Exposure
ID
PIONI.2025-07-23T03:18:41.812_1
Header ID
PIONI.2025-07-23T03:18:41.812
Date updated
2025-07-23 03:25:47 UTC+0000
Release date
2026-07-23 03:25:46 UTC+0000
UTC Start
2025-07-23 03:18:41.812
UTC End
2025-07-23 03:19:20.212
MJD Start
60879.1379839298
MJD End
60879.138428374245
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.006418
Ambient temperature (°C)
14.27
Seeing (arcsec)
0.6
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 86.9430 86.8610 114.6000 114.7000
A0-J2 128.1490 128.0880 92.6000 92.6000
A0-K0 127.9250 127.9370 72.7890 72.7970
G1-J2 57.6160 57.6420 58.2000 58.2000
G1-K0 85.7310 85.7820 30.2230 30.2880
J2-K0 44.1110 44.1020 352.4180 352.5180
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 60879.1379839298
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 86.943
HIERARCH ESO ISS PBL12 END 86.861
HIERARCH ESO ISS PBLA12 START 114.6
HIERARCH ESO ISS PBLA12 END 114.7
HIERARCH ESO ISS PBL13 START 128.149
HIERARCH ESO ISS PBL13 END 128.088
HIERARCH ESO ISS PBLA13 START 92.6
HIERARCH ESO ISS PBLA13 END 92.6
HIERARCH ESO ISS PBL14 START 127.925
HIERARCH ESO ISS PBL14 END 127.937
HIERARCH ESO ISS PBLA14 START 72.789
HIERARCH ESO ISS PBLA14 END 72.797
HIERARCH ESO ISS PBL23 START 57.616
HIERARCH ESO ISS PBL23 END 57.642
HIERARCH ESO ISS PBLA23 START 58.2
HIERARCH ESO ISS PBLA23 END 58.2
HIERARCH ESO ISS PBL24 START 85.731
HIERARCH ESO ISS PBL24 END 85.782
HIERARCH ESO ISS PBLA24 START 30.223
HIERARCH ESO ISS PBLA24 END 30.288
HIERARCH ESO ISS PBL34 START 44.111
HIERARCH ESO ISS PBL34 END 44.102
HIERARCH ESO ISS PBLA34 START 352.418
HIERARCH ESO ISS PBLA34 END 352.518
HIERARCH ESO ISS AMBI TAU0 START 0.006418
HIERARCH ESO ISS AMBI TAU0 END 0.006418
HIERARCH ESO ISS AMBI TEMP 14.27
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.6