Exposure
ID
PIONI.2025-05-31T09:04:29.571_1
Header ID
PIONI.2025-05-31T09:04:29.571
Date updated
2025-05-31 09:11:08 UTC+0000
Release date
2026-05-31 09:11:08 UTC+0000
UTC Start
2025-05-31 09:04:29.570
UTC End
2025-05-31 09:05:07.970
MJD Start
60826.378120027
MJD End
60826.378564471444
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0083415
Ambient temperature (°C)
15.03
Seeing (arcsec)
0.35
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 39.4950 39.4800 171.4000 171.5000
A0-J2 96.3050 96.0030 93.7000 93.7000
A0-J6 169.6890 169.6860 35.2340 35.2340
B5-J2 95.9430 95.7530 70.0000 70.0000
B5-J6 200.0410 200.0840 27.3680 27.3930
J2-J6 144.8750 144.8790 0.7040 0.8230
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 60826.378120027
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 39.495
HIERARCH ESO ISS PBL12 END 39.48
HIERARCH ESO ISS PBLA12 START 171.4
HIERARCH ESO ISS PBLA12 END 171.5
HIERARCH ESO ISS PBL13 START 96.305
HIERARCH ESO ISS PBL13 END 96.003
HIERARCH ESO ISS PBLA13 START 93.7
HIERARCH ESO ISS PBLA13 END 93.7
HIERARCH ESO ISS PBL14 START 169.689
HIERARCH ESO ISS PBL14 END 169.686
HIERARCH ESO ISS PBLA14 START 35.234
HIERARCH ESO ISS PBLA14 END 35.234
HIERARCH ESO ISS PBL23 START 95.943
HIERARCH ESO ISS PBL23 END 95.753
HIERARCH ESO ISS PBLA23 START 70.0
HIERARCH ESO ISS PBLA23 END 70.0
HIERARCH ESO ISS PBL24 START 200.041
HIERARCH ESO ISS PBL24 END 200.084
HIERARCH ESO ISS PBLA24 START 27.368
HIERARCH ESO ISS PBLA24 END 27.393
HIERARCH ESO ISS PBL34 START 144.875
HIERARCH ESO ISS PBL34 END 144.879
HIERARCH ESO ISS PBLA34 START 0.704
HIERARCH ESO ISS PBLA34 END 0.823
HIERARCH ESO ISS AMBI TAU0 START 0.009148
HIERARCH ESO ISS AMBI TAU0 END 0.007535
HIERARCH ESO ISS AMBI TEMP 15.03
HIERARCH ESO ISS AMBI FWHM START 0.39
HIERARCH ESO ISS AMBI FWHM END 0.31