DARTS Astro

total 1

No. target_name center_ra center_dec center_ra_b1950 center_dec_b1950 center_ecliptic_lon center_ecliptic_lat center_galactic_lon center_galactic_lat roll_angle observation_start_time_mjd observation_start_time observation_end_time_mjd observation_end_time observation_id exposure proposal_exposure xis0_exposure xis1_exposure xis2_exposure xis3_exposure xis0_observation_mode xis1_observation_mode xis2_observation_mode xis3_observation_mode hxd_observation_mode hxd_coarse_clock_rate_exposure hxd_first_clock_rate_exposure hxd_normal_clock_rate_exposure hxd_all_clock_rate_exposure hxd_wam_exposure hxd_burst_num processing_status processing_end_time_mjd processing_end_time public_date_mjd public_date distribute_start_date_mjd distribute_start_date processing_version processing_quantity processing_software proposal_id proposal_abstract proposal_category proposal_category_code proposal_priority pi_name co_pi_name proposal_affiliated_country proposal_cycle_count observation_type proposal_title main_detector xis_injection_flag data_access_url ql_access_url ql_image_url
1 BD +30 3639 293.6993 30.5065 293.208675 30.395694 303.554886 51.223276 64.78119899 5.00649051 237.7342 53676.9934837963 2005-11-02 23:50:37 53677.8230324074 2005-11-03 19:45:10 100025020 31.1384 40 31.1384 31.1624 31.1464 31.1544 2 2 2 2 1 0 0 27.1258 27.1258 71.638 1 PROCESSED 57527.9315509259 2016-05-19 22:21:26 54247 2007-05-27 00:00:00 54037.1080902778 2006-10-29 02:35:39 3.0.22.43 3 Hea_08Feb2016_V6.18_Suzaku_14Nov2013_V22 000025 The proposed target, BD +30 3639, is a prototypical planetary nebula which emit diffuse X-rays; planetary nebulae represent the final evolutionary stage of low mass stars, and contain very rich information on the stellar nucleosynthesis. The Chandra ACIS spectrum of BD +30 3639 bears an amazingly strong Ne-K line, most certainly because the X-ray emitting material directly reflect the "onion-like structure" of elements insied evolved stars. However, the ACIS was not able to resolve C, N, O lines, which are of vital importance. The XMM RGS and Chandra LETG could do, but we need very long exposure. Using the Suzaku XIS-BI with the excellent low-energy performance, we can for the first time measure the C/N/O/Mg abundance ratios of this important object in a short time. CALIBRATION 1 A SWG JAP 0 SWG Observation of planetary nebula BD +30 3639 N https://darts.isas.jaxa.jp/pub/suzaku/ver3.0/100025020/ Quick Look

Used SQL

SELECT * FROM suzaku_master_data WHERE observation_id = '100025020'

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