James Webb Space Telescope Feed Post

Target Name: NGC-4258 Title: Scrutinizing the Dirtiest Cepheids, a Test of the Hubble Tension Instrument: NIRISS/IMAGE Filters: CLEAR;F115W Start Time: 2/17/2024 12:34:48 PM Obs Time: 1202.52(s) Proposal ID: 2875

Raw James Webb Space Telescope image. Additional Information: Observation Type: science Mission: JWST Provenance Name: CALJWST Project: JWST Waveband: INFRARED Target Classification: Galaxy; Field galaxies Observation ID: jw02875-o010_t008_niriss_clear-f115w RA: 184.742916666667 Dec: 47.2863888888889 Product Type: image Principal Investigator: Riess, Adam Calibration Level: 3 Start Time: 2/17/2024 12:34:48 PM End Time: 2/17/2024 1:00:23 PM Min Wavelength: 1000 Max Wavelength: 1300 Release Date: 2/17/2025 4:55:15 PM Proposal Type: GO Sequence Number: -999 S_Region: POLYGON 184.916337554 47.241842779 184.866902595 47.221466242 184.837186279 47.25466602 184.886640804 47.275055336 Data Rights: PUBLIC Moving Target: False Number of Catalog Objects(srcDen): NaN Product Group ID: 212480651 Object ID: 718160776