Exposure
ID
PIONI.2025-05-31T07:37:59.477_1
Header ID
PIONI.2025-05-31T07:37:59.477
Date updated
2025-05-31 07:45:51 UTC+0000
Release date
2026-05-31 07:45:51 UTC+0000
UTC Start
2025-05-31 07:37:59.477
UTC End
2025-05-31 07:38:37.877
MJD Start
60826.3180494998
MJD End
60826.31849394424
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.014062
Ambient temperature (°C)
15.43
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 42.2110 42.1780 157.6000 157.7000
A0-J2 121.3010 121.1440 92.9000 92.9000
A0-J6 166.0420 166.1080 33.2860 33.3230
B5-J2 110.1180 110.0500 72.6000 72.6000
B5-J6 193.0070 193.0880 22.8770 22.9350
J2-J6 147.9130 147.8560 348.2860 348.3920
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 60826.3180494998
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 42.211
HIERARCH ESO ISS PBL12 END 42.178
HIERARCH ESO ISS PBLA12 START 157.6
HIERARCH ESO ISS PBLA12 END 157.7
HIERARCH ESO ISS PBL13 START 121.301
HIERARCH ESO ISS PBL13 END 121.144
HIERARCH ESO ISS PBLA13 START 92.9
HIERARCH ESO ISS PBLA13 END 92.9
HIERARCH ESO ISS PBL14 START 166.042
HIERARCH ESO ISS PBL14 END 166.108
HIERARCH ESO ISS PBLA14 START 33.286
HIERARCH ESO ISS PBLA14 END 33.323
HIERARCH ESO ISS PBL23 START 110.118
HIERARCH ESO ISS PBL23 END 110.05
HIERARCH ESO ISS PBLA23 START 72.6
HIERARCH ESO ISS PBLA23 END 72.6
HIERARCH ESO ISS PBL24 START 193.007
HIERARCH ESO ISS PBL24 END 193.088
HIERARCH ESO ISS PBLA24 START 22.877
HIERARCH ESO ISS PBLA24 END 22.935
HIERARCH ESO ISS PBL34 START 147.913
HIERARCH ESO ISS PBL34 END 147.856
HIERARCH ESO ISS PBLA34 START 348.286
HIERARCH ESO ISS PBLA34 END 348.392
HIERARCH ESO ISS AMBI TAU0 START 0.014062
HIERARCH ESO ISS AMBI TAU0 END 0.014062
HIERARCH ESO ISS AMBI TEMP 15.43
HIERARCH ESO ISS AMBI FWHM START 0.31
HIERARCH ESO ISS AMBI FWHM END 0.28