Exposure
ID
PIONI.2025-06-01T03:54:07.902_1
Header ID
PIONI.2025-06-01T03:54:07.902
Date updated
2025-06-01 04:01:55 UTC+0000
Release date
2026-06-01 04:01:55 UTC+0000
UTC Start
2025-06-01 03:54:07.902
UTC End
2025-06-01 03:54:46.302
MJD Start
60827.1625914602
MJD End
60827.16303590464
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.009093500000000001
Ambient temperature (°C)
13.75
Seeing (arcsec)
0.385
Observation
ID
67682
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
50335
Name
V FG Ser
RA
273.77906
DEC
-0.31454
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 48.6540 48.6530 143.1000 143.1000
A0-J2 106.0200 106.2830 92.9000 92.9000
A0-J6 140.9830 141.0380 9.2890 9.4240
B5-J2 83.6590 83.9020 66.4000 66.5000
B5-J6 178.1440 178.1320 357.9170 358.0260
J2-J6 166.7100 166.6730 330.0950 330.1170
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 60827.1625914602
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V FG Ser
RA 273.77906
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
HIERARCH ESO DET DIT 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 48.654
HIERARCH ESO ISS PBL12 END 48.653
HIERARCH ESO ISS PBLA12 START 143.1
HIERARCH ESO ISS PBLA12 END 143.1
HIERARCH ESO ISS PBL13 START 106.02
HIERARCH ESO ISS PBL13 END 106.283
HIERARCH ESO ISS PBLA13 START 92.9
HIERARCH ESO ISS PBLA13 END 92.9
HIERARCH ESO ISS PBL14 START 140.983
HIERARCH ESO ISS PBL14 END 141.038
HIERARCH ESO ISS PBLA14 START 9.289
HIERARCH ESO ISS PBLA14 END 9.424
HIERARCH ESO ISS PBL23 START 83.659
HIERARCH ESO ISS PBL23 END 83.902
HIERARCH ESO ISS PBLA23 START 66.4
HIERARCH ESO ISS PBLA23 END 66.5
HIERARCH ESO ISS PBL24 START 178.144
HIERARCH ESO ISS PBL24 END 178.132
HIERARCH ESO ISS PBLA24 START 357.917
HIERARCH ESO ISS PBLA24 END 358.026
HIERARCH ESO ISS PBL34 START 166.71
HIERARCH ESO ISS PBL34 END 166.673
HIERARCH ESO ISS PBLA34 START 330.095
HIERARCH ESO ISS PBLA34 END 330.117
HIERARCH ESO ISS AMBI TAU0 START 0.00883
HIERARCH ESO ISS AMBI TAU0 END 0.009357
HIERARCH ESO ISS AMBI TEMP 13.75
HIERARCH ESO ISS AMBI FWHM START 0.39
HIERARCH ESO ISS AMBI FWHM END 0.38