Exposure
ID
PIONI.2025-07-20T04:15:07.343_1
Header ID
PIONI.2025-07-20T04:15:07.343
Date updated
2025-07-20 04:20:48 UTC+0000
Release date
2025-07-20 04:15:07 UTC+0000
UTC Start
2025-07-20 04:15:07.343
UTC End
2025-07-20 04:15:32.943
MJD Start
60876.1771683232
MJD End
60876.1774646195
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002211
Ambient temperature (°C)
13.45
Seeing (arcsec)
1.17
Observation
ID
68808
Category
calibrator
Program ID
115.27VC.001
Program Title
UNVEILING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: IMAGING THE RED SUPERGIANT VX SAGITARII WITH VLTI AND ALMA
Program Type
Normal
PI / COI
JADLOVSKY / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / KRTICKA / PALADINI / HÖFNER / FREYTAG / HUMPHREYS
Target
ID
51193
Name
eps Sgr
RA
276.041374
DEC
-34.38532
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 89.9190 89.9000 124.4000 124.5000
A0-J2 126.4650 126.4090 101.5000 101.6000
A0-K0 123.4990 123.4270 79.3260 79.4050
G1-J2 55.9000 55.8680 62.8000 62.9000
G1-K0 87.4420 87.4150 32.6290 32.6860
J2-K0 48.1490 48.1500 356.9470 357.0140
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VC.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60876.1771683232
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME eps Sgr
RA 276.041374
DEC -34.38532
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 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 89.919
HIERARCH ESO ISS PBL12 END 89.9
HIERARCH ESO ISS PBLA12 START 124.4
HIERARCH ESO ISS PBLA12 END 124.5
HIERARCH ESO ISS PBL13 START 126.465
HIERARCH ESO ISS PBL13 END 126.409
HIERARCH ESO ISS PBLA13 START 101.5
HIERARCH ESO ISS PBLA13 END 101.6
HIERARCH ESO ISS PBL14 START 123.499
HIERARCH ESO ISS PBL14 END 123.427
HIERARCH ESO ISS PBLA14 START 79.326
HIERARCH ESO ISS PBLA14 END 79.405
HIERARCH ESO ISS PBL23 START 55.9
HIERARCH ESO ISS PBL23 END 55.868
HIERARCH ESO ISS PBLA23 START 62.8
HIERARCH ESO ISS PBLA23 END 62.9
HIERARCH ESO ISS PBL24 START 87.442
HIERARCH ESO ISS PBL24 END 87.415
HIERARCH ESO ISS PBLA24 START 32.629
HIERARCH ESO ISS PBLA24 END 32.686
HIERARCH ESO ISS PBL34 START 48.149
HIERARCH ESO ISS PBL34 END 48.15
HIERARCH ESO ISS PBLA34 START 356.947
HIERARCH ESO ISS PBLA34 END 357.014
HIERARCH ESO ISS AMBI TAU0 START 0.002211
HIERARCH ESO ISS AMBI TAU0 END 0.002211
HIERARCH ESO ISS AMBI TEMP 13.45
HIERARCH ESO ISS AMBI FWHM START 1.17
HIERARCH ESO ISS AMBI FWHM END 1.17