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Table 1:

Log of the ROSAT and XMM-Newton observations and of the optical photometry of AI Tri.

Date
Telescopea Instrument Filter $t_{\rm exp} [{\rm s}]$ $t_{\rm cycle} [{\rm s}]$ Duration [h] Observer
1998 Jan. 15-Feb. 05 ROSAT HRI 0.1-2.4 keV     9.6 PI Schwarz
2005 Aug. 15 XMM-Newton EPIC/pn 0.1-10 keV     0.3 PI Reinsch
2005 Aug. 15 XMM-Newton EPIC/MOS 0.1-10 keV     1.4 PI Reinsch
2005 Aug. 15 XMM-Newton OM UVM2     1.1 PI Reinsch
2005 Aug. 15 XMM-Newton RGS 0.3-2.5 keV     1.3 PI Reinsch
2005 Aug. 22 XMM-Newton EPIC 0.1-10 keV     5.6 PI Reinsch
2005 Aug. 22 XMM-Newton OM UVM2     5.6 PI Reinsch
2005 Aug. 17 AIP 70 cm TK1024-01 V 60 66 6.5 Schwarz
2005 Aug. 29 AIP 70 cm TK1024-01 V 60 66 7.6 Schwarz
2006 Nov. 09 IAG 50 cm STL-6303E WL 180 191 6.6 Traulsen
2006 Nov. 15 IAG 50 cm STL-6303E V 240 251 4.7 Traulsen
2006 Nov. 16 IAG 50 cm STL-6303E V 240 247 1.8 Traulsen
2007 Jan. 14 IAG 50 cm STL-6303E V 90-180 97-187 2.2 Traulsen
2007 Jan. 25 AIP 70 cm TK1024-01 V 90 95 4.6 Schwarz
2007 Jan. 29 M ONET/North Alta E47+ V 15 18 1.8 Hessman
2007 Jan. 30 M ONET/North Alta E47+ V 15 18 2.0 Hessman
2007 Mar. 14 IAG 50 cm STL-6303E V 150 157 1.8 Traulsen
2007 Mar. 14 AIT 80 cm STL-1001E V 20-30 23-33 1.5 Nagel

Notes. (a) AIP: Astrophysikalisches Institut Potsdam. IAG: Institut für Astrophysik Göttingen. AIT: Institut für Astronomie und Astrophysik Tübingen, Abt. Astronomie (Kepler Center for Astro and Particle Physics).


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