Exposure
ID
PIONI.2025-09-22T00:31:44.047_1
Header ID
PIONI.2025-09-22T00:31:44.047
Date updated
2025-09-22 00:40:52 UTC+0000
Release date
2025-09-22 00:31:44 UTC+0000
UTC Start
2025-09-22 00:31:44.047
UTC End
2025-09-22 00:32:22.447
MJD Start
60940.0220375811
MJD End
60940.02248202554
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.004047
Ambient temperature (°C)
11.92
Seeing (arcsec)
0.71
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 75.7440 75.5880 118.9000 119.0000
A0-J2 115.5340 115.3270 93.2000 93.2000
A0-K0 122.5460 122.4200 72.2300 72.2140
G1-J2 57.6240 57.5990 58.4000 58.4000
G1-K0 89.5970 89.6220 34.2430 34.2680
J2-K0 43.8790 43.8810 1.7530 1.8520
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 60940.0220375811
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 75.744
HIERARCH ESO ISS PBL12 END 75.588
HIERARCH ESO ISS PBLA12 START 118.9
HIERARCH ESO ISS PBLA12 END 119.0
HIERARCH ESO ISS PBL13 START 115.534
HIERARCH ESO ISS PBL13 END 115.327
HIERARCH ESO ISS PBLA13 START 93.2
HIERARCH ESO ISS PBLA13 END 93.2
HIERARCH ESO ISS PBL14 START 122.546
HIERARCH ESO ISS PBL14 END 122.42
HIERARCH ESO ISS PBLA14 START 72.23
HIERARCH ESO ISS PBLA14 END 72.214
HIERARCH ESO ISS PBL23 START 57.624
HIERARCH ESO ISS PBL23 END 57.599
HIERARCH ESO ISS PBLA23 START 58.4
HIERARCH ESO ISS PBLA23 END 58.4
HIERARCH ESO ISS PBL24 START 89.597
HIERARCH ESO ISS PBL24 END 89.622
HIERARCH ESO ISS PBLA24 START 34.243
HIERARCH ESO ISS PBLA24 END 34.268
HIERARCH ESO ISS PBL34 START 43.879
HIERARCH ESO ISS PBL34 END 43.881
HIERARCH ESO ISS PBLA34 START 1.753
HIERARCH ESO ISS PBLA34 END 1.852
HIERARCH ESO ISS AMBI TAU0 START 0.004047
HIERARCH ESO ISS AMBI TAU0 END 0.004047
HIERARCH ESO ISS AMBI TEMP 11.92
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.71