Exposure
ID
PIONI.2025-09-23T01:05:27.094_1
Header ID
PIONI.2025-09-23T01:05:27.094
Date updated
2025-09-23 01:16:02 UTC+0000
Release date
2025-09-23 01:05:27 UTC+0000
UTC Start
2025-09-23 01:05:27.094
UTC End
2025-09-23 01:06:05.494
MJD Start
60941.0454524765
MJD End
60941.04589692094
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0064104999999999995
Ambient temperature (°C)
14.5
Seeing (arcsec)
0.725
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 67.9970 67.8180 122.7000 122.8000
A0-J2 104.5000 104.2290 93.7000 93.7000
A0-K0 115.2990 115.1150 71.1840 71.1550
G1-J2 55.8990 55.8510 57.4000 57.4000
G1-K0 90.3870 90.3950 35.0780 35.0880
J2-K0 44.1200 44.1280 6.3110 6.4060
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 60941.0454524765
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 67.997
HIERARCH ESO ISS PBL12 END 67.818
HIERARCH ESO ISS PBLA12 START 122.7
HIERARCH ESO ISS PBLA12 END 122.8
HIERARCH ESO ISS PBL13 START 104.5
HIERARCH ESO ISS PBL13 END 104.229
HIERARCH ESO ISS PBLA13 START 93.7
HIERARCH ESO ISS PBLA13 END 93.7
HIERARCH ESO ISS PBL14 START 115.299
HIERARCH ESO ISS PBL14 END 115.115
HIERARCH ESO ISS PBLA14 START 71.184
HIERARCH ESO ISS PBLA14 END 71.155
HIERARCH ESO ISS PBL23 START 55.899
HIERARCH ESO ISS PBL23 END 55.851
HIERARCH ESO ISS PBLA23 START 57.4
HIERARCH ESO ISS PBLA23 END 57.4
HIERARCH ESO ISS PBL24 START 90.387
HIERARCH ESO ISS PBL24 END 90.395
HIERARCH ESO ISS PBLA24 START 35.078
HIERARCH ESO ISS PBLA24 END 35.088
HIERARCH ESO ISS PBL34 START 44.12
HIERARCH ESO ISS PBL34 END 44.128
HIERARCH ESO ISS PBLA34 START 6.311
HIERARCH ESO ISS PBLA34 END 6.406
HIERARCH ESO ISS AMBI TAU0 START 0.007532
HIERARCH ESO ISS AMBI TAU0 END 0.005289
HIERARCH ESO ISS AMBI TEMP 14.5
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.76