Exposure
ID
PIONI.2025-09-25T00:42:42.344_1
Header ID
PIONI.2025-09-25T00:42:42.344
Date updated
2025-09-25 00:51:00 UTC+0000
Release date
2025-09-25 00:42:42 UTC+0000
UTC Start
2025-09-25 00:42:42.344
UTC End
2025-09-25 00:43:20.744
MJD Start
60943.0296567609
MJD End
60943.03010120534
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.006692
Ambient temperature (°C)
17.68
Seeing (arcsec)
0.65
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 71.1910 71.0200 121.1000 121.1000
A0-J2 109.2140 108.9670 93.5000 93.5000
A0-K0 118.5070 118.3420 71.6690 71.6460
G1-J2 56.7120 56.6710 57.9000 57.9000
G1-K0 90.1670 90.1820 34.8360 34.8530
J2-K0 43.9930 43.9990 4.5270 4.6280
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 60943.0296567609
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 71.191
HIERARCH ESO ISS PBL12 END 71.02
HIERARCH ESO ISS PBLA12 START 121.1
HIERARCH ESO ISS PBLA12 END 121.1
HIERARCH ESO ISS PBL13 START 109.214
HIERARCH ESO ISS PBL13 END 108.967
HIERARCH ESO ISS PBLA13 START 93.5
HIERARCH ESO ISS PBLA13 END 93.5
HIERARCH ESO ISS PBL14 START 118.507
HIERARCH ESO ISS PBL14 END 118.342
HIERARCH ESO ISS PBLA14 START 71.669
HIERARCH ESO ISS PBLA14 END 71.646
HIERARCH ESO ISS PBL23 START 56.712
HIERARCH ESO ISS PBL23 END 56.671
HIERARCH ESO ISS PBLA23 START 57.9
HIERARCH ESO ISS PBLA23 END 57.9
HIERARCH ESO ISS PBL24 START 90.167
HIERARCH ESO ISS PBL24 END 90.182
HIERARCH ESO ISS PBLA24 START 34.836
HIERARCH ESO ISS PBLA24 END 34.853
HIERARCH ESO ISS PBL34 START 43.993
HIERARCH ESO ISS PBL34 END 43.999
HIERARCH ESO ISS PBLA34 START 4.527
HIERARCH ESO ISS PBLA34 END 4.628
HIERARCH ESO ISS AMBI TAU0 START 0.006692
HIERARCH ESO ISS AMBI TAU0 END 0.006692
HIERARCH ESO ISS AMBI TEMP 17.68
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.65