Optical Photometry of V404 Cyg (=GS2023+338)

Details Optical Photometry of V404 Cyg (=GS2023+338) Optical Photometry of V404 Cyg (=GS2023+338)

Mar 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000atel...56....1w&link_type=abstract

The Astronomer's Telegram, #56

Astronomy and Astrophysics

Astronomy

Radio, Infra-Red, Optical, X-Ray, Binaries, Black Holes, Transients

Scientific paper

In response to the request by Hjellming et al. in ATEL #54, Rose Finn (Steward Observatory/U. Arizona) obtained for us two R-band CCD images of V404 Cyg (=GS2023+338) on 2000 Mar 3.52 UT with the Steward Observatory Bok 2.3-m telescope and direct CCD (scale = 0.3 arcsec/pixel, airmass = 1.8, seeing = 1.7 arcsec FWHM). Photometry of V404 Cyg was obtained with respect to the comparison stars C1, C4, and C5 of Udalski and Kaluzny (1991, PASP, 103, 198), Casares et al. (1993, MNRAS, 265, 834), and our own photometry of C1 (R = 12.39).

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