4C +03.23 multiwavelength SED

Also known as 1FLAT J122452.4+033050, 5BZQ J1224+0330, BZQ J1224+0330, CRATES J122452+033043, PKS 1222+037, PKS B1222+037, ROXA J122452.3+033050.1, TXS 1222+037.

• Class: FSRQ
• Redshift: z = 0.956
• Position (ICRS): RA 186.21843°, Dec 3.51397°
• Data: 2,029 points (13 upper limits) from 31 catalogues
• Dated data: 2009–2024 (MJD 54997–60487)
• Undated catalogue values: 93
• Frequency range of detections: log ν = 7.9–25.4 [Hz] (radio, microwave, infrared, optical, ultraviolet, X-ray, γ-ray)
• Largest catalogues (points): ZTF (1,150), NEOWISE (499), ASAS-SN (147), PanSTARRS-LC (74), WISEME (53)

Get the data

• The SED as CSV from the MMDC SED API (docs.mmdc.am).
• In Python, with astro-mmdc:

  from astro_mmdc import MMDC
  sed = MMDC().sed.get(ra=186.21843, dec=3.51397, name="4C +03.23")

• The interactive SED plot, with time filtering and modeling (needs JavaScript).

Other FSRQs

• 4C +04.42
• 3C 273
• 4C +13.46
• PKS 1200-051
• 3C 279
• TXS 1212+171

How to cite

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