B3 1038+392 multiwavelength SED

Also known as 1FLAT J104149.1+390119, 2WHSP J104149.0+390118, 3HSP J104149.2+390120, 5BZG J1041+3901, BZB J1041+3901, SDSS J104149.15+390119.5.

• Class: BL Lac
• Redshift: z = 0.208
• Position (ICRS): RA 160.45479°, Dec 39.02208°
• Data: 4,576 points (25 upper limits) from 28 catalogues
• Dated data: 2009–2024 (MJD 55194–60610)
• Undated catalogue values: 69
• Frequency range of detections: log ν = 8.2–25.4 [Hz] (radio, microwave, infrared, optical, ultraviolet, X-ray, γ-ray)
• Swift measurements analysed by MMDC: 24 UVOT and 13 XRT
• Largest catalogues (points): ZTF (2,647), ASAS-SN (1,061), NEOWISE (593), PanSTARRS-LC (120), WISEME (72)

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=160.45479, dec=39.02208, name="B3 1038+392")

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

Other BL Lac objects

• Mrk 421
• B3 1009+427
• RBS 0970
• 1H 1013+498
• 1ES 1028+511
• RBS 1040

How to cite

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