Exposure
ID
PIONI.2025-06-02T03:32:50.734_1
Header ID
PIONI.2025-06-02T03:32:50.734
Date updated
2025-06-02 03:40:56 UTC+0000
Release date
2026-06-02 03:40:56 UTC+0000
UTC Start
2025-06-02 03:32:50.734
UTC End
2025-06-02 03:33:29.134
MJD Start
60828.147809424
MJD End
60828.14825386844
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.005033
Ambient temperature (°C)
11.99
Seeing (arcsec)
0.68
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 48.6290 48.6320 143.1000 143.1000
A0-J2 100.1220 100.4070 93.1000 93.1000
A0-J6 140.0010 140.0380 6.3440 6.4810
B5-J2 78.3220 78.5750 64.6000 64.7000
B5-J6 178.5510 178.5260 355.5880 355.6950
J2-J6 167.3710 167.3460 329.6790 329.6950
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 60828.147809424
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 48.629
HIERARCH ESO ISS PBL12 END 48.632
HIERARCH ESO ISS PBLA12 START 143.1
HIERARCH ESO ISS PBLA12 END 143.1
HIERARCH ESO ISS PBL13 START 100.122
HIERARCH ESO ISS PBL13 END 100.407
HIERARCH ESO ISS PBLA13 START 93.1
HIERARCH ESO ISS PBLA13 END 93.1
HIERARCH ESO ISS PBL14 START 140.001
HIERARCH ESO ISS PBL14 END 140.038
HIERARCH ESO ISS PBLA14 START 6.344
HIERARCH ESO ISS PBLA14 END 6.481
HIERARCH ESO ISS PBL23 START 78.322
HIERARCH ESO ISS PBL23 END 78.575
HIERARCH ESO ISS PBLA23 START 64.6
HIERARCH ESO ISS PBLA23 END 64.7
HIERARCH ESO ISS PBL24 START 178.551
HIERARCH ESO ISS PBL24 END 178.526
HIERARCH ESO ISS PBLA24 START 355.588
HIERARCH ESO ISS PBLA24 END 355.695
HIERARCH ESO ISS PBL34 START 167.371
HIERARCH ESO ISS PBL34 END 167.346
HIERARCH ESO ISS PBLA34 START 329.679
HIERARCH ESO ISS PBLA34 END 329.695
HIERARCH ESO ISS AMBI TAU0 START 0.005033
HIERARCH ESO ISS AMBI TAU0 END 0.005033
HIERARCH ESO ISS AMBI TEMP 11.99
HIERARCH ESO ISS AMBI FWHM START 0.68
HIERARCH ESO ISS AMBI FWHM END 0.68