Exposure
ID
PIONI.2025-07-23T02:18:08.443_1
Header ID
PIONI.2025-07-23T02:18:08.443
Date updated
2025-07-23 02:25:55 UTC+0000
Release date
2026-07-23 02:25:55 UTC+0000
UTC Start
2025-07-23 02:18:08.443
UTC End
2025-07-23 02:18:34.043
MJD Start
60879.095931048
MJD End
60879.0962273443
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003922
Ambient temperature (°C)
12.97
Seeing (arcsec)
1.41
Observation
ID
68885
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
51249
Name
V FG Ser
RA
273.778505
DEC
-0.31454
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 90.4370 90.4290 113.5000 113.5000
A0-J2 128.0630 128.1080 92.6000 92.6000
A0-K0 122.9190 123.0070 71.9840 71.9980
G1-J2 54.3320 54.3770 56.0000 56.0000
G1-K0 81.5440 81.5870 24.6210 24.6870
J2-K0 45.0880 45.0770 345.8170 345.8770
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 60879.095931048
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V FG Ser
RA 273.778505
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 90.437
HIERARCH ESO ISS PBL12 END 90.429
HIERARCH ESO ISS PBLA12 START 113.5
HIERARCH ESO ISS PBLA12 END 113.5
HIERARCH ESO ISS PBL13 START 128.063
HIERARCH ESO ISS PBL13 END 128.108
HIERARCH ESO ISS PBLA13 START 92.6
HIERARCH ESO ISS PBLA13 END 92.6
HIERARCH ESO ISS PBL14 START 122.919
HIERARCH ESO ISS PBL14 END 123.007
HIERARCH ESO ISS PBLA14 START 71.984
HIERARCH ESO ISS PBLA14 END 71.998
HIERARCH ESO ISS PBL23 START 54.332
HIERARCH ESO ISS PBL23 END 54.377
HIERARCH ESO ISS PBLA23 START 56.0
HIERARCH ESO ISS PBLA23 END 56.0
HIERARCH ESO ISS PBL24 START 81.544
HIERARCH ESO ISS PBL24 END 81.587
HIERARCH ESO ISS PBLA24 START 24.621
HIERARCH ESO ISS PBLA24 END 24.687
HIERARCH ESO ISS PBL34 START 45.088
HIERARCH ESO ISS PBL34 END 45.077
HIERARCH ESO ISS PBLA34 START 345.817
HIERARCH ESO ISS PBLA34 END 345.877
HIERARCH ESO ISS AMBI TAU0 START 0.003922
HIERARCH ESO ISS AMBI TAU0 END 0.003922
HIERARCH ESO ISS AMBI TEMP 12.97
HIERARCH ESO ISS AMBI FWHM START 1.41
HIERARCH ESO ISS AMBI FWHM END 1.41