Exposure
ID
PIONI.2025-09-24T01:13:59.328_1
Header ID
PIONI.2025-09-24T01:13:59.328
Date updated
2025-09-24 01:20:56 UTC+0000
Release date
2025-09-24 01:13:59 UTC+0000
UTC Start
2025-09-24 01:13:59.327
UTC End
2025-09-24 01:14:37.727
MJD Start
60942.0513811051
MJD End
60942.05182554954
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.004695
Ambient temperature (°C)
14.99
Seeing (arcsec)
0.7250000000000001
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 65.2090 65.0240 124.4000 124.5000
A0-J2 100.2050 99.9140 93.9000 93.9000
A0-K0 112.2850 112.0770 70.6980 70.6620
G1-J2 55.0940 55.0370 56.9000 56.9000
G1-K0 90.4740 90.4760 35.1940 35.1980
J2-K0 44.2560 44.2660 7.7770 7.8710
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 60942.0513811051
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 65.209
HIERARCH ESO ISS PBL12 END 65.024
HIERARCH ESO ISS PBLA12 START 124.4
HIERARCH ESO ISS PBLA12 END 124.5
HIERARCH ESO ISS PBL13 START 100.205
HIERARCH ESO ISS PBL13 END 99.914
HIERARCH ESO ISS PBLA13 START 93.9
HIERARCH ESO ISS PBLA13 END 93.9
HIERARCH ESO ISS PBL14 START 112.285
HIERARCH ESO ISS PBL14 END 112.077
HIERARCH ESO ISS PBLA14 START 70.698
HIERARCH ESO ISS PBLA14 END 70.662
HIERARCH ESO ISS PBL23 START 55.094
HIERARCH ESO ISS PBL23 END 55.037
HIERARCH ESO ISS PBLA23 START 56.9
HIERARCH ESO ISS PBLA23 END 56.9
HIERARCH ESO ISS PBL24 START 90.474
HIERARCH ESO ISS PBL24 END 90.476
HIERARCH ESO ISS PBLA24 START 35.194
HIERARCH ESO ISS PBLA24 END 35.198
HIERARCH ESO ISS PBL34 START 44.256
HIERARCH ESO ISS PBL34 END 44.266
HIERARCH ESO ISS PBLA34 START 7.777
HIERARCH ESO ISS PBLA34 END 7.871
HIERARCH ESO ISS AMBI TAU0 START 0.004695
HIERARCH ESO ISS AMBI TAU0 END 0.004695
HIERARCH ESO ISS AMBI TEMP 14.99
HIERARCH ESO ISS AMBI FWHM START 0.92
HIERARCH ESO ISS AMBI FWHM END 0.53