Exposure
ID
PIONI.2025-09-25T00:41:51.899_1
Header ID
PIONI.2025-09-25T00:41:51.899
Date updated
2025-09-25 00:51:00 UTC+0000
Release date
2025-09-25 00:41:51 UTC+0000
UTC Start
2025-09-25 00:41:51.899
UTC End
2025-09-25 00:42:30.299
MJD Start
60943.0290729017
MJD End
60943.02951734614
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0070965
Ambient temperature (°C)
17.69
Seeing (arcsec)
0.65
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 71.3660 71.1980 121.0000 121.1000
A0-J2 109.4650 109.2240 93.4000 93.5000
A0-K0 118.6740 118.5140 71.6930 71.6700
G1-J2 56.7520 56.7130 57.9000 57.9000
G1-K0 90.1510 90.1670 34.8190 34.8350
J2-K0 43.9870 43.9930 4.4270 4.5230
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 60943.0290729017
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 71.366
HIERARCH ESO ISS PBL12 END 71.198
HIERARCH ESO ISS PBLA12 START 121.0
HIERARCH ESO ISS PBLA12 END 121.1
HIERARCH ESO ISS PBL13 START 109.465
HIERARCH ESO ISS PBL13 END 109.224
HIERARCH ESO ISS PBLA13 START 93.4
HIERARCH ESO ISS PBLA13 END 93.5
HIERARCH ESO ISS PBL14 START 118.674
HIERARCH ESO ISS PBL14 END 118.514
HIERARCH ESO ISS PBLA14 START 71.693
HIERARCH ESO ISS PBLA14 END 71.67
HIERARCH ESO ISS PBL23 START 56.752
HIERARCH ESO ISS PBL23 END 56.713
HIERARCH ESO ISS PBLA23 START 57.9
HIERARCH ESO ISS PBLA23 END 57.9
HIERARCH ESO ISS PBL24 START 90.151
HIERARCH ESO ISS PBL24 END 90.167
HIERARCH ESO ISS PBLA24 START 34.819
HIERARCH ESO ISS PBLA24 END 34.835
HIERARCH ESO ISS PBL34 START 43.987
HIERARCH ESO ISS PBL34 END 43.993
HIERARCH ESO ISS PBLA34 START 4.427
HIERARCH ESO ISS PBLA34 END 4.523
HIERARCH ESO ISS AMBI TAU0 START 0.007501
HIERARCH ESO ISS AMBI TAU0 END 0.006692
HIERARCH ESO ISS AMBI TEMP 17.69
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.65