2002ApJ...572..288E

Query : 2002ApJ...572..288E

2002ApJ...572..288E - Astrophys. J., 572, 288-299 (2002/June-2)

An infrared ring nebula around MSX5C G358.5391+00.1305: the true nature of suspected planetary nebula Wray 17-96 determined via direct imaging and spectroscopy.

EGAN M.P., CLARK J.S., MIZUNO D.R., CAREY S.J., STEELE I.A. and PRICE S.D.

Abstract (from CDS):

The Midcourse Space Experiment (MSX) Galactic plane survey discovered a nearly perfectly circular ring nebula around the suspected planetary nebula Wray 17-96. Using near-IR spectral typing and modeling of the mid-IR nebula, we find that Wray 17-96 is more likely a candidate to be a luminous blue variable (LBV) surrounded by a large spherical ejecta shell. It is very similar to the G79.29+0.46 LBV candidate in Cygnus and the Pistol Star. The K-band spectrum and the mid-IR data indicate a stellar temperature of 13,000 K. The most likely distance to the source is 4.5 kpc, leading to a luminosity of 1.8x106 L☉. We suggest that the nebula consists of multiple shells and that an evolution from oxygen-rich to carbon-rich chemistry may be indicated.

Abstract Copyright: ∼

Journal keyword(s): Infrared: Stars - ISM: Planetary Nebulae: Individual: Alphanumeric: Wray 17-96 - Stars: Evolution - Stars: Variables: Other

CDS comments: p. 291 : Wray 751 = Wray 15-751, PKS 1729-37 not identified, 3.5 cm point source = EQ J1741-3006

Simbad objects: 17

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Number of rows : 17
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 HD 269006 s*b 05 02 07.3942092168 -71 20 13.116800076 9.93 10.60 10.55 10.43 10.38 LBV 261 0
2 HD 90177 s*b 10 22 53.8430096928 -59 37 28.363616256 9.16 9.66 8 8.15   LBV 342 0
3 WRAY 15-682 WR* 10 53 59.5777329720 -60 26 44.361095316   11.64 10.85 10.56   WN11h 155 3
4 V* AG Car WR* 10 56 11.5781414448 -60 27 12.810673260 7.00 7.57 6.96 7.73   WN11h 649 0
5 MR 35 s*b 11 08 40.0634208096 -60 42 51.721320060   12.33 10.20 11.66   LBV 130 0
6 [B61] 2 s*b 17 41 35.4358256400 -30 06 38.782127520   18.0 15.00 14.23 10.30 LBV_B[e]: 46 0
7 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
8 NAME Quintuplet Cluster OpC 17 46 13.9 -28 49 48           ~ 561 0
9 [FMM95] 3 s*b 17 46 15.240 -28 50 03.58           LBV 151 1
10 [GMC99] D6 s*b 17 46 17.982 -28 49 03.46           LBV 66 0
11 HD 316285 s*b 17 48 14.0372119152 -28 00 53.121269592 11.88 11.27 9.60 9.28   B0Ieq 197 2
12 [KMN95] Star A s*b 18 08 40.312 -20 24 41.14           LBV 43 3
13 HD 168625 s*b 18 21 19.5484021368 -16 22 26.075142156 10.15 9.78 8.37 8.76   B8Ia+ 293 2
14 IRAS 18576+0341 s*b 19 00 10.89456 +03 45 47.1096           B8I 87 0
15 ICRF J193925.0-634245 Sy2 19 39 25.0245304992 -63 42 45.640373400   18.87 18.37 17.64   ~ 1332 2
16 * P Cyg s*b 20 17 47.2019733389 +38 01 58.549132671 4.66 5.24 4.82 4.28 4.02 B1-2Ia-0ep 1200 1
17 IRAS 20298+4011 LP? 20 31 42.2846664600 +40 21 59.074415640       15.384   B:I[e] 98 0

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