Exposure
ID
PIONI.2025-07-23T02:02:29.470_1
Header ID
PIONI.2025-07-23T02:02:29.470
Date updated
2025-07-23 02:05:45 UTC+0000
Release date
2025-07-23 02:02:29 UTC+0000
UTC Start
2025-07-23 02:02:29.470
UTC End
2025-07-23 02:02:55.070
MJD Start
60879.085063315
MJD End
60879.085359611294
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003344
Ambient temperature (°C)
12.67
Seeing (arcsec)
1.62
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 90.5030 90.5050 113.5000 113.5000
A0-J2 126.9890 127.0520 92.5000 92.5000
A0-K0 121.0990 121.2020 71.5580 71.5760
G1-J2 53.4690 53.5180 55.1000 55.2000
G1-K0 80.9300 80.9720 23.1940 23.2650
J2-K0 45.4280 45.4160 344.6940 344.7510
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 60879.085063315
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 90.503
HIERARCH ESO ISS PBL12 END 90.505
HIERARCH ESO ISS PBLA12 START 113.5
HIERARCH ESO ISS PBLA12 END 113.5
HIERARCH ESO ISS PBL13 START 126.989
HIERARCH ESO ISS PBL13 END 127.052
HIERARCH ESO ISS PBLA13 START 92.5
HIERARCH ESO ISS PBLA13 END 92.5
HIERARCH ESO ISS PBL14 START 121.099
HIERARCH ESO ISS PBL14 END 121.202
HIERARCH ESO ISS PBLA14 START 71.558
HIERARCH ESO ISS PBLA14 END 71.576
HIERARCH ESO ISS PBL23 START 53.469
HIERARCH ESO ISS PBL23 END 53.518
HIERARCH ESO ISS PBLA23 START 55.1
HIERARCH ESO ISS PBLA23 END 55.2
HIERARCH ESO ISS PBL24 START 80.93
HIERARCH ESO ISS PBL24 END 80.972
HIERARCH ESO ISS PBLA24 START 23.194
HIERARCH ESO ISS PBLA24 END 23.265
HIERARCH ESO ISS PBL34 START 45.428
HIERARCH ESO ISS PBL34 END 45.416
HIERARCH ESO ISS PBLA34 START 344.694
HIERARCH ESO ISS PBLA34 END 344.751
HIERARCH ESO ISS AMBI TAU0 START 0.003344
HIERARCH ESO ISS AMBI TAU0 END 0.003344
HIERARCH ESO ISS AMBI TEMP 12.67
HIERARCH ESO ISS AMBI FWHM START 1.62
HIERARCH ESO ISS AMBI FWHM END 1.62