Exposure
ID
PIONI.2025-06-01T03:38:03.973_1
Header ID
PIONI.2025-06-01T03:38:03.973
Date updated
2025-06-01 03:46:02 UTC+0000
Release date
2025-06-01 03:38:03 UTC+0000
UTC Start
2025-06-01 03:38:03.973
UTC End
2025-06-01 03:38:42.373
MJD Start
60827.1514348732
MJD End
60827.151879317644
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.011761500000000001
Ambient temperature (°C)
14.02
Seeing (arcsec)
0.26
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 48.6570 48.6570 143.1000 143.1000
A0-J2 102.5670 102.8470 93.9000 93.9000
A0-J6 138.4410 138.4880 7.5970 7.7370
B5-J2 79.7910 80.0470 66.4000 66.4000
B5-J6 176.4570 176.4360 356.4490 356.5580
J2-J6 166.8340 166.7990 329.7620 329.7780
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 60827.1514348732
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 48.657
HIERARCH ESO ISS PBL12 END 48.657
HIERARCH ESO ISS PBLA12 START 143.1
HIERARCH ESO ISS PBLA12 END 143.1
HIERARCH ESO ISS PBL13 START 102.567
HIERARCH ESO ISS PBL13 END 102.847
HIERARCH ESO ISS PBLA13 START 93.9
HIERARCH ESO ISS PBLA13 END 93.9
HIERARCH ESO ISS PBL14 START 138.441
HIERARCH ESO ISS PBL14 END 138.488
HIERARCH ESO ISS PBLA14 START 7.597
HIERARCH ESO ISS PBLA14 END 7.737
HIERARCH ESO ISS PBL23 START 79.791
HIERARCH ESO ISS PBL23 END 80.047
HIERARCH ESO ISS PBLA23 START 66.4
HIERARCH ESO ISS PBLA23 END 66.4
HIERARCH ESO ISS PBL24 START 176.457
HIERARCH ESO ISS PBL24 END 176.436
HIERARCH ESO ISS PBLA24 START 356.449
HIERARCH ESO ISS PBLA24 END 356.558
HIERARCH ESO ISS PBL34 START 166.834
HIERARCH ESO ISS PBL34 END 166.799
HIERARCH ESO ISS PBLA34 START 329.762
HIERARCH ESO ISS PBLA34 END 329.778
HIERARCH ESO ISS AMBI TAU0 START 0.011013
HIERARCH ESO ISS AMBI TAU0 END 0.01251
HIERARCH ESO ISS AMBI TEMP 14.02
HIERARCH ESO ISS AMBI FWHM START 0.25
HIERARCH ESO ISS AMBI FWHM END 0.27