OS 319 multiwavelength SED

Also known as 1FGL J1613.5+3411, 1FLAT J161341.0+341248, 1Jy 1611+343, 1OUNYU J161341+3412.7, 2FGL J1613.4+3409, 3FGL J1613.8+3410, 5BZQ J1613+3412, BZQ J1613+3412, CRATES J161340+341241, DA406, QSO B1611+343, ROXA J161340.9+341247.8, TXS 1611+343, WMAP23, WMAP5 J1613+3412.

• Class: FSRQ
• Redshift: z = 1.398
• Position (ICRS): RA 243.42110°, Dec 34.21331°
• Data: 4,596 points (15 upper limits) from 42 catalogues
• Dated data: 2006–2025 (MJD 54086–60960)
• Undated catalogue values: 264
• Frequency range of detections: log ν = 7.9–25.1 [Hz] (radio, microwave, infrared, optical, ultraviolet, X-ray, γ-ray)
• Swift measurements analysed by MMDC: 34 XRT
• Largest catalogues (points): ZTF (3,515), ASAS-SN (504), WISEME (110), SUFST (94), PanSTARRS-LC (70)

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=243.4211, dec=34.21331, name="OS 319")

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

Other FSRQs

• 4C +38.41
• B2 1606+40
• B2 1604+27
• 3C 345
• B2 1520+31
• 4C +47.44

How to cite

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