Exposure
ID
PIONI.2025-06-01T03:22:57.789_1
Header ID
PIONI.2025-06-01T03:22:57.789
Date updated
2025-06-01 03:31:49 UTC+0000
Release date
2025-06-01 03:22:57 UTC+0000
UTC Start
2025-06-01 03:22:57.789
UTC End
2025-06-01 03:23:36.189
MJD Start
60827.1409466299
MJD End
60827.14139107434
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.010839000000000001
Ambient temperature (°C)
14.07
Seeing (arcsec)
0.255
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 48.6170 48.6220 143.2000 143.2000
A0-J2 97.1690 97.4720 94.1000 94.1000
A0-J6 137.7280 137.7590 4.9630 5.1060
B5-J2 74.9240 75.1920 64.8000 64.9000
B5-J6 176.9710 176.9380 354.4180 354.5260
J2-J6 167.3920 167.3670 329.4890 329.5000
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 60827.1409466299
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 48.617
HIERARCH ESO ISS PBL12 END 48.622
HIERARCH ESO ISS PBLA12 START 143.2
HIERARCH ESO ISS PBLA12 END 143.2
HIERARCH ESO ISS PBL13 START 97.169
HIERARCH ESO ISS PBL13 END 97.472
HIERARCH ESO ISS PBLA13 START 94.1
HIERARCH ESO ISS PBLA13 END 94.1
HIERARCH ESO ISS PBL14 START 137.728
HIERARCH ESO ISS PBL14 END 137.759
HIERARCH ESO ISS PBLA14 START 4.963
HIERARCH ESO ISS PBLA14 END 5.106
HIERARCH ESO ISS PBL23 START 74.924
HIERARCH ESO ISS PBL23 END 75.192
HIERARCH ESO ISS PBLA23 START 64.8
HIERARCH ESO ISS PBLA23 END 64.9
HIERARCH ESO ISS PBL24 START 176.971
HIERARCH ESO ISS PBL24 END 176.938
HIERARCH ESO ISS PBLA24 START 354.418
HIERARCH ESO ISS PBLA24 END 354.526
HIERARCH ESO ISS PBL34 START 167.392
HIERARCH ESO ISS PBL34 END 167.367
HIERARCH ESO ISS PBLA34 START 329.489
HIERARCH ESO ISS PBLA34 END 329.5
HIERARCH ESO ISS AMBI TAU0 START 0.010351
HIERARCH ESO ISS AMBI TAU0 END 0.011327
HIERARCH ESO ISS AMBI TEMP 14.07
HIERARCH ESO ISS AMBI FWHM START 0.26
HIERARCH ESO ISS AMBI FWHM END 0.25