HH 588: A giant bipolar outflow in the dark cloud BRC 37

Movsessian, T. A.; Magakian, T. Yu.; Sargsyan, D. M.; Ogura, K.

doi:10.1007/s10511-012-9253-6

Cited by 4 publications

(2 citation statements)

References 6 publications

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“…BRCs were initially categorized into types A, B and C according to their length-to-width ratios with type C being the most elongated ones (Sugitani et al, 1991;Sugitani & Ogura, 1994). A large number of these BRCs show signs of ongoing star formation (Sugitani et al, 1989(Sugitani et al, , 1995Ogura et al, 2002;Chauhan et al, 2011;Hayashi et al, 2012;Movsessian et al, 2012) which may have possibly been triggered due to the ionization front formation in these clouds. Thus BRCs are the ideal laboratories to investigate the radiation driven implosion (RDI) process which is suggested as the mechanism responsi-ble for the compression of the cloud and subsequent triggering of star formation (Reipurth, 1983;Bertoldi, 1989;Lefloch & Lazareff, 1994).…”

Section: Introductionmentioning

confidence: 99%

Magnetic field structure of IC 63 and IC 59 associated with H ii region Sh 185

Soam

Maheswar

Lee

et al. 2016

Mon. Not. R. Astron. Soc.

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Bright-rimmed clouds (BRCs) are formed at the periphery of H II regions as the radiation from the central star interacts with dense gas. The ionization and resulting compression of the clouds may lead to cloud disruption causing secondary star formation depending on the stellar and gas parameters. Here we use R-band polarimetry to probe the plane-of-the sky magnetic field in the two near-by BRCs IC 59 and IC 63. Both nebulae are illuminated by γ Cas with the direction of ionizing radiation being orientated parallel or perpendicular to the local magnetic field, allowing us to probe the importance of magnetic field pressure in the evolution of BRCs. Because of the proximity of the system (∼200pc) we have acquired a substantial sample of over 500 polarization measurements for stars background to the nebulae. On large scales, the magnetic field geometries of both clouds are anchored to the ambient magnetic field. For IC 63, the magnetic field is aligned parallel to the head-tail morphology of the main condensation, with convex morphology relative to the direction of the ionizing radiation. We estimate the plane of the sky magnetic field strength in IC 63 to be ∼ 90µG. In IC 59, the projected magnetic field follows the M shape morphology of the cloud. Here, field lines present a concave shape with respect to the direction of the ionizing radiation from γ Cas. Comparing our observations to published theoretical models we find good general agreement, supporting the importance of magnetic fields in BRC evolution.

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Section: Introductionmentioning

confidence: 99%

Magnetic field structure of IC 63 and IC 59 associated with H ii region Sh 185

Soam

Maheswar

Lee

et al. 2016

Mon. Not. R. Astron. Soc.

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“…This object resembles the central object of HH 588 flow, a compact HH object with very low excitation, located near the IRAS 21388+5622 source. It probably represents the very short jet from the exciting star (Ogura, Sugitani & Pickles 2002;Movsessian et al 2012). So, one can assume that HH 1197 apparently propagates toward the southeast, away from the above mentioned infrared source.…”

Section: Hh 1197mentioning

confidence: 99%

New Herbig-Haro objects and outflows in Mon R1 association

Movsessian,

Magakian,

Dodonov

2020

Preprint

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We present results of the narrow-band Hα and [S ii] imaging survey of Mon R1 association, performed with the 1 m Schmidt telescope of the Byurakan Observatory. Our observations covered one degree field near the center of the association. As a result of this study twenty new Herbig-Haro knots were discovered, some of which form collimated outflows. Among the most extended ones are HH 1203 and HH 1196, which have a length near one parsec or even more.In the course of search for the probable sources of HH objects several new small reflection nebulae were found. A list of all nebulous stellar objects in the Mon R1 area under study is presented, with the detailed description of most interesting objects. The near infrared data from the GLIMPSE360 and WISE surveys allowed to find several more objects, related to Mon R1, some of them with optical counterparts, as well as to outline at least three probable H 2 collimated flows from the deeply embedded pre-main-sequence objects.

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New Herbig–Haro objects and outflows in the Mon R1 association

Movsessian

Magakian

Додонов

2020

Monthly Notices of the Royal Astronomical Society

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We present the results of a narrow-band Hα and [S ii] imaging survey of the Mon R1 association performed with the 1-m Schmidt telescope at Byurakan Observatory. Our observations covered a 1° field near the centre of the association. As a result of this study, 20 new Herbig–Haro knots were discovered, some of which form collimated outflows. Among the most extended ones are HH 1203 and HH 1196, which have a length of 1 pc or even more. During the search for the probable sources of HH objects, several new nebulous stars were found. A list of all nebulous stellar objects in the Mon R1 area under study is presented, with detailed descriptions of the most interesting ones. The near-infrared data from the GLIMPSE360 and WISE surveys revealed several more objects related to Mon R1, some of which had optical counterparts, as well as helped to identify at least three probable H2 collimated flows from the deeply embedded pre-main-sequence objects. The probable members of Mon R1 were selected by their distances; their bolometric luminosities and extinctions were estimated. Among the outflow sources, three embedded objects with luminosities greater than 10 L⊙ were found. The mean distance to the Mon R1 complex is estimated as 715 pc.

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HH 588: A giant bipolar outflow in the dark cloud BRC 37

Cited by 4 publications

References 6 publications

Magnetic field structure of IC 63 and IC 59 associated with H ii region Sh 185

Magnetic field structure of IC 63 and IC 59 associated with H ii region Sh 185

New Herbig-Haro objects and outflows in Mon R1 association

New Herbig–Haro objects and outflows in the Mon R1 association

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