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Primarily Galactic stars with high radial velocity near the Magellanic Clouds
UBV photoelectric measurements and spectral types (sometimes revised)are presented for 54 mostly-foreground high-radial-velocity stars nearand between the SMC and LMC. The color-color diagram is shown to be verysimilar to that of Omega Cen. It is noted that four of the stars aresubdwarves, 23 stars are submetallic or horizontal branch stars, onestar is probably a member of the LMC, and the rest are population Istars of luminosity classes III-V. The density of high-velocityforeground stars towards the Magellanic Clouds appears to be about 20times higher than in other directions of similar galactic latitude.
| Intermediate-band photometry of late-type stars. VIII - Nonvariable stars in the halo population near the sun
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1979ApJ...229..158E&db_key=AST
| Intermediate-band photometry of late-type stars. V - Calibration of indices
Additional data for several stellar groups and clusters are used toimprove a previously determined provisional relation betweenM1 photometric index and the parameter /Fe/H/(solar) as wellas to test the usefulness of the C1 photometric index forluminosity determinations. The data are for 43 members of the Wolf 630group, 14 members of the 61 Cygni group, 30 members of the Arcturusgroup, 14 members of Kapteyn's star groups, and various members of theHyades, 47 Tuc, NGC2420, Omega Cen, and an anonymous group of subdwarfs.It is found that in general the values of C1 only confirm agiant or dwarf classification without yielding accurate luminosities andthat the main contribution of C1 for disk objects is inisolating peculiar stars. The results also indicate that there is aluminosity effect in M1 for the strongest-lined stars andthat the values of M1 become distorted, probably by thepresence of TiO, for R-I larger than about +0.5 magnitude. An array forinterpolating /FE/H/(solar) from (R-I, M1) is constructed byadopting mean values of /Fe/H/(solar) equal to +0.1,-0.35, -0.6, and-1.8 for the Hyades, Wolf 630, Arcturus, and Kapteyn's star groups,respectively.
| Non-supergiant high-velocity stars near the Magellanic Clouds.
Abstract image available at:http://adsabs.harvard.edu/abs/1974A&AS...16..277C
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Membre dels grups següents:
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Dades d'Observació i Astrometria
| Constel·lació: | Hydrus |
| Ascensió Recta: | 01h30m33.43s |
| Declinació: | -75°13'55.5" |
| Magnitud Aparent: | 8.963 |
| Distancia: | 529.101 parsecs |
| Moviment propi RA: | 33.3 |
| Moviment propi Dec: | 21 |
| B-T magnitude: | 10.309 |
| V-T magnitude: | 9.075 |
Catàlegs i designacions:
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