TOI-2154
RA: 04h 44m 06.87s, DE: +84° 21' 51.12" (71.0286249950, 84.3642000000)
3/4/2025, 7:03 PM - 3/5/2025, 12:41 AM (UTC)
- Observer: Alessandro Marchini
- Created: 3/5/2025 11:40:25 PM
-
Station:
Astronomical Observatory, University of Siena (K54)
Lat: +43°, Long: +11° - Instrument: Telescope Mak-Cas 0.3m f/5.6, CCD Sbig STL-6303, BVRI filters
- Photometric band: Rc
- Time standard: Gjd
- Brightness in: Mag
Note:
Photometric analysis performed with 1 comparison star and 2 check stars.
Binning: 1x1 (1.15 arcsec/pixel)
Filter: Rc
Meridian flip: none, sessions tarted altready flipped.
Moon: 30% illuminated at 63 degrees, set at 23:05.
Sky: clear; seeing 4/5.
Defocus: defocused, initial FWHM ~ 9 arcsec.
--- Weather conditions ---
Int: temp inside the observatory dome (read on focuser sensor)
Ext: temp, humidity, pressure read from a weather station 2 km South of the observatory, at lower altitude and out of the town boundaries:
http://www.associazionemeteosenese.it/siena4/wxindex.php
TEMP°C
Hour Int Ext H% Pres(hPa)
19:00 11.8 6.5 72 1025
20:00 10.9 4.6 78 1026
21:00 10.0 3.6 83 1026
23:20 7.3 1.4 88 1026
00:05 6.9 0.9 89 1026
00:40 6.3 0.4 89 1027
Determined transits
-
2460739.42166 (3/4/2025, 22:07)
Planet designation: TOI-2154 b
HJDmid: 2460739.42222 +/- 0.00177
Heliocentric correction: 0.00056
Transit depth (Mag): 0.00767 +/- 0.00085
Transit duration (Min): 137.05 +/- 7.89
Standard deviation (mmag): 1.8
Data quality index: 3
Data density (data/min): 0.28
Fitting algorithm: Original ETD
Note:Photometric analysis performed with 1 comparison star and 2 check stars. Binning: 1x1 (1.15 arcsec/pixel) Filter: Rc Meridian flip: none, sessions tarted altready flipped. Moon: 30% illuminated at 63 degrees, set at 23:05. Sky: clear; seeing 4/5. Defocus: defocused, initial FWHM ~ 9 arcsec. --- Weather conditions --- Int: temp inside the observatory dome (read on focuser sensor) Ext: temp, humidity, pressure read from a weather station 2 km South of the observatory, at lower altitude and out of the town boundaries: http://www.associazionemeteosenese.it/siena4/wxindex.php TEMP°C Hour Int Ext H% Pres(hPa) 19:00 11.8 6.5 72 1025 20:00 10.9 4.6 78 1026 21:00 10.0 3.6 83 1026 23:20 7.3 1.4 88 1026 00:05 6.9 0.9 89 1026 00:40 6.3 0.4 89 1027 -
2460739.42211 (3/4/2025, 22:07)
Planet designation: TOI-2154 b
HJDmid: 2460739.42267 +/- 0.00166
Heliocentric correction: 0.00056
Transit depth (Mag): 0.00959 +/- 0.00062
Transit duration (Min): 154.96 +/- 7.16
Standard deviation (mmag): 1.87
Data quality index: 3
Data density (data/min): 0.28
Fitting algorithm: Original ETD
Note:Photometric analysis performed with 1 comparison star and 2 check stars. Binning: 1x1 (1.15 arcsec/pixel) Filter: Rc Meridian flip: none, sessions tarted altready flipped. Moon: 30% illuminated at 63 degrees, set at 23:05. Sky: clear; seeing 4/5. Defocus: defocused, initial FWHM ~ 9 arcsec. --- Weather conditions --- Int: temp inside the observatory dome (read on focuser sensor) Ext: temp, humidity, pressure read from a weather station 2 km South of the observatory, at lower altitude and out of the town boundaries: http://www.associazionemeteosenese.it/siena4/wxindex.php TEMP°C Hour Int Ext H% Pres(hPa) 19:00 11.8 6.5 72 1025 20:00 10.9 4.6 78 1026 21:00 10.0 3.6 83 1026 23:20 7.3 1.4 88 1026 00:05 6.9 0.9 89 1026 00:40 6.3 0.4 89 1027
. . .