OW 197 multiwavelength SED

Also known as 1FLAT J130020.9+141718, 3FGL J1300.2+1416, 5BZQ J1300+1417, BZQ J1300+1417, CRATES J130021+141658, PKS 1257+145, PKS B1257+145, TXS 1257+145.

• Class: FSRQ
• Redshift: z = 1.106
• Position (ICRS): RA 195.08716°, Dec 14.28848°
• Data: 2,142 points (13 upper limits) from 29 catalogues
• Dated data: 2009–2024 (MJD 54996–60489)
• Undated catalogue values: 96
• Frequency range of detections: log ν = 7.9–25.4 [Hz] (radio, microwave, infrared, optical, ultraviolet, X-ray, γ-ray)
• Largest catalogues (points): ZTF (1,016), NEOWISE (581), ASAS-SN (278), PanSTARRS-LC (84), WISEME (80)

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=195.08716, dec=14.28848, name="OW 197")

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

Other FSRQs

• 4C +21.35
• TXS 1212+171
• 4C +13.46
• 4C +04.42
• 4C +03.23
• 3C 273

How to cite

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