Exposure
ID
PIONI.2025-05-31T07:01:15.466_1
Header ID
PIONI.2025-05-31T07:01:15.466
Date updated
2025-05-31 07:06:48 UTC+0000
Release date
2026-05-31 07:06:48 UTC+0000
UTC Start
2025-05-31 07:01:15.467
UTC End
2025-05-31 07:01:53.867
MJD Start
60826.2925401223
MJD End
60826.29298456674
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.010978
Ambient temperature (°C)
15.26
Seeing (arcsec)
0.32
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 43.7410 43.7070 153.1000 153.2000
A0-J2 126.8670 126.7800 92.7000 92.7000
A0-J6 162.4250 162.5140 31.2370 31.2900
B5-J2 111.9400 111.9280 72.8000 72.8000
B5-J6 189.1990 189.2830 19.9120 19.9840
J2-J6 150.9100 150.8370 343.6420 343.7370
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 60826.2925401223
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 43.741
HIERARCH ESO ISS PBL12 END 43.707
HIERARCH ESO ISS PBLA12 START 153.1
HIERARCH ESO ISS PBLA12 END 153.2
HIERARCH ESO ISS PBL13 START 126.867
HIERARCH ESO ISS PBL13 END 126.78
HIERARCH ESO ISS PBLA13 START 92.7
HIERARCH ESO ISS PBLA13 END 92.7
HIERARCH ESO ISS PBL14 START 162.425
HIERARCH ESO ISS PBL14 END 162.514
HIERARCH ESO ISS PBLA14 START 31.237
HIERARCH ESO ISS PBLA14 END 31.29
HIERARCH ESO ISS PBL23 START 111.94
HIERARCH ESO ISS PBL23 END 111.928
HIERARCH ESO ISS PBLA23 START 72.8
HIERARCH ESO ISS PBLA23 END 72.8
HIERARCH ESO ISS PBL24 START 189.199
HIERARCH ESO ISS PBL24 END 189.283
HIERARCH ESO ISS PBLA24 START 19.912
HIERARCH ESO ISS PBLA24 END 19.984
HIERARCH ESO ISS PBL34 START 150.91
HIERARCH ESO ISS PBL34 END 150.837
HIERARCH ESO ISS PBLA34 START 343.642
HIERARCH ESO ISS PBLA34 END 343.737
HIERARCH ESO ISS AMBI TAU0 START 0.010978
HIERARCH ESO ISS AMBI TAU0 END 0.010978
HIERARCH ESO ISS AMBI TEMP 15.26
HIERARCH ESO ISS AMBI FWHM START 0.32
HIERARCH ESO ISS AMBI FWHM END 0.32