Exposure
ID
PIONI.2025-07-23T02:30:20.827_1
Header ID
PIONI.2025-07-23T02:30:20.827
Date updated
2025-07-23 02:35:36 UTC+0000
Release date
2026-07-23 02:35:36 UTC+0000
UTC Start
2025-07-23 02:30:20.827
UTC End
2025-07-23 02:30:46.427
MJD Start
60879.1044077226
MJD End
60879.1047040189
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004081
Ambient temperature (°C)
13.37
Seeing (arcsec)
1.24
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 90.1540 90.1350 113.6000 113.6000
A0-J2 128.8070 128.8340 92.6000 92.6000
A0-K0 124.5690 124.6420 72.2480 72.2590
G1-J2 55.2070 55.2480 56.6000 56.6000
G1-K0 82.4170 82.4600 25.9290 25.9910
J2-K0 44.8560 44.8450 347.0600 347.1230
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 60879.1044077226
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 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 90.154
HIERARCH ESO ISS PBL12 END 90.135
HIERARCH ESO ISS PBLA12 START 113.6
HIERARCH ESO ISS PBLA12 END 113.6
HIERARCH ESO ISS PBL13 START 128.807
HIERARCH ESO ISS PBL13 END 128.834
HIERARCH ESO ISS PBLA13 START 92.6
HIERARCH ESO ISS PBLA13 END 92.6
HIERARCH ESO ISS PBL14 START 124.569
HIERARCH ESO ISS PBL14 END 124.642
HIERARCH ESO ISS PBLA14 START 72.248
HIERARCH ESO ISS PBLA14 END 72.259
HIERARCH ESO ISS PBL23 START 55.207
HIERARCH ESO ISS PBL23 END 55.248
HIERARCH ESO ISS PBLA23 START 56.6
HIERARCH ESO ISS PBLA23 END 56.6
HIERARCH ESO ISS PBL24 START 82.417
HIERARCH ESO ISS PBL24 END 82.46
HIERARCH ESO ISS PBLA24 START 25.929
HIERARCH ESO ISS PBLA24 END 25.991
HIERARCH ESO ISS PBL34 START 44.856
HIERARCH ESO ISS PBL34 END 44.845
HIERARCH ESO ISS PBLA34 START 347.06
HIERARCH ESO ISS PBLA34 END 347.123
HIERARCH ESO ISS AMBI TAU0 START 0.004081
HIERARCH ESO ISS AMBI TAU0 END 0.004081
HIERARCH ESO ISS AMBI TEMP 13.37
HIERARCH ESO ISS AMBI FWHM START 1.24
HIERARCH ESO ISS AMBI FWHM END 1.24