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J/AJ/135/2323      Hα stars and HH objects near BRCs       (Ikeda+, 2008)

Sequential star formation in a cometary globule (BRC37) of IC1396. Ikeda H., Sugitani K., Watanabe M., Fukuda N., Tamura M., Nakajima Y., Pickles A.J., Nagashima C., Nagayama T., Nakaya H., Nakano M., Nagata T. <Astron. J., 135, 2323-2335 (2008)> =2008AJ....135.2323I
ADC_Keywords: H II regions ; Infrared sources ; Stars, pre-main sequence ; Stars, emission Keywords: ISM: clouds - ISM: globules - ISM: individual (IC1396) - stars: formation - stars: low-mass, brown dwarfs - stars: pre-main sequence Abstract: We have carried out near-IR/optical observations to examine star formation toward a bright-rimmed cometary globule (BRC37) facing the exciting star(s) of an HII region (IC1396) containing an IRAS source, which is considered to be an intermediate-mass protostar. With slitless spectroscopy we detected ten Hα emission stars around the globule, six of which are near the tip of the globule and are aligned along the direction to the exciting stars. Description: Slitless grism spectroscopy and g' (482.5nm), i' (767.2nm), and wide Hα (651nm) imaging of BRC37 were conducted on UT 2006 November 19 and V, and IC imaging was done on UT 2007 August 7 with the Wide Field Grism Spectrograph 2 (WFGS2) mounted on the University of Hawaii 2.2m telescope (UH88). J- (1.25um), H- (1.63um), and Ks- (2.14um) band imaging of BRC37 was conducted on UT 2001 August 29 with the Simultaneous three-color InfraRed Imager for Unbiased Survey (SIRIUS) mounted on UH88. File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file table4.dat 104 492 Updated and corrected Table 5 of Ogura, Sugitani, & Pickles (2002, Cat. J/AJ/123/2597)
See also: J/AJ/123/2597 : Halpha stars and HH objects near BRCs (Ogura+, 2002) Byte-by-byte Description of file: table4.dat
Bytes Format Units Label Explanations
1- 8 A8 --- BRC Bright-Rimmed Cloud name 10- 11 I2 --- Seq Bright-Rimmed Cloud star number 12 A1 --- m_Seq [ab] Multiplicity index on Seq 13 A1 --- n_Seq [N] N for new star 19- 20 I2 h RAh Hour of Right Ascension (J2000) 22- 23 I2 min RAm Minute of Right Ascension (J2000) 25- 29 F5.2 s RAs Second of Right Ascension (J2000) 31 A1 --- DE- Sign of the Declination (J2000) 32- 33 I2 deg DEd Degree of Declination (J2000) 35- 36 I2 arcmin DEm Arcminute of Declination (J2000) 38- 41 F4.1 arcsec DEs Arcsecond of Declination (J2000) 43- 47 F5.1 0.1nm EWHa ? Hα equivalent width in Angstroms 49-104 A56 --- Remark Remarks on slit-less spectroscopic status
History: From electronic version of the journal
(End) Greg Schwarz [AAS], Patricia Vannier [CDS] 14-Jan-2011
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