B3 0850+443 multiwavelength SED

Also known as 1FLAT J085409.9+440830, 2WHSP J085409.7+440830, 3FGL J0854.2+4408, 3HSP J085409.9+440830, 5BZB J0854+4408, BZB J0854+4408, CRATES J085410+440819, ROXA J085409.7+440830.1, SDSS J085409.89+440830.2, US1889.

• Class: BL Lac
• Redshift: z = 0.230
• Position (ICRS): RA 133.54120°, Dec 44.14174°
• Data: 8,404 points (17 upper limits) from 31 catalogues
• Dated data: 2010–2024 (MJD 55302–60610)
• Undated catalogue values: 79
• Frequency range of detections: log ν = 8.2–26.2 [Hz] (radio, microwave, infrared, optical, ultraviolet, X-ray, γ-ray)
• Largest catalogues (points): ZTF (6,728), ASAS-SN (847), NEOWISE (569), PanSTARRS-LC (95), WISEME (76)

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=133.5412, dec=44.14174, name="B3 0850+443")

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

Other BL Lac objects

• B3 0824+420
• 1ES 0927+500
• 1ES 0806+524
• Ton 1015
• B2 0806+35
• B2 0906+31

How to cite

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