2013ApJ...774...99K

Query : 2013ApJ...774...99K

2013ApJ...774...99K - Astrophys. J., 774, 99 (2013/September-2)

A high-resolution spectroscopic search for the remaining donor for Tycho's supernova.

KERZENDORF W.E., YONG D., SCHMIDT B.P., SIMON J.D., JEFFERY C.S., ANDERSON J., PODSIADLOWSKI P., GAL-YAM A., SILVERMAN J.M., FILIPPENKO A.V., NOMOTO K., MURPHY S.J., BESSELL M.S., VENN K.A. and FOLEY R.J.

Abstract (from CDS):

In this paper, we report on our analysis using Hubble Space Telescope astrometry and Keck-I HIRES spectroscopy of the central six stars of Tycho's supernova remnant (SN 1572). With these data, we measured the proper motions, radial velocities, rotational velocities, and chemical abundances of these objects. Regarding the chemical abundances, we do not confirm the unusually high [Ni/Fe] ratio previously reported for Tycho-G. Rather, we find that for all metrics in all stars, none exhibit the characteristics expected from traditional Type Ia supernova single-degenerate-scenario calculations. The only possible exception is Tycho-B, a rare, metal-poor A-type star; however, we are unable to find a suitable scenario for it. Thus, we suggest that SN 1572 cannot be explained by the standard single-degenerate model.

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Journal keyword(s): ISM: supernova remnants - supernovae: individual: SN1572

Nomenclature: Table 2: [KYS2013] Tycho N (Nos 1-2).

Simbad objects: 28

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Number of rows : 28
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 [RCM2004] Tycho S * 00 25 13.7901817848 +64 08 34.493356464           ~ 4 0
2 [RCM2004] Tycho T * 00 25 14.6038954488 +64 07 55.087591404           ~ 4 0
3 2MASS J00251472+6408280 * 00 25 14.7442423008 +64 08 28.145978412   19.6 18.3     G0V 5 0
4 [RCM2004] Tycho Q * 00 25 14.8220943480 +64 08 34.209072204           ~ 4 0
5 [RCM2004] Tycho J * 00 25 15.0926245800 +64 08 05.945758296   21.2 19.7     K1V 5 0
6 [RCM2004] Tycho R * 00 25 15.520 +64 08 35.44           ~ 4 0
7 [KYS2013] Tycho 1 * 00 25 16.66 +64 08 12.5           ~ 1 0
8 2MASS J00251709+6408309 * 00 25 17.1117884064 +64 08 30.982841484   19.0 17.7     F4V 7 0
9 [RCM2004] Tycho E * 00 25 18.2968087008 +64 08 16.120239792   21.2 19.8     F8V 14 0
10 2MASS J00251925+6407379 * 00 25 19.2592756704 +64 07 38.020340028   19.0 17.7     ~ 4 0
11 [RCM2004] Tycho A * 00 25 19.7484344808 +64 08 19.884575976   14.8 13.3     K0/K1III 8 0
12 [RCM2004] Tycho A2 * 00 25 19.81 +64 08 20.0           ~ 1 0
13 [RCM2004] Tycho B * 00 25 19.9852824456 +64 08 17.185626600   16.4 15.4     A8/A9V 13 0
14 2MASS J00252041+6408122 * 00 25 20.41 +64 08 12.2           ~ 4 0
15 [RCM2004] Tycho D * 00 25 20.6377944552 +64 08 10.868592048   23.0 20.7     M1V 7 0
16 SN 1572A SN* 00 25 21.5 +64 08 27           B8 1254 1
17 [KSA2009] HP-1 PM* 00 25 22.4063219976 +64 07 32.471404752       19.81   ~ 4 0
18 2MASS J00252358+6408019 * 00 25 23.5957846224 +64 08 02.029723764   20.1 18.7     F8V 52 0
19 [RCM2004] Tycho K * 00 25 23.9004590592 +64 08 39.312402972   21.6 20.1     F9III 5 0
20 [RCM2004] Tycho L * 00 25 24.3171464136 +64 08 40.525288332           ~ 3 0
21 * ome01 Tau PM* 04 09 09.9660201816 +19 36 33.181657128   6.581 5.504     K2III 130 0
22 SN 1991bg SN* 12 25 03.70 +12 52 15.6   14.75 14.3     SNIapec 612 1
23 SN 2011fe SN* 14 03 05.711 +54 16 25.22   10.12 10.06     SNIa-norm 747 1
24 * alf Boo RG* 14 15 39.67207 +19 10 56.6730 2.46 1.18 -0.05 -1.03 -1.68 K1.5IIIFe-0.5 2417 1
25 NAME Lupus SN SNR 15 02 22.1 -42 05 49           ~ 1407 1
26 V* V2213 Oph BY* 17 05 16.8186610814 +00 42 09.221511649   6.59   5.6   F8.5IV-V 352 0
27 NAME Kepler's SN SNR 17 30 40.51 -21 29 14.4           ~ 851 3
28 HD 171391 PM* 18 35 02.3926287840 -10 58 37.942910580   6.027 5.119     G8II/III 140 0

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