SIMBAD references

2008MNRAS.391...84K - Mon. Not. R. Astron. Soc., 391, 84-94 (2008/November-3)

Lynds 1622: a nearby star-forming cloud projected on Orion B?

KUN M., BALOG Z., MIZUNO N., KAWAMURA A., GASPAR A., KENYON S.J. and FUKUI Y.

Abstract (from CDS):

We present results of optical spectroscopic and photometric observation of the pre-main-sequence stars associated with the cometary shaped dark cloud Lynds 1622, and 12CO and 13CO observations of the cloud. We determined the effective temperatures and luminosities of 14 pre-main-sequence stars associated with the cloud from their positions in the Hertzsprung-Russell diagram, as well as constructed their spectral energy distributions using optical, 2MASS and Spitzer IRAC and MIPS data. We derived physical parameters of L1622 from the molecular observations. Our results are not compatible with the assumption that L1622 lies on the near side of the Orion-Eridanus loop, but suggest that L1622 is as distant as Orion B. At a distance of 400 pc the mass of the cloud, derived from our 12CO data, is 1100M, its star formation efficiency is ∼1.8 per cent, and the average age of its low-mass pre-main-sequence star population is about 1 Myr.

Abstract Copyright: © 2008 The Authors. Journal compilation © 2008 RAS

Journal keyword(s): stars: formation - stars: pre-main-sequence - ISM: clouds - ISM: individual: L1622

Nomenclature: NAME L1622-10A, NAME L1622-10B, NAME L1622-6N.

Simbad objects: 51

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