Exposure
ID
PIONI.2025-05-31T08:41:18.982_1
Header ID
PIONI.2025-05-31T08:41:18.982
Date updated
2025-05-31 08:46:52 UTC+0000
Release date
2025-05-31 08:41:18 UTC+0000
UTC Start
2025-05-31 08:41:18.982
UTC End
2025-05-31 08:41:57.382
MJD Start
60826.3620252493
MJD End
60826.36246969374
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.009882
Ambient temperature (°C)
15.1
Seeing (arcsec)
0.31
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 39.3350 39.3140 168.1000 168.2000
A0-J2 102.6050 102.3240 92.6000 92.6000
A0-J6 169.4450 169.4640 35.1840 35.1900
B5-J2 100.2400 100.0710 70.3000 70.2000
B5-J6 198.3170 198.3780 26.8250 26.8560
J2-J6 143.2380 143.2270 358.0480 358.1710
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 60826.3620252493
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 39.335
HIERARCH ESO ISS PBL12 END 39.314
HIERARCH ESO ISS PBLA12 START 168.1
HIERARCH ESO ISS PBLA12 END 168.2
HIERARCH ESO ISS PBL13 START 102.605
HIERARCH ESO ISS PBL13 END 102.324
HIERARCH ESO ISS PBLA13 START 92.6
HIERARCH ESO ISS PBLA13 END 92.6
HIERARCH ESO ISS PBL14 START 169.445
HIERARCH ESO ISS PBL14 END 169.464
HIERARCH ESO ISS PBLA14 START 35.184
HIERARCH ESO ISS PBLA14 END 35.19
HIERARCH ESO ISS PBL23 START 100.24
HIERARCH ESO ISS PBL23 END 100.071
HIERARCH ESO ISS PBLA23 START 70.3
HIERARCH ESO ISS PBLA23 END 70.2
HIERARCH ESO ISS PBL24 START 198.317
HIERARCH ESO ISS PBL24 END 198.378
HIERARCH ESO ISS PBLA24 START 26.825
HIERARCH ESO ISS PBLA24 END 26.856
HIERARCH ESO ISS PBL34 START 143.238
HIERARCH ESO ISS PBL34 END 143.227
HIERARCH ESO ISS PBLA34 START 358.048
HIERARCH ESO ISS PBLA34 END 358.171
HIERARCH ESO ISS AMBI TAU0 START 0.009882
HIERARCH ESO ISS AMBI TAU0 END 0.009882
HIERARCH ESO ISS AMBI TEMP 15.1
HIERARCH ESO ISS AMBI FWHM START 0.31
HIERARCH ESO ISS AMBI FWHM END 0.31