Exposure
ID
PIONI.2025-09-26T00:39:57.115_1
Header ID
PIONI.2025-09-26T00:39:57.115
Date updated
2025-09-26 00:50:43 UTC+0000
Release date
2025-09-26 00:39:57 UTC+0000
UTC Start
2025-09-26 00:39:57.116
UTC End
2025-09-26 00:40:35.516
MJD Start
60944.0277443947
MJD End
60944.02818883914
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.005768
Ambient temperature (°C)
13.59
Seeing (arcsec)
0.86
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 70.9430 70.7710 121.2000 121.3000
A0-J2 108.8560 108.6070 93.5000 93.5000
A0-K0 118.2680 118.1020 71.6360 71.6080
G1-J2 56.6530 56.6120 57.8000 57.8000
G1-K0 90.1890 90.2040 34.8610 34.8740
J2-K0 44.0010 44.0080 4.6720 4.7680
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 60944.0277443947
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 70.943
HIERARCH ESO ISS PBL12 END 70.771
HIERARCH ESO ISS PBLA12 START 121.2
HIERARCH ESO ISS PBLA12 END 121.3
HIERARCH ESO ISS PBL13 START 108.856
HIERARCH ESO ISS PBL13 END 108.607
HIERARCH ESO ISS PBLA13 START 93.5
HIERARCH ESO ISS PBLA13 END 93.5
HIERARCH ESO ISS PBL14 START 118.268
HIERARCH ESO ISS PBL14 END 118.102
HIERARCH ESO ISS PBLA14 START 71.636
HIERARCH ESO ISS PBLA14 END 71.608
HIERARCH ESO ISS PBL23 START 56.653
HIERARCH ESO ISS PBL23 END 56.612
HIERARCH ESO ISS PBLA23 START 57.8
HIERARCH ESO ISS PBLA23 END 57.8
HIERARCH ESO ISS PBL24 START 90.189
HIERARCH ESO ISS PBL24 END 90.204
HIERARCH ESO ISS PBLA24 START 34.861
HIERARCH ESO ISS PBLA24 END 34.874
HIERARCH ESO ISS PBL34 START 44.001
HIERARCH ESO ISS PBL34 END 44.008
HIERARCH ESO ISS PBLA34 START 4.672
HIERARCH ESO ISS PBLA34 END 4.768
HIERARCH ESO ISS AMBI TAU0 START 0.005768
HIERARCH ESO ISS AMBI TAU0 END 0.005768
HIERARCH ESO ISS AMBI TEMP 13.59
HIERARCH ESO ISS AMBI FWHM START 0.86
HIERARCH ESO ISS AMBI FWHM END 0.86