Exposure
ID
PIONI.2025-05-31T06:43:48.834_1
Header ID
PIONI.2025-05-31T06:43:48.834
Date updated
2025-05-31 06:51:49 UTC+0000
Release date
2026-05-31 06:51:49 UTC+0000
UTC Start
2025-05-31 06:43:48.834
UTC End
2025-05-31 06:44:27.234
MJD Start
60826.2804263202
MJD End
60826.28087076464
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.016927
Ambient temperature (°C)
15.25
Seeing (arcsec)
0.34
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 44.4720 44.4390 151.3000 151.4000
A0-J2 128.3750 128.3220 92.6000 92.6000
A0-J6 160.3930 160.4900 29.9940 30.0550
B5-J2 111.8840 111.8990 72.8000 72.8000
B5-J6 187.3800 187.4620 18.2900 18.3670
J2-J6 152.5520 152.4740 341.6360 341.7250
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 60826.2804263202
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 44.472
HIERARCH ESO ISS PBL12 END 44.439
HIERARCH ESO ISS PBLA12 START 151.3
HIERARCH ESO ISS PBLA12 END 151.4
HIERARCH ESO ISS PBL13 START 128.375
HIERARCH ESO ISS PBL13 END 128.322
HIERARCH ESO ISS PBLA13 START 92.6
HIERARCH ESO ISS PBLA13 END 92.6
HIERARCH ESO ISS PBL14 START 160.393
HIERARCH ESO ISS PBL14 END 160.49
HIERARCH ESO ISS PBLA14 START 29.994
HIERARCH ESO ISS PBLA14 END 30.055
HIERARCH ESO ISS PBL23 START 111.884
HIERARCH ESO ISS PBL23 END 111.899
HIERARCH ESO ISS PBLA23 START 72.8
HIERARCH ESO ISS PBLA23 END 72.8
HIERARCH ESO ISS PBL24 START 187.38
HIERARCH ESO ISS PBL24 END 187.462
HIERARCH ESO ISS PBLA24 START 18.29
HIERARCH ESO ISS PBLA24 END 18.367
HIERARCH ESO ISS PBL34 START 152.552
HIERARCH ESO ISS PBL34 END 152.474
HIERARCH ESO ISS PBLA34 START 341.636
HIERARCH ESO ISS PBLA34 END 341.725
HIERARCH ESO ISS AMBI TAU0 START 0.016927
HIERARCH ESO ISS AMBI TAU0 END 0.016927
HIERARCH ESO ISS AMBI TEMP 15.25
HIERARCH ESO ISS AMBI FWHM START 0.34
HIERARCH ESO ISS AMBI FWHM END 0.34