Exposure
ID
PIONI.2025-06-02T03:17:31.207_1
Header ID
PIONI.2025-06-02T03:17:31.207
Date updated
2025-06-02 03:25:59 UTC+0000
Release date
2026-06-02 03:25:59 UTC+0000
UTC Start
2025-06-02 03:17:31.207
UTC End
2025-06-02 03:18:09.607
MJD Start
60828.1371667534
MJD End
60828.13761119784
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.005747
Ambient temperature (°C)
12.12
Seeing (arcsec)
0.49
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 48.5220 48.5300 143.2000 143.2000
A0-J2 94.4300 94.7440 93.2000 93.2000
A0-J6 139.4360 139.4590 3.6830 3.8260
B5-J2 73.3700 73.6390 62.8000 62.9000
B5-J6 179.1460 179.1090 353.5630 353.6710
J2-J6 167.7560 167.7410 329.4340 329.4450
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 60828.1371667534
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 48.522
HIERARCH ESO ISS PBL12 END 48.53
HIERARCH ESO ISS PBLA12 START 143.2
HIERARCH ESO ISS PBLA12 END 143.2
HIERARCH ESO ISS PBL13 START 94.43
HIERARCH ESO ISS PBL13 END 94.744
HIERARCH ESO ISS PBLA13 START 93.2
HIERARCH ESO ISS PBLA13 END 93.2
HIERARCH ESO ISS PBL14 START 139.436
HIERARCH ESO ISS PBL14 END 139.459
HIERARCH ESO ISS PBLA14 START 3.683
HIERARCH ESO ISS PBLA14 END 3.826
HIERARCH ESO ISS PBL23 START 73.37
HIERARCH ESO ISS PBL23 END 73.639
HIERARCH ESO ISS PBLA23 START 62.8
HIERARCH ESO ISS PBLA23 END 62.9
HIERARCH ESO ISS PBL24 START 179.146
HIERARCH ESO ISS PBL24 END 179.109
HIERARCH ESO ISS PBLA24 START 353.563
HIERARCH ESO ISS PBLA24 END 353.671
HIERARCH ESO ISS PBL34 START 167.756
HIERARCH ESO ISS PBL34 END 167.741
HIERARCH ESO ISS PBLA34 START 329.434
HIERARCH ESO ISS PBLA34 END 329.445
HIERARCH ESO ISS AMBI TAU0 START 0.005747
HIERARCH ESO ISS AMBI TAU0 END 0.005747
HIERARCH ESO ISS AMBI TEMP 12.12
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.49