PKS 1741-03 multiwavelength SED

PKS 1741-03 is a flat-spectrum radio quasar (FSRQ) at redshift z = 1.054. Its MMDC SED has 2,627 points from 36 catalogues, with dated data from 1993–⁠2025. Download the SED as CSV.

Updated .

Names and position

Also known as 1FLAT J174358.9-035004, 1Jy 1741-038, 1OUNYU J174359-0350.0, 3EG J1744-0310, 3FGL J1744.3-0353, 5BZQ J1743-0350, BZQ J1743-0350, CRATES J174359-035006, OT-68, PKS 1741-038, PKS B1741-038, TXS 1741-038.

  • Class: FSRQ
  • Redshift: z = 1.054
  • Position (ICRS): RA 265.99523°, Dec −3.83462°
  • Galactic: l 21.591°, b 13.127°

Other names and measurements: NED and SIMBAD within 5″ of this position.

The SED

  • Data: 2,627 points (2 upper limits) from 36 catalogues
  • Dated data: 1993–2025 (MJD 49001–60961)
  • Undated catalogue values: 122
  • Frequency range of detections: log ν = 7.9–25.2 [Hz] (radio, microwave, infrared, optical, ultraviolet, X-ray, γ-ray)
  • Swift measurements analysed by MMDC: 30 UVOT and 21 XRT
  • Largest catalogues (points): ZTF (1,450), NEOWISE (623), ASAS-SN (128), WISEME (73), PanSTARRS-LC (67)

Data by band

All 7 bands have data. The optical band has the most points, 1,594 of 2,627; its largest catalogue is ZTF with 1,450.

BandPointsCataloguesDated data
radio8512undated
microwave9551993–2018
infrared77052010–2024
optical1,59442007–2025
ultraviolet11undated
X-ray7382007–2010
γ-ray91undated

Get the data

Nearby sources

Other FSRQs

How to cite

Sahakyan, N., Vardanyan, V., Giommi, P., et al. 2024, AJ, 168, 289, doi:10.3847/1538-3881/ad8231 (arXiv:2410.01207).