4C +14.60 multiwavelength SED

Also known as 1FLAT J154049.5+144745, 1Jy 1538+149, 1OUNYU J154049+1447.7, 2FGL J1540.4+1438, 3FGL J1540.8+1449, 4C14.60, 5BZB J1540+1447, BZB J1540+1447, CRATES J154048+144739, PKS 1538+149, PKS B1538+149, TXS 1538+149, WMAP5 J1540+1447.

• Class: BL Lac
• Redshift: z = 0.605
• Position (ICRS): RA 235.20621°, Dec 14.79608°
• Data: 3,294 points (5 upper limits) from 45 catalogues
• Dated data: 2006–2024 (MJD 54094–60572)
• Undated catalogue values: 137
• Frequency range of detections: log ν = 7.9–25.9 [Hz] (radio, microwave, infrared, optical, ultraviolet, X-ray, γ-ray)
• Swift measurements analysed by MMDC: 32 UVOT and 20 XRT
• Largest catalogues (points): ZTF (1,689), NEOWISE (681), ASAS-SN (510), WISEME (114), PanSTARRS-LC (71)

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=235.20621, dec=14.79608, name="4C +14.60")

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

Other BL Lac objects

• PG 1553+113
• TXS 1516+064
• 1ES 1440+122
• RBS 1467
• PKS 1509+022
• PKS 1514+00

How to cite

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