Exposure
ID
PIONI.2025-09-23T01:06:17.542_1
Header ID
PIONI.2025-09-23T01:06:17.542
Date updated
2025-09-23 01:16:02 UTC+0000
Release date
2025-09-23 01:06:17 UTC+0000
UTC Start
2025-09-23 01:06:17.543
UTC End
2025-09-23 01:06:55.943
MJD Start
60941.046036372
MJD End
60941.04648081644
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.005289
Ambient temperature (°C)
14.5
Seeing (arcsec)
0.79
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 67.8100 67.6300 122.8000 122.9000
A0-J2 104.2180 103.9450 93.7000 93.7000
A0-K0 115.1070 114.9170 71.1540 71.1270
G1-J2 55.8490 55.7990 57.4000 57.3000
G1-K0 90.3950 90.4030 35.0880 35.1000
J2-K0 44.1280 44.1370 6.4100 6.5090
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 60941.046036372
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 67.81
HIERARCH ESO ISS PBL12 END 67.63
HIERARCH ESO ISS PBLA12 START 122.8
HIERARCH ESO ISS PBLA12 END 122.9
HIERARCH ESO ISS PBL13 START 104.218
HIERARCH ESO ISS PBL13 END 103.945
HIERARCH ESO ISS PBLA13 START 93.7
HIERARCH ESO ISS PBLA13 END 93.7
HIERARCH ESO ISS PBL14 START 115.107
HIERARCH ESO ISS PBL14 END 114.917
HIERARCH ESO ISS PBLA14 START 71.154
HIERARCH ESO ISS PBLA14 END 71.127
HIERARCH ESO ISS PBL23 START 55.849
HIERARCH ESO ISS PBL23 END 55.799
HIERARCH ESO ISS PBLA23 START 57.4
HIERARCH ESO ISS PBLA23 END 57.3
HIERARCH ESO ISS PBL24 START 90.395
HIERARCH ESO ISS PBL24 END 90.403
HIERARCH ESO ISS PBLA24 START 35.088
HIERARCH ESO ISS PBLA24 END 35.1
HIERARCH ESO ISS PBL34 START 44.128
HIERARCH ESO ISS PBL34 END 44.137
HIERARCH ESO ISS PBLA34 START 6.41
HIERARCH ESO ISS PBLA34 END 6.509
HIERARCH ESO ISS AMBI TAU0 START 0.005289
HIERARCH ESO ISS AMBI TAU0 END 0.005289
HIERARCH ESO ISS AMBI TEMP 14.5
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.82