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On Rotation of an Isolated Globule
During CO observations of new Southern objects with the 15-m SEST mmtelescope (Cerro La Silla, Chile) we have found that the globuleconnected with the object CLN127-128 rotates with an angular velocity4.3 · 10-14 s-1, which corresponds to the velocity of extremelyfast rotating globules. The object CLN127-128 is a chain of three stars;two of them are connected with bright nebulae, and the third is asuspected Herbig Ae/Be star. All three stars are bright in near IR,which is specific for the existence of circumstellar shells (or disks)around them. The specific angular momentum of the globule confirms thatit is in virial equilibrium. Besides the finding of a rotating globule,CO observations suggest the presence of a blue-shifted outflow fromCLN127-128 with a velocity of -1.1 km/s (in the system connected withthe globule).
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Observation and Astrometry data
| Constellation: | Cassiopeia |
| Right ascension: | 01h21m04.36s |
| Declination: | +54°37'43.3" |
| Apparent magnitude: | 7.328 |
| Distance: | 303.03 parsecs |
| Proper motion RA: | 3.3 |
| Proper motion Dec: | -16.1 |
| B-T magnitude: | 7.293 |
| V-T magnitude: | 7.326 |
Catalogs and designations:
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INHABITED SKY
