Exposure
ID
PIONI.2025-07-22T03:27:32.753_1
Header ID
PIONI.2025-07-22T03:27:32.753
Date updated
2025-07-22 06:05:30 UTC+0000
Release date
2026-07-22 06:05:29 UTC+0000
UTC Start
2025-07-22 03:27:32.753
UTC End
2025-07-22 03:28:11.153
MJD Start
60878.1441290826
MJD End
60878.14457352704
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0059524999999999995
Ambient temperature (°C)
14.07
Seeing (arcsec)
0.935
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 86.4350 86.3500 114.8000 114.8000
A0-J2 127.7600 127.6910 92.6000 92.6000
A0-K0 127.9760 127.9790 72.8070 72.8080
G1-J2 57.7610 57.7830 58.3000 58.3000
G1-K0 86.0410 86.0900 30.5860 30.6430
J2-K0 44.0550 44.0460 352.9990 353.0930
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 60878.1441290826
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 86.435
HIERARCH ESO ISS PBL12 END 86.35
HIERARCH ESO ISS PBLA12 START 114.8
HIERARCH ESO ISS PBLA12 END 114.8
HIERARCH ESO ISS PBL13 START 127.76
HIERARCH ESO ISS PBL13 END 127.691
HIERARCH ESO ISS PBLA13 START 92.6
HIERARCH ESO ISS PBLA13 END 92.6
HIERARCH ESO ISS PBL14 START 127.976
HIERARCH ESO ISS PBL14 END 127.979
HIERARCH ESO ISS PBLA14 START 72.807
HIERARCH ESO ISS PBLA14 END 72.808
HIERARCH ESO ISS PBL23 START 57.761
HIERARCH ESO ISS PBL23 END 57.783
HIERARCH ESO ISS PBLA23 START 58.3
HIERARCH ESO ISS PBLA23 END 58.3
HIERARCH ESO ISS PBL24 START 86.041
HIERARCH ESO ISS PBL24 END 86.09
HIERARCH ESO ISS PBLA24 START 30.586
HIERARCH ESO ISS PBLA24 END 30.643
HIERARCH ESO ISS PBL34 START 44.055
HIERARCH ESO ISS PBL34 END 44.046
HIERARCH ESO ISS PBLA34 START 352.999
HIERARCH ESO ISS PBLA34 END 353.093
HIERARCH ESO ISS AMBI TAU0 START 0.006083
HIERARCH ESO ISS AMBI TAU0 END 0.005822
HIERARCH ESO ISS AMBI TEMP 14.07
HIERARCH ESO ISS AMBI FWHM START 0.97
HIERARCH ESO ISS AMBI FWHM END 0.9