1E 0317.0+1835 multiwavelength SED

Also known as 1FGL J0319.7+1847, 1FLAT J031951.8+184534, 2WHSP J031951.7+184533, 3FGL J0319.8+1847, 3HSP J031951.8+184535, 5BZG J0319+1845, BZB J0319+1845, MS 0317.0+1834, MS 03170+1834, SHBL J031951.9+184534.

• Class: BL Lac
• Redshift: z = 0.190
• Position (ICRS): RA 49.96587°, Dec 18.75960°
• Data: 3,842 points (26 upper limits) from 33 catalogues
• Dated data: 1997–2024 (MJD 50463–60610)
• Undated catalogue values: 71
• Frequency range of detections: log ν = 8.9–26.4 [Hz] (radio, microwave, infrared, optical, ultraviolet, X-ray, γ-ray)
• Swift measurements analysed by MMDC: 17 XRT
• Largest catalogues (points): ZTF (1,561), ASAS-SN (1,332), NEOWISE (542), WISEME (138), MMDCXRT (100)

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=49.96587, dec=18.7596, name="1E 0317.0+1835")

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

Other BL Lac objects

• PKS 0235+164
• 1ES 0229+200
• 1H 0323+022
• B2 0201+24
• TXS 0159+085
• 1ES 0414+009

How to cite

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