B3 1009+427 multiwavelength SED

Also known as 1FLAT J101244.3+422957, 1OUNYU J101244+4229.9, 1WHSP J101244.2+422957, 2FGL J1012.5+4227, 2WHSP J101244.2+422957, 3FGL J1012.7+4229, 3HSP J101244.3+422957, 5BZB J1012+4229, BZB J1012+4229, FBQS J101244.2+422957, ROXA J101244.2+422957.0, RXS J10127+4229, SDSS J101244.30+422957.0.

• Class: BL Lac
• Redshift: z = 0.365
• Position (ICRS): RA 153.18461°, Dec 42.49919°
• Data: 3,867 points (66 upper limits) from 30 catalogues
• Dated data: 2010–2024 (MJD 55230–60610)
• Undated catalogue values: 75
• Frequency range of detections: log ν = 8.2–26.4 [Hz] (radio, microwave, infrared, optical, X-ray, γ-ray)
• Swift measurements analysed by MMDC: 140 UVOT and 14 XRT
• Largest catalogues (points): ZTF (2,382), NEOWISE (650), ASAS-SN (380), WISEME (172), PanSTARRS-LC (129)

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=153.18461, dec=42.49919, name="B3 1009+427")

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

Other BL Lac objects

• B3 1038+392
• 1H 1013+498
• 1ES 1028+511
• 1ES 0927+500
• Mrk 421
• RBS 0970

How to cite

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