UKIRT image & Skyview & LC(SAP_FLUX) & SAP_QUALITY & APO for APH00003x4 - KID 6049470

• by Martti_Holst_Kristiansen

  UKIRT image:

  

  Posted October 2, 2014 11:56 PM

• by Martti_Holst_Kristiansen

  Skyview:

  

  Valid KIDs found with MAST link: http://archive.stsci.edu/kepler/data_search/search.php?action=Search&ktc_kepler_id=6049470

  N | Cat | ID/Name | RA/Lon | Dec/Lat | X | Y

  1 | http://archive.stsci.edu/kepler/kic10/search.php | 6049470 | 293.9642| 41.3188| 200.0| 200.0

  2 | http://archive.stsci.edu/kepler/kic10/search.php | 6049492 | 293.9711| 41.3224| 77.2| 287.2

  3 | http://archive.stsci.edu/kepler/kic10/search.php | 6049499 | 293.9728| 41.3213| 46.6| 259.7

  4 | http://archive.stsci.edu/kepler/kic10/search.php | 6049477 | 293.9669| 41.3119| 151.6| 35.4

  5 | http://archive.stsci.edu/kepler/kic10/search.php | 6049447 | 293.9558| 41.3229| 351.8| 298.9

  6 | http://archive.stsci.edu/kepler/kic10/search.php | 6049502 | 293.9736| 41.3217| 32.0| 269.7

  7 | http://archive.stsci.edu/kepler/kic10/search.php | 6049481 | 293.9687| 41.3119| 120.3| 33.5

  8 | http://archive.stsci.edu/kepler/kic10/search.php | 6049453 | 293.9587| 41.3253| 299.9| 356.6

  9 | http://archive.stsci.edu/kepler/kic10/search.php | 6049442 | 293.9544| 41.3158| 377.3| 127.7

  10 | http://archive.stsci.edu/kepler/kic10/search.php | 6049444 | 293.9546| 41.3152| 372.6| 114.3

  11 | http://archive.stsci.edu/kepler/kic10/search.php | 6049504 | 293.9740| 41.3155| 23.8| 121.0

  12 | http://archive.stsci.edu/kepler/kic10/search.php | 6049482 | 293.9688| 41.3115| 118.6| 24.6

  13 | http://archive.stsci.edu/kepler/kic10/search.php | 6049507 | 293.9751| 41.3113| 4.5| 19.4

  Posted October 3, 2014 12:06 AM

• by Martti_Holst_Kristiansen

  Visible in both PDCSAP_FLUX & SAP_FLUX:

  

  LC(SAP_FLUX):

  

  Posted October 3, 2014 12:08 AM

• by Martti_Holst_Kristiansen

  SAP_QUALITY:

  Five impacts caused by hits of cosmic rays.

  

  

  Posted October 3, 2014 12:14 AM

• by Martti_Holst_Kristiansen

  APO:

  Seems fine.

  

  Posted October 3, 2014 12:19 AM

• by JKD

  KID 6049470
  Agree, obviously a transit at ~789.3 BJD.
  However, no second signal detected in available light curves
  Nevertheless, it looks like a very promising signal

  Posted October 6, 2014 7:40 PM

• by Martti_Holst_Kristiansen

  Hi JKD, good to see you again. No, it is unfortunately a single event and the best candidate on PH 2.0 I have seen so far. Do you have any thoughts on the other candidates listed in this post: http://talk.planethunters.org/#/boards/BPH0000008/discussions/DPH00004ac ?

  Posted October 6, 2014 11:01 PM

• by Martti_Holst_Kristiansen

  We might have additional events in Q14-1 ~ 1.4 (1275.85 BKJD) & 3 (1277.15 BKJD). Both visible in SAP_FLUX. The flux range does not match the feature in Q8.3.

  Posted October 21, 2014 3:19 PM

• by zoo3hans

  Using Kian's Planetary Calculator I get a 1.0 x R_Earth planet @ 3.7 au from its star with an estimated period of 3129 days. So it's no wonder we see no repeat of this event in the light curve. I think this star is a good candidate.

  Posted October 23, 2014 7:24 AM

• by Martti_Holst_Kristiansen in response to zoo3hans's comment.

  Thank you Hans Martin. Where did you find the properties for this calculation, I can not find the temperature and radius listed on MAST?

  Posted October 23, 2014 8:16 PM

• by zoo3hans

  Dear Martti

  I clicked on "Stellar Properties" (in the Talk page of the star APH00003x4 and got:

  http://exoplanetarchive.ipac.caltech.edu/cgi-bin/nstedAPI/nph-nstedAPI?table=q1_q16_stellar&format=bar-delimited&where=kepid=6049470

  Posted October 24, 2014 7:58 AM

• by Martti_Holst_Kristiansen in response to zoo3hans's comment.

  Ah of course...Thank you!

  Posted October 24, 2014 8:48 AM

• by Martti_Holst_Kristiansen

  The event might indicate the presence of another object. Possibly a moon or an additional planet.

  

  

  Posted January 30, 2015 5:05 PM

• by Shellface in response to Martti Holst Kristiansen's comment.

  I notice that there is a quasi-symmetrical increase in flux on the other side of the deep transit. I also see other similar events in other parts of the dataset, so maybe it's a stellar effect?

  Posted January 30, 2015 8:41 PM

• by JKD in response to Martti Holst Kristiansen's comment.

  do not believe, that the red-marked section is relevant and is coming from a „moon“
  However, I see a symmetrical signal with 0.1d duration on both sides of the planetary signal.
  It might be a „ring“-candidate

  Posted February 1, 2015 11:23 AM

• by Martti_Holst_Kristiansen

  Yes, that could be the case since there seems to be activity in the overall light curve. Nevertheless, I still think there is a possibility for an exomoon or an additional planet. The red signal has a duration of 12.26 hours with an estimated radius of 0.57 R_E. Concerning a ring-candidate I would expect the event to be symmetrical as mentioned, so this could also be the case given the following properties: Duration 13.24 hours and once again an estimated radius of 0.57 R_E. This being said, there seems to be a data break right after the planetary event which could reduce the probability of a ring-candidate.

  Posted February 7, 2015 2:08 PM