2021ApJ...907..104B

Query : 2021ApJ...907..104B

2021ApJ...907..104B - Astrophys. J., 907, 104-104 (2021/February-1)

The decline and fall of the youngest planetary nebula.

BALICK B., GUERRERO M.A. and RAMOS-LARIOS G.

Abstract (from CDS):

The Stingray Nebula, a.k.a. Hen3-1357, appeared for the first time in 1990 when bright nebular lines and radio emission that had not been observed before were unexpectedly discovered. In the ensuing years, the nebula faded precipitously. We report changes in shape and large decreases in its nebular emission-line fluxes based on well-calibrated images obtained by the Hubble Space Telescope in 1996 and 2016. Hen3-1357 is now a "recombination nebula."

Abstract Copyright: © 2021. The American Astronomical Society. All rights reserved.

Journal keyword(s): Post-asymptotic giant branch stars - Planetary nebulae - Ionization

Simbad objects: 13

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Number of rows : 13
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 PG 0057+155 HS* 00 59 56.6673699744 +15 44 13.740284580   12.02 12.32     sdB0.2VIIIpHe8 134 1
2 SMP LMC 64 pA* 05 27 35.6519960256 -69 08 56.376548880 15.897 16.651 16.408   15.563 ~ 37 0
3 PN K 2-2 PN 06 52 23.1654838296 +09 57 55.772161416   13.977 14.263 14.390 14.553 sdO 78 0
4 PN My 59 PN 10 23 09.1381004472 -60 32 42.103742784           O(H)7-9I 136 2
5 HD 121540 * 13 56 58.3979133936 -41 53 26.182463640   9.58 8.51     K0III 14 1
6 CD-59 6479 PN 17 16 21.0591001224 -59 29 23.383608324 10.03   12.279 12.704   B3e 144 0
7 V* V4334 Sgr CV* 17 52 32.69352 -17 41 08.0160           F2Ia 390 0
8 IRAS 17514-1555 PN 17 54 21.13104 -15 55 52.0032           [WC11] 110 0
9 PN A66 58 PN 19 18 20.476 +01 46 59.62           [WC4] 327 0
10 PN HDW 11 PN 19 31 07.2261690827 -03 42 32.273784585     16.6     ~ 37 0
11 Hen 1-5 pA* 20 11 56.0595568008 +20 20 04.420944132 11.41 10.66 9.45     G8/K0Iae 523 0
12 WD 2218+706 WD* 22 19 33.6826662264 +70 56 03.182775504   15.268 15.495 15.568 15.631 DA.7 78 1
13 GD 561 WD* 23 45 02.2994571480 +80 56 59.720782524   14.32 14.59 14.87   DAO.7 50 0

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