2052-474 Historical Data
- Coordinates: α=20:56:16.3, δ=-47:14:48 (2000), z=1.489000
- Classification: FSRQ
2052-474 Lightcurves
Radio:
- Wright, E. et al., 2009, ApJS, 180, 283 (WMAP5 - 23-100GHz)
- Sadler, E. et al, 2008, MNRAS, 385, 1656 (65 GHz)
- Massardi, M. et al., 2008, MNRAS, 384, 775 (AT20G - 20GHz, 4.8 GHz, 8.6GHz)
- Healey, S. et al., 2008, ApJS, 175, 97 (CGRaBS - 8.4 GHz)
- Piner, B. et al., 2007, AJ, 133, 2357 (2GHz, 8GHz)
- Burgess, A., & Hunstead, R., 2006, AJ, 131, 114 (MONOGLO - 5 GHz)
- Ricci, R. et al., 2006, A&A, 445, 465 (ATCA - 18.5, 22GHz)
- Ojha, R. et al., 2004, AJ, 127, 3609 (VLBI - 8.4GHz)
- Ricci, R. et al., 2004, A&A, 415, 549 (18.5 GHz)
- Mauch, T., et al., 2003, MNRAS, 342, 1117(SUMSS - 843 GHz)
- Tornikoski, M., et al., 2002, ApJ, 579, 136 (90, 230GHz)
- Jackson, C. et al., 2002, A&A, 386, 97
- Kedziora-Chudczer, L. et al., 2001, MNRAS, 325, 1411 (ATCA)
- Bower, G., et al., 1997, ApJ, 484, 118
- Gregory, P. et al., 1994, ApJS, 90, 173 (PMN - 4.85 GHz)
- Teransranta, H., et al., 2004, A&A, 427, 769
Millimeter:
Optical:
Optical Spectroscopy:
Ultraviolet:
XRay:
- Marshall, H. et al., 2005, ApJS, 156, 13 (Chandra)
- Ebisawa, K., et al., 2003, a&A, 411, 59 (INTEGRAL)
- Comastri, A., et al., 1997, ApJ, 480, 534 (ROSAT)
Gamma-Ray:
- Nolan, P., et al., 2003, ApJ, 597, 615 (EGRET)
- Schonfelder, V. et al., 2000, A&AA, 143, 145 (COMPTEL)
- Hartman, R., et al., 1999, ApJS, 123, 79 (EGRET)
- Macomb, D. & Gehrels, N., 1999, ApJS, 120, 335
- Gamma Spectra
Mukherjee, R., et al., 1997, ApJ, 490, 116 - Mattox, J., et al., 1997, ApJ, 481, 95
Derived Quantities:
- Celotti, A., & Ghisellini, G., 2008, MNRAS, 385, 283 (Blazar jet power)
- Dermer, C., 2007, ApJ, 659, 958 (Blazars with GLAST [FERMI])
- Nandikotkur, G., et al., 2007, ApJ, 657, 706 (Hardening gamma ray spectra with flux)
- Giommi, P., et al., 2006, A&A, 445, 843 (Blazars and EBL)
- Vercellone, S. et al., 2004, MNRAS, 353, 890 (Blazar duty cycle)
- Liang, E., & Liu, H., 2003, MNRAS, 340, 632 (SMBH masses)
- Fan, J.-H., Cheng, K., Zheng, L., 2002 PASJ, 54, 533 (Blazar variation)
- Zhang, L., Cheng, K. & Fan, J.-H., 2001, PASJ, 53, 207 (Radio & Gamma-ray luminosities)
- Cheng, K., Zhang,X., & Zheng, L., 2000, ApJ, 537, 80 (MWL flux correlations)
- SED
Ghisellini, G., et al., 1998, MNRAS, 301, 451 (Theoretical blazar unification) - Fossati, G., et al., 1998, MNRAS, 299, 433 (Blazar Sequence)
- Fan, J.-H., et al., 1998, A&A, 338, 27 (Gamma ray &radio correlation)
- Pohl, M., et al., 1997, A&A, 326, 51 (Gamma ray spectra)
- Brinkmann, W., Yuan, W. & Siebert, J., 1997, A&A, 319, 413 (0.1-2.4 keV)
- Dondi, L., & Ghisellini, G., 1995, MNRAS, 273, 583 (Gamma ray loud blazars & beaming)