TOI-2154

RA: 04h 44m 06.87s, DE: +84° 21' 51.12" (71.0286249950, 84.3642000000)

3/4/2025, 7:41 PM - 3/5/2025, 12:04 AM (UTC)

Data:

  • Observer: Mark Salisbury
  • Created: 3/17/2025 7:51:01 AM
  • Updated: 3/17/2025 7:52:26 AM
  • Station: Private Observatory
    Lat: +51°, Long: +01°
  • Instrument: 400mm f6.8 ODK, ST10XME, J/C Filters
  • Photometric band: Rc
  • Time standard: Gjd
  • Brightness in: Flux
Note:
Observation made for Spring simultaneous observing campaign, limited comp stars as per campaign requirement.
Clear & cold, very high moisture (no wind).  Scatter increased during observation, suspect dew formation on mirrors.  240 second exposure through Rc filter, GPS time control.
Determined transits
  • 2460739.41831 (3/4/2025, 22:02)
    Planet designation: TOI-2154 b
    HJDmid: 2460739.41887 +/- 0.00106
    Heliocentric correction: 0.00056
    Transit depth (Mag): 0.01131 +/- 0.00051
    Transit duration (Min): 148.42 +/- 4.60
    Standard deviation (mmag): 1.23
    Data quality index: 3
    Data density (data/min): 0.23
    Fitting algorithm: Original ETD
    Note:
    Observation made for Spring simultaneous observing campaign, limited comp stars as per campaign requirement.
    Clear & cold, very high moisture (no wind).  Scatter increased during observation, suspect dew formation on mirrors.
  • 2460739.41831 (3/4/2025, 22:02)
    Planet designation: TOI-2154 b
    HJDmid: 2460739.41887 +/- 0.00106
    Heliocentric correction: 0.00056
    Transit depth (Mag): 0.01131 +/- 0.00051
    Transit duration (Min): 148.42 +/- 4.60
    Standard deviation (mmag): 1.23
    Data quality index: 3
    Data density (data/min): 0.23
    Fitting algorithm: Original ETD
    Note:
    Observation made for Spring simultaneous observing campaign, limited comp stars as per campaign requirement.
    Clear & cold, very high moisture (no wind).  Scatter increased during observation, suspect dew formation on mirrors.  240 second exposure through Rc filter, GPS time control.
Actions:

Light curve
Neighborhood of the object, comparison and check stars
Comments