Exposure
ID
PIONI.2025-07-23T03:04:56.799_1
Header ID
PIONI.2025-07-23T03:04:56.799
Date updated
2025-07-23 03:10:47 UTC+0000
Release date
2026-07-23 03:10:47 UTC+0000
UTC Start
2025-07-23 03:04:56.799
UTC End
2025-07-23 03:05:35.199
MJD Start
60879.1284351735
MJD End
60879.12887961794
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.005456000000000001
Ambient temperature (°C)
14.8
Seeing (arcsec)
0.55
Observation
ID
68885
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
51249
Name
V FG Ser
RA
273.778505
DEC
-0.31454
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 88.1900 88.1230 114.2000 114.3000
A0-J2 128.9220 128.8890 92.6000 92.6000
A0-K0 127.4960 127.5340 72.7150 72.7170
G1-J2 57.1120 57.1460 57.9000 57.9000
G1-K0 84.8300 84.8850 29.1480 29.2110
J2-K0 44.2890 44.2780 350.8350 350.9240
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 60879.1284351735
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V FG Ser
RA 273.778505
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
HIERARCH ESO DET DIT 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 88.19
HIERARCH ESO ISS PBL12 END 88.123
HIERARCH ESO ISS PBLA12 START 114.2
HIERARCH ESO ISS PBLA12 END 114.3
HIERARCH ESO ISS PBL13 START 128.922
HIERARCH ESO ISS PBL13 END 128.889
HIERARCH ESO ISS PBLA13 START 92.6
HIERARCH ESO ISS PBLA13 END 92.6
HIERARCH ESO ISS PBL14 START 127.496
HIERARCH ESO ISS PBL14 END 127.534
HIERARCH ESO ISS PBLA14 START 72.715
HIERARCH ESO ISS PBLA14 END 72.717
HIERARCH ESO ISS PBL23 START 57.112
HIERARCH ESO ISS PBL23 END 57.146
HIERARCH ESO ISS PBLA23 START 57.9
HIERARCH ESO ISS PBLA23 END 57.9
HIERARCH ESO ISS PBL24 START 84.83
HIERARCH ESO ISS PBL24 END 84.885
HIERARCH ESO ISS PBLA24 START 29.148
HIERARCH ESO ISS PBLA24 END 29.211
HIERARCH ESO ISS PBL34 START 44.289
HIERARCH ESO ISS PBL34 END 44.278
HIERARCH ESO ISS PBLA34 START 350.835
HIERARCH ESO ISS PBLA34 END 350.924
HIERARCH ESO ISS AMBI TAU0 START 0.004937
HIERARCH ESO ISS AMBI TAU0 END 0.005975
HIERARCH ESO ISS AMBI TEMP 14.8
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.55