Exposure
ID
PIONI.2025-07-23T03:03:16.227_1
Header ID
PIONI.2025-07-23T03:03:16.227
Date updated
2025-07-23 03:10:47 UTC+0000
Release date
2026-07-23 03:10:47 UTC+0000
UTC Start
2025-07-23 03:03:16.227
UTC End
2025-07-23 03:03:54.627
MJD Start
60879.1272711451
MJD End
60879.127715589544
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.006002
Ambient temperature (°C)
14.64
Seeing (arcsec)
0.51
Observation
ID
68885
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
51249
Name
V FG Ser
RA
273.778505
DEC
-0.31454
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 88.3250 88.2600 114.2000 114.2000
A0-J2 128.9850 128.9550 92.6000 92.6000
A0-K0 127.4150 127.4550 72.6970 72.7080
G1-J2 57.0400 57.0750 57.8000 57.9000
G1-K0 84.7170 84.7720 29.0040 29.0760
J2-K0 44.3130 44.3020 350.6390 350.7370
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 60879.1272711451
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V FG Ser
RA 273.778505
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
HIERARCH ESO DET DIT 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 88.325
HIERARCH ESO ISS PBL12 END 88.26
HIERARCH ESO ISS PBLA12 START 114.2
HIERARCH ESO ISS PBLA12 END 114.2
HIERARCH ESO ISS PBL13 START 128.985
HIERARCH ESO ISS PBL13 END 128.955
HIERARCH ESO ISS PBLA13 START 92.6
HIERARCH ESO ISS PBLA13 END 92.6
HIERARCH ESO ISS PBL14 START 127.415
HIERARCH ESO ISS PBL14 END 127.455
HIERARCH ESO ISS PBLA14 START 72.697
HIERARCH ESO ISS PBLA14 END 72.708
HIERARCH ESO ISS PBL23 START 57.04
HIERARCH ESO ISS PBL23 END 57.075
HIERARCH ESO ISS PBLA23 START 57.8
HIERARCH ESO ISS PBLA23 END 57.9
HIERARCH ESO ISS PBL24 START 84.717
HIERARCH ESO ISS PBL24 END 84.772
HIERARCH ESO ISS PBLA24 START 29.004
HIERARCH ESO ISS PBLA24 END 29.076
HIERARCH ESO ISS PBL34 START 44.313
HIERARCH ESO ISS PBL34 END 44.302
HIERARCH ESO ISS PBLA34 START 350.639
HIERARCH ESO ISS PBLA34 END 350.737
HIERARCH ESO ISS AMBI TAU0 START 0.006002
HIERARCH ESO ISS AMBI TAU0 END 0.006002
HIERARCH ESO ISS AMBI TEMP 14.64
HIERARCH ESO ISS AMBI FWHM START 0.51
HIERARCH ESO ISS AMBI FWHM END 0.51