Exposure
ID
PIONI.2025-07-21T03:50:47.221_1
Header ID
PIONI.2025-07-21T03:50:47.221
Date updated
2025-07-21 03:55:36 UTC+0000
Release date
2025-07-21 03:50:47 UTC+0000
UTC Start
2025-07-21 03:50:47.221
UTC End
2025-07-21 03:51:12.821
MJD Start
60877.1602687635
MJD End
60877.1605650598
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.006714
Ambient temperature (°C)
15.45
Seeing (arcsec)
0.48
Observation
ID
68884
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
51248
Name
HD 166562
RA
272.817293
DEC
-0.65931
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 83.7110 83.6290 115.8000 115.9000
A0-J2 125.1520 125.0670 92.8000 92.8000
A0-K0 127.4700 127.4410 72.8010 72.7970
G1-J2 58.1880 58.1930 58.6000 58.6000
G1-K0 87.5150 87.5470 32.0390 32.0730
J2-K0 43.9750 43.9710 355.7830 355.8540
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 60877.1602687635
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 166562
RA 272.817293
DEC -0.65931
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 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 83.711
HIERARCH ESO ISS PBL12 END 83.629
HIERARCH ESO ISS PBLA12 START 115.8
HIERARCH ESO ISS PBLA12 END 115.9
HIERARCH ESO ISS PBL13 START 125.152
HIERARCH ESO ISS PBL13 END 125.067
HIERARCH ESO ISS PBLA13 START 92.8
HIERARCH ESO ISS PBLA13 END 92.8
HIERARCH ESO ISS PBL14 START 127.47
HIERARCH ESO ISS PBL14 END 127.441
HIERARCH ESO ISS PBLA14 START 72.801
HIERARCH ESO ISS PBLA14 END 72.797
HIERARCH ESO ISS PBL23 START 58.188
HIERARCH ESO ISS PBL23 END 58.193
HIERARCH ESO ISS PBLA23 START 58.6
HIERARCH ESO ISS PBLA23 END 58.6
HIERARCH ESO ISS PBL24 START 87.515
HIERARCH ESO ISS PBL24 END 87.547
HIERARCH ESO ISS PBLA24 START 32.039
HIERARCH ESO ISS PBLA24 END 32.073
HIERARCH ESO ISS PBL34 START 43.975
HIERARCH ESO ISS PBL34 END 43.971
HIERARCH ESO ISS PBLA34 START 355.783
HIERARCH ESO ISS PBLA34 END 355.854
HIERARCH ESO ISS AMBI TAU0 START 0.006714
HIERARCH ESO ISS AMBI TAU0 END 0.006714
HIERARCH ESO ISS AMBI TEMP 15.45
HIERARCH ESO ISS AMBI FWHM START 0.48
HIERARCH ESO ISS AMBI FWHM END 0.48