4C +14.23 multiwavelength SED

Also known as 1FGL J0725.3+1431, 1FLAT J072516.8+142513, 1OUNYU J072517+1425.2, 2FGL J0725.3+1426, 3FGL J0725.2+1425, 4C 14.23, 5BZQ J0725+1425, BZQ J0725+1425, CRATES J0725+1425, CRATES J072517+142514, PKS 0722+145, PKS B0722+145, TXS 0722+145.

• Class: FSRQ
• Redshift: z = 1.039
• Position (ICRS): RA 111.32003°, Dec 14.42049°
• Data: 3,552 points (55 upper limits) from 39 catalogues
• Dated data: 2008–2024 (MJD 54730–60610)
• Undated catalogue values: 171
• Frequency range of detections: log ν = 7.9–25.4 [Hz] (radio, microwave, infrared, optical, X-ray, γ-ray)
• Swift measurements analysed by MMDC: 130 UVOT and 3 XRT
• Largest catalogues (points): ZTF (1,590), ASAS-SN (682), NEOWISE (508), MMDCGR (249), PanSTARRS-LC (118)

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=111.32003, dec=14.42049, name="4C +14.23")

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

Other FSRQs

• OI 280
• TXS 0747+185
• OI 275
• B2 0743+25
• PKS 0736+01
• S3 0827+24

How to cite

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