Exposure
ID
PIONI.2025-05-31T08:46:49.012_1
Header ID
PIONI.2025-05-31T08:46:49.012
Date updated
2025-05-31 08:51:31 UTC+0000
Release date
2026-05-31 08:51:31 UTC+0000
UTC Start
2025-05-31 08:46:49.013
UTC End
2025-05-31 08:47:27.413
MJD Start
60826.3658450521
MJD End
60826.366289496546
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0086155
Ambient temperature (°C)
15.07
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 39.8810 39.8600 168.2000 168.4000
A0-J2 102.6640 102.3830 93.5000 93.5000
A0-J6 169.5720 169.5850 35.1540 35.1620
B5-J2 99.8940 99.7230 70.8000 70.8000
B5-J6 198.9580 199.0130 26.7350 26.7670
J2-J6 144.9440 144.9340 358.0810 358.2020
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 60826.3658450521
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 39.881
HIERARCH ESO ISS PBL12 END 39.86
HIERARCH ESO ISS PBLA12 START 168.2
HIERARCH ESO ISS PBLA12 END 168.4
HIERARCH ESO ISS PBL13 START 102.664
HIERARCH ESO ISS PBL13 END 102.383
HIERARCH ESO ISS PBLA13 START 93.5
HIERARCH ESO ISS PBLA13 END 93.5
HIERARCH ESO ISS PBL14 START 169.572
HIERARCH ESO ISS PBL14 END 169.585
HIERARCH ESO ISS PBLA14 START 35.154
HIERARCH ESO ISS PBLA14 END 35.162
HIERARCH ESO ISS PBL23 START 99.894
HIERARCH ESO ISS PBL23 END 99.723
HIERARCH ESO ISS PBLA23 START 70.8
HIERARCH ESO ISS PBLA23 END 70.8
HIERARCH ESO ISS PBL24 START 198.958
HIERARCH ESO ISS PBL24 END 199.013
HIERARCH ESO ISS PBLA24 START 26.735
HIERARCH ESO ISS PBLA24 END 26.767
HIERARCH ESO ISS PBL34 START 144.944
HIERARCH ESO ISS PBL34 END 144.934
HIERARCH ESO ISS PBLA34 START 358.081
HIERARCH ESO ISS PBLA34 END 358.202
HIERARCH ESO ISS AMBI TAU0 START 0.009072
HIERARCH ESO ISS AMBI TAU0 END 0.008159
HIERARCH ESO ISS AMBI TEMP 15.07
HIERARCH ESO ISS AMBI FWHM START 0.44
HIERARCH ESO ISS AMBI FWHM END 0.33