J/MNRAS/383/1241 UBVIc photometry of cluster Berkeley 59 (Pandey+, 2008)
Stellar contents and star formation in the young star cluster Be 59.
Pandey A.K., Sharma S., Ogura K., Ojha D.K., Chen W.P., Bhatt B.C.,
Ghosh S.K.
<Mon. Not. R. Astron. Soc., 383, 1241-1258 (2008)>
=2008MNRAS.383.1241P 2008MNRAS.383.1241P
ADC_Keywords: Clusters, open ; Photometry, UBVRI ; Photometry, CCD
Keywords: open clusters and associations: individual: Be 59 - stars: formation -
stars: luminosity function, mass function - stars: pre-main-sequence
Abstract:
We present UBVIc CCD photometry of the young open cluster Be 59
with the aim to study the star formation scenario in the cluster.
The radial extent of the cluster is found to be ∼10arcmin (2.9pc).
The interstellar extinction in the cluster region varies between
E(B-V)=1.4 to 1.8mag. The ratio of total-to-selective extinction in
the cluster region is estimated as 3.7±0.3. The distance of the
cluster is found to be 1.00±0.05kpc. Using near-infrared (NIR)
colours and slitless spectroscopy, we have identified young stellar
objects (YSOs) in the open cluster Be 59 region.
The Midcourse Space Experiment (MSX) and IRAS-HIRES images around the
cluster region are also used to study the emission from unidentified
infrared bands and to estimate the spatial distribution of optical
depth of warm and cold interstellar dust.
Description:
The CCD UBV Ic observations of the cluster were obtained using the
105-cm Schmidt telescope of the Kiso Observatory on 2001 November
19-21. The observations were also carried out in slitless mode with
a grism as the dispersing element using the Himalayan Faint Object
Spectrograph Camera (HFOSC) instrument at the 2-m Himalayan Chandra
Telescope (HCT) on 2004 September 22 and 2005 January 7-9.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table2.dat 81 5944 UBVIc photometric data of the stars in the
field of Be 59
table3.dat 48 48 Detected Hα emission stars
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See also:
J/other/BASI/35.53 : JH photometry of Berkeley 59 (Sharma+, 2007)
Byte-by-byte Description of file: table2.dat
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Bytes Format Units Label Explanations
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1- 4 I4 --- PSO [1/5944] Sequential number,
Cl* Berkeley 59 PSO NNNN in Simbad
7- 13 F7.2 pix Xpos X position (1)
15- 21 F7.2 pix Ypos Y position (1)
23- 28 F6.3 mag Vmag V magnitude
30- 34 F5.3 mag B-V ?=- B-V colour index
36- 41 F6.3 mag V-Ic ?=- V-Ic colour index
43- 48 F6.3 mag U-B ?=- U-B colour index
51- 57 F7.2 pix Rad Radius with respect to the centre
59- 60 I2 h RAh Right ascension (J2000)
62- 63 I2 min RAm Right ascension (J2000)
65- 69 F5.2 s RAs Right ascension (J2000)
71 A1 --- DE- Declination sign (J2000)
72- 73 I2 deg DEd Declination (J2000)
75- 76 I2 arcmin DEm Declination (J2000)
78- 81 F4.1 arcsec DEs Declination (J2000)
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Note (1): Centre coordinates: X=1128, Y=1024 (RA=00:02:10.4, DE=+67:25:10)
One pixel corresponds to 1.5arcsec.
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Byte-by-byte Description of file: table3.dat
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Bytes Format Units Label Explanations
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1- 2 I2 --- PSOHA [1/48] Sequential number,
Cl* Berkeley 59 PSOHA NN in Simbad
4- 5 I2 h RAh Right ascension (J2000)
7- 8 I2 min RAm Right ascension (J2000)
10- 14 F5.2 s RAs Right ascension (J2000)
16 A1 --- DE- Declination sign (J2000)
17- 18 I2 deg DEd Declination (J2000)
20- 21 I2 arcmin DEm Declination (J2000)
23- 26 F4.1 arcsec DEs Declination (J2000)
28- 29 I2 0.1nm EW ? Hα equivalent width
31- 36 F6.3 mag Vmag ? V magnitude
38- 42 F5.3 mag B-V ? B-V colour index
44- 48 F5.3 mag V-Ic ? V-Ic colour index
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History:
From electronic version of the journal
(End) Patricia Vannier [CDS] 14-May-2008