Exposure
ID
PIONI.2025-09-22T00:32:34.388_1
Header ID
PIONI.2025-09-22T00:32:34.388
Date updated
2025-09-22 00:40:52 UTC+0000
Release date
2025-09-22 00:32:34 UTC+0000
UTC Start
2025-09-22 00:32:34.388
UTC End
2025-09-22 00:33:12.788
MJD Start
60940.0226202323
MJD End
60940.023064676745
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.004047
Ambient temperature (°C)
11.92
Seeing (arcsec)
0.71
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 75.5820 75.4290 119.0000 119.1000
A0-J2 115.3190 115.1140 93.2000 93.2000
A0-K0 122.4150 122.2900 72.2130 72.1970
G1-J2 57.5980 57.5720 58.4000 58.4000
G1-K0 89.6230 89.6470 34.2690 34.2950
J2-K0 43.8810 43.8840 1.8560 1.9540
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 60940.0226202323
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 75.582
HIERARCH ESO ISS PBL12 END 75.429
HIERARCH ESO ISS PBLA12 START 119.0
HIERARCH ESO ISS PBLA12 END 119.1
HIERARCH ESO ISS PBL13 START 115.319
HIERARCH ESO ISS PBL13 END 115.114
HIERARCH ESO ISS PBLA13 START 93.2
HIERARCH ESO ISS PBLA13 END 93.2
HIERARCH ESO ISS PBL14 START 122.415
HIERARCH ESO ISS PBL14 END 122.29
HIERARCH ESO ISS PBLA14 START 72.213
HIERARCH ESO ISS PBLA14 END 72.197
HIERARCH ESO ISS PBL23 START 57.598
HIERARCH ESO ISS PBL23 END 57.572
HIERARCH ESO ISS PBLA23 START 58.4
HIERARCH ESO ISS PBLA23 END 58.4
HIERARCH ESO ISS PBL24 START 89.623
HIERARCH ESO ISS PBL24 END 89.647
HIERARCH ESO ISS PBLA24 START 34.269
HIERARCH ESO ISS PBLA24 END 34.295
HIERARCH ESO ISS PBL34 START 43.881
HIERARCH ESO ISS PBL34 END 43.884
HIERARCH ESO ISS PBLA34 START 1.856
HIERARCH ESO ISS PBLA34 END 1.954
HIERARCH ESO ISS AMBI TAU0 START 0.004047
HIERARCH ESO ISS AMBI TAU0 END 0.004047
HIERARCH ESO ISS AMBI TEMP 11.92
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.71