NOAO >   Observing Info >   Approved Programs >   1999B-0011

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Program Information for 1999B-0011


PI: Todd Henry, Johns Hopkins U., thenry@astro.gsu.edu
Address: Dept of Physics & Astronomy, 3400 Charles St., Baltimore, MD 21218 USA

CoI: Claudio Anguita, Universidad de Chile
CoI: Phil Ianna, U. of Virginia
CoI: Rene A Mendez, NOAO
CoI: Maria-Teresa Ruiz, Universidad de Chile
CoI: Patrick Seitzer, U. of Michigan

Title: In Search of Nearby Stars: A Parallax Program atCTIO

Abstract: We propose to initiate a three-year program at CTIO to determine parallaxes for stars in the solar neighborhood. The program will target faint, missing members of the nearby star sample --- primarily white, red and brown dwarfs. The results will allow us to improve the luminosities, colors, and temperatures for these common Galactic constituents, broaden the database used to investigate the luminosity function, mass function, kinematics, and multiplicity of stars in the solar neighborhood, estimate the age of the Galactic disk via the white dwarf luminosity function, and provide targets for upcoming extrasolar planetary searches. For this survey, nearby is defined as being within 20 parsecs, the horizon of NASA\'s NStars Project, which is a new initiative to provide high quality data for targets that will be observed in future space missions.

Program Type: Survey

Scheduled Nights:
Run 1 (1999B):  CT-1.5m/CFIM -- 6n on Aug 18 - Aug 19 1999, Sep 19 - Sep 20 1999, Oct 16 - Oct 17 1999, Nov 25 - Nov 26 1999, Dec 24 - Dec 25 1999, Jan 29 - Jan 30 2000
Run 1 (2000A):  CT-1.5m/CFIM -- 6n on Feb 13 - Feb 14 2000, Mar 19 - Mar 20 2000, Apr 22 - Apr 23 2000, May 14 - May 15 2000, Jun 23 - Jun 24 2000, Jul 25 - Jul 26 2000
Run 1 (2000B):  CT-1.5m/CFIM -- 6n on Aug 09 - Aug 10 2000, Sep 10 - Sep 11 2000, Oct 15 - Oct 16 2000, Nov 17 - Nov 18 2000, Dec 11 - Dec 12 2000, Jan 11 - Jan 12 2001
Run 1 (2001A):  CT-1.5m/CFIM -- 6n on Feb 26 - Feb 27 2001, Apr 09 - Apr 12 2001, May 10 - May 11 2001, Jun 08 - Jun 09 2001, Jul 07 - Jul 08 2001
Run 1 (2001B):  CT-1.5m/CFIM -- 5.5n on Sep 28 - Oct 01 2001, Nov 12 - Nov 13 2001, Dec 16 - Dec 19 2001, Jan 31 2002
Run 1 (2002A):  CT-1.5m/CFIM -- 11.5n on Feb 01 2002, Apr 22 - Apr 25 2002, May 25 - May 28 2002, Jul 14 - Jul 22 2002
Run 1 (2002B):  CT-1.5m/CFIM -- 12n on Aug 21 - Aug 24 2002, Oct 31 - Nov 03 2002, Jan 14 - Jan 17 2003
Run 2 (1999B):  CT-0.9m/CFIM -- 16n on Aug 16 1999, Aug 20 - Aug 23 1999, Sep 15 - Sep 18 1999, Oct 21 - Oct 22 1999, Oct 24 - Oct 25 1999, Nov 27 - Dec 01 1999, Dec 20 - Dec 23 1999, Jan 23 - Jan 27 2000
Run 2 (2000A):  CT-0.9m/CFIM -- 12n on Feb 19 - Feb 22 2000, Mar 23 - Mar 26 2000, Apr 15 - Apr 18 2000, May 30 - Jun 02 2000, Jun 25 - Jun 28 2000, Jul 27 - Jul 30 2000
Run 2 (2000B):  CT-0.9m/CFIM -- 12n on Aug 18 - Aug 21 2000, Sep 12 - Sep 15 2000, Oct 10 - Oct 13 2000, Nov 13 - Nov 16 2000, Dec 09 - Dec 10 2000, Dec 13 - Dec 14 2000, Jan 14 - Jan 17 2001
Run 2 (2001A):  CT-0.9m/CFIM -- 13.5n on Feb 21 - Feb 24 2001, Mar 16 - Mar 21 2001, Mar 23 2001, Apr 05 - Apr 08 2001, May 12 - May 15 2001, Jun 06 - Jun 07 2001, Jun 10 - Jun 11 2001, Jul 10 - Jul 13 2001
Run 2 (2001B):  CT-0.9m/CFIM -- 24n on Aug 05 - Aug 08 2001, Aug 27 - Aug 30 2001, Oct 02 - Oct 05 2001, Nov 14 - Nov 17 2001, Dec 12 - Dec 15 2001, Jan 27 - Jan 30 2002
Run 2 (2002A):  CT-0.9m/CFIM -- 12n on Apr 17 - Apr 20 2002, May 20 - May 23 2002, Jun 14 - Jun 17 2002, Jul 02 - Jul 05 2002, Jul 13 - Jul 16 2002, Jul 28 - Jul 31 2002


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