VizieR Online Data Catalog: Lowell GR* red stars (Giclas+ 1972-1978)

This file shows accurate coordinates for the ~500 red stars found by Giclas et al. near the south galactic pole. This was part of a general survey of large proper motion stars. In 2002 August I sent Gerard Jasniewicz corrections for the first batch of 47 stars, mainly just to see for myself what sorts of stars are involved. These 47 stars were observed photoelectrically by Warren (1976MNRAS.176..667W), who obtained UBV photometry. Although every star was a dwarf, they were not extraordinarily red, but merely garden-variety late-K and early-M dwarfs. Gerard corrected all those entries in SIMBAD, and the UBV data are linked.

I have now gone through the entire list and show improved positions below. For most stars UCAC3 positions were adopted. In this part of the sky UCAC3 draws from both the Schmidt plate-scans and the Yale SPM series as well as the UCAC astrograph series. The multiple epochs mean the positions and proper motions for the fainter stars are usually the best ones. There are still a few where the motion is forced to zero or is blank, and UCAC2, 2MASS, or other source is used, as specified in the column 's' following the position.

I show V magnitudes for all the stars. For stars brighter than between V = 14.5 and 15.0, the ASAS-3 is preferred. For the fainter stars this is merely average of the GSC-2.3 blue and red magnitudes. Where there is overlap, the naive b+r/2 from the Schmidt plates matches ASAS-3 to within 0.1 mag usually, and only sometimes differs by as much as 0.3 mag.

Stars with motion >0".15/year are flagged 'lg pm' (large proper motion).

In identifying the stars, I also found a substantial number of common-motion pairs, which have all been sent to Brian Mason (USNO) for possible inclusion in the WDS.

I noticed a few stars whose 2MASS J-K colors are >0.9mag; these must be late-K/early-M giants --- interesting in themselves, since at Vmag 15 they are ~10 kpc out in the halo. Those I noticed are flagged in the remarks, but there could be more early/mid-K giants whose colors are similar to the ~M0 dwarfs.

A bunch of SIMBAD aliases have sent to the CDS, mostly now fixed in the database by Arnaud Siebert.

Though there are no spectral types here, the list will help deal with the Pesch & Sanduleak objective-prism survey for M dwarfs at the south galactic pole (1978AJ.....83.1090P, 1982PASP...94..345P), which needs a similar going-over.

(1 data file).