Exposure
ID
PIONI.2025-07-23T03:02:26.019_1
Header ID
PIONI.2025-07-23T03:02:26.019
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 03:02:26.019
UTC End
2025-07-23 03:03:04.419
MJD Start
60879.1266900352
MJD End
60879.12713447964
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.006025000000000001
Ambient temperature (°C)
14.64
Seeing (arcsec)
0.52
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 88.3900 88.3260 114.2000 114.2000
A0-J2 129.0130 128.9850 92.6000 92.6000
A0-K0 127.3720 127.4140 72.6900 72.7020
G1-J2 57.0030 57.0390 57.8000 57.8000
G1-K0 84.6610 84.7160 28.9340 29.0070
J2-K0 44.3250 44.3130 350.5450 350.6420
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 60879.1266900352
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 88.39
HIERARCH ESO ISS PBL12 END 88.326
HIERARCH ESO ISS PBLA12 START 114.2
HIERARCH ESO ISS PBLA12 END 114.2
HIERARCH ESO ISS PBL13 START 129.013
HIERARCH ESO ISS PBL13 END 128.985
HIERARCH ESO ISS PBLA13 START 92.6
HIERARCH ESO ISS PBLA13 END 92.6
HIERARCH ESO ISS PBL14 START 127.372
HIERARCH ESO ISS PBL14 END 127.414
HIERARCH ESO ISS PBLA14 START 72.69
HIERARCH ESO ISS PBLA14 END 72.702
HIERARCH ESO ISS PBL23 START 57.003
HIERARCH ESO ISS PBL23 END 57.039
HIERARCH ESO ISS PBLA23 START 57.8
HIERARCH ESO ISS PBLA23 END 57.8
HIERARCH ESO ISS PBL24 START 84.661
HIERARCH ESO ISS PBL24 END 84.716
HIERARCH ESO ISS PBLA24 START 28.934
HIERARCH ESO ISS PBLA24 END 29.007
HIERARCH ESO ISS PBL34 START 44.325
HIERARCH ESO ISS PBL34 END 44.313
HIERARCH ESO ISS PBLA34 START 350.545
HIERARCH ESO ISS PBLA34 END 350.642
HIERARCH ESO ISS AMBI TAU0 START 0.006048
HIERARCH ESO ISS AMBI TAU0 END 0.006002
HIERARCH ESO ISS AMBI TEMP 14.64
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.51