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Avedisova glossary

Submitted by Kevin Jardine on 7 December, 2008 - 11:47

The Avedisova catalog contains many exotic and little-known objects. Here's a guide to some of them.

28P radio source

The 28P radio sources were detected by the Dominion Radio Astrophysical Observatory in British Columbia and published in a paper by Higgs and van der Werf in 1991.

Designation: 28P

ADP radio source

The ADP catalog of galactic plane radio sources at 4.875 GHz detected by the Effelsberg radio telescope in Germany was published by Altenhoff, Downes, Pauls and Schraml in 1979.

Designation: [ADP79]

BFS HII region

The BFS catalog of ionised hydrogen (HII) regions was published by Blitz, Fich and Stark in 1982.

Designation: BFS

BHR Bok globule

The BHR catalog of small dense molecular clouds (Bok globules) was published by Bourke, Hyland and Robinson in 1995.

Designation: BHR

Be star

This region contains a Be star, a B-class star with prominent emission lines.

Designation: Be*

Bran nebula

The Bran catalog of small nebulae in the direction of the outer galaxy was published by Brand, Blitz and Wouterloot in 1986.

Designation: Bran

CB Bok globule

The CB catalog of small dense molecular clouds (Bok globules) was published by Clemens and Barvainis in 1988.

Designation: CB

Caswell/Haynes HII region

The Caswell/Haynes HII regions are clouds of ionised hydrogen detected by the Parkes radio telescope in Australia and published by Caswell and Haynes in 1987.

Designation: [CH87]

CalTech B list radio source

Radio sources detected at 960 MHz by the California Institute of Technology Radio Observatory and published in a catalog in two papers by Wilson and Bolton in 1960 and 1963.

Designation: CTB

DG reflection nebula

The DG catalog of reflection nebulae was published by Dorschner and Gürtler in 1963.

Designation: DG

DGSW galactic centre radio source

The DGSW catalog of compact radio sources in the galactic centre detected at 5 GHz by the Westerbork Synthesis Radio Telescope in the Netherlands was published by Downes, Goss, Schwarz and Wouterloot in 1979.

Designation: DGSW

DR microwave source

The DR microwave sources in the Cygnus X region were detected by Downes and Rinehart and published in a 1966 catalog.

Designation: DR

DWB HII region

The DWB catalog of HII regions associated with Cygnus X was compiled by Dickel, Wendker and Bieritz and published in 1969.

Designation: DWB

FIR galactic centre far infrared source

The FIR galactic centre survey of far infrared sources was carried out by a balloon-borne telescope in 1975 and published by Odenwald and Fazio in 1984.

Designation: FIR

FIRSSE infrared source

The Far Infrared Sky Survey Experiment survey of far infrared sources was carried out by a rocket-borne telescope and described in a report published by Price, Murdock and Shivanandan in 1983.

Designation: FIRSSE

GGD Herbig-Haro object

The GGD catalog of Herbig-Haro objects was published by Gyulbudaghian, Glushkov and Denisyuk in 1978.

Designation: GGD

GM nebula

The GM nebulae were described by the Armenian astronomers Giulbudagian and Magakian in three papers published in 1977.

Designation: GM

GPSR5 radio source

The GPSR5 survey of the galactic plane at 5GHz by the Very Large Array radio telescope in New Mexico was published by Becker, White, Helfand and Zoonematkermani in 1994.

Designation: GPSR5

GWC galactic centre radio source

The GWC catalog of radio sources in Sgr E in the galactic centre was compiled by Gray, Whiteoak, Cram and Goss and published in 1993.

Designation: [GWC93]

Galaxy?

SIMBAD lists this object as a galaxy.

Designation: Galaxy

Gum HII region

Colin Gum published his pioneering catalog of ionised hydrogen (HII) regions in 1955.

Designation: Gum

HFE infrared source

The far infrared (100μ) HFE survey of the galactic plane was carried out by three balloon flights in 1970 and 1971 and published by Hoffmann, Fredrick and Emery.

Designation: HFE

IRAS infrared source

The Infrared Astronomical Satellite (IRAS) was a joint project of the US, UK and the Netherlands. Operating in 1983, the satellite successfully observed more than 96% of the sky and detected about 350,000 infrared sources, most of which had never been seen before.

Designation: IRAS

KR radio source

The KR catalog of galactic plane radio sources at 21 cm was compiled by Kallas and Reich using the Effelsberg radio telescope in Germany and published in 1980.

Designation: KR

Lockman compact HII region

The Lockman catalog of compact ionised hydrogen (HII) regions detected by the National Radio Astronomy Observatory 140 ft radio telescope at Green Bank, West Virginia was published by Felix Lockman in 1989.

Designation: [L89b]

Lynds dark nebula

The Lynds dark nebulae are dusty regions that often harbour young stars. Beverly Lynds published her catalog in 1962.

Designation: LDN

Maser

A maser is an intense source of microwave radiation. Masers are usually generated by dust and molecular gas heated by young stars. The three most common types are generated by water, hydroxyl and methanol molecules, although other sources are known as well.

Designation: Maser

Mount Wilson emission line star

The Mount Wilson catalog of more than 1000 stars with emission lines in their spectra was compiled by Merrill and Burwell and published in three papers in 1933, 1943 and 1949.

Designation: MWC

NRAO radio source

The NRAO catalog of radio sources detected using the National Radio Astronomy Observatory 300 foot radio telescope at 750 and 1400 MHz in Green Bank, West Virginia was published by Pauliny-Toth, Wade, and Heeschen in 1966.

Designation: NRAO

OH/IR variable star

This region contains a Mira-type massive variable star surrounded by an OH/IR gas envelope.

Designation: OH/IR

Planetary nebula

The often spectacular death throes of a main sequence star.

Designation: PN

Post Asymptotic Giant Branch Star

The region contains a red giant or supergiant star that has evolved beyond the Asymptotic Giant Branch phase and is now becoming a preplanetary nebula.

Designation: post-AGB*

RAFGL infrared source

The RAFGL catalog of infrared sources originated from two airborne missions flown by the US Air Force in 1982.

Designation: RAFGL

RCW HII region

The RCW catalog of ionised hydrogen (HII) regions was published by Rodgers, Campbell and Whiteoak under the direction of Bart Bok in 1960.

Designation: RCW

SGR galactic centre radio source

Early radio studies of the centre of the Milky Way identified 5 major radio sources - SGR A, B, C, D and E. Many of these have now been subdivided into several smaller sources.

Designation: SGR

Sandqvist dust cloud

Sandqvist released his catalog of dust clouds visible from the southern hemisphere in two papers published in 1976 and 1977.

Designation: Sandqvist

Seiradakis galactic centre radio source

The Seiradakis galactic centre radio sources were detected by the Effelsberg radio telescope in Germany and published by Seiradakis and colleagues in 1989.

Designation: Seiradakis

Sharpless HII region

The Sharpless catalog of ionised hydrogen (HII) regions was published in 1959.

Designation: Sh2

SYCSW molecular clouds

The SYCSW catalog of 1682 giant molecular clouds in the first galactic quadrant using CO data from the Massachusetts-Stony Brook Galactic Survey was published by Scoville, Yun, Clemns, Sanders and Waller in 1987.

Designation: [SYCSW]

TAS galactic centre radio source

The TAS survey of galactic centre radio sources was carried out at 22 GHz by the Itapetinga radio telescope in Brazil and published by Tateyama, Abraham and Strauss in 1986.

Designation: [TAS86]

VDB reflection nebula

The VDB catalog of reflection nebulae was published by van den Bergh in 1966.

Designation: VDB

Wendker radio source

The Wendker radio sources were detected at a frequency of 2695 MHz by the National Radio Astronomy Observatory 140 foot radio telescope at Green Bank, West Virginia in the Cygnus X region and published by Wendker in 1970.

Designation: [W70]

Westerhout radio source

The Westerhout radio sources were detected at a frequency of about 1390 MHz during a survey carried out by Gart Westerhout using the Dwingeloo radio observatory in the Netherlands in September 1956 and published in a famous paper in 1958.

Designation: W

Wouterloot/Brand objects

The Wouterloot/Brand objects are IRAS infrared sources in close proximity to one or more molecular clouds in the galactic plane between 85° to 280°. Wouterloot and Brand used kinematic data for the molecular gas to derive distance estimates for many of these objects in a paper published in 1989 as part of a major effort to map the outer galaxy.

Designation: WB89

Young stellar object

This region contains a young stellar object (YSO), a star in an early stage of development.

Designation: YSO