Exposure
ID
PIONI.2025-05-31T09:57:35.467_1
Header ID
PIONI.2025-05-31T09:57:35.467
Date updated
2025-05-31 10:04:34 UTC+0000
Release date
2025-05-31 09:57:35 UTC+0000
UTC Start
2025-05-31 09:57:35.467
UTC End
2025-05-31 09:58:13.867
MJD Start
60826.4149938296
MJD End
60826.415438274045
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.006997
Ambient temperature (°C)
15.32
Seeing (arcsec)
0.295
Observation
ID
67681
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
50334
Name
HD 166562
RA
272.817848
DEC
-0.65931
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 39.2470 39.2510 181.9000 182.0000
A0-J2 72.2370 71.8630 95.6000 95.6000
A0-J6 167.6690 167.6170 34.4210 34.3970
B5-J2 79.9670 79.7160 66.3000 66.2000
B5-J6 201.8700 201.8740 28.4200 28.4250
J2-J6 147.1320 147.1760 8.9400 9.0510
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 60826.4149938296
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 166562
RA 272.817848
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
HIERARCH ESO DET DIT 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 39.247
HIERARCH ESO ISS PBL12 END 39.251
HIERARCH ESO ISS PBLA12 START 181.9
HIERARCH ESO ISS PBLA12 END 182.0
HIERARCH ESO ISS PBL13 START 72.237
HIERARCH ESO ISS PBL13 END 71.863
HIERARCH ESO ISS PBLA13 START 95.6
HIERARCH ESO ISS PBLA13 END 95.6
HIERARCH ESO ISS PBL14 START 167.669
HIERARCH ESO ISS PBL14 END 167.617
HIERARCH ESO ISS PBLA14 START 34.421
HIERARCH ESO ISS PBLA14 END 34.397
HIERARCH ESO ISS PBL23 START 79.967
HIERARCH ESO ISS PBL23 END 79.716
HIERARCH ESO ISS PBLA23 START 66.3
HIERARCH ESO ISS PBLA23 END 66.2
HIERARCH ESO ISS PBL24 START 201.87
HIERARCH ESO ISS PBL24 END 201.874
HIERARCH ESO ISS PBLA24 START 28.42
HIERARCH ESO ISS PBLA24 END 28.425
HIERARCH ESO ISS PBL34 START 147.132
HIERARCH ESO ISS PBL34 END 147.176
HIERARCH ESO ISS PBLA34 START 8.94
HIERARCH ESO ISS PBLA34 END 9.051
HIERARCH ESO ISS AMBI TAU0 START 0.006997
HIERARCH ESO ISS AMBI TAU0 END 0.006997
HIERARCH ESO ISS AMBI TEMP 15.32
HIERARCH ESO ISS AMBI FWHM START 0.3
HIERARCH ESO ISS AMBI FWHM END 0.29