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K2-270 Overview

  • Star: K2-270
    • Stellar Radius: 0.77 Solar Radius
    • Stellar Effective Temperature: 4877.00 K
    • Planet: K2-270 b
      • Disposition Confirmed
      • Planet Radius 0.123 Jupiter Radius
    • Planet: K2-270 c
      • Disposition Confirmed
      • Planet Radius 0.263 Jupiter Radius

K2-270 Architecture & Discovery Information

Name Orbital Separation Planet Size Method Year Reference Disposition
K2-270
K2-270 b 1.54 d 1.38 R⨁ Transit 2018 Livingston et al. 2018 Confirmed Planet
K2-270 c 4.4 d 2.95 R⨁ Transit 2018 Livingston et al. 2018 Confirmed Planet
K2-270
RA
08h45m03.97s
Dec
+13d32m59.04s
Distance
280.518+2.385-2.346
pc
Parallax
3.5361600±0.0298341 mas
Ecliptic Latitude
-4.34206 deg
Ecliptic Longitude
130.01584 deg
Galactic Latitude
31.22796 deg
Galactic Longitude
213.091 deg
Total Proper Motion
25.6696430±0.0342402 mas/yr
Proper Motion (RA)
-11.8205000±0.0473231 mas/yr
Proper Motion (Dec)
-22.7861000±0.0297528 mas/yr
Photometry
mV 13.847±0.092
mTESS 12.8344±0.0062
mJ 11.968±0.023
mH 11.462±0.019
mKs 11.368±0.021
mKep 13.431
mW1 11.292±0.022
mW2 11.376±0.021
mW3 11.488±0.202
mW4 8.731
mGaia 13.47010±0.00062
mB 14.824±0.041
mg 15.1251000±0.0052321
mi 13.3068000±0.0016247
mr 13.5620000±0.0024992
mu 16.6905000±0.0081678
mz 13.412500±0.005104
Mission
K2: Observed in Campaigns 5, 16, 18
Tools
Planetary Systems
ExoFOP Target Overview Page
IRSA Finding Chart
K2 Names
K2 Planets and Candidates
K2 Targets
Stellar Hosts
K2 Time Series
Source TICv8 Livingston et al. 2018 Gaia DR2 Kruse et al. 2019 Kruse et al. 2019 Yu et al. 2018 Petigura et al. 2018 Petigura et al. 2018 Barros et al. 2016 Pope et al. 2016
Teff
(K)
4712.910+111.330-119.312
 4877±58
4882.55+208.20-155.38
 --- --- 4810±30 --- --- --- ---
Metallicity
(dex)
0.2297190±0.0560759 [M/H] 0.26±0.06 [Fe/H] --- --- --- --- --- --- --- ---
M✶
(M⦿)
0.7540000+0.1068670-0.0731314
 0.85±0.02 --- --- --- --- --- --- --- ---
R✶
(R⦿)
0.8260010+0.0602131-0.0518573
 0.77±0.01
0.73489785+0.04910540-0.05888210
0.735 +0.059-0.049
0.735 +0.059-0.049
0.772±0.006 0.82 0.82 --- ---
log g
(log10(cm/s2))
4.4814800+0.0822106-0.0997702
 4.59±0.01 --- --- --- 4.594±0.010 --- --- --- ---
L✶
(log10(L⦿))
-0.5181870+0.0229112-0.0138494
 ---
-0.55826463+0.00881579-0.00899845
 --- --- --- --- --- --- ---
ρ✶
(g/cm3)
1.8862348+0.6271203-0.3990288
 --- --- --- --- --- --- --- --- ---
Print
Status
Confirmed Planet
Detected By
Transit
Tools
Planetary Systems
Transit Prediction Service
K2 Names
K2 Planets and Candidates
Transit
Source Livingston et al. 2018 Kruse et al. 2019 Petigura et al. 2018
a/R✶
6.04+0.88-1.47
6.3 +2.1-1.0
---
P
(days)
1.543069+0.000189-0.000185
1.543452 +0.000091-0.000089
1.543041 +0.000177-0.000175
Rp
(R⨁)
1.38±0.11
1.30 +0.14-0.21
1.5 +0.3-0.1
Rp
(RJup)
0.123±0.010
0.12 +0.012-0.019
0.13 +0.03-0.01
Rp/R✶
0.0164+0.0016-0.0011
0.0163 +0.0011-0.0024
0.0169 +0.0028-0.0014
δ
(%)
---
0.0286 +0.0015-0.0016
---
T14
(hours)
---
1.64400+0.09600-0.13200
1.75920+0.16080-0.18000
TC
(days)
2457142.41998+0.00446-0.00465
(BJD)
2457140.8716 +0.0026-0.0027
(BJD)
2457142.42108 +0.004199-0.004342
(BJD)
b
0.42+0.33-0.29
 ---
0.51 +0.33-0.35
Teq
(K)
1203±17 --- ---
a
(au)
0.0247±0.0002 --- ---
Print
Status
Confirmed Planet
Detected By
Transit
Tools
Planetary Systems
Transit Prediction Service
K2 Names
K2 Planets and Candidates
Transit
Source Livingston et al. 2018 Kruse et al. 2019 Yu et al. 2018 Petigura et al. 2018 Barros et al. 2016 Pope et al. 2016
P
(days)
4.400028+0.000169-0.000178
4.399739 +0.000070-0.000072
4.399871
4.400037 +0.000168-0.000164
4.39883617 4.4
δ
(%)
---
0.1682 +0.0041-0.0039
0.1076 --- 0.132±0.006 0.1297
T14
(hours)
---
1.69200+0.07200-0.12480
 1.27680
1.56000+0.06960-0.06000
1.98000+0.14800-0.14800
 1.45608
TC
(days)
2457142.97510+0.00166-0.00167
(BJD)
2457142.9791 +0.00071-0.00068
(BJD)
2458097.73662
(BJD)
2457142.97518 +0.001546-0.001620
(BJD)
2457142.986278
(BJD)
2457142.979
(BJD)
a/R✶
20.94+1.75-4.30
18.4 +5.9-2.3
--- --- --- ---
Rp
(R⨁)
2.95±0.16
3.01 +0.34-0.66
2.8
3.3 +0.5-0.2
--- ---
Rp
(RJup)
0.263±0.014
0.269 +0.030-0.059
 .25
0.29 +0.04-0.02
--- ---
Rp/R✶
0.0350+0.0024-0.0012
0.0375 +0.0030-0.0079
---
0.0368 +0.0052-0.0020
--- 0.036012
Teq
(K)
848±12 --- --- --- --- ---
b
0.38+0.31-0.26
 --- ---
0.48 +0.30-0.32
--- 0
a
(au)
0.0497±0.0004 --- --- --- --- ---
Print
Known Objects
2 Confirmed Planets
3 K2 Targets
3 2MASS Point Source Catalog
Data Files
2 K2 Time Series
2 Associated Literature Data
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  • Candidate
  • False Positive Planet
  • Controversial
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  • Aliases
  • Data Access
  • Transit Prediction Service
  • Time Series
  • Kepler | K2
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