PKS 1440-389 multiwavelength SED

Also known as 1FGL J1444.0-3906, 1FLAT J144357.2-390840, 1OUNYU J144357-3908.6, 2WHSP J144357.1-390839, 3FGL J1444.0-3907, 3HSP J144357.2-390840, 4FGL J1443.9-3908, 5BZB J1443-3908, BZB J1443-3908, CRATES J144401-390846.

• Class: BL Lac
• Redshift: z = 0.065
• Position (ICRS): RA 220.98832°, Dec −39.14446°
• Data: 3,311 points (18 upper limits) from 31 catalogues
• Dated data: 2008–2025 (MJD 54722–60850)
• Undated catalogue values: 95
• Frequency range of detections: log ν = 7.9–26.2 [Hz] (radio, microwave, infrared, optical, X-ray, γ-ray)
• Swift measurements analysed by MMDC: 86 XRT
• Largest catalogues (points): ASAS-SN (2,303), MMDCXRT (540), MMDCOUV (127), MMDCGR (120), WISEME (70)

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=220.98832, dec=-39.14446, name="PKS 1440-389")

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

Other BL Lac objects

• AP Librae
• RBS 1457
• PKS 1309-216
• RBS 1080
• PKS 1144-379
• TXS 1307-117

How to cite

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