Exposure
ID
PIONI.2025-06-02T03:22:15.091_1
Header ID
PIONI.2025-06-02T03:22:15.091
Date updated
2025-06-02 03:31:15 UTC+0000
Release date
2025-06-02 03:22:15 UTC+0000
UTC Start
2025-06-02 03:22:15.091
UTC End
2025-06-02 03:22:53.491
MJD Start
60828.1404524371
MJD End
60828.140896881545
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0052345
Ambient temperature (°C)
12.25
Seeing (arcsec)
0.475
Observation
ID
67683
Category
calibrator
Program ID
115.283B.001
Program Title
WHAT MAKES THE SYMBIOTIC GIANT IN FG SER BREATHE?
Program Type
Normal
PI / COI
MERC / BOFFIN
Target
ID
50336
Name
HD 166235
RA
272.420295
DEC
0.82288
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 48.6320 48.6360 143.2000 143.1000
A0-J2 98.3560 98.6540 94.1000 94.1000
A0-J6 137.8550 137.8900 5.5280 5.6720
B5-J2 75.9790 76.2460 65.1000 65.2000
B5-J6 176.8430 176.8120 354.8470 354.9570
J2-J6 167.2890 167.2610 329.5360 329.5510
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.283B.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60828.1404524371
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 166235
RA 272.420295
DEC 0.82288
HIERARCH ESO INS OPTI2 NAME GRISM
HIERARCH ESO INS OPTI2 ID GRISM
HIERARCH ESO INS FILT1 NAME H
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
HIERARCH ESO DET DIT 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 48.632
HIERARCH ESO ISS PBL12 END 48.636
HIERARCH ESO ISS PBLA12 START 143.2
HIERARCH ESO ISS PBLA12 END 143.1
HIERARCH ESO ISS PBL13 START 98.356
HIERARCH ESO ISS PBL13 END 98.654
HIERARCH ESO ISS PBLA13 START 94.1
HIERARCH ESO ISS PBLA13 END 94.1
HIERARCH ESO ISS PBL14 START 137.855
HIERARCH ESO ISS PBL14 END 137.89
HIERARCH ESO ISS PBLA14 START 5.528
HIERARCH ESO ISS PBLA14 END 5.672
HIERARCH ESO ISS PBL23 START 75.979
HIERARCH ESO ISS PBL23 END 76.246
HIERARCH ESO ISS PBLA23 START 65.1
HIERARCH ESO ISS PBLA23 END 65.2
HIERARCH ESO ISS PBL24 START 176.843
HIERARCH ESO ISS PBL24 END 176.812
HIERARCH ESO ISS PBLA24 START 354.847
HIERARCH ESO ISS PBLA24 END 354.957
HIERARCH ESO ISS PBL34 START 167.289
HIERARCH ESO ISS PBL34 END 167.261
HIERARCH ESO ISS PBLA34 START 329.536
HIERARCH ESO ISS PBLA34 END 329.551
HIERARCH ESO ISS AMBI TAU0 START 0.005305
HIERARCH ESO ISS AMBI TAU0 END 0.005164
HIERARCH ESO ISS AMBI TEMP 12.25
HIERARCH ESO ISS AMBI FWHM START 0.48
HIERARCH ESO ISS AMBI FWHM END 0.47