2013ApJ...776...10W


Query : 2013ApJ...776...10W

2013ApJ...776...10W - Astrophys. J., 776, 10 (2013/October-2)

Planet hunters. V. A confirmed jupiter-size planet in the habitable zone and 42 planet candidates from the Kepler archive data.

WANG J., FISCHER D.A., BARCLAY T., BOYAJIAN T.S., CREPP J.R., SCHWAMB M.E., LINTOTT C., JEK K.J., SMITH A.M., PARRISH M., SCHAWINSKI K., SCHMITT J.R., GIGUERE M.J., BREWER J.M., LYNN S., SIMPSON R., HOEKSTRA A.J., JACOBS T.L., LACOURSE D., SCHWENGELER H.M., CHOPIN M. and HERSZKOWICZ R.

Abstract (from CDS):

We report the latest Planet Hunter results, including PH2 b, a Jupiter-size (RPL= 10.12±0.56 R) planet orbiting in the habitable zone of a solar-type star. PH2 b was elevated from candidate status when a series of false-positive tests yielded a 99.9% confidence level that transit events detected around the star KIC 12735740 had a planetary origin. Planet Hunter volunteers have also discovered 42 new planet candidates in the Kepler public archive data, of which 33 have at least 3 transits recorded. Most of these transit candidates have orbital periods longer than 100 days and 20 are potentially located in the habitable zones of their host stars. Nine candidates were detected with only two transit events and the prospective periods are longer than 400 days. The photometric models suggest that these objects have radii that range between those of Neptune and Jupiter. These detections nearly double the number of gas-giant planet candidates orbiting at habitable-zone distances. We conducted spectroscopic observations for nine of the brighter targets to improve the stellar parameters and we obtained adaptive optics imaging for four of the stars to search for blended background or foreground stars that could confuse our photometric modeling. We present an iterative analysis method to derive the stellar and planet properties and uncertainties by combining the available spectroscopic parameters, stellar evolution models, and transiting light curve parameters, weighted by the measurement errors. Planet Hunters is a citizen science project that crowd sources the assessment of NASA Kepler light curves. The discovery of these 43 planet candidates demonstrates the success of citizen scientists at identifying planet candidates, even in longer period orbits with only two or three transit events.

Abstract Copyright:

Journal keyword(s): planets and satellites: detection - techniques: photometric - techniques: radial velocities - techniques: spectroscopic - surveys

Errata: erratum vol. 778, art. 84 (2013)

Simbad objects: 50

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Number of rows : 50
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2023
#notes
1 * eps Eri BY* 03 32 55.8444911587 -09 27 29.739493865 5.19 4.61 3.73 3.00 2.54 K2V 1837 1
2 HD 103432 PM* 11 54 32.0677586770 +19 24 40.421649501   8.93   7.8   G6V 102 0
3 Kepler-1341 Ro* 18 42 02.8134173208 +44 09 33.703551324           ~ 26 0
4 Kepler-1651b Pl 18 54 30.7992957242 +48 23 27.663668885           ~ 14 1
5 KOI-4717 Ro* 18 54 46.4436491088 +40 01 04.879329240           ~ 22 0
6 NAME KIC 6185331 b Pl? 18 57 05.7485754945 +41 32 06.087183558           ~ 2 1
7 KOI-5205 Ro* 18 58 38.4553169592 +41 06 32.144617008           ~ 12 0
8 SPOCS 2178 * 18 58 55.079 +43 51 51.18           ~ 9 0
9 Kepler-440 Ro* 19 01 23.9947678464 +41 27 08.091212688           ~ 28 0
10 Kepler-440b Pl 19 01 23.9948484506 +41 27 08.091821601           ~ 27 0
11 KOI-1623 EB* 19 03 37.4524386456 +49 17 15.006087132           G1.5IV-V 24 0
12 Kepler-967 Ro* 19 06 13.9390957128 +38 24 19.185007248           ~ 31 0
13 KOI-5833 Ro* 19 06 21.9011403312 +48 13 12.972458388           F8V 18 0
14 Kepler-1535 Ro* 19 06 27.2871092808 +38 53 31.020199836           ~ 18 0
15 KOI-3823 Ro* 19 07 05.1463060032 +39 59 01.700806596           ~ 28 0
16 Kepler-1143 Ro* 19 09 12.6730219056 +39 17 22.859637576           ~ 25 0
17 Kepler-459 Ro* 19 09 30.7412294520 +47 46 16.154247792           ~ 19 0
18 Kepler-951 Ro* 19 10 57.0151955256 +38 06 52.492498056           ~ 24 0
19 KOI-6103 Ro* 19 11 54.1100756352 +38 44 25.030662216           ~ 15 0
20 KOI-5626 Ro* 19 13 44.5945065456 +45 31 11.396083152           ~ 17 0
21 Kepler-460 Ro* 19 13 53.9653775060 +40 39 04.818976961           F6IV 31 0
22 KOI-2691 Ro* 19 16 26.3799371136 +39 41 07.350460008           ~ 26 1
23 Kepler-1662 Ro* 19 17 21.9470227680 +46 59 17.635271604           ~ 38 1
24 Kepler-86 Ro* 19 19 03.2633425368 +51 57 45.409948812           ~ 34 1
25 Kepler-86b Pl 19 19 03.2634315985 +51 57 45.410539648           ~ 30 1
26 Kepler-976 EB* 19 19 28.7184203112 +46 43 46.971571692           ~ 20 0
27 KOI-5854 Ro* 19 21 00.2029552464 +48 33 31.280621508           ~ 16 0
28 Kepler-1318 Ro* 19 21 30.3095387136 +41 09 02.687818104           ~ 22 0
29 Kepler-1514 Ro* 19 30 30.5892070488 +37 51 36.487214028   12.48 11.77     F7V 40 0
30 Kepler-1657 Ro* 19 33 07.5831855288 +45 18 34.821403452           ~ 26 0
31 KOI-2686 Ro* 19 33 11.6024946360 +43 33 21.060498204           K3V 32 0
32 KOI-3909 Ro* 19 35 16.3886762400 +41 12 41.199204528           ~ 17 0
33 KOI-5929 Ro* 19 35 27.6624576648 +49 48 00.922451220           ~ 25 0
34 Kepler-1524 Ro* 19 35 32.4923318304 +39 31 11.304470352           ~ 22 0
35 KOI-2677 Ro* 19 39 01.8488436624 +46 49 51.968260848           ~ 26 0
36 KOI-3801 Ro* 19 40 49.6612207584 +45 05 53.450520864           ~ 25 0
37 SPOCS 2385 Ro* 19 41 40.9196106624 +45 54 12.588924168           ~ 15 0
38 Kepler-1625 Ro* 19 41 43.0400811024 +39 53 11.499004176           ~ 44 0
39 KOI-2750 Ro* 19 42 40.5945341448 +38 47 44.977343712           ~ 23 0
40 Kepler-397 Ro* 19 43 34.589592 +42 22 49.83204       16.05   ~ 30 0
41 Kepler-1475 Ro* 19 43 47.5873115928 +44 45 11.223960228           ~ 22 0
42 Kepler-396 Ro* 19 44 31.8711622728 +48 58 38.563365252   12.44 12.26     ~ 54 0
43 KOI-5632 Ro* 19 45 21.1527006504 +45 32 42.384600708           F5 20 0
44 KIC 10024862 * 19 47 12.602 +46 56 04.42           ~ 7 0
45 Kepler-458 Ro* 19 48 10.9012787496 +46 19 43.326420384           F6IV 39 0
46 Kepler-1527 EB* 19 49 39.4630568616 +46 03 38.960792892           ~ 22 0
47 KOI-3936 Ro* 19 50 18.5069207592 +40 01 39.756822960           K1.5IV 29 0
48 Kepler-64b Pl 19 52 51.6169691968 +39 57 18.370395541           ~ 49 1
49 Kepler-1545 Ro* 19 55 35.7093648360 +47 27 47.138878224           ~ 20 0
50 KOI-1411 Ro* 19 55 58.8298839240 +45 54 34.197085044           G8IV-V 30 0

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2023.01.28-12:16:18

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