Exposure
ID
PIONI.2025-09-23T01:02:55.691_1
Header ID
PIONI.2025-09-23T01:02:55.691
Date updated
2025-09-23 01:10:54 UTC+0000
Release date
2025-09-23 01:02:55 UTC+0000
UTC Start
2025-09-23 01:02:55.691
UTC End
2025-09-23 01:03:34.091
MJD Start
60941.0437001293
MJD End
60941.044144573745
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.007532
Ambient temperature (°C)
14.48
Seeing (arcsec)
0.665
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 68.5480 68.3700 122.4000 122.5000
A0-J2 105.3290 105.0620 93.6000 93.6000
A0-K0 115.8760 115.6910 71.2740 71.2480
G1-J2 56.0490 56.0010 57.5000 57.5000
G1-K0 90.3580 90.3680 35.0450 35.0590
J2-K0 44.0960 44.1030 6.0100 6.1100
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 60941.0437001293
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 68.548
HIERARCH ESO ISS PBL12 END 68.37
HIERARCH ESO ISS PBLA12 START 122.4
HIERARCH ESO ISS PBLA12 END 122.5
HIERARCH ESO ISS PBL13 START 105.329
HIERARCH ESO ISS PBL13 END 105.062
HIERARCH ESO ISS PBLA13 START 93.6
HIERARCH ESO ISS PBLA13 END 93.6
HIERARCH ESO ISS PBL14 START 115.876
HIERARCH ESO ISS PBL14 END 115.691
HIERARCH ESO ISS PBLA14 START 71.274
HIERARCH ESO ISS PBLA14 END 71.248
HIERARCH ESO ISS PBL23 START 56.049
HIERARCH ESO ISS PBL23 END 56.001
HIERARCH ESO ISS PBLA23 START 57.5
HIERARCH ESO ISS PBLA23 END 57.5
HIERARCH ESO ISS PBL24 START 90.358
HIERARCH ESO ISS PBL24 END 90.368
HIERARCH ESO ISS PBLA24 START 35.045
HIERARCH ESO ISS PBLA24 END 35.059
HIERARCH ESO ISS PBL34 START 44.096
HIERARCH ESO ISS PBL34 END 44.103
HIERARCH ESO ISS PBLA34 START 6.01
HIERARCH ESO ISS PBLA34 END 6.11
HIERARCH ESO ISS AMBI TAU0 START 0.007532
HIERARCH ESO ISS AMBI TAU0 END 0.007532
HIERARCH ESO ISS AMBI TEMP 14.48
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.69