Exposure
ID
PIONI.2025-07-22T03:10:20.282_1
Header ID
PIONI.2025-07-22T03:10:20.282
Date updated
2025-07-22 03:20:48 UTC+0000
Release date
2026-07-22 03:20:48 UTC+0000
UTC Start
2025-07-22 03:10:20.282
UTC End
2025-07-22 03:10:58.682
MJD Start
60878.1321791862
MJD End
60878.13262363064
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0069415
Ambient temperature (°C)
14.26
Seeing (arcsec)
0.79
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 88.0690 88.0020 114.3000 114.3000
A0-J2 128.8620 128.8260 92.6000 92.6000
A0-K0 127.5620 127.5960 72.7260 72.7320
G1-J2 57.1730 57.2050 57.9000 57.9000
G1-K0 84.9290 84.9820 29.2680 29.3330
J2-K0 44.2690 44.2580 351.0020 351.0930
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 60878.1321791862
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 88.069
HIERARCH ESO ISS PBL12 END 88.002
HIERARCH ESO ISS PBLA12 START 114.3
HIERARCH ESO ISS PBLA12 END 114.3
HIERARCH ESO ISS PBL13 START 128.862
HIERARCH ESO ISS PBL13 END 128.826
HIERARCH ESO ISS PBLA13 START 92.6
HIERARCH ESO ISS PBLA13 END 92.6
HIERARCH ESO ISS PBL14 START 127.562
HIERARCH ESO ISS PBL14 END 127.596
HIERARCH ESO ISS PBLA14 START 72.726
HIERARCH ESO ISS PBLA14 END 72.732
HIERARCH ESO ISS PBL23 START 57.173
HIERARCH ESO ISS PBL23 END 57.205
HIERARCH ESO ISS PBLA23 START 57.9
HIERARCH ESO ISS PBLA23 END 57.9
HIERARCH ESO ISS PBL24 START 84.929
HIERARCH ESO ISS PBL24 END 84.982
HIERARCH ESO ISS PBLA24 START 29.268
HIERARCH ESO ISS PBLA24 END 29.333
HIERARCH ESO ISS PBL34 START 44.269
HIERARCH ESO ISS PBL34 END 44.258
HIERARCH ESO ISS PBLA34 START 351.002
HIERARCH ESO ISS PBLA34 END 351.093
HIERARCH ESO ISS AMBI TAU0 START 0.00606
HIERARCH ESO ISS AMBI TAU0 END 0.007823
HIERARCH ESO ISS AMBI TEMP 14.26
HIERARCH ESO ISS AMBI FWHM START 0.82
HIERARCH ESO ISS AMBI FWHM END 0.76