Exposure
ID
PIONI.2025-07-22T03:25:51.850_1
Header ID
PIONI.2025-07-22T03:25:51.850
Date updated
2025-07-22 05:35:53 UTC+0000
Release date
2026-07-22 05:35:53 UTC+0000
UTC Start
2025-07-22 03:25:51.851
UTC End
2025-07-22 03:26:30.251
MJD Start
60878.1429612339
MJD End
60878.14340567834
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.006083
Ambient temperature (°C)
14.09
Seeing (arcsec)
0.96
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 86.6130 86.5270 114.7000 114.8000
A0-J2 127.9000 127.8330 92.6000 92.6000
A0-K0 127.9650 127.9710 72.7990 72.8050
G1-J2 57.7140 57.7370 58.3000 58.3000
G1-K0 85.9350 85.9870 30.4610 30.5240
J2-K0 44.0740 44.0650 352.7960 352.8970
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 60878.1429612339
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 86.613
HIERARCH ESO ISS PBL12 END 86.527
HIERARCH ESO ISS PBLA12 START 114.7
HIERARCH ESO ISS PBLA12 END 114.8
HIERARCH ESO ISS PBL13 START 127.9
HIERARCH ESO ISS PBL13 END 127.833
HIERARCH ESO ISS PBLA13 START 92.6
HIERARCH ESO ISS PBLA13 END 92.6
HIERARCH ESO ISS PBL14 START 127.965
HIERARCH ESO ISS PBL14 END 127.971
HIERARCH ESO ISS PBLA14 START 72.799
HIERARCH ESO ISS PBLA14 END 72.805
HIERARCH ESO ISS PBL23 START 57.714
HIERARCH ESO ISS PBL23 END 57.737
HIERARCH ESO ISS PBLA23 START 58.3
HIERARCH ESO ISS PBLA23 END 58.3
HIERARCH ESO ISS PBL24 START 85.935
HIERARCH ESO ISS PBL24 END 85.987
HIERARCH ESO ISS PBLA24 START 30.461
HIERARCH ESO ISS PBLA24 END 30.524
HIERARCH ESO ISS PBL34 START 44.074
HIERARCH ESO ISS PBL34 END 44.065
HIERARCH ESO ISS PBLA34 START 352.796
HIERARCH ESO ISS PBLA34 END 352.897
HIERARCH ESO ISS AMBI TAU0 START 0.006083
HIERARCH ESO ISS AMBI TAU0 END 0.006083
HIERARCH ESO ISS AMBI TEMP 14.09
HIERARCH ESO ISS AMBI FWHM START 0.96
HIERARCH ESO ISS AMBI FWHM END 0.96