2025RNAAS...9..349P

Query : 2025RNAAS...9..349P

2025RNAAS...9..349P - Research Notes of the AAS, 9, 349 (2025/December-0)

The Nature of BZ Del: Variability Discovered.

PERETTO I., LORA S., SASSARO L., FURLATO G., PERETTO G., BARBIERI M., RIVATO W., LOPRESTI C., RUOCCO N., MADIAI G., BROSIO A., MONTIGIANI N., MANNUCCI M., AGNETTI D., SCARFI G. and BARBIERI L.

Abstract (from CDS):

The star BZ Del had been classified by the Variable Star Index as a suspected variable star. The variable stars section of the Unione Astrofili Italiani undertook an observation campaign between 2025 August and September using ground-based telescopes to determine its variability. Our study showed that BZ Del is an EA system formed by a pair of stars that eclipse each other with a period of 1.985984 days.

Abstract Copyright: © 2025. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Eclipsing binary stars - Binary stars - Algol variable stars

Simbad objects: 4

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Number of rows : 4
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 Gaia DR3 1802468684602069248 * 20 22 06.3159999655 +12 36 06.287437157           ~ 1 0
2 Gaia DR3 1802468688894104064 * 20 22 07.5270000612 +12 36 30.544280819           ~ 1 0
3 V* BZ Del EB* 20 22 18.8100570120 +12 36 05.008777236           ~ 6 0
4 Gaia DR3 1802473877214614528 * 20 22 20.3319946252 +12 37 03.089093800           ~ 1 0

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