4C +28.07 multiwavelength SED

Also known as 1FGL J0237.9+2848, 1FLAT J023752.4+284808, 1Jy 0234+285, 1OUNYU J023752+2848.1, 2FGL J0237.8+2846, 3FGL J0237.9+2848, 4C 28.07, 5BZQ J0237+2848, B20234+28, BZQ J0237+2848, CRATES J023752+284814, TXS 0234+285, WMAP5 J1753+2848, WMAP93.

• Class: FSRQ
• Redshift: z = 1.213
• Position (ICRS): RA 39.46836°, Dec 28.80250°
• Data: 2,424 points (33 upper limits) from 37 catalogues
• Dated data: 2007–2024 (MJD 54287–60373)
• Undated catalogue values: 181
• Frequency range of detections: log ν = 7.9–26.2 [Hz] (radio, microwave, infrared, optical, X-ray, γ-ray)
• Swift measurements analysed by MMDC: 76 UVOT and 36 XRT
• Largest catalogues (points): ASAS-SN (793), NEOWISE (542), ALMA (463), MMDCGR (143), WISEME (90)

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=39.46836, dec=28.8025, name="4C +28.07")

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

Other FSRQs

• B2 0202+31
• TXS 0222+185
• PKS 0149+21
• TXS 0322+222
• NRAO 140
• 4C +13.14

How to cite

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