GBT VLBI Project Summaries

VLBI General Info Operator's checklist Aspen Gain Curves Sortable

Future Projects
Project Date UT Time Tapes F(GHz) Comments
GM060 Feb 17, 2006 1200-2200 2 4.9 GHz McKean et al: The dark matter density of a moderate redshift group.
:
Soon :
BB191C Jan 30, 2006 0745-0945 1 4.9 GHz Barvainis et al: Are Radio-Quiet Quasars Superluminal?

Past Projects GB057 Nov 12, 2005 Mark5 0.3 GHz Brisken et al : Resolving scintillation arcs. GM057B Nov 06, 2005 2 1.6 GHz Marcaide al : Expansion of SN1993J. GV017B Nov 03, 2005 1 1.3 GHz Kanekar et al : OH Megamaser at z=0.25 GL028 Oct 29,30,31, 2005 Mark4/5 1.6 GHz Lonsdale et al : Radio Supernovae in Ultraluminous IR galaxies. GB052 Oct 24-25, 2005 2 4.9 GHz Bartel et al : Expansion of SN1986J. GM057A Oct 22, 2005 2 4.9 GHz Marcaide al : Expansion of SN1993J. BB203 B,C,D Sep 4 & 9, 2005 2 4.9 GHz Barvainis et al : Are radio quiet quasars superluminal? BB208 Aug 28, 2005 2 15 GHz Barvainis et al : Imaging a water maser at z=0.66 BJ059 Aug 22, 2005 1 4.9 GHz Jonker et al : Imaging of the jet in a neutron star. BL132 Aug 21, 2005 1 1.4 GHz Lazio et al : HI opacity variations toward 3C147. BB203A Aug 19, 2005 1 4.9 GHz Barvainis et al : Are radio quiet quasars superluminal? BB209B Aug 19, 2005 1 4.9 GHz Boyce et al : Gravitational lens central images. BB202D Aug 5, 2005 2 8.4 GHz Bower et al : Trig parallax of a radio star in the Pleiades. BF084B July 29, 2005 1 8.4 GHz Forbrich et al : Selected protostars for the high sensitivity array. BM223B July 24, 2005 1 4.8 GHz Maccarone et al : M15: emission from intermediate mass black hole candidates. BB191B July 22, 2005 1 4.8 GHz Barvainis et al. : Are radio-quiet quasars superluminal? BU027E July 17, 2005 2 2.4 & 8.4 GHz Ulvestad et al. : Young Supernovae in Arp 299. BF084A July 03, 2005 1 8.4 GHz Forbrich et al : Selected protostars for the high sensitivity array. BM223A June 13, 2005 1 4.8 GHz Maccarone et al : M15: emission from intermediate mass black hole candidates. GT006B June 12, 2005 Mark5 4.8 GHz Taylor et al : GRB 030329 at t+2 years. GB049C June 11,12, 2005 2 4.9 GHz Bartel et al : SN1993J: the center of the shell and its structural and spectral evolution. BW084 June 10, 2005 1 4.8 GHz Winn et al: Central Images in Two Gravitational Lenses. BB209A June 10, 2005 1 8.4 GHz Boyce et al : Gravitational Lens Central Images. AGBT05B_038 June 7, 2005 Mark5 2.1 GHz Kondratiev et al : Giant pulses from B1937+21. BB202C June 04, 2005 2 8.4 GHz Bower & Anderson : Trig Parallax of a radio star in the Pleiades BB204 (ABB204) Sun, May 29, 2005 2 1.6 GHz Biggs et al : Imaging radio jets in the six-lens system CLASS B1359+154. BK114E May 7/8, 2005 2 22 GHz Kondratko et al: Imaging of three Water Megamasers. BK119 (ABK119) Mon, May 02, 2005 1 43 GHz Kemball & Diamond: Sio Maser physics and AGB models. BN031 (ABN031) Sun, May 01, 2005 1 43 GHz Nakashima et al : SiO Maser spots in IRAS 19312+1950. BW080 (ABW080) Sun, May 01, 2005 2 1.4 GHz Wrobel et al : Candidate IMBH in NGC 4395. BF083 (ABF083) Sat, Apr 30, 2005 1 8.4 GHz Forbrich et al : Selected protostars for the high-sensitivity array. BB196 (ABB196) Mon, Apr 25, 2005 2 22 GHz Bartel et al : Resolving the pulsar/black-hole nebula in SN1986J. BK114 C&D Apr 24-25, 2005 4 22 GHz Kondratko et al: Imaging of three Water Megamasers. BN032 (ABN032) Sat, Apr 23, 2005 1 22 GHz Nakai et al : H2O Megamaser in the LINER IC1481. BJ052 (ABJ052) Mar 27, 2005 1 12.2 GHz Jerkstrand et al: Circumstellar methanol disk in NGC 7538-IRS1 BB202B (ABB202B) Mar 26, 2005 2 8.4 GHz Bower & Anderson: Parallax of a radio star in the Pleiades GD017B Mar 7, 2005 2 1.649 GHz Diamond et al : Monitoring the compact emission in ARP 220. GD018 Mar 4, 2005 2 1.416 GHz Darling & Diamond : variable OH megamaser IRAS02524+2046. BU030 A,B,C Feb 26-27, 2005 2 4.9 GHz Ulvestad et al: Young supernovae in super star clusters. GB053 Feb 25, 2005 2 4.8 GHz Bartel & Bietenholz: SN 1979C: expansion, structure, and distance. GM059A Feb 20-21, 2005 2 8.4 GHz Marcaide et al: SN 2004 TOO. BD103 Feb 13, 2005 1 43 GHz Desmurs et al: SiO emission in IRC+10011 BB202A Feb 6-7, 2005 2 8.4 GHz Bower & Anderson: Parallax of a radio star in the Pleiades GG057C Jan 14, 2005 disc 2.040 GHz Gurvits et al. : Huygens Titan probe.
Nature: Overview of descent and landing.
Nature: Vertical profile of winds. BK121 Jan 5,6,10, 2005 ? 1.4 GHz Garrett, Kouveliotou et al. : Multiepoch obs of SGR 1806-20. BU027D Jan 2, 2005 2 2.4 & 8.4 GHz Ulvestad et al. : Young Supernovae in Arp 299. BG155 Dec 30, 2004 2 22 GHz Greenhill et al : Accretion disk in IC2560 BP116 Dec 27, 2004 2 5.0 GHz Piner et al : high brightness temps BJ054 Dec 27, 2004 1 1.66 GHz Jackson et al : 3rd image in Class B1030+074. BB191 Dec 26, 2004 2 4.98 GHz Barvanis et al : Are radio-quiet quasars superluminal? BW076 Dec 24, 2004 2 8.41 GHz Winn et al : Lensing by a supermassive BH. BH128 Dec 23, 2004 1 8.4 GHz Hough & Aars : faint nuclei in FRII quasars. BK114 A&B Nov 27 & 28 2004 4 22 GHz Kondratko et al : three H2O megamasers. BG150 Nov 26, 2004 2 1.4 GHz Giovanni et al : Jet and counter-jet in Mrk 501. BB190 Nov 22, 2004 2 8.4 GHz Bietenholz & Bartel : Does SN2001em have a GRB jet? GG057B Nov 17, 2004 disc 2.4 & 8.4 GHz Gurvits et al: Cassini/Mark5 test. GM055A Oct 31, 2004 2 4.9 GHz Marcaide et al : Expansion of SN 1993j GR024 A,B,C Oct 21&25, 2004 2 320 MHz Ramachandran et al: angular size of pulsars BT075 Sept 4-5, 2004 1 22 GHz Tarchi et al: The water maser in 3C403. GG057A Aug 27, 2004 disc 2.04, 2.45, & 8.4 GHz Gurvits et al: Cassini/Mark 5 Fringe test. BU027C June 27-28, 2004 2 2.2 & 8.4 GHz Ulvestad et al: Young Supernovae in Arp 299. BB187 June 13, 2004 1 2.56 GHz Black & Campbell: Radar of Asteroid Itokawa. GV017 June 9-10, 2004 1 1.33 GHz Kanekar et al: OH Megamaser at z=0.25. GB049B June 6-7, 2004 2 1.67 GHz Bartel et al: SN 1993J. GM051 June 1-2, 2004 2 1.2-1.3 GHz Mack et al: HI Absorption of complete sample. BB183 May 16, 2004 1 43 GHz Bower et al: Intrinsic size and morphology of Sgr A*. BK110 April 26-27, 2004 2 22 GHz Kondratko et al: Imaging of H2O Megamaser in NGC 3393. BW070 April 4-5, 2004 2 43 GHz Walker et al: High sensitivity observation of the M84 jet base. BB178 March 20,21, 2004 2 8.4 GHz Bower & Anderson: Parallaxes of stars in the Pleiades. BS131 March 8,20, 2004 4 43 GHz Shen et al. : Sgr A* at 3mm and 7mm GG053 (A,B,C) Feb 20-23, 2004 3 1.412 Garrett et al : Hubble Deep Field. TG002 Jan 5, 2004 1 43 GHz V.Dhawan: 7mm fringe test. BU027B Dec 29, 2003 2 2.2 & 8.4 GHz Ulvestad al: Supernovae in Arp 299.
Neff, Ulvestad, Teng. ApJ 611: 186, 2004. BU027A Nov 29, 2003 2 2.2 & 8.4 GHz Ulvestad al: Supernovae in Arp 299.
bad weather: bu027b is makeup. GD017A Nov 09, 2003 2 1.65 GHz Diamond al: 18cm obs of Arp 220 BG141 Nov 02, 2003 1 22.16 GHz Greenhill al: Water vapor masers in NGC1386 GT005 Nov 01, 2003 1 8.4 GHz Taylor et al: 4cm obs of GRB 030329 BU025 Oct 3-5 4 8.4 GHz Ulvestad & Elvis: NGC1068 jet GU003 Oct 26-27 & 30-31 4 4.8 & 8.4 GHz Ulvestad & Elvis: NGC1068 nucleus jet BP107 Sept 6-7 2 1.3 GHz Philstrom et al: HI absorbing gas in OQ208 BM193 August 31-Sept 1, 2003 2 4.8 & 8.4 GHz Momjian: Continuum of LIRG NGC7674 BF073 A&B July 30-Aug 1, 2003 4 8.4 Fomalont et al: VLBI&Integral obs of Sco X-1 R1A57C July 19, 2003 2 1.4-1.7 Chatterjee: Pulsar Parallaxes BB169 June 21-22, 2003 -- 8.4 & 15.4 Bartel: search for a pulsar nebula in SN1986J.
Bietenholz, Bartel, and Rupen. Science 304:1947 (25 Jun 2004) BT069E June 20, 2003 -- 8-9GHz Taylor: ToO to resolve gamma-ray burst GRB 030329
Ap.J. Letters 609,L1, July1, 2004. GB046A June 1-2, 2003 -- 4.8 Bartel: SN1993J and the center of M81. GP036 May 29-30, 2003 -- 1.6 Paragi: Low-energy content of SS433 jets astro-ph BM186 May 24-25, 2003 -- 1.6 Momjian: OH megamasers in IRAS17208-0014 BT069 May 19, 2003 -- 22 & 15 Taylor: ToO to resolve GRB 030329 BR085 May 3-4, 2003 -- 15 & 20 Reid: Microwave background temp at z=0.9 BC132 Apr 15-16 & 18-19, 2003 -- 1.42 Carilli: Highest redshift FIR luminous QSOs
Momjian et al BB155 Apr 11-12, 2003 -- 22.2 Ball: H2O maser in M51 AGN BP103 Apr 7-8, 2003 -- 8.42 Perez-Torres: SN2001gd in NGC5033 BG134A March 27, 2003 -- 22.3 Greenhill: Imaging H20 Megamasers R1A57B March 23, 2003 -- 1.4-1.7 Chatterjee: Pulsar Parallaxes BP102 Dec 22, 2002 -- 12.7 Philstrom: Search for excited OH in Cygnus A BT064 A&B Dec 14/15, 2002 -- 1.38 Taylor: HI in the Gigamaser Galaxy TXS2226-184
Ap.J. 612: 780, 2004. R1A57A Nov 26, 2002 -- 1.54 Chatterjee: Pulsar Parallaxes GV016 Nov 18, 2002 -- 1.68 Vermeulen: OH shroud around NGC1052 GM047 Nov 18, 2002 -- 1.66 Marcaide: SN1979C GL026B Nov 16, 2002 -- 1.64 Lonsdale: Arp220 GB045 Nov 10, 2002 -- 4.98 Bartel: SN1986J in NGC891 R1A57A Oct 17, 2002 -- 1.54 Chatterjee: Pulsar Parallaxes - cancelled BA057 Sep 7-14, 2002 -- 8.42 Lestrade: Rho Oph Protocluster kinematics BG125 Aug 3-6, 2002 -- 1.43 Wrobel: Bootes Deep Field
ApJ 619, 105, 2005. W421a5 Jun 28, 2002 -- 4.97 Lobanov: VSOP J1229+02 BP100 Jun 26, 2002 -- 8.42 Perez-Torres: SN2001gd in NGC5033 W405A5 Jun 21, 2002 -- 1.64 Argon: VSOP J1230+12 W406 Jun 16, 2002 -- 4.94 Junor: VSOP J1230+12 BU022 May 16, 2002 -- 15.4 Ulvestad: NGC4151 Nucleus (astro-ph)
ApJ 130, 936, (Sept 2005) BS113 May 14, 2002 -- 1.42/ 1.68 Stairs: BL106 May 12, 2002 -- 1.42 Lazio: AU-scale HI opacity variations astro-ph
AJ 130, 698, 2005.
(GBT data not used due to servo and weather problems.) BU024 Apr 29, 2002 -- 2.25/ 15.1 Ulvestad: NGC3690 (ARP299) BF066D Mar 22, 2002 -- 1.43 Fomalont: SA13 BF066C Mar 21, 2002 -- 1.43 Fomalont: SA13 BF066B Mar 19, 2002 -- 1.43 Fomalont: SA13 GL026 Feb 24, 2002 -- 1.66 Lonsdale: Arp220 W405A2 Dec 22, 2001 -- 1.66 Argon : Nuclear jet in M87 (fringe test)
  Notes    Corr.notes [probably wrong polarization sense] GBTTI2 December 15, 2001 -- 8.4 "ties" with 20-meter GBTTIE November 16, 2001 -- 8.4 "ties" with 20-meter TA026 August 15, 2001 -- 2.36 Arecibo-GBT-VLBA Fringe test TF019[d-f] July 17, 2001 -- --- 512-Mbps Formatter, 2-tape test TF019[a-c] June 22, 2001 -- --- 512-Mbps Formatter, 2-tape test --->