Exposure
ID
PIONI.2025-05-31T07:19:59.341_1
Header ID
PIONI.2025-05-31T07:19:59.341
Date updated
2025-05-31 07:26:50 UTC+0000
Release date
2026-05-31 07:26:49 UTC+0000
UTC Start
2025-05-31 07:19:59.341
UTC End
2025-05-31 07:20:37.741
MJD Start
60826.3055479289
MJD End
60826.305992373345
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0095525
Ambient temperature (°C)
15.27
Seeing (arcsec)
0.305
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 42.9530 42.9180 155.3000 155.4000
A0-J2 124.4310 124.3060 92.8000 92.8000
A0-J6 164.3940 164.4740 32.3760 32.4210
B5-J2 111.3390 111.2970 72.7000 72.7000
B5-J6 191.1590 191.2440 21.5010 21.5660
J2-J6 149.2900 149.2230 345.9410 346.0450
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 60826.3055479289
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 42.953
HIERARCH ESO ISS PBL12 END 42.918
HIERARCH ESO ISS PBLA12 START 155.3
HIERARCH ESO ISS PBLA12 END 155.4
HIERARCH ESO ISS PBL13 START 124.431
HIERARCH ESO ISS PBL13 END 124.306
HIERARCH ESO ISS PBLA13 START 92.8
HIERARCH ESO ISS PBLA13 END 92.8
HIERARCH ESO ISS PBL14 START 164.394
HIERARCH ESO ISS PBL14 END 164.474
HIERARCH ESO ISS PBLA14 START 32.376
HIERARCH ESO ISS PBLA14 END 32.421
HIERARCH ESO ISS PBL23 START 111.339
HIERARCH ESO ISS PBL23 END 111.297
HIERARCH ESO ISS PBLA23 START 72.7
HIERARCH ESO ISS PBLA23 END 72.7
HIERARCH ESO ISS PBL24 START 191.159
HIERARCH ESO ISS PBL24 END 191.244
HIERARCH ESO ISS PBLA24 START 21.501
HIERARCH ESO ISS PBLA24 END 21.566
HIERARCH ESO ISS PBL34 START 149.29
HIERARCH ESO ISS PBL34 END 149.223
HIERARCH ESO ISS PBLA34 START 345.941
HIERARCH ESO ISS PBLA34 END 346.045
HIERARCH ESO ISS AMBI TAU0 START 0.00886
HIERARCH ESO ISS AMBI TAU0 END 0.010245
HIERARCH ESO ISS AMBI TEMP 15.27
HIERARCH ESO ISS AMBI FWHM START 0.32
HIERARCH ESO ISS AMBI FWHM END 0.29