Exposure
ID
PIONI.2025-05-31T09:33:05.501_1
Header ID
PIONI.2025-05-31T09:33:05.501
Date updated
2025-05-31 09:47:11 UTC+0000
Release date
2026-05-31 09:47:11 UTC+0000
UTC Start
2025-05-31 09:33:05.500
UTC End
2025-05-31 09:33:43.900
MJD Start
60826.3979803268
MJD End
60826.39842477124
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.005830999999999999
Ambient temperature (°C)
15.0
Seeing (arcsec)
0.31
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 39.1180 39.1120 176.6000 176.7000
A0-J2 84.8310 84.4900 94.3000 94.3000
A0-J6 169.1640 169.1360 35.0220 35.0100
B5-J2 88.5490 88.3260 68.3000 68.3000
B5-J6 201.2870 201.3130 28.0840 28.0990
J2-J6 145.3960 145.4220 4.9200 5.0360
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 60826.3979803268
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 39.118
HIERARCH ESO ISS PBL12 END 39.112
HIERARCH ESO ISS PBLA12 START 176.6
HIERARCH ESO ISS PBLA12 END 176.7
HIERARCH ESO ISS PBL13 START 84.831
HIERARCH ESO ISS PBL13 END 84.49
HIERARCH ESO ISS PBLA13 START 94.3
HIERARCH ESO ISS PBLA13 END 94.3
HIERARCH ESO ISS PBL14 START 169.164
HIERARCH ESO ISS PBL14 END 169.136
HIERARCH ESO ISS PBLA14 START 35.022
HIERARCH ESO ISS PBLA14 END 35.01
HIERARCH ESO ISS PBL23 START 88.549
HIERARCH ESO ISS PBL23 END 88.326
HIERARCH ESO ISS PBLA23 START 68.3
HIERARCH ESO ISS PBLA23 END 68.3
HIERARCH ESO ISS PBL24 START 201.287
HIERARCH ESO ISS PBL24 END 201.313
HIERARCH ESO ISS PBLA24 START 28.084
HIERARCH ESO ISS PBLA24 END 28.099
HIERARCH ESO ISS PBL34 START 145.396
HIERARCH ESO ISS PBL34 END 145.422
HIERARCH ESO ISS PBLA34 START 4.92
HIERARCH ESO ISS PBLA34 END 5.036
HIERARCH ESO ISS AMBI TAU0 START 0.005971
HIERARCH ESO ISS AMBI TAU0 END 0.005691
HIERARCH ESO ISS AMBI TEMP 15.0
HIERARCH ESO ISS AMBI FWHM START 0.31
HIERARCH ESO ISS AMBI FWHM END 0.31