2017ApJ...842..104T

Query : 2017ApJ...842..104T

2017ApJ...842..104T - Astrophys. J., 842, 104-104 (2017/June-3)

New classical cepheids in the inner part of the northern galactic disk, and their kinematics.

TANIOKA S., MATSUNAGA N., FUKUE K., INNO L., BONO G. and KOBAYASHI N.

Abstract (from CDS):

The characteristics of the inner Galaxy remain obscured by significant dust extinction, hence infrared surveys are useful for finding young Cepheids whose distances and ages can be accurately determined. A near-infrared photometric and spectroscopic survey was carried out and three classical Cepheids were unveiled in the inner disk, around 20° and 30° in Galactic longitude. The targets feature small Galactocentric distances, 3-5 kpc, and their velocities are important, as they may be under the environmental influence of the Galactic bar. While one of the Cepheids has a radial velocity consistent with the Galactic rotation, the other two are moving significantly slower. We also compare their kinematics with that of high-mass star-forming regions with measured parallactic distances.

Abstract Copyright: © 2017. The American Astronomical Society. All rights reserved.

Journal keyword(s): Galaxy: disk - Galaxy: kinematics and dynamics - stars: variables: Cepheids - stars: variables: Cepheids

Nomenclature: Table 1: [TMF2017] LpNNA (Nos Lp20A, Lp30A-Lp30B).

CDS comments: Table 5: the Star-forming Regions are from 2014ApJ...783..130R and are not in SIMBAD.

Simbad objects: 38

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Number of rows : 38
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 Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
2 NAME Sgr A* X 17 45 40.03599 -29 00 28.1699           ~ 4970 3
3 NAME Baade Window reg 18 03.5 -30 01           ~ 643 3
4 MMB G010.472+00.027 cor 18 08 38.2290 -19 51 50.262           ~ 83 1
5 [RMB2014] G010.62-00.38 Mas 18 10 28.5628 -19 55 48.738           ~ 6 0
6 OH 012.889+00.489 Mas 18 11 51.4450 -17 31 29.412           ~ 48 0
7 OH 012.03-00.04 Y*O 18 12 01.8400 -18 31 55.800           ~ 91 0
8 OH 012.68-00.18 Mas 18 13 54.7457 -18 01 46.588           ~ 49 0
9 [HC96] G11.94-0.62 1 Mas 18 13 58.1205 -18 54 20.278           ~ 13 0
10 GAL 012.90-00.24 Mas 18 14 34.4366 -17 51 51.891           ~ 13 0
11 [HC96] G13.87+0.28 1 Mas 18 14 35.8356 -16 45 35.869           ~ 5 0
12 W 33a Y*O 18 14 39.56547 -17 52 02.2260           ~ 746 0
13 IRAS 18134-1942 HII 18 16 22.1327 -19 41 27.219           ~ 72 0
14 [BE83] Maser 014.33-00.64 cor 18 18 54.6744 -16 47 50.264           ~ 24 0
15 [RMB2014] G014.63-00.57 Mas 18 19 15.5407 -16 29 45.786           ~ 4 0
16 OH 015.03-00.68 Mas 18 20 24.8111 -16 11 35.316           ~ 31 1
17 OH 016.59-00.05 Mas 18 21 09.0840 -14 31 48.556           ~ 85 0
18 [TMF2017] Lp20A Ce* 18 28 11.47 -11 37 32.4           ~ 2 0
19 Caswell CH3OH 023.010-00.411 Mas 18 34 40.2800 -09 00 38.360           ~ 20 0
20 IRAS 18321-0820 Y*O 18 34 51.5650 -08 18 21.305           ~ 52 0
21 [HMW2016] G023.706-00.198 Mas 18 35 12.3610 -08 17 39.530           ~ 7 0
22 OH 025.709+00.044 Mas 18 38 03.1450 -06 24 15.190           ~ 19 0
23 [HMW2016] G027.365-00.165 Mas 18 41 51.0570 -05 01 43.443           ~ 9 0
24 IRAS 18411-0338 Y*O 18 43 46.2233 -03 35 29.846           ~ 25 0
25 OGLE GD-CEP-1238 cC* 18 45 28.5554166504 -02 44 40.428150540         17.981 ~ 5 0
26 [TMF2017] Lp30B Ce* 18 45 48.01 -02 27 30.1           ~ 2 0
27 2MASS J18455955-0245061 Y*O 18 45 59.55792 -02 45 06.1740           ~ 15 0
28 [HMW2016] G029.955-00.016 Mas 18 46 03.7402 -02 39 22.328           ~ 9 0
29 [RMB2014] G031.28+00.06 Mas 18 48 12.3760 -01 26 28.778           ~ 7 0
30 [RMB2014] G031.58+00.07 Mas 18 48 41.6740 -01 09 59.774           ~ 6 0
31 [HMW2016] G032.044+00.059 Mas 18 49 36.5754 -00 45 45.539           ~ 10 0
32 [HMW2016] G033.641-00.227 Mas 18 53 32.5630 +00 31 39.100           ~ 8 0
33 Caswell OH 035.02+00.35 Mas 18 54 00.6576 +02 01 19.217           ~ 17 0
34 NAME Sgr Arm PoG 19 00 -30.0           ~ 710 1
35 NAME Outer Arm PoG 21 48 +69.4           ~ 370 0
36 NAME Galactic Bulge reg ~ ~           ~ 4794 0
37 NAME Scutum Spiral Arm PoG ~ ~           ~ 393 0
38 NAME Galactic Bar reg ~ ~           ~ 1458 0

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