BVIJHKs photometry around CG 12 : J/MNRAS/355/1272

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Authors : Maheswar G. orcid , Manoj P., Bhatt H.C. (hide) , Manoj P., Bhatt H.C. et..al

VizieR DOI : 10.26093/cds/vizier.73551272
Bibcode : 2004MNRAS.355.1272M (ADS) (Simbad) (Objects)
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CDS Keywords : Molecular clouds; Photometry, VRI; Photometry, infrared
UAT : Molecular clouds, Infrared photometry, Optical astronomy, Photometry, Infrared photometry

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Inserted into VizieR : 15-Jan-2006
Last modification : 30-Jun-2024

Photometric distances to dark clouds cometary globule CG 12. (2004)

Keywords : stars distances - stars: formation - ISM: clouds - dust, extinction - ISM: globules - ISM: individual: CG 12

Abstract:A method for determining distances to dark clouds and Bok globules based on broad-band optical and near-infrared photometry is presented. In this method, intrinsic colour indices of stars projected towards the direction of a cloud are computed by dereddening the observed colour indices using various trial values of extinction A_V_ and a standard extinction law. The computed intrinsic colour indices for a star are then compared with the intrinsic colour indices of normal main-sequence stars and a spectral type is assigned to the star for which the computed colour indices best match the standard intrinsic colour indices. Distances (d) to the stars are determined using the A_V_ and absolute magnitudes (M_V_) corresponding to the spectral ...(more)
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Monthly Notices policies
Images of CG 12 centred at two positions (2000 coordinates), 13h57m35s -39{deg}54'19'' (Region I) and 13h57m43s -40{deg}00'54'' (Region II) were carried out on 2003 April 24 and 2004 February 2004, respectively, at the prime focus of VBT using a Tektronix CCD chip . 


                


                

                    

                


                

                    

                


                

                    
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