Revisiting the Transit Timing and Atmosphere Characterization of the Neptune-mass Planet HAT-P-26 b
We present the transit timing variation (TTV) and planetary atmosphere analysis of the Neptune-mass planet HAT-P-26~b. We present a new set of 13 transit light curves from optical ground-based observations and combine them with light curves from the Wide Field Camera 3 (WFC3) on the Hubble Space Tel...
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| creator | A-thano, Napaporn Awiphan, Supachai Jiang, Ing-Guey Kerins, Eamonn Priyadarshi, Akshay McDonald, Iain Joshi, Yogesh C Chulikorn, Thansuda Hayes, Joshua J. C Charles, Stephen Huang, Chung-Kai Rattanamala, Ronnakrit Yeh, Li-Chin Dhillon, Vik S |
| description | We present the transit timing variation (TTV) and planetary atmosphere
analysis of the Neptune-mass planet HAT-P-26~b. We present a new set of 13
transit light curves from optical ground-based observations and combine them
with light curves from the Wide Field Camera 3 (WFC3) on the Hubble Space
Telescope (HST), Transiting Exoplanet Survey Satellite (TESS), and previously
published ground-based data. We refine the planetary parameters of HAT-P-26 b
and undertake a TTV analysis using 33 transits obtained over seven years. The
TTV analysis shows an amplitude signal of 1.98 $\pm$ 0.05 minutes, which could
result from the presence of an additional $0.02 M_{Jup}$ planet at the 1:2
mean-motion resonance orbit. Using a combination of transit depths spanning
optical to near-infrared wavelengths, we find that the atmosphere of HAT-P-26 b
contains $2.4^{+2.9}_{-1.6}$% of H$_2$O with a derived temperature of
$590^{+60}_{-50}$ K. |
| doi_str_mv | 10.48550/arxiv.2303.03610 |
| format | Article |
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analysis of the Neptune-mass planet HAT-P-26~b. We present a new set of 13
transit light curves from optical ground-based observations and combine them
with light curves from the Wide Field Camera 3 (WFC3) on the Hubble Space
Telescope (HST), Transiting Exoplanet Survey Satellite (TESS), and previously
published ground-based data. We refine the planetary parameters of HAT-P-26 b
and undertake a TTV analysis using 33 transits obtained over seven years. The
TTV analysis shows an amplitude signal of 1.98 $\pm$ 0.05 minutes, which could
result from the presence of an additional $0.02 M_{Jup}$ planet at the 1:2
mean-motion resonance orbit. Using a combination of transit depths spanning
optical to near-infrared wavelengths, we find that the atmosphere of HAT-P-26 b
contains $2.4^{+2.9}_{-1.6}$% of H$_2$O with a derived temperature of
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analysis of the Neptune-mass planet HAT-P-26~b. We present a new set of 13
transit light curves from optical ground-based observations and combine them
with light curves from the Wide Field Camera 3 (WFC3) on the Hubble Space
Telescope (HST), Transiting Exoplanet Survey Satellite (TESS), and previously
published ground-based data. We refine the planetary parameters of HAT-P-26 b
and undertake a TTV analysis using 33 transits obtained over seven years. The
TTV analysis shows an amplitude signal of 1.98 $\pm$ 0.05 minutes, which could
result from the presence of an additional $0.02 M_{Jup}$ planet at the 1:2
mean-motion resonance orbit. Using a combination of transit depths spanning
optical to near-infrared wavelengths, we find that the atmosphere of HAT-P-26 b
contains $2.4^{+2.9}_{-1.6}$% of H$_2$O with a derived temperature of
$590^{+60}_{-50}$ K.</description><subject>Physics - Earth and Planetary Astrophysics</subject><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><sourceid>GOX</sourceid><recordid>eNotj89KxDAYxHPxIKsP4Mm8QGr-Nc0eS1FXWHSR3svX5qsNbNOSxkV9enerp2FmmIEfIXeCZ9rmOX-A-OVPmVRcZVwZwa9J944nv_jkwwdNA9I6QjhbWvvxEkFwtEzjtMwDRqTVABG6hNH_QPJToFO_rl5xTp8B2QjLQg9HCJjorqzZgUlD2xty1cNxwdt_3ZD66bGudmz_9vxSlXsGpuBMI9dKiqJX2EvVOStQq27rLG4LMJZb3ZuO2_zcSm0cl0K1Rtq2MEJj65zakPu_25WymaMfIX43F9pmpVW_VEpPBg</recordid><startdate>20230306</startdate><enddate>20230306</enddate><creator>A-thano, Napaporn</creator><creator>Awiphan, Supachai</creator><creator>Jiang, Ing-Guey</creator><creator>Kerins, Eamonn</creator><creator>Priyadarshi, Akshay</creator><creator>McDonald, Iain</creator><creator>Joshi, Yogesh C</creator><creator>Chulikorn, Thansuda</creator><creator>Hayes, Joshua J. C</creator><creator>Charles, Stephen</creator><creator>Huang, Chung-Kai</creator><creator>Rattanamala, Ronnakrit</creator><creator>Yeh, Li-Chin</creator><creator>Dhillon, Vik S</creator><scope>GOX</scope></search><sort><creationdate>20230306</creationdate><title>Revisiting the Transit Timing and Atmosphere Characterization of the Neptune-mass Planet HAT-P-26 b</title><author>A-thano, Napaporn ; Awiphan, Supachai ; Jiang, Ing-Guey ; Kerins, Eamonn ; Priyadarshi, Akshay ; McDonald, Iain ; Joshi, Yogesh C ; Chulikorn, Thansuda ; Hayes, Joshua J. C ; Charles, Stephen ; Huang, Chung-Kai ; Rattanamala, Ronnakrit ; Yeh, Li-Chin ; Dhillon, Vik S</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a670-4e043217f3ef23cd81e43c9d8e97a68084f6c085ef2246d0213b628b7614ebdd3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Physics - Earth and Planetary Astrophysics</topic><toplevel>online_resources</toplevel><creatorcontrib>A-thano, Napaporn</creatorcontrib><creatorcontrib>Awiphan, Supachai</creatorcontrib><creatorcontrib>Jiang, Ing-Guey</creatorcontrib><creatorcontrib>Kerins, Eamonn</creatorcontrib><creatorcontrib>Priyadarshi, Akshay</creatorcontrib><creatorcontrib>McDonald, Iain</creatorcontrib><creatorcontrib>Joshi, Yogesh C</creatorcontrib><creatorcontrib>Chulikorn, Thansuda</creatorcontrib><creatorcontrib>Hayes, Joshua J. C</creatorcontrib><creatorcontrib>Charles, Stephen</creatorcontrib><creatorcontrib>Huang, Chung-Kai</creatorcontrib><creatorcontrib>Rattanamala, Ronnakrit</creatorcontrib><creatorcontrib>Yeh, Li-Chin</creatorcontrib><creatorcontrib>Dhillon, Vik S</creatorcontrib><collection>arXiv.org</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>A-thano, Napaporn</au><au>Awiphan, Supachai</au><au>Jiang, Ing-Guey</au><au>Kerins, Eamonn</au><au>Priyadarshi, Akshay</au><au>McDonald, Iain</au><au>Joshi, Yogesh C</au><au>Chulikorn, Thansuda</au><au>Hayes, Joshua J. C</au><au>Charles, Stephen</au><au>Huang, Chung-Kai</au><au>Rattanamala, Ronnakrit</au><au>Yeh, Li-Chin</au><au>Dhillon, Vik S</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Revisiting the Transit Timing and Atmosphere Characterization of the Neptune-mass Planet HAT-P-26 b</atitle><date>2023-03-06</date><risdate>2023</risdate><abstract>We present the transit timing variation (TTV) and planetary atmosphere
analysis of the Neptune-mass planet HAT-P-26~b. We present a new set of 13
transit light curves from optical ground-based observations and combine them
with light curves from the Wide Field Camera 3 (WFC3) on the Hubble Space
Telescope (HST), Transiting Exoplanet Survey Satellite (TESS), and previously
published ground-based data. We refine the planetary parameters of HAT-P-26 b
and undertake a TTV analysis using 33 transits obtained over seven years. The
TTV analysis shows an amplitude signal of 1.98 $\pm$ 0.05 minutes, which could
result from the presence of an additional $0.02 M_{Jup}$ planet at the 1:2
mean-motion resonance orbit. Using a combination of transit depths spanning
optical to near-infrared wavelengths, we find that the atmosphere of HAT-P-26 b
contains $2.4^{+2.9}_{-1.6}$% of H$_2$O with a derived temperature of
$590^{+60}_{-50}$ K.</abstract><doi>10.48550/arxiv.2303.03610</doi><oa>free_for_read</oa></addata></record> |
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| title | Revisiting the Transit Timing and Atmosphere Characterization of the Neptune-mass Planet HAT-P-26 b |
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