source Cheng et al. 2025 Ramm et al. 2021 Ramm et al. 2016
ω
(deg)
100+32-15
 ---
350+8-25
Mp
(M⨁)
696±35
763+64-95
 671±6
Mp
(MJup)
2.19±0.11
2.4+0.2-0.3
 2.11±0.02
e
0.195+0.050-0.037
 0.11±0.02
0.0860+0.0430-0.0360
i
(deg)
108.20 ---
112.5+2.4-1.5
P
(days)
402.4+7.7-6.0
417+1-2
414.8+3.6-2.6
K
(m/s)
42.7+2.6-1.6
43+2-3
38.74+0.90-1.20
a
(au)
1.24±0.02 1.25±0.05
1.276+0.007-0.005
Print
Literature Time Series (1 File Type, 1 File)
File Type Data Points Filter Reference
Photometric Light Curve     139 Hp (Hipparcos) Hipparcos and Tycho Catalogs
Known Objects
1 Confirmed Planets
1 2MASS Point Source Catalog
Data Files
1 Associated Literature Data
Known Objects
1 Confirmed Planets
1 2MASS Point Source Catalog
Data Files
1 Associated Literature Data
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  • Candidate
  • False Positive Planet
  • Controversial
  • False Positive
  • Aliases
  • Data Access
  • Transit Prediction Service
  • Time Series
  • Kepler | K2
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