2011A&A...532L..11M

Query : 2011A&A...532L..11M

2011A&A...532L..11M - Astronomy and Astrophysics, volume 532, L11-11 (2011/8-1)

U Scorpii 2010 outburst: observational evidence of an underlying ONeMg white dwarf.

MASON E.

Abstract (from CDS):

This paper presents USco nebular spectra collected in the period March-May 2010 after the binary outburst on Jan. 28, 2010. The spectra display strong [Nev] and [Neiii] lines that can be used to compute the relative abundance of [Ne/O]. The value obtained ([Ne/O]=1.69) is higher than the typical [Ne/O] abundance found in classical novae from CO progenitors and suggests that USco has a ONeMg white-dwarf progenitor. It follows that USco will not explode as a SNIa but rather collapse to become a neutron star or a millisecond pulsar.

Abstract Copyright: ∼

Journal keyword(s): novae, cataclysmic variables - stars: individual: U Sco

Errata: + corrigendum vol. 556, p. C2 (2013)

Simbad objects: 32

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Number of rows : 32
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 12651 1
2 LMCN 1991-04a No* 05 03 44.96 -70 18 13.5           ~ 62 0
3 LMCN 1990-01a No* 05 23 21.79 -69 29 48.4           ~ 61 0
4 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 17438 0
5 V* RR Pic No* 06 35 36.0630266144 -62 38 24.291214934   12.407 12.449 12.675 12.385 ~ 350 0
6 V* T Pyx CV* 09 04 41.5061511720 -32 22 47.502932700           ~ 440 0
7 V* V382 Vel No* 10 44 48.3975221712 -52 25 31.168268472   15.945 15.737 16.173   ~ 192 0
8 V* V1065 Cen No* 11 43 10.121 -58 04 04.08       18.4   ~ 45 0
9 V* GQ Mus No* 11 52 02.4296561952 -67 12 20.986391520           ~ 264 0
10 V* V842 Cen No* 14 35 52.5683885352 -57 37 35.391092232           ~ 146 0
11 NAME Upper Sco Association As* 16 12 -23.4           ~ 1369 1
12 V* U Sco CV* 16 22 30.7791646104 -17 52 43.166822628           F8+K2 549 0
13 CD-38 10980 WD* 16 23 33.8380498896 -39 13 46.161043572 9.916 10.885 11.029 10.936 10.841 DA2 483 0
14 HD 151395 * 16 48 24.6565103664 -31 12 13.200052572   6.76 6.81     B4V 26 0
15 V* V2214 Oph No* 17 12 01.6941423448 -29 37 32.782241938           ~ 85 0
16 V* V1186 Sco CV* 17 12 51.2672500922 -30 56 37.699681585           ~ 42 0
17 V* RS Oph Sy* 17 50 13.1591484960 -06 42 28.480729788   11.884 10.776 11.228   K5.5/M0IIIe 1090 0
18 V* V977 Sco CV* 17 51 50.3646327864 -32 31 57.478406412           ~ 56 0
19 V* V463 CrA RR* 18 00 47.2771831152 -42 03 58.283931312         14.097 ~ 8 0
20 V* V4160 Sgr No* 18 14 13.83 -32 12 28.5           ~ 66 0
21 V* V693 CrA No* 18 41 57.8 -37 31 14           ~ 121 0
22 V* V827 Her No* 18 43 42.59 +15 19 18.9           ~ 79 0
23 V* V838 Her No* 18 46 31.4714863335 +12 14 02.104189516           ~ 297 0
24 V* V443 Sct No* 18 49 38.95 -06 11 15.9           ~ 72 0
25 V* QV Vul No* 19 04 40.2842064624 +21 46 14.155475808           ~ 116 0
26 V* V1370 Aql No* 19 23 21.2448589896 +02 29 26.326100040           ~ 167 0
27 V* PW Vul CV* 19 26 05.0526411168 +27 21 58.133941164           ~ 201 0
28 V* V1688 Cyg Mi* 20 21 26.7326553456 +41 32 35.982500784           ~ 7 0
29 V* QU Vul No* 20 26 46.0200167016 +27 50 43.163406959           ~ 263 0
30 V* V1974 Cyg No* 20 30 31.6546001712 +52 37 50.837478240           ~ 579 0
31 V* HR Del No* 20 42 20.3468874528 +19 09 39.305636208   12.380 12.404 12.508   ~ 501 0
32 V* V1500 Cyg No* 21 11 36.5809818696 +48 09 01.952490204           ~ 794 0

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