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|13CO (J = 1 -- 0) Survey of Molecular Clouds toward the Monoceros and Canis Major Region|
rough a large-scale 13CO(J=1-0) survey toward a region inMonoceros and Canis Major, we present following results: (1) Weidentified in total 115 clouds. (2) GroupI (CMaOB1 and G220.8 ‑1.7) may physically connected with GroupII (Mon R2 and NGC2149). (3)496YSO candidates were chosen from IRAS point source catalog (IPC). (4)The mass spectrum of the Local clouds shows a power-law relation with anindex of ‑1.55 ± 0.09. (5) The number fraction ofstar-forming clouds increases as the cloud mass increases. Especially,massive clouds of Mcloud≥103.5Modot are all star-forming clouds. (6) Theline width-cloud radius relation is best fitted asΔVcomp ∝ rcloud0.47(correlation coefficient = 0.87). (7) The distribution of(Mvir / Mcloud) shows that star-forming cloudstend to be more virialized than no star-forming clouds. (8) Starformation in GroupI is more active than that in GroupII. (9) Unexpectedsmall number of low-mass clouds in GroupI may be due to strong UVradiation from O-type stars in the vicinity of the clouds. (10) Starformation in GroupII might occurred by self-gravitational, except forthe most massive cloud.
|Merged catalogue of reflection nebulae|
Several catalogues of reflection nebulae are merged to create a uniformcatalogue of 913 objects. It contains revised coordinates,cross-identifications of nebulae and stars, as well as identificationswith IRAS point sources.The catalogue is only available in electronic form at the CDS viaanonymous ftp to cdsarc.u-strasbg.fr (188.8.131.52) or viahttp://cdsweb.u-strasbg.fr/cgi-bin/qcat?J/A+A/399/141
|Precise Coordinates of Variable Stars (6)|
|A catalog of co-added IRAS fluxes of Orion population stars|
A catalog of co-added IRAS fluxes for the pre-main-sequence objects inthe Herbig-Bell catalog (HBC) is presented. This catalog doubles thenumber of HBC stars with detected IRAS fluxes and provides improved fluxvalues for the previously known sources. Noise level are given for allHBC fields in each band, permitting upper limits to be estimated for allundetected sources.
|A catalog of pre-main-sequence emission-line stars with IRAS source associations|
To aid in finding premain-sequence (PMS) emission-line stars that mighthave dusty circumstellar environments, 361 PMS stars that are associatedwith 304 separate IRAS sources were identified. These stars include 200classical T Tauri stars, 25 weak-lined (naked) T Tauri stars, 56 HerbigAe/Be stars, six FU Orionis stars, and two SU Aurigae stars. All six ofthe FU Orionis stars surveyed by IRAS were detected. Of the PMS-IRASPoint Source Catalog (PSC) associations, 90 are new and are not noted inthe PSC. The other 271 entries include 104 that are correctly identifiedin the PSC but have not yet appeared in the literature, 56 more that canbe found in both the PSC and in the published and unpublished iterature,and 111 that are in the literature but not in the PSC. Spectral slopediagrams constructed from the 12-, 25-, and 60-micron flux densitiesreveal unique distributions for the different PMS subclasses; thesediagrams may help identify the best candidate PMS stars for observationsof circumstellar dust.
|Catalog of emission line stars of the orion population : 3 : 1988|
|57th Name-List of Variable Stars|
|Mitteilungen über neuentdeckte Veränderliche Sterne (S 10153- S 10375)|
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