B2 0806+35 multiwavelength SED

Also known as 1FGL J0809.4+3455, 1FLAT J080938.9+345536, 1OUNYU J080939+3455.6, 2WHSP J080938.8+345536, 3FGL J0809.6+3456, 3HSP J080938.9+345537, 5BZG J0809+3455, BZB J0809+3455, CRATES J080937+345534, ROXA J081002.5+502538.7.

• Class: BL Lac
• Redshift: z = 0.083
• Position (ICRS): RA 122.41203°, Dec 34.92702°
• Data: 4,839 points (15 upper limits) from 35 catalogues
• Dated data: 2009–2024 (MJD 55124–60611)
• Undated catalogue values: 92
• Frequency range of detections: log ν = 7.9–26.2 [Hz] (radio, microwave, infrared, optical, ultraviolet, X-ray, γ-ray)
• Swift measurements analysed by MMDC: 92 UVOT and 42 XRT
• Largest catalogues (points): ASAS-SN (2,403), ZTF (1,473), NEOWISE (536), PanSTARRS-LC (91), MMDCXRT (86)

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=122.41203, dec=34.92702, name="B2 0806+35")

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

Other BL Lac objects

• B3 0824+420
• B3 0850+443
• Ton 1015
• B2 0906+31
• Ton 0396
• S4 0707+47

How to cite

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