Exposure
ID
PIONI.2025-07-23T03:12:59.973_1
Header ID
PIONI.2025-07-23T03:12:59.973
Date updated
2025-07-23 03:20:48 UTC+0000
Release date
2025-07-23 03:12:59 UTC+0000
UTC Start
2025-07-23 03:12:59.972
UTC End
2025-07-23 03:13:38.372
MJD Start
60879.1340274583
MJD End
60879.13447190274
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0047469999999999995
Ambient temperature (°C)
14.41
Seeing (arcsec)
0.675
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 87.1900 87.1100 114.7000 114.7000
A0-J2 128.2850 128.2290 92.7000 92.7000
A0-K0 127.9000 127.9150 72.7700 72.7790
G1-J2 57.5840 57.6100 58.1000 58.2000
G1-K0 85.7630 85.8150 30.0240 30.0900
J2-K0 44.2560 44.2460 352.2210 352.3210
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 60879.1340274583
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 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 87.19
HIERARCH ESO ISS PBL12 END 87.11
HIERARCH ESO ISS PBLA12 START 114.7
HIERARCH ESO ISS PBLA12 END 114.7
HIERARCH ESO ISS PBL13 START 128.285
HIERARCH ESO ISS PBL13 END 128.229
HIERARCH ESO ISS PBLA13 START 92.7
HIERARCH ESO ISS PBLA13 END 92.7
HIERARCH ESO ISS PBL14 START 127.9
HIERARCH ESO ISS PBL14 END 127.915
HIERARCH ESO ISS PBLA14 START 72.77
HIERARCH ESO ISS PBLA14 END 72.779
HIERARCH ESO ISS PBL23 START 57.584
HIERARCH ESO ISS PBL23 END 57.61
HIERARCH ESO ISS PBLA23 START 58.1
HIERARCH ESO ISS PBLA23 END 58.2
HIERARCH ESO ISS PBL24 START 85.763
HIERARCH ESO ISS PBL24 END 85.815
HIERARCH ESO ISS PBLA24 START 30.024
HIERARCH ESO ISS PBLA24 END 30.09
HIERARCH ESO ISS PBL34 START 44.256
HIERARCH ESO ISS PBL34 END 44.246
HIERARCH ESO ISS PBLA34 START 352.221
HIERARCH ESO ISS PBLA34 END 352.321
HIERARCH ESO ISS AMBI TAU0 START 0.005286
HIERARCH ESO ISS AMBI TAU0 END 0.004208
HIERARCH ESO ISS AMBI TEMP 14.41
HIERARCH ESO ISS AMBI FWHM START 0.61
HIERARCH ESO ISS AMBI FWHM END 0.74