Exposure
ID
PIONI.2025-07-23T02:05:00.443_1
Header ID
PIONI.2025-07-23T02:05:00.443
Date updated
2025-07-23 02:10:57 UTC+0000
Release date
2025-07-23 02:05:00 UTC+0000
UTC Start
2025-07-23 02:05:00.443
UTC End
2025-07-23 02:05:26.043
MJD Start
60879.0868106792
MJD End
60879.087106975494
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003494
Ambient temperature (°C)
12.71
Seeing (arcsec)
1.66
Observation
ID
68884
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
51248
Name
HD 166562
RA
272.817293
DEC
-0.65931
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 90.5080 90.5080 113.5000 113.5000
A0-J2 127.2450 127.3040 92.5000 92.5000
A0-K0 121.5250 121.6250 71.6360 71.6540
G1-J2 53.6750 53.7240 55.3000 55.3000
G1-K0 81.1060 81.1480 23.4930 23.5630
J2-K0 45.3770 45.3650 344.9390 344.9970
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 60879.0868106792
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 166562
RA 272.817293
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 90.508
HIERARCH ESO ISS PBL12 END 90.508
HIERARCH ESO ISS PBLA12 START 113.5
HIERARCH ESO ISS PBLA12 END 113.5
HIERARCH ESO ISS PBL13 START 127.245
HIERARCH ESO ISS PBL13 END 127.304
HIERARCH ESO ISS PBLA13 START 92.5
HIERARCH ESO ISS PBLA13 END 92.5
HIERARCH ESO ISS PBL14 START 121.525
HIERARCH ESO ISS PBL14 END 121.625
HIERARCH ESO ISS PBLA14 START 71.636
HIERARCH ESO ISS PBLA14 END 71.654
HIERARCH ESO ISS PBL23 START 53.675
HIERARCH ESO ISS PBL23 END 53.724
HIERARCH ESO ISS PBLA23 START 55.3
HIERARCH ESO ISS PBLA23 END 55.3
HIERARCH ESO ISS PBL24 START 81.106
HIERARCH ESO ISS PBL24 END 81.148
HIERARCH ESO ISS PBLA24 START 23.493
HIERARCH ESO ISS PBLA24 END 23.563
HIERARCH ESO ISS PBL34 START 45.377
HIERARCH ESO ISS PBL34 END 45.365
HIERARCH ESO ISS PBLA34 START 344.939
HIERARCH ESO ISS PBLA34 END 344.997
HIERARCH ESO ISS AMBI TAU0 START 0.003494
HIERARCH ESO ISS AMBI TAU0 END 0.003494
HIERARCH ESO ISS AMBI TEMP 12.71
HIERARCH ESO ISS AMBI FWHM START 1.66
HIERARCH ESO ISS AMBI FWHM END 1.66