Exposure
ID
PIONI.2025-09-22T00:00:56.114_1
Header ID
PIONI.2025-09-22T00:00:56.114
Date updated
2025-09-22 00:10:54 UTC+0000
Release date
2025-09-22 00:00:56 UTC+0000
UTC Start
2025-09-22 00:00:56.114
UTC End
2025-09-22 00:01:34.514
MJD Start
60940.000649469
MJD End
60940.001093913444
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.003811
Ambient temperature (°C)
11.78
Seeing (arcsec)
0.675
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 81.0930 80.9670 116.8000 116.8000
A0-J2 122.2540 122.1070 92.9000 92.9000
A0-K0 126.2620 126.1920 72.6820 72.6740
G1-J2 58.2040 58.1990 58.6000 58.6000
G1-K0 88.4040 88.4410 32.9990 33.0380
J2-K0 43.8850 43.8830 357.9650 358.0630
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 60940.000649469
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 81.093
HIERARCH ESO ISS PBL12 END 80.967
HIERARCH ESO ISS PBLA12 START 116.8
HIERARCH ESO ISS PBLA12 END 116.8
HIERARCH ESO ISS PBL13 START 122.254
HIERARCH ESO ISS PBL13 END 122.107
HIERARCH ESO ISS PBLA13 START 92.9
HIERARCH ESO ISS PBLA13 END 92.9
HIERARCH ESO ISS PBL14 START 126.262
HIERARCH ESO ISS PBL14 END 126.192
HIERARCH ESO ISS PBLA14 START 72.682
HIERARCH ESO ISS PBLA14 END 72.674
HIERARCH ESO ISS PBL23 START 58.204
HIERARCH ESO ISS PBL23 END 58.199
HIERARCH ESO ISS PBLA23 START 58.6
HIERARCH ESO ISS PBLA23 END 58.6
HIERARCH ESO ISS PBL24 START 88.404
HIERARCH ESO ISS PBL24 END 88.441
HIERARCH ESO ISS PBLA24 START 32.999
HIERARCH ESO ISS PBLA24 END 33.038
HIERARCH ESO ISS PBL34 START 43.885
HIERARCH ESO ISS PBL34 END 43.883
HIERARCH ESO ISS PBLA34 START 357.965
HIERARCH ESO ISS PBLA34 END 358.063
HIERARCH ESO ISS AMBI TAU0 START 0.003811
HIERARCH ESO ISS AMBI TAU0 END 0.003811
HIERARCH ESO ISS AMBI TEMP 11.78
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.69