Exposure
ID
PIONI.2025-05-31T09:49:27.826_1
Header ID
PIONI.2025-05-31T09:49:27.826
Date updated
2025-05-31 10:04:34 UTC+0000
Release date
2026-05-31 10:04:34 UTC+0000
UTC Start
2025-05-31 09:49:27.826
UTC End
2025-05-31 09:50:06.226
MJD Start
60826.4093498429
MJD End
60826.40979428734
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.006493
Ambient temperature (°C)
15.08
Seeing (arcsec)
0.275
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 39.0510 39.0510 179.7000 179.8000
A0-J2 77.6640 77.3040 94.7000 94.7000
A0-J6 168.4740 168.4330 34.7090 34.6900
B5-J2 83.8180 83.5790 67.0000 67.0000
B5-J6 201.6980 201.7120 28.3250 28.3330
J2-J6 146.0340 146.0710 7.2810 7.3950
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 60826.4093498429
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 39.051
HIERARCH ESO ISS PBL12 END 39.051
HIERARCH ESO ISS PBLA12 START 179.7
HIERARCH ESO ISS PBLA12 END 179.8
HIERARCH ESO ISS PBL13 START 77.664
HIERARCH ESO ISS PBL13 END 77.304
HIERARCH ESO ISS PBLA13 START 94.7
HIERARCH ESO ISS PBLA13 END 94.7
HIERARCH ESO ISS PBL14 START 168.474
HIERARCH ESO ISS PBL14 END 168.433
HIERARCH ESO ISS PBLA14 START 34.709
HIERARCH ESO ISS PBLA14 END 34.69
HIERARCH ESO ISS PBL23 START 83.818
HIERARCH ESO ISS PBL23 END 83.579
HIERARCH ESO ISS PBLA23 START 67.0
HIERARCH ESO ISS PBLA23 END 67.0
HIERARCH ESO ISS PBL24 START 201.698
HIERARCH ESO ISS PBL24 END 201.712
HIERARCH ESO ISS PBLA24 START 28.325
HIERARCH ESO ISS PBLA24 END 28.333
HIERARCH ESO ISS PBL34 START 146.034
HIERARCH ESO ISS PBL34 END 146.071
HIERARCH ESO ISS PBLA34 START 7.281
HIERARCH ESO ISS PBLA34 END 7.395
HIERARCH ESO ISS AMBI TAU0 START 0.006493
HIERARCH ESO ISS AMBI TAU0 END 0.006493
HIERARCH ESO ISS AMBI TEMP 15.08
HIERARCH ESO ISS AMBI FWHM START 0.28
HIERARCH ESO ISS AMBI FWHM END 0.27