2023MNRAS.520.3383D

Query : 2023MNRAS.520.3383D

2023MNRAS.520.3383D - Mon. Not. R. Astron. Soc., 520, 3383-3395 (2023/April-2)

A novel survey for young substellar objects with the W-band filter IV: detection and characterization of low-mass brown dwarfs in Serpens Core.

DUBBER S., BILLER B., ALBERT L., LIU M., JOSE J., ZHANG Z., CHEN W.-P., LALCHAND B., DAMIAN B., SHARMA T. and ALLERS K.

Abstract (from CDS):

We present spectroscopic confirmation of nine M5 or later Serpens Core candidate members, identified using a combination of CFHT WIRCam photometry and IRTF SpeX spectroscopy. Through spectral fitting, we find that the latest of these nine candidate members is best fit by an L0 spectral standard (in the range of M8-L2), implying a mass of ∼0.01-0.035M⊙. If confirmed as a cluster member, this would be one of the lowest mass Serpens Core objects ever discovered. We present analysis of the physical properties of the sample, as well as the likely membership of the candidate Serpens Core members.

Abstract Copyright: © 2023 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society

Journal keyword(s): brown dwarfs - stars: low-mass - stars: late-type

Nomenclature: Table 1: [DBA2021] SCHHMMSS+DDMMSS N=14 added.

Status at CDS : Acronym for new objects described in the dictionary of nomenclature and being created in SIMBAD. // Large table(s) will be appraised for possible ingestion in VizieR. // All or part of tables of objects will be ingested in SIMBAD with priority 1.

Simbad objects: 15

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Number of rows : 15
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 IC 348 OpC 03 44 31.1 +32 10 02           ~ 1476 1
2 NAME Taurus Complex SFR 04 41.0 +25 52           ~ 4971 0
3 NAME TW Hya Association As* 11 01.9 -34 42           ~ 1018 0
4 NAME Lupus Complex SFR 16 03 -38.1           ~ 851 0
5 NAME Ophiuchus Molecular Cloud SFR 16 28 06 -24 32.5           ~ 3969 1
6 V* BD Ser Mi* 17 31 41.1298849248 -14 05 05.437400280       13.17 10.24 ~ 13 1
7 NAME Serpens Cloud SFR 18 29 49 +01 14.8           ~ 1195 1
8 2MASS J18295317+0112275 BD* 18 29 53.176 +01 12 27.55           L 16 0
9 [HCP2006] Cluster A Cld 18 29 56 +01 14.8           ~ 50 0
10 NAME Serpens Cluster As* 18 29 57 +01 14.4           ~ 66 0
11 2MASS J18295781+0112280 Y*O 18 29 57.819 +01 12 28.05           ~ 21 0
12 NAME Serpens SVS 4 IR Cluster Cl* 18 29 57.84 +01 12 48.1           ~ 44 1
13 NAME Serpens South molecular cloud MoC 18 30 -02.0           ~ 116 0
14 NAME Serpens Main Cluster Cl* 18 30.0 +01 05           ~ 14 0
15 HD 174240 * 18 49 37.1928719280 +00 50 10.306332096   6.257 6.226     A1IV 57 0

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