Exposure
ID
PIONI.2025-05-31T09:32:15.386_1
Header ID
PIONI.2025-05-31T09:32:15.386
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 09:32:15.386
UTC End
2025-05-31 09:32:53.786
MJD Start
60826.3974003019
MJD End
60826.397844746345
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.005971
Ambient temperature (°C)
15.0
Seeing (arcsec)
0.31
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 39.1250 39.1180 176.4000 176.6000
A0-J2 85.1920 84.8450 94.3000 94.3000
A0-J6 169.1920 169.1650 35.0340 35.0220
B5-J2 88.7850 88.5580 68.4000 68.3000
B5-J6 201.2600 201.2860 28.0680 28.0840
J2-J6 145.3700 145.3950 4.7960 4.9150
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 60826.3974003019
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 39.125
HIERARCH ESO ISS PBL12 END 39.118
HIERARCH ESO ISS PBLA12 START 176.4
HIERARCH ESO ISS PBLA12 END 176.6
HIERARCH ESO ISS PBL13 START 85.192
HIERARCH ESO ISS PBL13 END 84.845
HIERARCH ESO ISS PBLA13 START 94.3
HIERARCH ESO ISS PBLA13 END 94.3
HIERARCH ESO ISS PBL14 START 169.192
HIERARCH ESO ISS PBL14 END 169.165
HIERARCH ESO ISS PBLA14 START 35.034
HIERARCH ESO ISS PBLA14 END 35.022
HIERARCH ESO ISS PBL23 START 88.785
HIERARCH ESO ISS PBL23 END 88.558
HIERARCH ESO ISS PBLA23 START 68.4
HIERARCH ESO ISS PBLA23 END 68.3
HIERARCH ESO ISS PBL24 START 201.26
HIERARCH ESO ISS PBL24 END 201.286
HIERARCH ESO ISS PBLA24 START 28.068
HIERARCH ESO ISS PBLA24 END 28.084
HIERARCH ESO ISS PBL34 START 145.37
HIERARCH ESO ISS PBL34 END 145.395
HIERARCH ESO ISS PBLA34 START 4.796
HIERARCH ESO ISS PBLA34 END 4.915
HIERARCH ESO ISS AMBI TAU0 START 0.005971
HIERARCH ESO ISS AMBI TAU0 END 0.005971
HIERARCH ESO ISS AMBI TEMP 15.0
HIERARCH ESO ISS AMBI FWHM START 0.31
HIERARCH ESO ISS AMBI FWHM END 0.31