Exposure
ID
PIONI.2025-05-31T07:36:18.829_1
Header ID
PIONI.2025-05-31T07:36:18.829
Date updated
2025-05-31 07:41:41 UTC+0000
Release date
2026-05-31 07:41:41 UTC+0000
UTC Start
2025-05-31 07:36:18.829
UTC End
2025-05-31 07:36:57.229
MJD Start
60826.3168845959
MJD End
60826.31732904034
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.012873
Ambient temperature (°C)
15.45
Seeing (arcsec)
0.31
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 42.2790 42.2460 157.4000 157.5000
A0-J2 121.6250 121.4720 92.8000 92.8000
A0-J6 165.8990 165.9670 33.2090 33.2460
B5-J2 110.2590 110.1930 72.6000 72.6000
B5-J6 192.8380 192.9180 22.7550 22.8130
J2-J6 148.0330 147.9750 348.0610 348.1680
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 60826.3168845959
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 42.279
HIERARCH ESO ISS PBL12 END 42.246
HIERARCH ESO ISS PBLA12 START 157.4
HIERARCH ESO ISS PBLA12 END 157.5
HIERARCH ESO ISS PBL13 START 121.625
HIERARCH ESO ISS PBL13 END 121.472
HIERARCH ESO ISS PBLA13 START 92.8
HIERARCH ESO ISS PBLA13 END 92.8
HIERARCH ESO ISS PBL14 START 165.899
HIERARCH ESO ISS PBL14 END 165.967
HIERARCH ESO ISS PBLA14 START 33.209
HIERARCH ESO ISS PBLA14 END 33.246
HIERARCH ESO ISS PBL23 START 110.259
HIERARCH ESO ISS PBL23 END 110.193
HIERARCH ESO ISS PBLA23 START 72.6
HIERARCH ESO ISS PBLA23 END 72.6
HIERARCH ESO ISS PBL24 START 192.838
HIERARCH ESO ISS PBL24 END 192.918
HIERARCH ESO ISS PBLA24 START 22.755
HIERARCH ESO ISS PBLA24 END 22.813
HIERARCH ESO ISS PBL34 START 148.033
HIERARCH ESO ISS PBL34 END 147.975
HIERARCH ESO ISS PBLA34 START 348.061
HIERARCH ESO ISS PBLA34 END 348.168
HIERARCH ESO ISS AMBI TAU0 START 0.012873
HIERARCH ESO ISS AMBI TAU0 END 0.012873
HIERARCH ESO ISS AMBI TEMP 15.45
HIERARCH ESO ISS AMBI FWHM START 0.31
HIERARCH ESO ISS AMBI FWHM END 0.31