2024AJ....168..136R

Query : 2024AJ....168..136R

2024AJ....168..136R - Astron. J., 168, 136 (2024/September-0)

Peering into the Heart of the Giant Molecular Cloud G148.24+00.41: A Deep Near-infrared View of the Newly Hatched Cluster FSR 655.

RAWAT V., SAMAL M.R., OJHA D.K., KUMAR B., SHARMA S., JOSE J., SAGAR R. and YADAV R.K.

Abstract (from CDS):

We present a detailed near-infrared study of an embedded cluster located in the hub of the giant molecular cloud G148.24+00.41 of mass ∼105M⊙, with the TANSPEC instrument mounted on the 3.6 m Devasthal Optical Telescope. The hub is located near the geometric center of the cloud and represents its most massive clump. We studied the central 2 pc × 2 pc area of the hub with 5σ limiting magnitudes of 20.5, 20.1, and 18.6 mag in the J, H, and Ks bands, respectively. Using the Ks-band luminosity function and comparing it with the synthetic clusters, we obtained the age of the cluster as ∼0.5 Myr, which was found to corroborate well with the visual extinction versus the age of nearby embedded clusters. We find that the present mass of the cluster is around ∼180 M⊙, and the cluster is currently forming stars at a rate of ∼330 M⊙ Myr–1, with an efficiency of ∼20%. The cluster is connected to an extended gas reservoir through a filamentary network; thus, we hypothesize that the cluster has the potential to become a richer cluster in a few Myr of time.

Abstract Copyright: © 2024. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Star forming regions - Star clusters - Initial mass function - Infrared dark clouds - Giant molecular clouds - Near infrared astronomy - Extinction

Simbad objects: 18

goto Full paper

goto View the references in ADS

Number of rows : 18
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 Cl Berkeley 59 OpC 00 02 17 +67 26.5           ~ 107 0
2 IC 348 OpC 03 44 31.1 +32 10 02           ~ 1476 1
3 [KPS2012] MWSC 0315 Cl? 03 56 10 +53 52.6           ~ 9 0
4 PLCKECC G148.24+00.41 cor 03 57 26.2 +53 52 36           ~ 18 0
5 Cl Waterloo 1 OpC 04 18 45.9 +52 51 55           ~ 85 0
6 LBN 151.25+02.12 HII 04 19 41.01 +53 08 31.3           ~ 70 2
7 LBN 784 HII 05 13 25.5 +37 27 01           ~ 83 0
8 Cl Stock 8 OpC 05 27 54.1 +34 28 41           ~ 93 0
9 NAME Orion Nebula Cluster OpC 05 35.0 -05 29           ~ 2514 0
10 NAME Ori Trapezium OpC 05 35 16.5 -05 23 14           ~ 1708 1
11 * sig Ori Y*O 05 38 44.7653828520 -02 36 00.283179888 2.54 3.58 3.79 3.87 4.11 O9.5V+B0.2V(n) 855 0
12 NGC 2024 Cl* 05 41 43 -01 50.5           ~ 1198 1
13 NGC 2282 RNe 06 46 51 +01 18.9   10       ~ 51 2
14 RCW 36 HII 08 59 00.9 -43 44 10     15.20     ~ 161 0
15 NAME Serpens South molecular cloud MoC 18 30 -02.0           ~ 116 0
16 NGC 7538 OpC 23 13 37 +61 30.0           ~ 920 1
17 NAME SH 2-233 IR SW Cluster Cl* ~ ~           ~ 4 0
18 NAME SH 2-233 IR NE Cluster Cl* ~ ~           ~ 4 0

To bookmark this query, right click on this link: simbad:objects in 2024AJ....168..136R and select 'bookmark this link' or equivalent in the popup menu