Observations of the Optical Counterpart to XTE J1118+480 during Outburst by the Robotic Optical Transient Search Experiment I Telescope

2001 ◽  
Vol 557 (2) ◽  
pp. L97-L100 ◽  
Author(s):  
J. Wren ◽  
C. Akerlof ◽  
R. Balsano ◽  
J. Bloch ◽  
K. Borozdin ◽  
...  
Keyword(s):  
Optical Counterpart ◽  
Search Experiment ◽  
Optical Transient

scholarly journals Gamma ray burst optical counterpart search experiment (GROCSE)

1996 ◽  
Author(s):  
Hye-Sook Park ◽  
Elden Ables ◽  
Richard M. Bionta ◽  
Linda Ott ◽  
Eric Parker ◽  
...  
Keyword(s):  
Gamma Ray ◽  
Optical Counterpart ◽  
Gamma Ray Burst ◽  
Search Experiment

scholarly journals Super-LOTIS a high-sensitive optical counterpart search experiment

1998 ◽  
Author(s):  
H. S. Park ◽  
E. Ables ◽  
D. L. Band ◽  
S. D. Barthelmy ◽  
R. M. Bionta ◽  
...  
Keyword(s):  
Optical Counterpart ◽  
Search Experiment

scholarly journals A Study on W Ursae Majoris-Type Systems Recognised by the ROTSE-IIId Experiment

2013 ◽  
Vol 30 ◽  
Author(s):  
D. Çoker ◽  
S. Özdemir ◽  
C. Yeşilyaprak ◽  
S. K. Yerli ◽  
N. Aksaker ◽  
...  
Keyword(s):  
Type Systems ◽  
Light Curves ◽  
Geometrical Parameters ◽  
Mass Ratio ◽  
Orbital Inclination ◽  
Fourier Decomposition ◽  
Search Experiment ◽  
Orbital Periods ◽  
The Fourier Transform ◽  
Optical Transient

AbstractWe present a study on characterising the light curves of W UMa-type systems gathered from the archive containing 5 years of data observed with the Robotic Optical Transient Search Experiment Telescope (ROTSE-IIId) located in Turkey. A sample of 45 W UMa-type systems was studied on the basis of Fourier decomposition of light curves and some basic geometrical parameters, namely degree of contact (f), mass ratio (q), and orbital inclination (i), as approximated values for these systems were determined. Moreover, methods based on the Fourier transform technique were applied to the discrete data to determine the orbital periods of those systems. Preliminary estimates for the system parameters were presented and compared with the values available in the literature.

Results from the USNO quiescent optical counterpart search of IPN[sup 3] GRB and optical transient localizations

1996 ◽  
Author(s):  
Christian B. Luginbuhl ◽  
Frederick J. Vrba ◽  
René Hudec ◽  
Dieter H. Hartmann ◽  
Kevin Hurley
Keyword(s):  
Optical Counterpart ◽  
Optical Transient

scholarly journals VTC J095517.5 + 690813: A radio transient from the accretion-induced collapse of a white dwarf?

2019 ◽  
Vol 490 (1) ◽  
pp. 1166-1170 ◽  
Author(s):  
Takashi J Moriya
Keyword(s):  
Radio Emission ◽  
White Dwarf ◽  
Optical Counterpart ◽  
Optical Transient

ABSTRACT I investigate the possibility that a recently reported radio transient in M81, VTC J095517.5 + 690813, was caused by the accretion-induced collapse of a white dwarf. It became bright in the radio, but no associated optical transient was discovered. An accretion-induced collapse is predicted to be radio-bright but optically faint, satisfying the observed properties. I compare the predicted radio emission from an accretion-induced collapse with that of VTC J095517.5 + 690813 and show that this object can be reasonably explained by an accretion-induced collapse. Although it is difficult to firmly conclude that VTC J095517.5 + 690813 is an accretion-induced collapse, my results show that radio-bright transients without an optical counterpart could be related to stellar deaths.

Real‐Time Optical Flux Limits from Gamma‐Ray Bursts Measured by the Gamma‐Ray Optical Counterpart Search Experiment

1997 ◽  
Vol 490 (1) ◽  
pp. 99-108 ◽  
Author(s):  
H. S. Park ◽  
E. Ables ◽  
D. L. Band ◽  
S. D. Barthelmy ◽  
R. M. Bionta ◽  
...  
Keyword(s):  
Real Time ◽  
Gamma Ray ◽  
Gamma Ray Bursts ◽  
Optical Counterpart ◽  
Search Experiment ◽  
Optical Flux

scholarly journals Gamma-ray optical counterpart search experiment (GROCSE)

1994 ◽  
Author(s):  
Carl Akerlof ◽  
Marco Fatuzzo ◽  
Brian Lee ◽  
Richard Bionta ◽  
Arno Ledebuhr ◽  
...  
Keyword(s):  
Gamma Ray ◽  
Optical Counterpart ◽  
Search Experiment

Results from Gamma-Ray Optical Counterpart Search Experiment: A Real Time Search for Gamma-Ray Burst Optical Counterparts

1997 ◽  
Vol 482 (2) ◽  
pp. L125-L129 ◽  
Author(s):  
Brian Lee ◽  
Carl Akerlof ◽  
David Band ◽  
Scott Barthelmy ◽  
Paul Butterworth ◽  
...  
Keyword(s):  
Real Time ◽  
Gamma Ray ◽  
Optical Counterpart ◽  
Gamma Ray Burst ◽  
Search Experiment

scholarly journals CN Com: a Typical RS Canum Venaticorum Star

1995 ◽  
Vol 151 ◽  
pp. 106-107
Author(s):  
G.A. Richter ◽  
J. Greiner
Keyword(s):  
Time Interval ◽  
Optical Counterpart ◽  
X Ray ◽  
Sky Survey ◽  
Error Circle

CN Com = CSV 6907 was dicovered by Romano (1958). First we note that the GCVS (and Simbad) coordinates are wrong by ≈2′. Using the finding chart of Romano (1958) and the APM data (digitized POSS), the correct coordinates of CN Com are R.A.(2000.0) = 12h19m47s.0, DEC(2000.0) = +16°30′50″.CN Com is only 8″ distant from the ROSAT X-ray source RX J1219.7+1630 detected during the All-Sky-Survey at a PSPC countrate of 0.022 cts/s. Due to the positional proximity and the absence of other optical objects brighter than 20rmm within the about 30″ error circle, CN Com is very probably the optical counterpart of RX J1219.7+1630.CN Com was investigated on some 600 photographic plates (Sonneberg astrographs 400/1600 mm and 400/2000 mm) of the fields 26 Com and 5 Com, covering the time interval from 1962 to 1994 (with only a very few plates from the years 1967-1974).

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