Exposure
ID
PIONI.2025-06-02T03:23:55.641_1
Header ID
PIONI.2025-06-02T03:23:55.641
Date updated
2025-06-02 03:31:15 UTC+0000
Release date
2025-06-02 03:23:55 UTC+0000
UTC Start
2025-06-02 03:23:55.640
UTC End
2025-06-02 03:24:34.040
MJD Start
60828.1416162066
MJD End
60828.142060651044
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.005147
Ambient temperature (°C)
12.23
Seeing (arcsec)
0.525
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 48.6390 48.6410 143.1000 143.1000
A0-J2 98.9690 99.2580 94.0000 94.0000
A0-J6 137.9270 137.9630 5.8240 5.9640
B5-J2 76.5270 76.7870 65.3000 65.4000
B5-J6 176.7790 176.7500 355.0730 355.1810
J2-J6 167.2310 167.2030 329.5650 329.5790
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 60828.1416162066
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 48.639
HIERARCH ESO ISS PBL12 END 48.641
HIERARCH ESO ISS PBLA12 START 143.1
HIERARCH ESO ISS PBLA12 END 143.1
HIERARCH ESO ISS PBL13 START 98.969
HIERARCH ESO ISS PBL13 END 99.258
HIERARCH ESO ISS PBLA13 START 94.0
HIERARCH ESO ISS PBLA13 END 94.0
HIERARCH ESO ISS PBL14 START 137.927
HIERARCH ESO ISS PBL14 END 137.963
HIERARCH ESO ISS PBLA14 START 5.824
HIERARCH ESO ISS PBLA14 END 5.964
HIERARCH ESO ISS PBL23 START 76.527
HIERARCH ESO ISS PBL23 END 76.787
HIERARCH ESO ISS PBLA23 START 65.3
HIERARCH ESO ISS PBLA23 END 65.4
HIERARCH ESO ISS PBL24 START 176.779
HIERARCH ESO ISS PBL24 END 176.75
HIERARCH ESO ISS PBLA24 START 355.073
HIERARCH ESO ISS PBLA24 END 355.181
HIERARCH ESO ISS PBL34 START 167.231
HIERARCH ESO ISS PBL34 END 167.203
HIERARCH ESO ISS PBLA34 START 329.565
HIERARCH ESO ISS PBLA34 END 329.579
HIERARCH ESO ISS AMBI TAU0 START 0.005435
HIERARCH ESO ISS AMBI TAU0 END 0.004859
HIERARCH ESO ISS AMBI TEMP 12.23
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.56