Exposure
ID
PIONI.2025-06-02T03:23:05.320_1
Header ID
PIONI.2025-06-02T03:23:05.320
Date updated
2025-06-02 03:31:15 UTC+0000
Release date
2025-06-02 03:23:05 UTC+0000
UTC Start
2025-06-02 03:23:05.321
UTC End
2025-06-02 03:23:43.721
MJD Start
60828.1410338036
MJD End
60828.14147824804
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0052995
Ambient temperature (°C)
12.25
Seeing (arcsec)
0.48
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 48.6360 48.6390 143.1000 143.1000
A0-J2 98.6600 98.9570 94.1000 94.0000
A0-J6 137.8900 137.9260 5.6740 5.8180
B5-J2 76.2510 76.5170 65.2000 65.3000
B5-J6 176.8110 176.7810 354.9580 355.0690
J2-J6 167.2600 167.2320 329.5500 329.5650
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 60828.1410338036
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 48.636
HIERARCH ESO ISS PBL12 END 48.639
HIERARCH ESO ISS PBLA12 START 143.1
HIERARCH ESO ISS PBLA12 END 143.1
HIERARCH ESO ISS PBL13 START 98.66
HIERARCH ESO ISS PBL13 END 98.957
HIERARCH ESO ISS PBLA13 START 94.1
HIERARCH ESO ISS PBLA13 END 94.0
HIERARCH ESO ISS PBL14 START 137.89
HIERARCH ESO ISS PBL14 END 137.926
HIERARCH ESO ISS PBLA14 START 5.674
HIERARCH ESO ISS PBLA14 END 5.818
HIERARCH ESO ISS PBL23 START 76.251
HIERARCH ESO ISS PBL23 END 76.517
HIERARCH ESO ISS PBLA23 START 65.2
HIERARCH ESO ISS PBLA23 END 65.3
HIERARCH ESO ISS PBL24 START 176.811
HIERARCH ESO ISS PBL24 END 176.781
HIERARCH ESO ISS PBLA24 START 354.958
HIERARCH ESO ISS PBLA24 END 355.069
HIERARCH ESO ISS PBL34 START 167.26
HIERARCH ESO ISS PBL34 END 167.232
HIERARCH ESO ISS PBLA34 START 329.55
HIERARCH ESO ISS PBLA34 END 329.565
HIERARCH ESO ISS AMBI TAU0 START 0.005164
HIERARCH ESO ISS AMBI TAU0 END 0.005435
HIERARCH ESO ISS AMBI TEMP 12.25
HIERARCH ESO ISS AMBI FWHM START 0.47
HIERARCH ESO ISS AMBI FWHM END 0.49