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Spitzer Parallax of OGLE-2015-BLG-0966: A Cold Neptune in the Galactic Disk

Street, RA and Udalski, A and Novati, SC and Hundertmark, MPG and Zhu, W and Gould, A and Yee, J and Tsapras, Y and Bennett, DP and Jorgensen, UG and Dominik, M and Andersen, MI and Bachelet, E and Bozza, V and Bramich, DM and Burgdorf, MJ and Cassan, A and Ciceri, S and D'Ago, G and Dong, S and Evans, DF and Gu, S-H and Harkonnen, H and Hinse, TC and Horne, K and Jaimes, RF and Kains, N and Kerins, E and Korhonen, H and Kuffmeier, M and Mancini, L and Menzies, J and Mao, S and Peixinho, N and Popovas, A and Rabus, M and Rahvar, S and Ranc, C and Rasmussen, RT and Scarpetta, G and Schmidt, R and Skottfelt, J and Snodgrass, C and Southworth, J and Steele, IA and Surdej, J and Unda-Sanzana, E and Verma, P and Von Essen, C and Wambsganss, J and Wang, Y-B and Wertz, O and Poleski, R and Pawlak, M and Szymanski, MK and Skowron, J and Mroz, P and Kozlowski, S and Wyrzykowski, L and Pietrukowicz, P and Pietrzynski, G and Soszynski, I and Ulaczyk, K and Beichman, C and Bryden, G and Carey, S and Gaudi, BS and Henderson, CB and Pogge, RW and Shvartzvald, Y and Abe, F and Asakura, Y and Bhattacharya, A and Bond, IA and Donachie, M and Freeman, M and Fukui, A and Hirao, Y and Inayama, K and Itow, Y and Koshimoto, N and Li, MCA and Ling, CH and Masuda, K and Matsubara, Y and Muraki, Y and Nagakane, M and Nishioka, T and Ohnishi, K and Oyokawa, H and Rattenbury, N and Saito, T and Sharan, A and Sullivan, DJ and Sumi, T and Suzuki, D and Tristram, J and Wakiyama, Y and Yonehara, A and Han, C and Choi, J-Y and Park, H and Jung, YK and Shin, I-G (2016) Spitzer Parallax of OGLE-2015-BLG-0966: A Cold Neptune in the Galactic Disk. Astrophysical Journal, 819 (2). ISSN 0004-637X

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We report the detection of a cold Neptune mplanet = 21 ± 2 M⊕ orbiting a 0.38 M⊙ M dwarf lying 2.5–3.3 kpc toward the Galactic center as part of a campaign combining ground-based and Spitzer observations to measure the Galactic distribution of planets. This is the first time that the complex real-time protocols described by Yee et al., which aim to maximize planet sensitivity while maintaining sample integrity, have been carried out in practice. Multiple survey and follow up teams successfully combined their efforts within the framework of these protocols to detect this planet. This is the second planet in the Spitzer Galactic distribution sample. Both are in the near to mid-disk and are clearly not in the Galactic bulge.

Item Type: Article
Uncontrolled Keywords: 0201 Astronomical And Space Sciences, 0305 Organic Chemistry, 0306 Physical Chemistry (Incl. Structural)
Subjects: Q Science > QB Astronomy
Q Science > QC Physics
Divisions: Astrophysics Research Institute
Publisher: American Astronomical Society; IOP Publishing
Related URLs:
Date Deposited: 09 May 2017 08:30
Last Modified: 09 May 2017 08:30
DOI or Identification number: 10.3847/0004-637X/819/2/93
URI: http://researchonline.ljmu.ac.uk/id/eprint/6380

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