Exposure
ID
PIONI.2025-07-23T02:35:03.982_1
Header ID
PIONI.2025-07-23T02:35:03.982
Date updated
2025-07-23 02:40:48 UTC+0000
Release date
2025-07-23 02:35:03 UTC+0000
UTC Start
2025-07-23 02:35:03.982
UTC End
2025-07-23 02:35:29.582
MJD Start
60879.1076849811
MJD End
60879.1079812774
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004116
Ambient temperature (°C)
13.29
Seeing (arcsec)
1.24
Observation
ID
68884
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
51248
Name
HD 166562
RA
272.817293
DEC
-0.65931
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 89.8550 89.8280 113.8000 113.8000
A0-J2 129.1080 129.1230 92.5000 92.5000
A0-K0 125.5810 125.6430 72.3310 72.3410
G1-J2 55.8150 55.8510 56.9000 56.9000
G1-K0 83.2190 83.2610 26.7200 26.7790
J2-K0 44.8150 44.8050 347.9870 348.0510
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 60879.1076849811
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 166562
RA 272.817293
DEC -0.65931
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 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 89.855
HIERARCH ESO ISS PBL12 END 89.828
HIERARCH ESO ISS PBLA12 START 113.8
HIERARCH ESO ISS PBLA12 END 113.8
HIERARCH ESO ISS PBL13 START 129.108
HIERARCH ESO ISS PBL13 END 129.123
HIERARCH ESO ISS PBLA13 START 92.5
HIERARCH ESO ISS PBLA13 END 92.5
HIERARCH ESO ISS PBL14 START 125.581
HIERARCH ESO ISS PBL14 END 125.643
HIERARCH ESO ISS PBLA14 START 72.331
HIERARCH ESO ISS PBLA14 END 72.341
HIERARCH ESO ISS PBL23 START 55.815
HIERARCH ESO ISS PBL23 END 55.851
HIERARCH ESO ISS PBLA23 START 56.9
HIERARCH ESO ISS PBLA23 END 56.9
HIERARCH ESO ISS PBL24 START 83.219
HIERARCH ESO ISS PBL24 END 83.261
HIERARCH ESO ISS PBLA24 START 26.72
HIERARCH ESO ISS PBLA24 END 26.779
HIERARCH ESO ISS PBL34 START 44.815
HIERARCH ESO ISS PBL34 END 44.805
HIERARCH ESO ISS PBLA34 START 347.987
HIERARCH ESO ISS PBLA34 END 348.051
HIERARCH ESO ISS AMBI TAU0 START 0.004116
HIERARCH ESO ISS AMBI TAU0 END 0.004116
HIERARCH ESO ISS AMBI TEMP 13.29
HIERARCH ESO ISS AMBI FWHM START 1.24
HIERARCH ESO ISS AMBI FWHM END 1.24