Exposure
ID
PIONI.2025-05-31T08:01:10.645_1
Header ID
PIONI.2025-05-31T08:01:10.645
Date updated
2025-05-31 08:10:57 UTC+0000
Release date
2026-05-31 08:10:57 UTC+0000
UTC Start
2025-05-31 08:01:10.644
UTC End
2025-05-31 08:01:49.044
MJD Start
60826.334150976
MJD End
60826.33459542044
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0073
Ambient temperature (°C)
15.2
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 41.3120 41.2830 160.9000 161.0000
A0-J2 116.1720 115.9730 93.0000 93.0000
A0-J6 167.7500 167.8000 34.1960 34.2230
B5-J2 107.6370 107.5340 72.2000 72.2000
B5-J6 195.2580 195.3320 24.4250 24.4740
J2-J6 146.4690 146.4260 351.4640 351.5760
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 60826.334150976
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 41.312
HIERARCH ESO ISS PBL12 END 41.283
HIERARCH ESO ISS PBLA12 START 160.9
HIERARCH ESO ISS PBLA12 END 161.0
HIERARCH ESO ISS PBL13 START 116.172
HIERARCH ESO ISS PBL13 END 115.973
HIERARCH ESO ISS PBLA13 START 93.0
HIERARCH ESO ISS PBLA13 END 93.0
HIERARCH ESO ISS PBL14 START 167.75
HIERARCH ESO ISS PBL14 END 167.8
HIERARCH ESO ISS PBLA14 START 34.196
HIERARCH ESO ISS PBLA14 END 34.223
HIERARCH ESO ISS PBL23 START 107.637
HIERARCH ESO ISS PBL23 END 107.534
HIERARCH ESO ISS PBLA23 START 72.2
HIERARCH ESO ISS PBLA23 END 72.2
HIERARCH ESO ISS PBL24 START 195.258
HIERARCH ESO ISS PBL24 END 195.332
HIERARCH ESO ISS PBLA24 START 24.425
HIERARCH ESO ISS PBLA24 END 24.474
HIERARCH ESO ISS PBL34 START 146.469
HIERARCH ESO ISS PBL34 END 146.426
HIERARCH ESO ISS PBLA34 START 351.464
HIERARCH ESO ISS PBLA34 END 351.576
HIERARCH ESO ISS AMBI TAU0 START 0.0073
HIERARCH ESO ISS AMBI TAU0 END 0.0073
HIERARCH ESO ISS AMBI TEMP 15.2
HIERARCH ESO ISS AMBI FWHM START 0.32
HIERARCH ESO ISS AMBI FWHM END 0.32