Exposure
ID
PIONI.2025-07-22T03:09:29.701_1
Header ID
PIONI.2025-07-22T03:09:29.701
Date updated
2025-07-22 03:15:50 UTC+0000
Release date
2026-07-22 03:15:50 UTC+0000
UTC Start
2025-07-22 03:09:29.701
UTC End
2025-07-22 03:10:08.101
MJD Start
60878.1315937643
MJD End
60878.13203820874
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0063615
Ambient temperature (°C)
14.26
Seeing (arcsec)
0.825
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 88.1390 88.0720 114.2000 114.3000
A0-J2 128.8970 128.8630 92.6000 92.6000
A0-K0 127.5250 127.5610 72.7150 72.7260
G1-J2 57.1380 57.1710 57.9000 57.9000
G1-K0 84.8720 84.9260 29.1940 29.2650
J2-K0 44.2810 44.2690 350.9000 350.9980
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 60878.1315937643
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 88.139
HIERARCH ESO ISS PBL12 END 88.072
HIERARCH ESO ISS PBLA12 START 114.2
HIERARCH ESO ISS PBLA12 END 114.3
HIERARCH ESO ISS PBL13 START 128.897
HIERARCH ESO ISS PBL13 END 128.863
HIERARCH ESO ISS PBLA13 START 92.6
HIERARCH ESO ISS PBLA13 END 92.6
HIERARCH ESO ISS PBL14 START 127.525
HIERARCH ESO ISS PBL14 END 127.561
HIERARCH ESO ISS PBLA14 START 72.715
HIERARCH ESO ISS PBLA14 END 72.726
HIERARCH ESO ISS PBL23 START 57.138
HIERARCH ESO ISS PBL23 END 57.171
HIERARCH ESO ISS PBLA23 START 57.9
HIERARCH ESO ISS PBLA23 END 57.9
HIERARCH ESO ISS PBL24 START 84.872
HIERARCH ESO ISS PBL24 END 84.926
HIERARCH ESO ISS PBLA24 START 29.194
HIERARCH ESO ISS PBLA24 END 29.265
HIERARCH ESO ISS PBL34 START 44.281
HIERARCH ESO ISS PBL34 END 44.269
HIERARCH ESO ISS PBLA34 START 350.9
HIERARCH ESO ISS PBLA34 END 350.998
HIERARCH ESO ISS AMBI TAU0 START 0.006663
HIERARCH ESO ISS AMBI TAU0 END 0.00606
HIERARCH ESO ISS AMBI TEMP 14.26
HIERARCH ESO ISS AMBI FWHM START 0.83
HIERARCH ESO ISS AMBI FWHM END 0.82