Exposure
ID
PIONI.2025-09-23T00:25:41.854_1
Header ID
PIONI.2025-09-23T00:25:41.854
Date updated
2025-09-23 00:35:44 UTC+0000
Release date
2025-09-23 00:25:41 UTC+0000
UTC Start
2025-09-23 00:25:41.853
UTC End
2025-09-23 00:26:20.253
MJD Start
60941.0178455263
MJD End
60941.01828997074
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.009094
Ambient temperature (°C)
14.41
Seeing (arcsec)
0.76
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 76.1390 75.9860 118.8000 118.8000
A0-J2 116.0600 115.8570 93.2000 93.2000
A0-K0 122.8640 122.7420 72.2690 72.2580
G1-J2 57.6890 57.6640 58.4000 58.4000
G1-K0 89.5300 89.5560 34.1720 34.2030
J2-K0 43.8730 43.8750 1.4920 1.5960
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 60941.0178455263
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 76.139
HIERARCH ESO ISS PBL12 END 75.986
HIERARCH ESO ISS PBLA12 START 118.8
HIERARCH ESO ISS PBLA12 END 118.8
HIERARCH ESO ISS PBL13 START 116.06
HIERARCH ESO ISS PBL13 END 115.857
HIERARCH ESO ISS PBLA13 START 93.2
HIERARCH ESO ISS PBLA13 END 93.2
HIERARCH ESO ISS PBL14 START 122.864
HIERARCH ESO ISS PBL14 END 122.742
HIERARCH ESO ISS PBLA14 START 72.269
HIERARCH ESO ISS PBLA14 END 72.258
HIERARCH ESO ISS PBL23 START 57.689
HIERARCH ESO ISS PBL23 END 57.664
HIERARCH ESO ISS PBLA23 START 58.4
HIERARCH ESO ISS PBLA23 END 58.4
HIERARCH ESO ISS PBL24 START 89.53
HIERARCH ESO ISS PBL24 END 89.556
HIERARCH ESO ISS PBLA24 START 34.172
HIERARCH ESO ISS PBLA24 END 34.203
HIERARCH ESO ISS PBL34 START 43.873
HIERARCH ESO ISS PBL34 END 43.875
HIERARCH ESO ISS PBLA34 START 1.492
HIERARCH ESO ISS PBLA34 END 1.596
HIERARCH ESO ISS AMBI TAU0 START 0.009094
HIERARCH ESO ISS AMBI TAU0 END 0.009094
HIERARCH ESO ISS AMBI TEMP 14.41
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.76