PKS 1244-255 multiwavelength SED

Also known as 1FGL J1246.7-2545, 1FLAT J124646.8-254749, 1Jy 1244-255, 1OUNYU J124647-2547.8, 1RXS J124646.7-254749, 2FGL J1246.7-2546, 3FGL J1246.7-2547, 5BZQ J1246-2547, BZQ J1246-2547, CRATES J124647-254751, PKS B1244-255, TXS 1244-255, WMAP177, WMAP5 J0047-2514.

• Class: FSRQ
• Redshift: z = 0.635
• Position (ICRS): RA 191.69501°, Dec −25.79702°
• Data: 2,718 points (83 upper limits) from 48 catalogues
• Dated data: 2007–2024 (MJD 54117–60462)
• Undated catalogue values: 220
• 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: 30 UVOT and 18 XRT
• Largest catalogues (points): ASAS-SN (1,052), MMDCGR (439), SMARTS (429), ZTF (314), WISEME (115)

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=191.69501, dec=-25.79702, name="PKS 1244-255")

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

Other FSRQs

• PKS 1203-26
• PKS 1313-333
• TXS 1235-117
• PKS 1335-127
• 3C 279
• PKS 1127-14

How to cite

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