Exposure
ID
PIONI.2025-09-23T00:24:00.872_1
Header ID
PIONI.2025-09-23T00:24:00.872
Date updated
2025-09-23 00:30:45 UTC+0000
Release date
2025-09-23 00:24:00 UTC+0000
UTC Start
2025-09-23 00:24:00.872
UTC End
2025-09-23 00:24:39.272
MJD Start
60941.0166767584
MJD End
60941.01712120284
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0085585
Ambient temperature (°C)
14.41
Seeing (arcsec)
0.68
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 76.4540 76.3010 118.6000 118.7000
A0-J2 116.4750 116.2750 93.2000 93.2000
A0-K0 123.1120 122.9930 72.3060 72.2860
G1-J2 57.7370 57.7140 58.4000 58.4000
G1-K0 89.4750 89.5020 34.1200 34.1430
J2-K0 43.8690 43.8710 1.2890 1.3850
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 60941.0166767584
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 76.454
HIERARCH ESO ISS PBL12 END 76.301
HIERARCH ESO ISS PBLA12 START 118.6
HIERARCH ESO ISS PBLA12 END 118.7
HIERARCH ESO ISS PBL13 START 116.475
HIERARCH ESO ISS PBL13 END 116.275
HIERARCH ESO ISS PBLA13 START 93.2
HIERARCH ESO ISS PBLA13 END 93.2
HIERARCH ESO ISS PBL14 START 123.112
HIERARCH ESO ISS PBL14 END 122.993
HIERARCH ESO ISS PBLA14 START 72.306
HIERARCH ESO ISS PBLA14 END 72.286
HIERARCH ESO ISS PBL23 START 57.737
HIERARCH ESO ISS PBL23 END 57.714
HIERARCH ESO ISS PBLA23 START 58.4
HIERARCH ESO ISS PBLA23 END 58.4
HIERARCH ESO ISS PBL24 START 89.475
HIERARCH ESO ISS PBL24 END 89.502
HIERARCH ESO ISS PBLA24 START 34.12
HIERARCH ESO ISS PBLA24 END 34.143
HIERARCH ESO ISS PBL34 START 43.869
HIERARCH ESO ISS PBL34 END 43.871
HIERARCH ESO ISS PBLA34 START 1.289
HIERARCH ESO ISS PBLA34 END 1.385
HIERARCH ESO ISS AMBI TAU0 START 0.008023
HIERARCH ESO ISS AMBI TAU0 END 0.009094
HIERARCH ESO ISS AMBI TEMP 14.41
HIERARCH ESO ISS AMBI FWHM START 0.68
HIERARCH ESO ISS AMBI FWHM END 0.68