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HD 184542 (V1261 Aql)


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Precise Coordinates of Variable Stars (3)
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Irregular variables of type Lb. New JHKL'M-photometry for 160 stars.
This paper presents new near infrared observations of 160 Irregularvariables of type Lb in the JHKL'M filter bands. These measurements aresupplemented by data for additional 56 stars taken from the literature.In total 220 datasets are available because of some multipleobservations. From our sample, 216 stars have near infrared (NIR)photometry now. Our sample of visually bright Lb-variables displays verysimilar infrared properties when compared with SRa- and SRb-variables.Derived from NIR-two colour diagrams the oxygen-rich Lbs seem to haveintermediate atmospheric conditions between Miras and normal giants.There may be a sligthly larger "contamination" with non AGB-giants thanin the case of the semiregulars. Using only our IR-colours the S- andthe Carbon-stars among the Lbs again are undistinguishable fromSR-variables of the same chemistry.

Classification of 831 two-micron sky survey sources south of +5 degrees.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1975AJ.....80.1011H&db_key=AST

Die veranderlichen Sterne der nordlichen Milchstrasse. Teil XIV.
Not Available

Characteristics of OH emission from infrared stars.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1972A&A....17..385W&db_key=AST

57th Name-List of Variable Stars
Not Available

Mitteilungen über neuentdeckte Veränderliche Sterne
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Stellar Spectra in Milky way Regions. I. a. Region in Aquila.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1949ApJ...109..426M&db_key=AST

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Dades d'Observació i Astrometria

Constel·lació:Aquila
Ascensió Recta:19h34m43.59s
Declinació:+07°08'45.8"
Magnitud Aparent:8.714
Moviment propi RA:-12.7
Moviment propi Dec:-7.9
B-T magnitude:10.877
V-T magnitude:8.893

Catàlegs i designacions:
Noms PropisV1261 Aql
  (Edit)
HD 1989HD 184542
TYCHO-2 2000TYC 490-3695-1
USNO-A2.0USNO-A2 0900-15708773
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