Ton 599 multiwavelength SED

Names and position

Also known as 1FGL J1159.4+2914, 1FLAT J115931.8+291443, 2FGL J1159.5+2914, 3FGL J1159.5+2914, 4C29.45, 5BZQ J1159+2914, BZQ J1159+2914, CRATES J115932+291453, QSO B1156+295, TON 0599, TXS 1156+295, WMAP111, WMAP5 J1159+2915.

• Class: FSRQ
• Redshift: z = 0.725
• Position (ICRS): RA 179.88264°, Dec 29.24551°
• Galactic: l 199.414°, b 78.374°

Other names and measurements: NED and SIMBAD within 5″ of this position.

The SED

• Data: 9,279 points (4 upper limits) from 51 catalogues
• Dated data: 2007–2025 (MJD 54278–60969)
• Undated catalogue values: 1,152
• Frequency range of detections: log ν = 7.9–26.2 [Hz] (radio, microwave, infrared, optical, ultraviolet, X-ray, γ-ray)
• Swift measurements analysed by MMDC: 1,506 UVOT and 661 XRT
• Largest catalogues (points): ASAS-SN (2,543), ZTF (1,717), MMDCGR (1,017), SUFST (962), MMDCOUV (753)

Data by band

All 7 bands have data. The optical band has the most points, 3,319 of 9,279; its largest catalogue is ASAS-SN with 2,543.

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=179.88264, dec=29.24551, name="Ton 599")

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

Nearby sources

• TXS 1145+268, 3.7° away
• B2 1215+30, 4.1° away
• PG 1218+304, 4.8° away
• W Comae, 4.9° away

Other FSRQs

• 4C +21.35
• OM 235
• S4 1144+40
• TXS 1212+171
• 5C 12.291
• 4C +13.46

How to cite

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