Exposure
ID
PIONI.2025-06-02T03:29:28.922_1
Header ID
PIONI.2025-06-02T03:29:28.922
Date updated
2025-06-02 03:36:50 UTC+0000
Release date
2026-06-02 03:36:50 UTC+0000
UTC Start
2025-06-02 03:29:28.923
UTC End
2025-06-02 03:30:07.323
MJD Start
60828.1454736441
MJD End
60828.14591808854
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.004375
Ambient temperature (°C)
12.06
Seeing (arcsec)
0.74
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 48.6120 48.6160 143.1000 143.1000
A0-J2 98.9100 99.2000 93.1000 93.1000
A0-J6 139.8520 139.8860 5.7630 5.9010
B5-J2 77.2520 77.5070 64.3000 64.3000
B5-J6 178.6630 178.6360 355.1400 355.2460
J2-J6 167.4720 167.4490 329.6150 329.6300
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 60828.1454736441
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 48.612
HIERARCH ESO ISS PBL12 END 48.616
HIERARCH ESO ISS PBLA12 START 143.1
HIERARCH ESO ISS PBLA12 END 143.1
HIERARCH ESO ISS PBL13 START 98.91
HIERARCH ESO ISS PBL13 END 99.2
HIERARCH ESO ISS PBLA13 START 93.1
HIERARCH ESO ISS PBLA13 END 93.1
HIERARCH ESO ISS PBL14 START 139.852
HIERARCH ESO ISS PBL14 END 139.886
HIERARCH ESO ISS PBLA14 START 5.763
HIERARCH ESO ISS PBLA14 END 5.901
HIERARCH ESO ISS PBL23 START 77.252
HIERARCH ESO ISS PBL23 END 77.507
HIERARCH ESO ISS PBLA23 START 64.3
HIERARCH ESO ISS PBLA23 END 64.3
HIERARCH ESO ISS PBL24 START 178.663
HIERARCH ESO ISS PBL24 END 178.636
HIERARCH ESO ISS PBLA24 START 355.14
HIERARCH ESO ISS PBLA24 END 355.246
HIERARCH ESO ISS PBL34 START 167.472
HIERARCH ESO ISS PBL34 END 167.449
HIERARCH ESO ISS PBLA34 START 329.615
HIERARCH ESO ISS PBLA34 END 329.63
HIERARCH ESO ISS AMBI TAU0 START 0.004375
HIERARCH ESO ISS AMBI TAU0 END 0.004375
HIERARCH ESO ISS AMBI TEMP 12.06
HIERARCH ESO ISS AMBI FWHM START 0.74
HIERARCH ESO ISS AMBI FWHM END 0.74