UBVIH{alpha} photometry in NGC 1893 : J/MNRAS/443/454

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Authors : Lim B. orcid , Sung H., Kim J.S. (hide) , Sung H., Kim J.S. et..al

VizieR DOI : 10.26093/cds/vizier.74430454
Bibcode : 2014MNRAS.443..454L (ADS) (Simbad) (Objects)
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CDS Keywords : Clusters, open; Photometry, UBVRI; Photometry, H-alpha
UAT : Open star clusters, Infrared photometry, Optical astronomy, Broad band photometry, Optical astronomy, H alpha photometry

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Inserted into VizieR : 09-Jul-2015
Last modification : 10-Aug-2024

Sejong Open Cluster Survey (SOS). III. The young open cluster NGC 1893 in the HII region W8. (2014)

Keywords : accretion, accretion discs - circumstellar matter - stars luminosity function, mass function - open clusters and associations: individual: NGC 1893

Abstract:We present a UBVI and H{alpha} photometric study of the young open cluster NGC 1893 in the HII region W8 (IC 410 or Sh 2-236). A total of 65 early-type members are selected from photometric diagrams. A mean reddening of the stars is <E(B-V)>=0.563+/-0.083mag. The published photometric data in the near- and mid-infrared passbands are used to test the reddening law towards the cluster, and we confirm that the reddening law is normal (R_V_=3.1). Zero-age main-sequence fitting gives a distance modulus of V_0_-M_V_= 12.7+/-0.2mag, equivalent to 3.5+/-0.3kpc. From H{alpha} photometry, 125 H{alpha} emission stars and candidates are identified as pre-main-sequence (PMS). The lists of young stellar objects and X-ray sources published by previous studies ...(more)
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The observation of NGC 1893 was made on 2009 January 19 using the AZT-22 1.5m telescope (f/7.74) at Maidanak Astronomical Observatory in Uzbekistan. All imaging data were acquired using the Fairchild 486 CCD (SNUCam) with the standard Bessell UBVI and H{alpha} filters. 


                


                

                    

                


                

                    

                


                

                    
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