2015ApJ...812L..29D

Query : 2015ApJ...812L..29D

2015ApJ...812L..29D - Astrophys. J., 812, L29 (2015/October-3)

The VVV survey reveals classical cepheids tracing a young and thin stellar disk across the galaxy's bulge.

DEKANY I., MINNITI D., MAJAESS D., ZOCCALI M., HAJDU G., ALONSO-GARCIA J., CATELAN M., GIEREN W. and BORISSOVA J.

Abstract (from CDS):

Solid insight into the physics of the inner Milky Way is key to understanding our Galaxy's evolution, but extreme dust obscuration has historically hindered efforts to map the area along the Galactic mid-plane. New comprehensive near-infrared time-series photometry from the VVV Survey has revealed 35 classical Cepheids, tracing a previously unobserved component of the inner Galaxy, namely a ubiquitous inner thin disk of young stars along the Galactic mid-plane, traversing across the bulge. The discovered period (age) spread of these classical Cepheids implies a continuous supply of newly formed stars in the central region of the Galaxy over the last 100 million years.

Abstract Copyright: ∼

Journal keyword(s): Galaxy: bulge - Galaxy: disk - Galaxy: general - Galaxy: stellar content - stars: variables: Cepheids

Nomenclature: Table 1: [DMM2015] NN (Nos 1-35).

Simbad objects: 43

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Number of rows : 43
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 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
2 2MASS J17201463-3711159 cC* 17 20 14.635 -37 11 15.99           ~ 6 0
3 [DMM2015] 2 cC* 17 21 16.05 -36 43 25.2           ~ 5 0
4 [ABB2014] WISE G350.769-00.079 bub 17 22 00.6 -36 43 41           ~ 5 0
5 [DMM2015] 27 cC* 17 22 10.10 -36 44 18.8           ~ 5 0
6 [DMM2015] 1 cC* 17 22 23.24 -36 21 41.5           ~ 5 0
7 [DMM2015] 5 cC* 17 25 29.70 -34 45 45.9           ~ 5 0
8 [DMM2015] 28 cC* 17 26 00.10 -35 15 15.0           ~ 5 0
9 [MFB2016] 4 cC* 17 26 34.72 -35 16 24.1           ~ 7 0
10 VVV J172643.40-345825.65 cC* 17 26 43.41 -34 58 25.6           ~ 6 0
11 [DMM2015] 7 cC* 17 26 54.24 -35 01 08.2           ~ 6 0
12 [DMM2015] 9 cC* 17 28 15.86 -34 32 27.2           ~ 5 0
13 DOBASHI 7236 DNe 17 28 53.1 -34 40 35           ~ 2 1
14 [DMM2015] 8 cC* 17 30 46.64 -34 09 04.4           ~ 5 0
15 2MASS J17321405-3323589 cC* 17 32 14.060 -33 23 58.97           ~ 6 0
16 [DMM2015] 11 cC* 17 36 44.46 -32 04 38.6           ~ 5 0
17 [DMM2015] 10 cC* 17 38 42.96 -31 44 55.7           ~ 5 0
18 [DMM2015] 31 cC* 17 40 24.58 -31 01 32.9           ~ 5 0
19 [DMM2015] 13 cC* 17 40 25.15 -31 04 50.5           ~ 4 0
20 [DMM2015] 12 cC* 17 40 41.72 -30 48 46.9           ~ 5 0
21 [DMM2015] 30 cC* 17 40 51.51 -30 24 53.2           ~ 5 0
22 [DMM2015] 15 cC* 17 41 15.13 -30 07 17.7           ~ 5 0
23 [DMM2015] 14 cC* 17 42 20.00 -30 14 50.7           ~ 6 0
24 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
25 [DMM2015] 18 cC* 17 49 41.42 -27 27 14.6           ~ 6 0
26 [DMM2015] 32 cC* 17 50 17.54 -27 08 13.3           ~ 5 0
27 2MASS J17503049-2713464 cC* 17 50 30.496 -27 13 46.45           ~ 6 0
28 [DMM2015] 16 cC* 17 51 05.72 -26 38 18.3           ~ 5 0
29 2MASS J17511373-2648560 cC* 17 51 13.739 -26 48 56.01           ~ 6 0
30 [ABB2014] WISE G002.773+00.107 bub 17 51 40.1 -26 30 18           ~ 4 0
31 [DMM2015] 22 cC* 17 51 43.80 -26 31 11.3           ~ 4 0
32 2MASS J17522167-2631193 cC* 17 52 21.672 -26 31 19.31           ~ 6 0
33 [DMM2015] 20 cC* 17 53 16.07 -26 28 26.9           ~ 4 0
34 SSTGLMC G003.9104+00.0010 Y*? 17 54 38.80128 -25 34 45.0444           ~ 2 0
35 2MASS J17544024-2534395 cC* 17 54 40.248 -25 34 39.51           ~ 6 0
36 [DMM2015] 33 cC* 17 55 24.20 -25 30 22.3           ~ 5 0
37 [DMM2015] 23 cC* 17 55 44.68 -25 00 30.2           ~ 5 0
38 [DMM2015] 35 cC* 17 56 01.96 -25 15 44.9           ~ 5 0
39 [DMM2015] 24 cC* 17 58 26.68 -23 52 08.3           ~ 5 0
40 [DMM2015] 25 cC* 18 03 31.12 -22 21 14.0           ~ 4 0
41 [DMM2015] 26 cC* 18 09 14.03 -20 03 21.4           ~ 5 0
42 NAME Galactic Bar reg ~ ~           ~ 1458 0
43 NAME Local Group GrG ~ ~           ~ 9325 0

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