Exposure
ID
PIONI.2025-09-25T01:11:32.746_1
Header ID
PIONI.2025-09-25T01:11:32.746
Date updated
2025-09-25 01:20:45 UTC+0000
Release date
2025-09-25 01:11:32 UTC+0000
UTC Start
2025-09-25 01:11:32.746
UTC End
2025-09-25 01:12:11.146
MJD Start
60943.0496845627
MJD End
60943.05012900714
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0075735
Ambient temperature (°C)
17.27
Seeing (arcsec)
0.665
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 64.8750 64.6890 124.6000 124.7000
A0-J2 99.6780 99.3840 93.9000 93.9000
A0-K0 111.9090 111.6990 70.6330 70.5990
G1-J2 54.9910 54.9340 56.8000 56.8000
G1-K0 90.4780 90.4800 35.2010 35.2060
J2-K0 44.2740 44.2840 7.9470 8.0420
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 60943.0496845627
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 64.875
HIERARCH ESO ISS PBL12 END 64.689
HIERARCH ESO ISS PBLA12 START 124.6
HIERARCH ESO ISS PBLA12 END 124.7
HIERARCH ESO ISS PBL13 START 99.678
HIERARCH ESO ISS PBL13 END 99.384
HIERARCH ESO ISS PBLA13 START 93.9
HIERARCH ESO ISS PBLA13 END 93.9
HIERARCH ESO ISS PBL14 START 111.909
HIERARCH ESO ISS PBL14 END 111.699
HIERARCH ESO ISS PBLA14 START 70.633
HIERARCH ESO ISS PBLA14 END 70.599
HIERARCH ESO ISS PBL23 START 54.991
HIERARCH ESO ISS PBL23 END 54.934
HIERARCH ESO ISS PBLA23 START 56.8
HIERARCH ESO ISS PBLA23 END 56.8
HIERARCH ESO ISS PBL24 START 90.478
HIERARCH ESO ISS PBL24 END 90.48
HIERARCH ESO ISS PBLA24 START 35.201
HIERARCH ESO ISS PBLA24 END 35.206
HIERARCH ESO ISS PBL34 START 44.274
HIERARCH ESO ISS PBL34 END 44.284
HIERARCH ESO ISS PBLA34 START 7.947
HIERARCH ESO ISS PBLA34 END 8.042
HIERARCH ESO ISS AMBI TAU0 START 0.007093
HIERARCH ESO ISS AMBI TAU0 END 0.008054
HIERARCH ESO ISS AMBI TEMP 17.27
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.66