Exposure
ID
PIONI.2025-05-31T08:47:39.458_1
Header ID
PIONI.2025-05-31T08:47:39.458
Date updated
2025-05-31 08:56:04 UTC+0000
Release date
2026-05-31 08:56:04 UTC+0000
UTC Start
2025-05-31 08:47:39.458
UTC End
2025-05-31 08:48:17.858
MJD Start
60826.3664289117
MJD End
60826.36687335614
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.007287999999999999
Ambient temperature (°C)
15.05
Seeing (arcsec)
0.33
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 39.8600 39.8400 168.4000 168.5000
A0-J2 102.3720 102.0960 93.5000 93.5000
A0-J6 169.5860 169.5980 35.1620 35.1690
B5-J2 99.7160 99.5470 70.8000 70.8000
B5-J6 199.0150 199.0690 26.7680 26.8000
J2-J6 144.9330 144.9240 358.2070 358.3260
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 60826.3664289117
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 39.86
HIERARCH ESO ISS PBL12 END 39.84
HIERARCH ESO ISS PBLA12 START 168.4
HIERARCH ESO ISS PBLA12 END 168.5
HIERARCH ESO ISS PBL13 START 102.372
HIERARCH ESO ISS PBL13 END 102.096
HIERARCH ESO ISS PBLA13 START 93.5
HIERARCH ESO ISS PBLA13 END 93.5
HIERARCH ESO ISS PBL14 START 169.586
HIERARCH ESO ISS PBL14 END 169.598
HIERARCH ESO ISS PBLA14 START 35.162
HIERARCH ESO ISS PBLA14 END 35.169
HIERARCH ESO ISS PBL23 START 99.716
HIERARCH ESO ISS PBL23 END 99.547
HIERARCH ESO ISS PBLA23 START 70.8
HIERARCH ESO ISS PBLA23 END 70.8
HIERARCH ESO ISS PBL24 START 199.015
HIERARCH ESO ISS PBL24 END 199.069
HIERARCH ESO ISS PBLA24 START 26.768
HIERARCH ESO ISS PBLA24 END 26.8
HIERARCH ESO ISS PBL34 START 144.933
HIERARCH ESO ISS PBL34 END 144.924
HIERARCH ESO ISS PBLA34 START 358.207
HIERARCH ESO ISS PBLA34 END 358.326
HIERARCH ESO ISS AMBI TAU0 START 0.008159
HIERARCH ESO ISS AMBI TAU0 END 0.006417
HIERARCH ESO ISS AMBI TEMP 15.05
HIERARCH ESO ISS AMBI FWHM START 0.33
HIERARCH ESO ISS AMBI FWHM END 0.33