Exposure
ID
PIONI.2025-06-02T03:30:19.395_1
Header ID
PIONI.2025-06-02T03:30:19.395
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 03:30:19.395
UTC End
2025-06-02 03:30:57.795
MJD Start
60828.1460578078
MJD End
60828.14650225224
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.004758
Ambient temperature (°C)
12.03
Seeing (arcsec)
0.675
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 48.6160 48.6210 143.1000 143.1000
A0-J2 99.2120 99.5070 93.1000 93.1000
A0-J6 139.8870 139.9230 5.9070 6.0490
B5-J2 77.5180 77.7780 64.4000 64.4000
B5-J6 178.6350 178.6070 355.2510 355.3610
J2-J6 167.4480 167.4240 329.6300 329.6470
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 60828.1460578078
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 48.616
HIERARCH ESO ISS PBL12 END 48.621
HIERARCH ESO ISS PBLA12 START 143.1
HIERARCH ESO ISS PBLA12 END 143.1
HIERARCH ESO ISS PBL13 START 99.212
HIERARCH ESO ISS PBL13 END 99.507
HIERARCH ESO ISS PBLA13 START 93.1
HIERARCH ESO ISS PBLA13 END 93.1
HIERARCH ESO ISS PBL14 START 139.887
HIERARCH ESO ISS PBL14 END 139.923
HIERARCH ESO ISS PBLA14 START 5.907
HIERARCH ESO ISS PBLA14 END 6.049
HIERARCH ESO ISS PBL23 START 77.518
HIERARCH ESO ISS PBL23 END 77.778
HIERARCH ESO ISS PBLA23 START 64.4
HIERARCH ESO ISS PBLA23 END 64.4
HIERARCH ESO ISS PBL24 START 178.635
HIERARCH ESO ISS PBL24 END 178.607
HIERARCH ESO ISS PBLA24 START 355.251
HIERARCH ESO ISS PBLA24 END 355.361
HIERARCH ESO ISS PBL34 START 167.448
HIERARCH ESO ISS PBL34 END 167.424
HIERARCH ESO ISS PBLA34 START 329.63
HIERARCH ESO ISS PBLA34 END 329.647
HIERARCH ESO ISS AMBI TAU0 START 0.004375
HIERARCH ESO ISS AMBI TAU0 END 0.005141
HIERARCH ESO ISS AMBI TEMP 12.03
HIERARCH ESO ISS AMBI FWHM START 0.74
HIERARCH ESO ISS AMBI FWHM END 0.61