Exposure
ID
PIONI.2025-09-22T00:34:15.346_1
Header ID
PIONI.2025-09-22T00:34:15.346
Date updated
2025-09-22 00:40:52 UTC+0000
Release date
2025-09-22 00:34:15 UTC+0000
UTC Start
2025-09-22 00:34:15.346
UTC End
2025-09-22 00:34:53.746
MJD Start
60940.023788726
MJD End
60940.02423317044
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.003799
Ambient temperature (°C)
11.95
Seeing (arcsec)
0.935
Observation
ID
70482
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
52265
Name
HD 166562
RA
272.817293
DEC
-0.65932
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 75.2600 75.1060 119.2000 119.2000
A0-J2 114.8870 114.6790 93.2000 93.2000
A0-K0 122.1500 122.0220 72.1780 72.1610
G1-J2 57.5430 57.5160 58.3000 58.3000
G1-K0 89.6730 89.6970 34.3220 34.3460
J2-K0 43.8870 43.8890 2.0620 2.1610
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 60940.023788726
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 166562
RA 272.817293
DEC -0.65932
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
HIERARCH ESO DET DIT 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 75.26
HIERARCH ESO ISS PBL12 END 75.106
HIERARCH ESO ISS PBLA12 START 119.2
HIERARCH ESO ISS PBLA12 END 119.2
HIERARCH ESO ISS PBL13 START 114.887
HIERARCH ESO ISS PBL13 END 114.679
HIERARCH ESO ISS PBLA13 START 93.2
HIERARCH ESO ISS PBLA13 END 93.2
HIERARCH ESO ISS PBL14 START 122.15
HIERARCH ESO ISS PBL14 END 122.022
HIERARCH ESO ISS PBLA14 START 72.178
HIERARCH ESO ISS PBLA14 END 72.161
HIERARCH ESO ISS PBL23 START 57.543
HIERARCH ESO ISS PBL23 END 57.516
HIERARCH ESO ISS PBLA23 START 58.3
HIERARCH ESO ISS PBLA23 END 58.3
HIERARCH ESO ISS PBL24 START 89.673
HIERARCH ESO ISS PBL24 END 89.697
HIERARCH ESO ISS PBLA24 START 34.322
HIERARCH ESO ISS PBLA24 END 34.346
HIERARCH ESO ISS PBL34 START 43.887
HIERARCH ESO ISS PBL34 END 43.889
HIERARCH ESO ISS PBLA34 START 2.062
HIERARCH ESO ISS PBLA34 END 2.161
HIERARCH ESO ISS AMBI TAU0 START 0.003799
HIERARCH ESO ISS AMBI TAU0 END 0.003799
HIERARCH ESO ISS AMBI TEMP 11.95
HIERARCH ESO ISS AMBI FWHM START 0.87
HIERARCH ESO ISS AMBI FWHM END 1.0