Exposure
ID
PIONI.2025-05-31T09:35:36.592_1
Header ID
PIONI.2025-05-31T09:35:36.592
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 09:35:36.592
UTC End
2025-05-31 09:36:14.992
MJD Start
60826.3997290698
MJD End
60826.400173514245
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.008306500000000001
Ambient temperature (°C)
14.97
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 39.1010 39.0960 177.1000 177.2000
A0-J2 83.7560 83.4120 94.3000 94.4000
A0-J6 169.0760 169.0460 34.9830 34.9700
B5-J2 87.8440 87.6180 68.1000 68.1000
B5-J6 201.3650 201.3890 28.1290 28.1430
J2-J6 145.4790 145.5060 5.2860 5.4020
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 60826.3997290698
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 39.101
HIERARCH ESO ISS PBL12 END 39.096
HIERARCH ESO ISS PBLA12 START 177.1
HIERARCH ESO ISS PBLA12 END 177.2
HIERARCH ESO ISS PBL13 START 83.756
HIERARCH ESO ISS PBL13 END 83.412
HIERARCH ESO ISS PBLA13 START 94.3
HIERARCH ESO ISS PBLA13 END 94.4
HIERARCH ESO ISS PBL14 START 169.076
HIERARCH ESO ISS PBL14 END 169.046
HIERARCH ESO ISS PBLA14 START 34.983
HIERARCH ESO ISS PBLA14 END 34.97
HIERARCH ESO ISS PBL23 START 87.844
HIERARCH ESO ISS PBL23 END 87.618
HIERARCH ESO ISS PBLA23 START 68.1
HIERARCH ESO ISS PBLA23 END 68.1
HIERARCH ESO ISS PBL24 START 201.365
HIERARCH ESO ISS PBL24 END 201.389
HIERARCH ESO ISS PBLA24 START 28.129
HIERARCH ESO ISS PBLA24 END 28.143
HIERARCH ESO ISS PBL34 START 145.479
HIERARCH ESO ISS PBL34 END 145.506
HIERARCH ESO ISS PBLA34 START 5.286
HIERARCH ESO ISS PBLA34 END 5.402
HIERARCH ESO ISS AMBI TAU0 START 0.007886
HIERARCH ESO ISS AMBI TAU0 END 0.008727
HIERARCH ESO ISS AMBI TEMP 14.97
HIERARCH ESO ISS AMBI FWHM START 0.26
HIERARCH ESO ISS AMBI FWHM END 0.28