2001ApJ...551L..89G

Query : 2001ApJ...551L..89G

2001ApJ...551L..89G - Astrophys. J., 551, L89-L92 (2001/April-2)

Evolution of spiral shocks in U Geminorum during outburst.

GROOT P.J.

Abstract (from CDS):

Time-resolved spectroscopic observations of U Geminorum during its 2000 March outburst show strong spiral shocks in the accretion disk. During the plateau at maximum brightness, the spiral shocks contribute ∼14% to the total He II flux. The two arms of the spiral show a distinctly different evolution during the outburst and decline, which indicates an asymmetric evolution in the disk.

Abstract Copyright: ∼

Journal keyword(s): Accretion, Accretion Disks - Line: Profiles - Stars: Novae, Cataclysmic Variables - Shock Waves - Stars: Individual: Constellation Name: U Geminorum

Simbad objects: 3

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Number of rows : 3
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 Gem CV* 07 55 05.2324414746 +22 00 05.044127985   15.3 14.54     DA 1135 0
2 V* EX Dra No* 18 04 14.2485669582 +67 54 12.273781393   14.775 14.479 14.490   ~ 135 0
3 V* IP Peg CV* 23 23 08.5362249504 +18 24 59.206884012           M2 395 0

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