2010IAUC.9114....1W

Query : 2010IAUC.9114....1W

2010IAUC.9114....1W - IAU Circ., 9114, 1 (2010/February-0)

U Scorpii.

WORTERS H.L., EYRES S.P.S., RUSHTON M.T. and SCHAEFER B.

Abstract (from CDS):

H. L. Worters, South African Astronomical Observatory (SAAO); S. P. S. Eyres and M. T. Rushton, University of Central Lancashire; and B. Schaefer, Louisiana State University, report that the resumption of optical flickering in the recurrent nova U Sco was detected on Feb. 5.174-5.222 UT, only eight days after the most recent outburst (Jan. 28.4743 UT; cf. IAUC 9111). Flickering was not apparent in any of the observations on each night from Jan. 29 to Feb. 3 with the SAAO 1.9-m telescope and CCD camera. The amplitude of flickering is around 0.2 mag over the course of an hour, consistent with accretion resuming in the system. This means that the ejecta are now becoming optically thin, and an accretion disk has already been re-established, placing a lower limit of 7 days on this event. Further observations are urged to follow development of this rapidly changing recurrent nova, including characterizing eclipses that should now be visible again.

Abstract Copyright: ∼

Journal keyword(s):

Status at CDS : Objects in title, abstract, text, figures, and all or part of small table(s) being processed in SIMBAD.

Simbad objects: 1

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Number of rows : 1

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	V* U Sco	CV*	16 22 30.7791646104	-17 52 43.166822628						F8+K2	592	0

Query : 2010IAUC.9114....1W

Basic data :

V* U Sco -- Cataclysmic Binary

CV* (2012A&A), V* (V*,AAVSO), * (BD,Gaia), MIR (WISEA,WISE), EB* (2012MNRAS), NIR (2MASS)

16 22 30.7791646104 -17 52 43.166822628 (Optical) [ 0.1317 0.0647 90 ] A 2020yCat.1350....0G

16 19 37.4939031699 -17 45 43.406660709 [ 0.1317 0.0647 90 ]

357.6685423446552 +21.8687006597922 [ 0.1317 0.0647 90 ]

-0.380 -7.591 [0.202 0.144 90] A 2020yCat.1350....0G

F8+K2 D 2011A&A...526A..83K

G 18.1704 [0.0156] C 2018yCat.1345....0G

J 16.792 [0.134] D 2003yCat.2246....0C

H 16.387 [0.189] D 2003yCat.2246....0C

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`BD-17 4554`	`NOVA Sco 1987`	`NOVA Sco 1999`	`WISE J162230.78-175243.0`
`2MASS J16223079-1752431`	`NOVA Sco 1969`	`TIC 413482626`	`AAVSO 1616-17`
`NOVA Sco 1863`	`NOVA Sco 1936`	*`V U Sco`**	`Gaia DR3 6246188565119443072`
`NOVA Sco 1979`	`NOVA Sco 1945`	`WISEA J162230.80-175243.2`	`Gaia DR2 6246188565119443072`

References (592 between 1850 and 2026) (Total 592)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).

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`BD-17 4554`	`2MASS J16223079-1752431`	*`V U Sco`**	`WISEA J162230.80-175243.2`	`WISE J162230.78-175243.0`
`Gaia DR3 6246188565119443072`	`Gaia DR2 6246188565119443072`

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