Exposure
ID
PIONI.2025-09-23T00:26:32.221_1
Header ID
PIONI.2025-09-23T00:26:32.221
Date updated
2025-09-23 00:35:44 UTC+0000
Release date
2025-09-23 00:26:32 UTC+0000
UTC Start
2025-09-23 00:26:32.221
UTC End
2025-09-23 00:27:10.621
MJD Start
60941.018428483
MJD End
60941.018872927445
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.009094
Ambient temperature (°C)
14.41
Seeing (arcsec)
0.78
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 75.9790 75.8280 118.8000 118.9000
A0-J2 115.8480 115.6480 93.2000 93.2000
A0-K0 122.7360 122.6150 72.2570 72.2410
G1-J2 57.6630 57.6390 58.4000 58.4000
G1-K0 89.5570 89.5820 34.2040 34.2300
J2-K0 43.8750 43.8770 1.6000 1.6990
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 60941.018428483
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 75.979
HIERARCH ESO ISS PBL12 END 75.828
HIERARCH ESO ISS PBLA12 START 118.8
HIERARCH ESO ISS PBLA12 END 118.9
HIERARCH ESO ISS PBL13 START 115.848
HIERARCH ESO ISS PBL13 END 115.648
HIERARCH ESO ISS PBLA13 START 93.2
HIERARCH ESO ISS PBLA13 END 93.2
HIERARCH ESO ISS PBL14 START 122.736
HIERARCH ESO ISS PBL14 END 122.615
HIERARCH ESO ISS PBLA14 START 72.257
HIERARCH ESO ISS PBLA14 END 72.241
HIERARCH ESO ISS PBL23 START 57.663
HIERARCH ESO ISS PBL23 END 57.639
HIERARCH ESO ISS PBLA23 START 58.4
HIERARCH ESO ISS PBLA23 END 58.4
HIERARCH ESO ISS PBL24 START 89.557
HIERARCH ESO ISS PBL24 END 89.582
HIERARCH ESO ISS PBLA24 START 34.204
HIERARCH ESO ISS PBLA24 END 34.23
HIERARCH ESO ISS PBL34 START 43.875
HIERARCH ESO ISS PBL34 END 43.877
HIERARCH ESO ISS PBLA34 START 1.6
HIERARCH ESO ISS PBLA34 END 1.699
HIERARCH ESO ISS AMBI TAU0 START 0.009094
HIERARCH ESO ISS AMBI TAU0 END 0.009094
HIERARCH ESO ISS AMBI TEMP 14.41
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.8