Exposure
ID
PIONI.2025-06-02T03:38:21.312_1
Header ID
PIONI.2025-06-02T03:38:21.312
Date updated
2025-06-02 03:46:33 UTC+0000
Release date
2025-06-02 03:38:21 UTC+0000
UTC Start
2025-06-02 03:38:21.312
UTC End
2025-06-02 03:38:59.712
MJD Start
60828.1516355569
MJD End
60828.15208000134
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0056524999999999995
Ambient temperature (°C)
11.78
Seeing (arcsec)
0.6599999999999999
Observation
ID
67681
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
50334
Name
HD 166562
RA
272.817848
DEC
-0.65931
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 48.6520 48.6540 143.1000 143.1000
A0-J2 103.3450 103.6210 92.7000 92.7000
A0-J6 141.0540 141.1000 7.9050 8.0440
B5-J2 81.4250 81.6740 65.3000 65.4000
B5-J6 178.8660 178.8480 356.8460 356.9570
J2-J6 167.1340 167.1040 329.9010 329.9230
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 60828.1516355569
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 166562
RA 272.817848
DEC -0.65931
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
HIERARCH ESO DET DIT 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 48.652
HIERARCH ESO ISS PBL12 END 48.654
HIERARCH ESO ISS PBLA12 START 143.1
HIERARCH ESO ISS PBLA12 END 143.1
HIERARCH ESO ISS PBL13 START 103.345
HIERARCH ESO ISS PBL13 END 103.621
HIERARCH ESO ISS PBLA13 START 92.7
HIERARCH ESO ISS PBLA13 END 92.7
HIERARCH ESO ISS PBL14 START 141.054
HIERARCH ESO ISS PBL14 END 141.1
HIERARCH ESO ISS PBLA14 START 7.905
HIERARCH ESO ISS PBLA14 END 8.044
HIERARCH ESO ISS PBL23 START 81.425
HIERARCH ESO ISS PBL23 END 81.674
HIERARCH ESO ISS PBLA23 START 65.3
HIERARCH ESO ISS PBLA23 END 65.4
HIERARCH ESO ISS PBL24 START 178.866
HIERARCH ESO ISS PBL24 END 178.848
HIERARCH ESO ISS PBLA24 START 356.846
HIERARCH ESO ISS PBLA24 END 356.957
HIERARCH ESO ISS PBL34 START 167.134
HIERARCH ESO ISS PBL34 END 167.104
HIERARCH ESO ISS PBLA34 START 329.901
HIERARCH ESO ISS PBLA34 END 329.923
HIERARCH ESO ISS AMBI TAU0 START 0.005684
HIERARCH ESO ISS AMBI TAU0 END 0.005621
HIERARCH ESO ISS AMBI TEMP 11.78
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.63