PKS 2005-489 multiwavelength SED

Names and position

Also known as 1FGL J2009.5-4849, 1Jy 2005-489, 1OUNYU J200925-4849.8, 2WHSP J200925.3-484953, 3FGL J2009.3-4849, 3HSP J200925.4-484954, 4FGL J2009.4-4849, 5BZB J2009-4849, BZB J2009-4849, CRATES J200925-484954, ESO233-35, PKS B2005-489, QSO B2005-489.

• Class: BL Lac
• Redshift: z = 0.0709
• Fermi-LAT (4FGL): 4FGL J2009.4-4849
• Position (ICRS): RA 302.35579°, Dec −48.83159°
• Galactic: l 350.373°, b −32.601°

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

The SED

• Data: 3,781 points (6 upper limits) from 50 catalogues
• Dated data: 1996–2025 (MJD 50355–60857)
• Undated catalogue values: 386
• 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: 626 UVOT and 590 XRT
• Largest catalogues (points): ASAS-SN (1,275), MMDCXRT_ORBIT (935), MMDCXRT (524), MMDCOUV (313), SUFST (125)

Data by band

All 7 bands have data. The X-ray band has the most points, 1,801 of 3,781; its largest catalogue is MMDCXRT_ORBIT with 935.

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=302.35579, dec=-48.83159, name="PKS 2005-489")

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

Nearby sources

• PKS 2052-47, 8.0° away
• PKS 1954-388, 10.3° away
• PKS 2123-463, 13.3° away
• PKS 2021-330, 16.2° away

Other BL Lac objects

• PKS 2155-304
• 1H 1914-194
• TXS 2056-149
• PKS 2240-260
• TXS 2147-144
• H 2356-309

How to cite

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