3C 395 multiwavelength SED

Also known as 1FLAT J190255.9+315941, 1OUNYU J190256+3159.7, 5BZQ J1902+3159, CRATES J190256+315939, TXS 1901+319, WMAP34, WMAP5 J1329+3200.

• Class: FSRQ
• Redshift: z = 0.635
• Position (ICRS): RA 285.73309°, Dec 31.99492°
• Data: 9,946 points (5 upper limits) from 31 catalogues
• Dated data: 2005–2024 (MJD 53462–60610)
• Undated catalogue values: 73
• Frequency range of detections: log ν = 7.9–25.4 [Hz] (radio, microwave, infrared, optical, X-ray, γ-ray)
• Swift measurements analysed by MMDC: 10 UVOT
• Largest catalogues (points): ZTF (5,374), ASAS-SN (3,330), NEOWISE (887), PanSTARRS-LC (143), WISEME (122)

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=285.73309, dec=31.99492, name="3C 395")

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

Other FSRQs

• B2 1846+32A
• B2 1751+28
• S4 1800+44
• S4 1851+48
• B2 1722+33
• OV 591

How to cite

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