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NN Ser Overview

  • Star: NN Ser
    • Stellar Effective Temperature: 57000.00 K
    • Planet: NN Ser d
      • Disposition Confirmed Controversial
    • Planet: NN Ser c
      • Disposition Confirmed Controversial
  • Star: NN Ser Ab
    • Planet: NN Ser d
      • Disposition Confirmed Controversial
    • Planet: NN Ser c
      • Disposition Confirmed Controversial

NN Ser Architecture & Discovery Information

Name Orbital Separation Planet Size Method Year Reference Disposition
NN Ser
NN Ser d 2880 d > 696.04 M⨁ Eclipse Timing Variations 2010 Beuermann et al. 2010 Confirmed Planet
NN Ser c 6987 d > 3086.11 M⨁ Eclipse Timing Variations 2010 Beuermann et al. 2010 Confirmed Planet
NN Ser Ab
NN Ser d 2880 d > 696.04 M⨁ Eclipse Timing Variations 2010 Beuermann et al. 2010 Confirmed Planet
NN Ser c 6987 d > 3086.11 M⨁ Eclipse Timing Variations 2010 Beuermann et al. 2010 Confirmed Planet
NN Ser NN Ser d NN Ser c
RA
15h52m56.09s
Dec
+12d54m43.51s
Distance
515.818+28.166-25.435
pc
Parallax
1.9166400±0.0980169 mas
Ecliptic Latitude
32.3206 deg
Ecliptic Longitude
232.60732 deg
Galactic Latitude
45.33887 deg
Galactic Longitude
23.65252 deg
Total Proper Motion
66.4600479±0.1297322 mas/yr
Proper Motion (RA)
-30.085200±0.150928 mas/yr
Proper Motion (Dec)
-59.260600±0.123682 mas/yr
Photometry
mV 16.943±0.090
mTESS 16.7986±0.0218
mJ 16.907±0.163
mH 16.254±0.204
mKs 16.168±0.286
mW1 15.881±0.049
mW2 15.775±0.133
mW3 12.529
mW4 8.963
mGaia 16.590500±0.020612
mB 16.682±0.000
mg 16.3937000±0.0042217
mi 16.8794000±0.0054707
mr 16.7027000±0.0046111
mu 16.0191000±0.0052521
mz 17.025900±0.011183
Tools
Planetary Systems
ExoFOP Target Overview Page
IRSA Finding Chart
Stellar Hosts
Source Özdönmez et al. 2023 Gaia DR2 Beuermann et al. 2010
M✶
(M⦿)
0.535 --- 0.535
Sp. T
WD --- WD
Teff
(K)
---
8565.0+1012.5-1145.0
 57000
Print
Status
Confirmed Planet
Controversial
Detected By
Eclipse Timing Variations
Tools
Planetary Systems
Source Özdönmez et al. 2023 Marsh et al. 2014 Beuermann et al. 2010
Tp
(days)
2454563±58
(BJD)
2458106±228 ---
ω
(deg)
86.68±0.60 -111±13 ---
Mp
(M⨁)
--- 731.0±158.9 724.622±120.77
Mp
(MJup)
--- 2.3±0.5 2.28±0.38
e
0.24±0.03 0.19±0.05 ---
P
(days)
2880±51 2883.5±182.5 2830±130
a
(au)
--- 3.43±0.14 3.39±0.1
Mp sin i
(M⨁)
696±156 --- ---
Mp sin i
(MJup)
2.19±0.49 --- ---
Print
Status
Confirmed Planet
Controversial
Detected By
Eclipse Timing Variations
Tools
Planetary Systems
Source Özdönmez et al. 2023 Marsh et al. 2014 Beuermann et al. 2010
Tp
(days)
2459297+157-184
(BJD)
2454016±106 ---
ω
(deg)
77.25±1.66 43±119 ---
Mp
(M⨁)
--- 2329.60±98.52 2196.11±171.621
Mp
(MJup)
--- 7.33±0.31 6.91±0.54
e
0.0890±0.0300 0.08±0.05 ---
P
(days)
6987±20 5573.55±102.2 5660±165
a
(au)
--- 5.35±0.06 5.38±0.2
Mp sin i
(M⨁)
3086±130 --- ---
Mp sin i
(MJup)
9.710±0.410 --- ---
Print
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 ---
mGaia ---
mB ---
mg ---
mi ---
mr ---
mu ---
mz ---
Tools
Planetary Systems
Stellar Hosts
Source Özdönmez et al. 2023
M✶
(M⦿)
0.111
Sp. T
M4
Print
Known Objects
2 Confirmed Planets
2 2MASS Point Source Catalog
Data Files
2 Associated Literature Data
Known Objects
2 Confirmed Planets
2 2MASS Point Source Catalog
Data Files
2 Associated Literature Data
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  • Controversial
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