Exposure
ID
PIONI.2025-09-22T00:33:24.755_1
Header ID
PIONI.2025-09-22T00:33:24.755
Date updated
2025-09-22 00:40:52 UTC+0000
Release date
2025-09-22 00:33:24 UTC+0000
UTC Start
2025-09-22 00:33:24.755
UTC End
2025-09-22 00:34:03.155
MJD Start
60940.0232031806
MJD End
60940.02364762504
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.003923
Ambient temperature (°C)
11.94
Seeing (arcsec)
0.79
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 75.4230 75.2670 119.1000 119.2000
A0-J2 115.1050 114.8950 93.2000 93.2000
A0-K0 122.2840 122.1550 72.1960 72.1790
G1-J2 57.5710 57.5440 58.4000 58.3000
G1-K0 89.6480 89.6720 34.2960 34.3210
J2-K0 43.8840 43.8860 1.9580 2.0580
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 60940.0232031806
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 75.423
HIERARCH ESO ISS PBL12 END 75.267
HIERARCH ESO ISS PBLA12 START 119.1
HIERARCH ESO ISS PBLA12 END 119.2
HIERARCH ESO ISS PBL13 START 115.105
HIERARCH ESO ISS PBL13 END 114.895
HIERARCH ESO ISS PBLA13 START 93.2
HIERARCH ESO ISS PBLA13 END 93.2
HIERARCH ESO ISS PBL14 START 122.284
HIERARCH ESO ISS PBL14 END 122.155
HIERARCH ESO ISS PBLA14 START 72.196
HIERARCH ESO ISS PBLA14 END 72.179
HIERARCH ESO ISS PBL23 START 57.571
HIERARCH ESO ISS PBL23 END 57.544
HIERARCH ESO ISS PBLA23 START 58.4
HIERARCH ESO ISS PBLA23 END 58.3
HIERARCH ESO ISS PBL24 START 89.648
HIERARCH ESO ISS PBL24 END 89.672
HIERARCH ESO ISS PBLA24 START 34.296
HIERARCH ESO ISS PBLA24 END 34.321
HIERARCH ESO ISS PBL34 START 43.884
HIERARCH ESO ISS PBL34 END 43.886
HIERARCH ESO ISS PBLA34 START 1.958
HIERARCH ESO ISS PBLA34 END 2.058
HIERARCH ESO ISS AMBI TAU0 START 0.004047
HIERARCH ESO ISS AMBI TAU0 END 0.003799
HIERARCH ESO ISS AMBI TEMP 11.94
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.87