Exposure
ID
PIONI.2025-05-31T09:34:46.143_1
Header ID
PIONI.2025-05-31T09:34:46.143
Date updated
2025-05-31 09:47:11 UTC+0000
Release date
2026-05-31 09:47:11 UTC+0000
UTC Start
2025-05-31 09:34:46.143
UTC End
2025-05-31 09:35:24.543
MJD Start
60826.3991451729
MJD End
60826.399589617344
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0073995
Ambient temperature (°C)
15.0
Seeing (arcsec)
0.27
Observation
ID
67682
Category
science
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
50335
Name
V FG Ser
RA
273.77906
DEC
-0.31454
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 39.1060 39.1010 176.9000 177.1000
A0-J2 84.1200 83.7700 94.3000 94.3000
A0-J6 169.1060 169.0770 34.9960 34.9830
B5-J2 88.0830 87.8530 68.2000 68.1000
B5-J6 201.3400 201.3640 28.1140 28.1290
J2-J6 145.4500 145.4780 5.1620 5.2810
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.283B.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60826.3991451729
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V FG Ser
RA 273.77906
DEC -0.31454
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 39.106
HIERARCH ESO ISS PBL12 END 39.101
HIERARCH ESO ISS PBLA12 START 176.9
HIERARCH ESO ISS PBLA12 END 177.1
HIERARCH ESO ISS PBL13 START 84.12
HIERARCH ESO ISS PBL13 END 83.77
HIERARCH ESO ISS PBLA13 START 94.3
HIERARCH ESO ISS PBLA13 END 94.3
HIERARCH ESO ISS PBL14 START 169.106
HIERARCH ESO ISS PBL14 END 169.077
HIERARCH ESO ISS PBLA14 START 34.996
HIERARCH ESO ISS PBLA14 END 34.983
HIERARCH ESO ISS PBL23 START 88.083
HIERARCH ESO ISS PBL23 END 87.853
HIERARCH ESO ISS PBLA23 START 68.2
HIERARCH ESO ISS PBLA23 END 68.1
HIERARCH ESO ISS PBL24 START 201.34
HIERARCH ESO ISS PBL24 END 201.364
HIERARCH ESO ISS PBLA24 START 28.114
HIERARCH ESO ISS PBLA24 END 28.129
HIERARCH ESO ISS PBL34 START 145.45
HIERARCH ESO ISS PBL34 END 145.478
HIERARCH ESO ISS PBLA34 START 5.162
HIERARCH ESO ISS PBLA34 END 5.281
HIERARCH ESO ISS AMBI TAU0 START 0.006913
HIERARCH ESO ISS AMBI TAU0 END 0.007886
HIERARCH ESO ISS AMBI TEMP 15.0
HIERARCH ESO ISS AMBI FWHM START 0.28
HIERARCH ESO ISS AMBI FWHM END 0.26