Exposure
ID
PIONI.2025-06-02T03:07:41.452_1
Header ID
PIONI.2025-06-02T03:07:41.452
Date updated
2025-06-02 03:17:09 UTC+0000
Release date
2025-06-02 03:07:41 UTC+0000
UTC Start
2025-06-02 03:07:41.452
UTC End
2025-06-02 03:08:19.852
MJD Start
60828.1303408761
MJD End
60828.13078532054
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.004683
Ambient temperature (°C)
12.28
Seeing (arcsec)
0.38
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 48.4370 48.4470 143.3000 143.3000
A0-J2 92.0560 92.3790 93.0000 92.9000
A0-J6 139.8800 139.8970 2.6200 2.7640
B5-J2 71.6310 71.9010 61.6000 61.7000
B5-J6 179.9890 179.9480 352.8040 352.9100
J2-J6 167.8850 167.8750 329.3750 329.3840
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 60828.1303408761
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 48.437
HIERARCH ESO ISS PBL12 END 48.447
HIERARCH ESO ISS PBLA12 START 143.3
HIERARCH ESO ISS PBLA12 END 143.3
HIERARCH ESO ISS PBL13 START 92.056
HIERARCH ESO ISS PBL13 END 92.379
HIERARCH ESO ISS PBLA13 START 93.0
HIERARCH ESO ISS PBLA13 END 92.9
HIERARCH ESO ISS PBL14 START 139.88
HIERARCH ESO ISS PBL14 END 139.897
HIERARCH ESO ISS PBLA14 START 2.62
HIERARCH ESO ISS PBLA14 END 2.764
HIERARCH ESO ISS PBL23 START 71.631
HIERARCH ESO ISS PBL23 END 71.901
HIERARCH ESO ISS PBLA23 START 61.6
HIERARCH ESO ISS PBLA23 END 61.7
HIERARCH ESO ISS PBL24 START 179.989
HIERARCH ESO ISS PBL24 END 179.948
HIERARCH ESO ISS PBLA24 START 352.804
HIERARCH ESO ISS PBLA24 END 352.91
HIERARCH ESO ISS PBL34 START 167.885
HIERARCH ESO ISS PBL34 END 167.875
HIERARCH ESO ISS PBLA34 START 329.375
HIERARCH ESO ISS PBLA34 END 329.384
HIERARCH ESO ISS AMBI TAU0 START 0.004683
HIERARCH ESO ISS AMBI TAU0 END 0.004683
HIERARCH ESO ISS AMBI TEMP 12.28
HIERARCH ESO ISS AMBI FWHM START 0.38
HIERARCH ESO ISS AMBI FWHM END 0.38