Exposure
ID
PIONI.2025-05-31T07:44:30.275_1
Header ID
PIONI.2025-05-31T07:44:30.275
Date updated
2025-05-31 07:50:53 UTC+0000
Release date
2025-05-31 07:44:30 UTC+0000
UTC Start
2025-05-31 07:44:30.276
UTC End
2025-05-31 07:45:08.676
MJD Start
60826.3225726332
MJD End
60826.323017077644
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0088755
Ambient temperature (°C)
15.26
Seeing (arcsec)
0.34
Observation
ID
67683
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
50336
Name
HD 166235
RA
272.420295
DEC
0.82288
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 41.2690 41.2360 159.0000 159.1000
A0-J2 118.7660 118.5840 92.4000 92.4000
A0-J6 166.4630 166.5280 33.9110 33.9410
B5-J2 109.1220 109.0350 72.1000 72.1000
B5-J6 193.1570 193.2410 23.8400 23.8940
J2-J6 145.5130 145.4600 349.7880 349.9010
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 60826.3225726332
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 166235
RA 272.420295
DEC 0.82288
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
HIERARCH ESO DET DIT 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 41.269
HIERARCH ESO ISS PBL12 END 41.236
HIERARCH ESO ISS PBLA12 START 159.0
HIERARCH ESO ISS PBLA12 END 159.1
HIERARCH ESO ISS PBL13 START 118.766
HIERARCH ESO ISS PBL13 END 118.584
HIERARCH ESO ISS PBLA13 START 92.4
HIERARCH ESO ISS PBLA13 END 92.4
HIERARCH ESO ISS PBL14 START 166.463
HIERARCH ESO ISS PBL14 END 166.528
HIERARCH ESO ISS PBLA14 START 33.911
HIERARCH ESO ISS PBLA14 END 33.941
HIERARCH ESO ISS PBL23 START 109.122
HIERARCH ESO ISS PBL23 END 109.035
HIERARCH ESO ISS PBLA23 START 72.1
HIERARCH ESO ISS PBLA23 END 72.1
HIERARCH ESO ISS PBL24 START 193.157
HIERARCH ESO ISS PBL24 END 193.241
HIERARCH ESO ISS PBLA24 START 23.84
HIERARCH ESO ISS PBLA24 END 23.894
HIERARCH ESO ISS PBL34 START 145.513
HIERARCH ESO ISS PBL34 END 145.46
HIERARCH ESO ISS PBLA34 START 349.788
HIERARCH ESO ISS PBLA34 END 349.901
HIERARCH ESO ISS AMBI TAU0 START 0.010088
HIERARCH ESO ISS AMBI TAU0 END 0.007663
HIERARCH ESO ISS AMBI TEMP 15.26
HIERARCH ESO ISS AMBI FWHM START 0.34
HIERARCH ESO ISS AMBI FWHM END 0.34