Exposure
ID
PIONI.2025-06-01T03:44:21.025_1
Header ID
PIONI.2025-06-01T03:44:21.025
Date updated
2025-06-01 03:50:50 UTC+0000
Release date
2025-06-01 03:44:21 UTC+0000
UTC Start
2025-06-01 03:44:21.025
UTC End
2025-06-01 03:44:59.425
MJD Start
60827.1557989018
MJD End
60827.15624334624
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0106845
Ambient temperature (°C)
13.92
Seeing (arcsec)
0.34
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 48.6550 48.6560 143.1000 143.1000
A0-J2 104.0400 104.3130 92.7000 92.7000
A0-J6 141.1730 141.2220 8.2540 8.3920
B5-J2 82.0540 82.3010 65.5000 65.6000
B5-J6 178.8220 178.8050 357.1230 357.2340
J2-J6 167.0570 167.0250 329.9540 329.9760
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 60827.1557989018
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 48.655
HIERARCH ESO ISS PBL12 END 48.656
HIERARCH ESO ISS PBLA12 START 143.1
HIERARCH ESO ISS PBLA12 END 143.1
HIERARCH ESO ISS PBL13 START 104.04
HIERARCH ESO ISS PBL13 END 104.313
HIERARCH ESO ISS PBLA13 START 92.7
HIERARCH ESO ISS PBLA13 END 92.7
HIERARCH ESO ISS PBL14 START 141.173
HIERARCH ESO ISS PBL14 END 141.222
HIERARCH ESO ISS PBLA14 START 8.254
HIERARCH ESO ISS PBLA14 END 8.392
HIERARCH ESO ISS PBL23 START 82.054
HIERARCH ESO ISS PBL23 END 82.301
HIERARCH ESO ISS PBLA23 START 65.5
HIERARCH ESO ISS PBLA23 END 65.6
HIERARCH ESO ISS PBL24 START 178.822
HIERARCH ESO ISS PBL24 END 178.805
HIERARCH ESO ISS PBLA24 START 357.123
HIERARCH ESO ISS PBLA24 END 357.234
HIERARCH ESO ISS PBL34 START 167.057
HIERARCH ESO ISS PBL34 END 167.025
HIERARCH ESO ISS PBLA34 START 329.954
HIERARCH ESO ISS PBLA34 END 329.976
HIERARCH ESO ISS AMBI TAU0 START 0.01015
HIERARCH ESO ISS AMBI TAU0 END 0.011219
HIERARCH ESO ISS AMBI TEMP 13.92
HIERARCH ESO ISS AMBI FWHM START 0.34
HIERARCH ESO ISS AMBI FWHM END 0.34