CTA 102 multiwavelength SED

Names and position

Also known as 1FGL J2232.5+1144, 1Jy 2230+114, 1OUNYU J223236+1143.8, 2FGL J2232.4+1143, 3FGL J2232.5+1143, 5BZQ J2232+1143, BZQ J2232+1143, PKS 2230+114, PKS B2230+114, TXS 2230+114, WMAP47, WMAP5 J1254+1142.

• Class: FSRQ
• Redshift: z = 1.037
• Position (ICRS): RA 338.15170°, Dec 11.73081°
• Galactic: l 77.438°, b −38.583°

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

The SED

• Data: 8,954 points (408 upper limits) from 53 catalogues
• Dated data: 1993–2025 (MJD 48994–60881)
• Undated catalogue values: 173
• Frequency range of detections: log ν = 7.9–25.4 [Hz] (radio, microwave, infrared, optical, ultraviolet, X-ray, γ-ray)
• Swift measurements analysed by MMDC: 1,278 UVOT and 1,473 XRT
• Largest catalogues (points): MMDCGR (2,210), MMDCXRT_ORBIT (1,791), MMDCXRT (1,326), MMDCOUV (639), SUFST (565)

Data by band

All 7 bands have data. The X-ray band has the most points, 4,192 of 8,954; its largest catalogue is MMDCXRT_ORBIT with 1,791.

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=338.1517, dec=11.73081, name="CTA 102")

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

Nearby sources

• 3C 454.3, 6.8° away
• PKS 2201+171, 9.1° away
• PKS 2223+21, 9.7° away
• PKS 2246+208, 10.2° away

Other FSRQs

• PKS B2224+006
• PKS 2145+06
• OX 169
• PKS 2325+093
• 4C +10.73
• PKS 2216-03

How to cite

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