Exposure
ID
PIONI.2025-08-15T04:36:56.600_1
Header ID
PIONI.2025-08-15T04:36:56.600
Date updated
2025-08-15 04:40:57 UTC+0000
Release date
2025-08-15 04:36:56 UTC+0000
UTC Start
2025-08-15 04:36:56.600
UTC End
2025-08-15 04:37:22.200
MJD Start
60902.1923217569
MJD End
60902.192618053195
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.001574
Ambient temperature (°C)
9.96
Seeing (arcsec)
2.01
Observation
ID
70016
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
51947
Name
eps Sgr
RA
276.04272
DEC
-34.38532
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 55.2920 55.2180 302.3000 302.4000
K0-D0 72.7100 72.5750 276.7000 276.8000
K0-J3 56.5440 56.5430 357.2730 357.3620
G2-D0 33.0760 33.0380 230.4000 230.4000
G2-J3 51.6170 51.5450 58.5650 58.6010
D0-J3 84.4880 84.3790 55.3800 55.4140
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 60902.1923217569
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME eps Sgr
RA 276.04272
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 55.292
HIERARCH ESO ISS PBL12 END 55.218
HIERARCH ESO ISS PBLA12 START 302.3
HIERARCH ESO ISS PBLA12 END 302.4
HIERARCH ESO ISS PBL13 START 72.71
HIERARCH ESO ISS PBL13 END 72.575
HIERARCH ESO ISS PBLA13 START 276.7
HIERARCH ESO ISS PBLA13 END 276.8
HIERARCH ESO ISS PBL14 START 56.544
HIERARCH ESO ISS PBL14 END 56.543
HIERARCH ESO ISS PBLA14 START 357.273
HIERARCH ESO ISS PBLA14 END 357.362
HIERARCH ESO ISS PBL23 START 33.076
HIERARCH ESO ISS PBL23 END 33.038
HIERARCH ESO ISS PBLA23 START 230.4
HIERARCH ESO ISS PBLA23 END 230.4
HIERARCH ESO ISS PBL24 START 51.617
HIERARCH ESO ISS PBL24 END 51.545
HIERARCH ESO ISS PBLA24 START 58.565
HIERARCH ESO ISS PBLA24 END 58.601
HIERARCH ESO ISS PBL34 START 84.488
HIERARCH ESO ISS PBL34 END 84.379
HIERARCH ESO ISS PBLA34 START 55.38
HIERARCH ESO ISS PBLA34 END 55.414
HIERARCH ESO ISS AMBI TAU0 START 0.001574
HIERARCH ESO ISS AMBI TAU0 END 0.001574
HIERARCH ESO ISS AMBI TEMP 9.96
HIERARCH ESO ISS AMBI FWHM START 2.01
HIERARCH ESO ISS AMBI FWHM END 2.01