Exposure
ID
PIONI.2025-05-31T06:59:34.664_1
Header ID
PIONI.2025-05-31T06:59:34.664
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 06:59:34.664
UTC End
2025-05-31 07:00:13.064
MJD Start
60826.2913734298
MJD End
60826.29181787424
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.011961
Ambient temperature (°C)
15.25
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 43.8120 43.7780 152.9000 153.0000
A0-J2 127.0450 126.9610 92.7000 92.7000
A0-J6 162.2370 162.3270 31.1250 31.1780
B5-J2 111.9600 111.9510 72.8000 72.8000
B5-J6 189.0220 189.1060 19.7620 19.8330
J2-J6 151.0640 150.9900 343.4420 343.5370
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 60826.2913734298
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 43.812
HIERARCH ESO ISS PBL12 END 43.778
HIERARCH ESO ISS PBLA12 START 152.9
HIERARCH ESO ISS PBLA12 END 153.0
HIERARCH ESO ISS PBL13 START 127.045
HIERARCH ESO ISS PBL13 END 126.961
HIERARCH ESO ISS PBLA13 START 92.7
HIERARCH ESO ISS PBLA13 END 92.7
HIERARCH ESO ISS PBL14 START 162.237
HIERARCH ESO ISS PBL14 END 162.327
HIERARCH ESO ISS PBLA14 START 31.125
HIERARCH ESO ISS PBLA14 END 31.178
HIERARCH ESO ISS PBL23 START 111.96
HIERARCH ESO ISS PBL23 END 111.951
HIERARCH ESO ISS PBLA23 START 72.8
HIERARCH ESO ISS PBLA23 END 72.8
HIERARCH ESO ISS PBL24 START 189.022
HIERARCH ESO ISS PBL24 END 189.106
HIERARCH ESO ISS PBLA24 START 19.762
HIERARCH ESO ISS PBLA24 END 19.833
HIERARCH ESO ISS PBL34 START 151.064
HIERARCH ESO ISS PBL34 END 150.99
HIERARCH ESO ISS PBLA34 START 343.442
HIERARCH ESO ISS PBLA34 END 343.537
HIERARCH ESO ISS AMBI TAU0 START 0.012944
HIERARCH ESO ISS AMBI TAU0 END 0.010978
HIERARCH ESO ISS AMBI TEMP 15.25
HIERARCH ESO ISS AMBI FWHM START 0.32
HIERARCH ESO ISS AMBI FWHM END 0.32