Search Results - "Pojmanski, G"

Optical, UV, and X-ray evidence for a 7-yr stellar cycle in Proxima Centauri by Wargelin, B J, Saar, S H, Pojmanski, G, Drake, J J, Kashyap, V L

“…Stars of stellar type later than about M3.5 are believed to be fully convective and therefore unable to support magnetic dynamos like the one that produces the…”
Get full text

The ASAS-SN catalogue of variable stars I: The Serendipitous Survey by Jayasinghe, T, Kochanek, C S, Stanek, K Z, Shappee, B J, Holoien, T W-S, Thompson, Toda A, Prieto, J L, Dong, Subo, Pawlak, M, Shields, J V, Pojmanski, G, Otero, S, Britt, C A, Will, D

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

The ASAS-SN Catalog of Variable Stars II: Uniform Classification of 412,000 Known Variables by Jayasinghe, T, Stanek, K Z, Kochanek, C S, Shappee, B J, Holoien, T W-S, Thompson, Todd A, Prieto, J L, Dong, Subo, Pawlak, M, Pejcha, O, Shields, J V, Pojmanski, G, Otero, S, Britt, C A, Will, D

Get full text

The ASAS-SN catalogue of variable stars III: variables in the southern TESS continuous viewing zone by Jayasinghe, T, Stanek, K Z, Kochanek, C S, Shappee, B J, Holoien, T W-S, Thompson, Todd A, Prieto, J L, Dong, Subo, Pawlak, M, Pejcha, O, Shields, J V, Pojmanski, G, Otero, S, Hurst, N, Britt, C A, Will, D

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

The ASAS-SN catalogue of variable stars IX: The spectroscopic properties of Galactic variable stars by Jayasinghe, T, Kochanek, C S, Stanek, K Z, Shappee, B J, Holoien, T W-S, Thompson, Todd A, Prieto, J L, Dong, Subo, Pawlak, M, Pejcha, O, Pojmanski, G, Otero, S, Hurst, N, Will, D

“…ABSTRACT The All-Sky Automated Survey for Supernovae provides long baseline (∼4 yr) V-band light curves for sources brighter than V≲ 17 mag across the whole…”
Get full text

The ASAS-SN catalogue of variable stars – V. Variables in the Southern hemisphere by Jayasinghe, T, Stanek, K Z, Kochanek, C S, Shappee, B J, Holoien, T W-S, Thompson, T A, Prieto, J L, Dong, S, Pawlak, M, Pejcha, O, Shields, J V, Pojmanski, G, Otero, S, Hurst, N, Britt, C A, Will, D

“…ABSTRACT The All-Sky Automated Survey for Supernovae (ASAS-SN) provides long baseline (∼4 yr) light curves for sources brighter than V ≲ 17 mag across the…”
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

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

Orbital and physical parameters of eclipsing binaries from the ASAS catalogue – VIII. The totally eclipsing double-giant system HD 187669 by Hełminiak, K. G., Graczyk, D., Konacki, M., Pilecki, B., Ratajczak, M., Pietrzyński, G., Sybilski, P., Villanova, S., Gieren, W., Pojmański, G., Konorski, P., Suchomska, K., Reichart, D. E., Ivarsen, K. M., Haislip, J. B., LaCluyze, A. P.

“…We present the first full orbital and physical analysis of HD 187669, recognized by the All-Sky Automated Survey (ASAS) as the eclipsing binary ASAS…”
Get full text

ASASSN-15oi: a rapidly evolving, luminous tidal disruption event at 216 Mpc by Holoien, T W-S, Kochanek, C S, Prieto, J L, Grupe, D, Chen, Ping, Godoy-Rivera, D, Stanek, K Z, Shappee, B J, Dong, Subo, Brown, J S, Basu, U, Beacom, J F, Bersier, D, Brimacombe, J, Carlson, E K, Falco, E, Johnston, E, Madore, B F, Pojmanski, G, Seibert, M

“…We present ground-based and Swift photometric and spectroscopic observations of the tidal disruption event (TDE) ASASSN-15oi, discovered at the centre of 2MASX…”
Get full text

The ASAS-SN catalogue of variable stars – VII. Contact binaries are different above and below the Kraft break by Jayasinghe, T, Stanek, K Z, Kochanek, C S, Shappee, B J, Pinsonneault, M H, Holoien, T W-S, Thompson, Todd A, Prieto, J L, Pawlak, M, Pejcha, O, Pojmanski, G, Otero, S, Hurst, N, Will, D

“…ABSTRACT We characterize ${\sim } 71\, 200$ W Ursae Majoris (UMa) type (EW) contact binaries, including ${\sim } 12\, 600$ new discoveries, using All-Sky…”
Get full text

The ASAS-SN catalogue of variable stars – IV. Periodic variables in the APOGEE survey by Pawlak, Michał, Pejcha, O, Jakubčík, P, Jayasinghe, T, Kochanek, C S, Stanek, K Z, Shappee, B J, Holoien, T W-S, Thompson, Todd A, Prieto, J L, Dong, S, Shields, J V, Pojmanski, G, Britt, C A, Will, D

“…ABSTRACT We explore the synergy between photometric and spectroscopic surveys by searching for periodic variable stars among the targets observed by the Apache…”
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

Where Is the Flux Going? The Long-term Photometric Variability of Boyajian's Star by Simon, Joshua D., Shappee, Benjamin J., Pojma ski, G., Montet, Benjamin T., Kochanek, C. S., van Saders, Jennifer, Holoien, T. W.-S., Henden, Arne A.

“…We present ∼800 days of photometric monitoring of Boyajian's Star (KIC 8462852) from the All-Sky Automated Survey for Supernovae (ASAS-SN) and ∼4000 days of…”
Get full text

The ASAS-SN bright supernova catalogue – I. 2013–2014 by Holoien, T W-S, Stanek, K Z, Kochanek, C S, Shappee, B J, Prieto, J L, Brimacombe, J, Bersier, D, Bishop, D W, Dong, Subo, Brown, J S, Danilet, A B, Simonian, G V, Basu, U, Beacom, J F, Falco, E, Pojmanski, G, Skowron, D M, Wozniak, P R, Avila, C G, Conseil, E, Contreras, C, Cruz, I, Fernandez, J M, Koff, R A, Guo, Zhen, Herczeg, G J, Hissong, J, Hsiao, E Y, Jose, J, Kiyota, S, Long, Feng, Monard, L AG, Nicholls, B, Nicolas, J, Wiethoff, W S

“…We present basic statistics for all supernovae discovered by the All-Sky Automated Survey for SuperNovae (ASAS-SN) during its first year-and-a-half of…”
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

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

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