Search Results - "Szczygiel, D. M."

Eclipsing binaries in the All Sky Automated Survey catalogue by Paczyński, B., Szczygieł, D. M., Pilecki, B., Pojmański, G.

“…The All Sky Automated Survey (ASAS) is a long-term project to monitor bright variable stars over the whole sky. It has discovered 50 099 variables brighter…”
Get full text

UNMASKING THE SUPERNOVA IMPOSTORS by KOCHANEK, C. S, SZCZYGIEL, D. M, STANEK, K. Z

“…The canonical picture of a supernova impostor is a short -11 [< or ~] MV [< or ~] -14 optical transient from a massive star during which the star ejects a…”
Get full text

SN 2002bu—ANOTHER SN 2008S-LIKE TRANSIENT by SZCZYGIEL, D. M, KOCHANEK, C. S, DAI, X

“…We observed supernova (SN) 2002bu in the near-IR with the Hubble Space Telescope (HST), the mid-IR with the Spitzer Space Telescope, and in X-rays with Swift…”
Get full text

Multiperiodic Galactic field RR Lyrae stars in the ASAS catalogue by Szczygieł, D. M., Fabrycky, D. C.

“…The All Sky Automated Survey (ASAS) monitors bright stars (8 < V < 14 mag) south of declination +28°. The ASAS Catalogue of Variable Stars (ACVS) presently…”
Get full text

THE UNUSUAL TEMPORAL AND SPECTRAL EVOLUTION OF THE TYPE IIn SUPERNOVA 2011ht by ROMING, P. W. A, PRITCHARD, T. A, HOLLAND, S. T, IMMLER, S, KUIN, N. P. M, OATES, S. R, POGGE, R. W, POJMANSKI, G, STOLL, R, SHAPPEE, B. J, STANEK, K. Z, SZCZYGIEL, D. M, PRIETO, J. L, KOCHANEK, C. S, FRYER, C. L, DAVIDSON, K, HUMPHREYS, R. M, BAYLESS, A. J, BEACOM, J. F, BROWN, P. J

“…We present very early UV to optical photometric and spectroscopic observations of the peculiar Type IIn supernova (SN) 2011ht in UGC 5460. The UV observations…”
Get full text

A model of AW UMa by Paczyński, B., Sienkiewicz, R., Szczygieł, D. M.

“…The contact binary AW UMa has an extreme mass ratio, with the more-massive component (the current primary) close to the main sequence, while the low-mass star…”
Get full text

Six months of multiwavelength follow-up of the tidal disruption candidate ASASSN-14li and implied TDE rates from ASAS-SN by Holoien, T W-S, Kochanek, C S, Prieto, J L, Stanek, K Z, Dong, Subo, Shappee, B J, Grupe, D, Brown, J S, Basu, U, Beacom, J F, Bersier, D, Brimacombe, J, Danilet, A B, Falco, E, Guo, Z, Jose, J, Herczeg, G J, Long, F, Pojmanski, G, Simonian, G V, Szczygiel, D M, Thompson, T A, Thorstensen, J R, Wagner, R M, Wozniak, P R

“…We present ground-based and Swift photometric and spectroscopic observations of the candidate tidal disruption event (TDE) ASASSN-14li, found at the centre of…”
Get full text

Astronomy. ASASSN-15lh: A highly super-luminous supernova by Dong, Subo, Shappee, B J, Prieto, J L, Jha, S W, Stanek, K Z, Holoien, T W-S, Kochanek, C S, Thompson, T A, Morrell, N, Thompson, I B, Basu, U, Beacom, J F, Bersier, D, Brimacombe, J, Brown, J S, Bufano, F, Chen, Ping, Conseil, E, Danilet, A B, Falco, E, Grupe, D, Kiyota, S, Masi, G, Nicholls, B, Olivares E, F, Pignata, G, Pojmanski, G, Simonian, G V, Szczygiel, D M, Woźniak, P R

“…We report the discovery of ASASSN-15lh (SN 2015L), which we interpret as the most luminous supernova yet found. At redshift z = 0.2326, ASASSN-15lh reached an…”
Get full text

ASASSN-14ae: a tidal disruption event at 200 Mpc by Holoien, T. W.-S., Prieto, J. L., Bersier, D., Kochanek, C. S., Stanek, K. Z., Shappee, B. J., Grupe, D., Basu, U., Beacom, J. F., Brimacombe, J., Brown, J. S., Davis, A. B., Jencson, J., Pojmanski, G., Szczygieł, D. M.

“…ASASSN-14ae is a candidate tidal disruption event (TDE) found at the centre of SDSS J110840.11+340552.2 (d ≃ 200 Mpc) by the All-Sky Automated Survey for…”
Get full text

ASASSN-15lh: A highly super-luminous supernova by Dong, Subo, Shappee, B. J., Prieto, J. L., Jha, S. W., Stanek, K. Z., Holoien, T. W.-S., Kochanek, C. S., Thompson, T. A., Morrell, N., Thompson, I. B., Basu, U., Beacom, J. F., Bersier, D., Brimacombe, J., Brown, J. S., Bufano, F., Chen, Ping, Conseil, E., Danilet, A. B., Falco, E., Grupe, D., Kiyota, S., Masi, G., Nicholls, B., E, F. Olivares, Pignata, G., Pojmanski, G., Simonian, G. V., Szczygiel, D. M., Woźniak, P. R.

“…We report the discovery of ASASSN-15lh (SN 2015L), which we interpret as the most luminous supernova yet found. At redshift z = 0.2326, ASASSN-15lh reached an…”
Get full text

The Supernova Impostor Impostor SN 1961V: Spitzer Shows That Zwicky Was Right (Again) by Kochanek, C. S, Szczygiel, D. M, K. Z. Stanek

“…SN 1961V, one of Zwicky's defining Type V supernovae (SNe), was a peculiar transient in NGC 1058 that has variously been categorized as either a true…”
Get full text

DISCOVERY OF VARIABILITY OF THE PROGENITOR OF SN 2011dh IN M 51 USING THE LARGE BINOCULAR TELESCOPE by SZCZYGIEL, D. M, GERKE, J. R, KOCHANEK, C. S, STANEK, K. Z

“…We show that the candidate progenitor of the core-collapse SN 2011dh in M 51 (8 Mpc away) was fading by 0.039 + or - 0.006 mag yr super(-1) during the 3 years…”
Get full text

DUST TO DUST: THREE YEARS IN THE EVOLUTION OF THE UNUSUAL SN 2008S by SZCZYGIEL, D. M, PRIETO, J. L, KOCHANEK, C. S, STANEK, K. Z, THOMPSON, T. A, BEACOM, J. F, GARNAVICH, P. M, WOODWARD, C. E

“…We obtained late-time optical and near-IR imaging of SN 2008S with the Large Binocular Telescope, near-IR data with the Hubble Space Telescope, and mid-IR data…”
Get full text

SN 2008jb: A LOST CORE-COLLAPSE SUPERNOVA IN A STAR-FORMING DWARF GALAXY AT ~10 Mpc by PRIETO, J. L, LEE, J. C, STANEK, K. Z, SZCZYGIEL, D. M, DRAKE, A. J, MCNAUGHT, R, GARRADD, G, BEACOM, J. F, BESHORE, E, CATELAN, M, DJORGOVSKI, S. G, POJMANSKI, G

Get full text

SDWFS-MT-1: A Self-obscured Luminous Supernova at z 0.2 by Kozłowski, Szymon, Kochanek, C. S, Stern, D, Prieto, J. L, Stanek, K. Z, Thompson, T. A, Assef, R. J, Drake, A. J, Szczygieł, D. M, Woźniak, P. R, Nugent, P, Ashby, M. L. N, Beshore, E, Brown, M. J. I, Dey, Arjun, Griffith, R, Harrison, F, Jannuzi, B. T, Larson, S, Madsen, K, Pilecki, B, Pojmański, G, Skowron, J, Vestrand, W. T, Wren, J. A

“…We report the discovery of a 6 month long mid-infrared transient, SDWFS-MT-1 (aka SN 2007va), in the Spitzer Deep, Wide-Field Survey of the NOAO Deep…”
Get full text

Pre-discovery and Follow-up Observations of the Nearby SN 2009nr: Implications for Prompt Type Ia Supernovae by Khan, Rubab, Prieto, J. L, Pojmański, G, Stanek, K. Z, Beacom, J. F, Szczygiel, D. M, Pilecki, B, Mogren, K, Eastman, J. D, Martini, P, Stoll, R

“…We present photometric and spectroscopic observations of the Type Ia supernova SN 2009nr in UGC 8255 (z = 0.0122). Following the discovery announcement at what…”
Get full text

SN 2008jb: A "LOST" CORE-COLLAPSE SUPERNOVA IN A STAR-FORMING DWARF GALAXY AT ~10 Mpc by Prieto, J L, Lee, J C, Drake, A J, McNaught, R, GARRADD, G, Beacom, J F, BESHORE, E, Catelan, M, Djorgovski, S G, Pojmanski, G, Stanek, K Z, Szczygiel, D M

“…We present the discovery and follow-up observations of SN 2008jb, a core-collapse supernova in the southern dwarf irregular galaxy ESO 302-14 at 9.6Mpc. This…”
Get full text

THE YOUNG AND BRIGHT TYPE IA SUPERNOVA ASASSN-14lp: DISCOVERY, EARLY-TIME OBSERVATIONS, FIRST-LIGHT TIME, DISTANCE TO NGC 4666, AND PROGENITOR CONSTRAINTS by Shappee, B. J., Piro, A. L., Holoien, T. W.-S., Prieto, J. L., Contreras, C., Itagaki, K., Burns, C. R., Kochanek, C. S., Stanek, K. Z., Alper, E., Basu, U., Beacom, J. F., Bersier, D., Brimacombe, J., Conseil, E., Danilet, A. B., Dong, Subo, Falco, E., Grupe, D., Hsiao, E. Y., Kiyota, S., Morrell, N., Nicolas, J., Phillips, M. M., Pojmanski, G., Simonian, G., Stritzinger, M., Szczygie, D. M., Taddia, F., Thompson, T. A., Thorstensen, J., Wagner, M. R., Wo niak, P. R.

“…ABSTRACT On 2014 December 9.61, the All-sky Automated Survey for SuperNovae (ASAS-SN or "Assassin") discovered ASASSN-14lp just ∼2 days after first light using…”
Get full text

SN 2010jl in UGC 5189: Yet Another Luminous Type IIn Supernova in a Metal-poor Galaxy by Stoll, R, Prieto, J. L, Stanek, K. Z, Pogge, R. W, Szczygieł, D. M, Pojmański, G, Antognini, J, Yan, H

“…We present All-Sky Automated Survey data starting 25 days before the discovery of the recent type IIn SN 2010jl, and we compare its light curve to other…”
Get full text

THE STRUCTURE OF THE BROAD-LINE REGION IN ACTIVE GALACTIC NUCLEI. I. RECONSTRUCTED VELOCITY-DELAY MAPS by Grier, C. J., Peterson, B. M., Horne, Keith, Bentz, M. C., Pogge, R. W., Denney, K. D., De Rosa, G., Martini, Paul, Kochanek, C. S., Zu, Y., Shappee, B., Siverd, R., Beatty, T. G., Sergeev, S. G., Kaspi, S., Salvo, C. Araya, Bird, J. C., Bord, D. J., Borman, G. A., Che, X., Chen, C., Cohen, S. A., Dietrich, M., Doroshenko, V. T., Efimov, Yu. S., Free, N., Ginsburg, I., Henderson, C. B., King, A. L., Mogren, K., Molina, M., Mosquera, A. M., Nazarov, S. V., Okhmat, D. N., Pejcha, O., Rafter, S., Shields, J. C., Skowron, J., Szczygiel, D. M., Valluri, M., van Saders, J. L.

Get full text