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astronomy & astrophysics (18) 18
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MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, ISSN 0035-8711, 06/2019, Volume 485, Issue 4, pp. 4625 - 4640
We present near-infrared spectroscopic analysis of 12 red giant members of the Galactic open cluster NGC 6940. High-resolution (R similar or equal to 45 000)... 
stars: atmospheres | BULGE GLOBULAR-CLUSTERS | CARBON | RED GIANTS | open clusters and associations: individual: NGC 6940 | MAIN-SEQUENCE | stars: abundances | ISOCHRONES | TRACKS | STELLAR EVOLUTION | MODELS | ASTRONOMY & ASTROPHYSICS | INTERMEDIATE-MASS STARS | SPECTROGRAPH
Journal Article
Astronomical Journal, ISSN 0004-6256, 11/2018, Volume 156, Issue 5, p. 244
We present and discuss medium resolution (R similar to 13000), high signal-to-noise (S/N similar to 100), spectroscopic observations in the field of the open... 
open clusters and associations: general | open clusters and associations: individual (NGC 6940, Tombaugh 5) | RED GIANTS | PARAMETERS | ABUNDANCES | MOTIONS | EVOLUTION | PHOTOMETRY | ASTRONOMY & ASTROPHYSICS | GENERATION | OLD OPEN CLUSTERS | SCALE | NGC-6940 | open clusters and associations: individual (NGC 6940 Tombaugh 5)
Journal Article
Astronomy and Astrophysics, ISSN 0004-6361, 1997, Volume 326, Issue 2, pp. 608 - 613
We present the results of soft X-ray observations of the intermediate-age open cluster NGC 6940 performed with the ROSAT PSPC. We detected 18 sources, four of... 
X-rays: Stars | Stars: Activity | Open clusters and associations: Individual: NGC 6940 | OPTICAL-IDENTIFICATION | X-rays: stars | EINSTEIN | ROSAT SOURCES | ASTRONOMY & ASTROPHYSICS | PLEIADES | open clusters and associations: individual: NGC 6940 | STARS | SPECTRUM | stars: activity | HYADES CLUSTER | SKY SURVEY OBSERVATIONS
Journal Article
The Astronomical Journal, ISSN 1538-3881, 11/2007, Volume 134, Issue 5, pp. 2067 - 2078
Journal Article
Astronomy and Astrophysics, ISSN 0004-6361, 2001, Volume 375, Issue 2, pp. 387 - 396
Journal Article
The Astronomical Journal, ISSN 1538-3881, 11/2010, Volume 140, Issue 5, pp. 1268 - 1281
Journal Article
Journal Article
Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 03/2002, Volume 330, Issue 3, pp. 737 - 754
Journal Article
Journal Article
1981, ISBN 9789630524728, 2 v. in 3
Book
中国天文和天体物理学报:英文版, ISSN 1009-9271, 2002, Volume 2, Issue 1, pp. 17 - 32
We compile a new sample of 89 open clusters with ages, distances and metallicities available. We derive a radial iron gradient of about-0.099±0.008 dex... 
银盘 | 银河系 | 倾斜 | 形态 | METALLICITIES | PLANETARY-NEBULAE | open clusters : abundances | SPIRAL GALAXIES | H-II REGIONS | STAR-FORMATION | Galaxy : formation | CHEMICAL EVOLUTION | MODEL | Galaxy : evolution | ELEMENTS | ASTRONOMY & ASTROPHYSICS | OLD OPEN CLUSTERS | MILKY-WAY
Journal Article
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