Exposure
ID
PIONI.2025-07-23T03:21:13.065_1
Header ID
PIONI.2025-07-23T03:21:13.065
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 03:21:13.065
UTC End
2025-07-23 03:21:51.465
MJD Start
60879.1397345453
MJD End
60879.14017898974
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0051675
Ambient temperature (°C)
14.09
Seeing (arcsec)
0.845
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 86.6880 86.6030 114.7000 114.7000
A0-J2 127.9570 127.8920 92.6000 92.6000
A0-K0 127.9580 127.9660 72.8020 72.8000
G1-J2 57.6930 57.7170 58.3000 58.3000
G1-K0 85.8900 85.9410 30.4130 30.4690
J2-K0 44.0820 44.0730 352.7170 352.8090
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 60879.1397345453
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 86.688
HIERARCH ESO ISS PBL12 END 86.603
HIERARCH ESO ISS PBLA12 START 114.7
HIERARCH ESO ISS PBLA12 END 114.7
HIERARCH ESO ISS PBL13 START 127.957
HIERARCH ESO ISS PBL13 END 127.892
HIERARCH ESO ISS PBLA13 START 92.6
HIERARCH ESO ISS PBLA13 END 92.6
HIERARCH ESO ISS PBL14 START 127.958
HIERARCH ESO ISS PBL14 END 127.966
HIERARCH ESO ISS PBLA14 START 72.802
HIERARCH ESO ISS PBLA14 END 72.8
HIERARCH ESO ISS PBL23 START 57.693
HIERARCH ESO ISS PBL23 END 57.717
HIERARCH ESO ISS PBLA23 START 58.3
HIERARCH ESO ISS PBLA23 END 58.3
HIERARCH ESO ISS PBL24 START 85.89
HIERARCH ESO ISS PBL24 END 85.941
HIERARCH ESO ISS PBLA24 START 30.413
HIERARCH ESO ISS PBLA24 END 30.469
HIERARCH ESO ISS PBL34 START 44.082
HIERARCH ESO ISS PBL34 END 44.073
HIERARCH ESO ISS PBLA34 START 352.717
HIERARCH ESO ISS PBLA34 END 352.809
HIERARCH ESO ISS AMBI TAU0 START 0.005731
HIERARCH ESO ISS AMBI TAU0 END 0.004604
HIERARCH ESO ISS AMBI TEMP 14.09
HIERARCH ESO ISS AMBI FWHM START 0.88
HIERARCH ESO ISS AMBI FWHM END 0.81