Exposure
ID
PIONI.2025-06-01T03:34:42.333_1
Header ID
PIONI.2025-06-01T03:34:42.333
Date updated
2025-06-01 03:41:43 UTC+0000
Release date
2025-06-01 03:34:42 UTC+0000
UTC Start
2025-06-01 03:34:42.333
UTC End
2025-06-01 03:35:20.733
MJD Start
60827.1491010757
MJD End
60827.149545520144
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.011013
Ambient temperature (°C)
14.04
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 48.6550 48.6560 143.1000 143.1000
A0-J2 101.4070 101.6860 93.9000 93.9000
A0-J6 138.2580 138.3000 7.0170 7.1550
B5-J2 78.7300 78.9840 66.0000 66.1000
B5-J6 176.5520 176.5280 355.9940 356.1020
J2-J6 166.9730 166.9410 329.6900 329.7070
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 60827.1491010757
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 48.655
HIERARCH ESO ISS PBL12 END 48.656
HIERARCH ESO ISS PBLA12 START 143.1
HIERARCH ESO ISS PBLA12 END 143.1
HIERARCH ESO ISS PBL13 START 101.407
HIERARCH ESO ISS PBL13 END 101.686
HIERARCH ESO ISS PBLA13 START 93.9
HIERARCH ESO ISS PBLA13 END 93.9
HIERARCH ESO ISS PBL14 START 138.258
HIERARCH ESO ISS PBL14 END 138.3
HIERARCH ESO ISS PBLA14 START 7.017
HIERARCH ESO ISS PBLA14 END 7.155
HIERARCH ESO ISS PBL23 START 78.73
HIERARCH ESO ISS PBL23 END 78.984
HIERARCH ESO ISS PBLA23 START 66.0
HIERARCH ESO ISS PBLA23 END 66.1
HIERARCH ESO ISS PBL24 START 176.552
HIERARCH ESO ISS PBL24 END 176.528
HIERARCH ESO ISS PBLA24 START 355.994
HIERARCH ESO ISS PBLA24 END 356.102
HIERARCH ESO ISS PBL34 START 166.973
HIERARCH ESO ISS PBL34 END 166.941
HIERARCH ESO ISS PBLA34 START 329.69
HIERARCH ESO ISS PBLA34 END 329.707
HIERARCH ESO ISS AMBI TAU0 START 0.011013
HIERARCH ESO ISS AMBI TAU0 END 0.011013
HIERARCH ESO ISS AMBI TEMP 14.04
HIERARCH ESO ISS AMBI FWHM START 0.26
HIERARCH ESO ISS AMBI FWHM END 0.26