Exposure
ID
PIONI.2025-06-01T03:29:53.777_1
Header ID
PIONI.2025-06-01T03:29:53.777
Date updated
2025-06-01 03:35:57 UTC+0000
Release date
2026-06-01 03:35:57 UTC+0000
UTC Start
2025-06-01 03:29:53.777
UTC End
2025-06-01 03:30:32.177
MJD Start
60827.1457613055
MJD End
60827.146205749945
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.009876
Ambient temperature (°C)
14.0
Seeing (arcsec)
0.275
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 48.5910 48.5960 143.1000 143.1000
A0-J2 97.6200 97.9210 93.1000 93.1000
A0-J6 139.7110 139.7420 5.1550 5.2960
B5-J2 76.1220 76.3850 63.8000 63.9000
B5-J6 178.7920 178.7610 354.6750 354.7820
J2-J6 167.5680 167.5460 329.5560 329.5680
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 60827.1457613055
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 48.591
HIERARCH ESO ISS PBL12 END 48.596
HIERARCH ESO ISS PBLA12 START 143.1
HIERARCH ESO ISS PBLA12 END 143.1
HIERARCH ESO ISS PBL13 START 97.62
HIERARCH ESO ISS PBL13 END 97.921
HIERARCH ESO ISS PBLA13 START 93.1
HIERARCH ESO ISS PBLA13 END 93.1
HIERARCH ESO ISS PBL14 START 139.711
HIERARCH ESO ISS PBL14 END 139.742
HIERARCH ESO ISS PBLA14 START 5.155
HIERARCH ESO ISS PBLA14 END 5.296
HIERARCH ESO ISS PBL23 START 76.122
HIERARCH ESO ISS PBL23 END 76.385
HIERARCH ESO ISS PBLA23 START 63.8
HIERARCH ESO ISS PBLA23 END 63.9
HIERARCH ESO ISS PBL24 START 178.792
HIERARCH ESO ISS PBL24 END 178.761
HIERARCH ESO ISS PBLA24 START 354.675
HIERARCH ESO ISS PBLA24 END 354.782
HIERARCH ESO ISS PBL34 START 167.568
HIERARCH ESO ISS PBL34 END 167.546
HIERARCH ESO ISS PBLA34 START 329.556
HIERARCH ESO ISS PBLA34 END 329.568
HIERARCH ESO ISS AMBI TAU0 START 0.010798
HIERARCH ESO ISS AMBI TAU0 END 0.008954
HIERARCH ESO ISS AMBI TEMP 14.0
HIERARCH ESO ISS AMBI FWHM START 0.27
HIERARCH ESO ISS AMBI FWHM END 0.28