Exposure
ID
PIONI.2025-05-31T09:33:55.608_1
Header ID
PIONI.2025-05-31T09:33:55.608
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 09:33:55.608
UTC End
2025-05-31 09:34:34.008
MJD Start
60826.3985602795
MJD End
60826.39900472394
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.006302
Ambient temperature (°C)
15.0
Seeing (arcsec)
0.29500000000000004
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 39.1120 39.1070 176.8000 176.9000
A0-J2 84.4760 84.1340 94.3000 94.3000
A0-J6 169.1350 169.1070 35.0090 34.9970
B5-J2 88.3160 88.0880 68.3000 68.2000
B5-J6 201.3140 201.3390 28.1000 28.1140
J2-J6 145.4230 145.4500 5.0410 5.1600
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 60826.3985602795
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 39.112
HIERARCH ESO ISS PBL12 END 39.107
HIERARCH ESO ISS PBLA12 START 176.8
HIERARCH ESO ISS PBLA12 END 176.9
HIERARCH ESO ISS PBL13 START 84.476
HIERARCH ESO ISS PBL13 END 84.134
HIERARCH ESO ISS PBLA13 START 94.3
HIERARCH ESO ISS PBLA13 END 94.3
HIERARCH ESO ISS PBL14 START 169.135
HIERARCH ESO ISS PBL14 END 169.107
HIERARCH ESO ISS PBLA14 START 35.009
HIERARCH ESO ISS PBLA14 END 34.997
HIERARCH ESO ISS PBL23 START 88.316
HIERARCH ESO ISS PBL23 END 88.088
HIERARCH ESO ISS PBLA23 START 68.3
HIERARCH ESO ISS PBLA23 END 68.2
HIERARCH ESO ISS PBL24 START 201.314
HIERARCH ESO ISS PBL24 END 201.339
HIERARCH ESO ISS PBLA24 START 28.1
HIERARCH ESO ISS PBLA24 END 28.114
HIERARCH ESO ISS PBL34 START 145.423
HIERARCH ESO ISS PBL34 END 145.45
HIERARCH ESO ISS PBLA34 START 5.041
HIERARCH ESO ISS PBLA34 END 5.16
HIERARCH ESO ISS AMBI TAU0 START 0.005691
HIERARCH ESO ISS AMBI TAU0 END 0.006913
HIERARCH ESO ISS AMBI TEMP 15.0
HIERARCH ESO ISS AMBI FWHM START 0.31
HIERARCH ESO ISS AMBI FWHM END 0.28