Exposure
ID
PIONI.2025-06-17T07:54:53.063_1
Header ID
PIONI.2025-06-17T07:54:53.063
Date updated
2025-06-17 08:00:46 UTC+0000
Release date
2025-06-17 07:54:53 UTC+0000
UTC Start
2025-06-17 07:54:53.063
UTC End
2025-06-17 07:55:18.663
MJD Start
60843.3297808245
MJD End
60843.330077120794
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003132
Ambient temperature (°C)
6.67
Seeing (arcsec)
0.8
Observation
ID
68116
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
50632
Name
eps Sgr
RA
276.041375
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 84.8620 84.8190 140.2000 140.4000
A0-J2 112.5160 112.3930 116.7000 116.8000
A0-K0 106.4310 106.2770 91.4920 91.5790
G1-J2 48.5750 48.5090 72.3000 72.4000
G1-K0 81.3540 81.2990 39.8440 39.8820
J2-K0 48.0680 48.0660 6.9800 7.0450
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 60843.3297808245
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME eps Sgr
RA 276.041375
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 84.862
HIERARCH ESO ISS PBL12 END 84.819
HIERARCH ESO ISS PBLA12 START 140.2
HIERARCH ESO ISS PBLA12 END 140.4
HIERARCH ESO ISS PBL13 START 112.516
HIERARCH ESO ISS PBL13 END 112.393
HIERARCH ESO ISS PBLA13 START 116.7
HIERARCH ESO ISS PBLA13 END 116.8
HIERARCH ESO ISS PBL14 START 106.431
HIERARCH ESO ISS PBL14 END 106.277
HIERARCH ESO ISS PBLA14 START 91.492
HIERARCH ESO ISS PBLA14 END 91.579
HIERARCH ESO ISS PBL23 START 48.575
HIERARCH ESO ISS PBL23 END 48.509
HIERARCH ESO ISS PBLA23 START 72.3
HIERARCH ESO ISS PBLA23 END 72.4
HIERARCH ESO ISS PBL24 START 81.354
HIERARCH ESO ISS PBL24 END 81.299
HIERARCH ESO ISS PBLA24 START 39.844
HIERARCH ESO ISS PBLA24 END 39.882
HIERARCH ESO ISS PBL34 START 48.068
HIERARCH ESO ISS PBL34 END 48.066
HIERARCH ESO ISS PBLA34 START 6.98
HIERARCH ESO ISS PBLA34 END 7.045
HIERARCH ESO ISS AMBI TAU0 START 0.003132
HIERARCH ESO ISS AMBI TAU0 END 0.003132
HIERARCH ESO ISS AMBI TEMP 6.67
HIERARCH ESO ISS AMBI FWHM START 0.8
HIERARCH ESO ISS AMBI FWHM END 0.8