Exposure
ID
PIONI.2025-09-22T00:30:53.445_1
Header ID
PIONI.2025-09-22T00:30:53.445
Date updated
2025-09-22 00:40:52 UTC+0000
Release date
2025-09-22 00:30:53 UTC+0000
UTC Start
2025-09-22 00:30:53.445
UTC End
2025-09-22 00:31:31.845
MJD Start
60940.0214519128
MJD End
60940.02189635724
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.004047
Ambient temperature (°C)
11.89
Seeing (arcsec)
0.745
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 75.9010 75.7470 118.9000 118.9000
A0-J2 115.7440 115.5390 93.2000 93.2000
A0-K0 122.6730 122.5490 72.2470 72.2310
G1-J2 57.6500 57.6250 58.4000 58.4000
G1-K0 89.5700 89.5960 34.2150 34.2420
J2-K0 43.8770 43.8790 1.6490 1.7490
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 60940.0214519128
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 75.901
HIERARCH ESO ISS PBL12 END 75.747
HIERARCH ESO ISS PBLA12 START 118.9
HIERARCH ESO ISS PBLA12 END 118.9
HIERARCH ESO ISS PBL13 START 115.744
HIERARCH ESO ISS PBL13 END 115.539
HIERARCH ESO ISS PBLA13 START 93.2
HIERARCH ESO ISS PBLA13 END 93.2
HIERARCH ESO ISS PBL14 START 122.673
HIERARCH ESO ISS PBL14 END 122.549
HIERARCH ESO ISS PBLA14 START 72.247
HIERARCH ESO ISS PBLA14 END 72.231
HIERARCH ESO ISS PBL23 START 57.65
HIERARCH ESO ISS PBL23 END 57.625
HIERARCH ESO ISS PBLA23 START 58.4
HIERARCH ESO ISS PBLA23 END 58.4
HIERARCH ESO ISS PBL24 START 89.57
HIERARCH ESO ISS PBL24 END 89.596
HIERARCH ESO ISS PBLA24 START 34.215
HIERARCH ESO ISS PBLA24 END 34.242
HIERARCH ESO ISS PBL34 START 43.877
HIERARCH ESO ISS PBL34 END 43.879
HIERARCH ESO ISS PBLA34 START 1.649
HIERARCH ESO ISS PBLA34 END 1.749
HIERARCH ESO ISS AMBI TAU0 START 0.004047
HIERARCH ESO ISS AMBI TAU0 END 0.004047
HIERARCH ESO ISS AMBI TEMP 11.89
HIERARCH ESO ISS AMBI FWHM START 0.78
HIERARCH ESO ISS AMBI FWHM END 0.71