Exposure
ID
PIONI.2025-05-31T07:20:49.617_1
Header ID
PIONI.2025-05-31T07:20:49.617
Date updated
2025-05-31 07:31:32 UTC+0000
Release date
2026-05-31 07:31:32 UTC+0000
UTC Start
2025-05-31 07:20:49.617
UTC End
2025-05-31 07:21:28.017
MJD Start
60826.3061298267
MJD End
60826.30657427114
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.010245
Ambient temperature (°C)
15.3
Seeing (arcsec)
0.29
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 42.9170 42.8840 155.4000 155.5000
A0-J2 124.3010 124.1760 92.8000 92.8000
A0-J6 164.4770 164.5560 32.4230 32.4670
B5-J2 111.2950 111.2530 72.7000 72.7000
B5-J6 191.2470 191.3310 21.5690 21.6330
J2-J6 149.2200 149.1550 346.0490 346.1510
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 60826.3061298267
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 42.917
HIERARCH ESO ISS PBL12 END 42.884
HIERARCH ESO ISS PBLA12 START 155.4
HIERARCH ESO ISS PBLA12 END 155.5
HIERARCH ESO ISS PBL13 START 124.301
HIERARCH ESO ISS PBL13 END 124.176
HIERARCH ESO ISS PBLA13 START 92.8
HIERARCH ESO ISS PBLA13 END 92.8
HIERARCH ESO ISS PBL14 START 164.477
HIERARCH ESO ISS PBL14 END 164.556
HIERARCH ESO ISS PBLA14 START 32.423
HIERARCH ESO ISS PBLA14 END 32.467
HIERARCH ESO ISS PBL23 START 111.295
HIERARCH ESO ISS PBL23 END 111.253
HIERARCH ESO ISS PBLA23 START 72.7
HIERARCH ESO ISS PBLA23 END 72.7
HIERARCH ESO ISS PBL24 START 191.247
HIERARCH ESO ISS PBL24 END 191.331
HIERARCH ESO ISS PBLA24 START 21.569
HIERARCH ESO ISS PBLA24 END 21.633
HIERARCH ESO ISS PBL34 START 149.22
HIERARCH ESO ISS PBL34 END 149.155
HIERARCH ESO ISS PBLA34 START 346.049
HIERARCH ESO ISS PBLA34 END 346.151
HIERARCH ESO ISS AMBI TAU0 START 0.010245
HIERARCH ESO ISS AMBI TAU0 END 0.010245
HIERARCH ESO ISS AMBI TEMP 15.3
HIERARCH ESO ISS AMBI FWHM START 0.29
HIERARCH ESO ISS AMBI FWHM END 0.29