Exposure
ID
PIONI.2025-07-17T01:21:30.270_1
Header ID
PIONI.2025-07-17T01:21:30.270
Date updated
2025-07-17 01:30:53 UTC+0000
Release date
2025-07-17 01:21:30 UTC+0000
UTC Start
2025-07-17 01:21:30.271
UTC End
2025-07-17 01:21:55.871
MJD Start
60873.0566003541
MJD End
60873.0568966504
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.005885
Ambient temperature (°C)
12.59
Seeing (arcsec)
0.81
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 79.2860 79.3790 100.1000 100.1000
A0-J2 116.0620 116.1800 74.1000 74.2000
A0-K0 120.5930 120.6650 51.4500 51.5630
G1-J2 56.7140 56.7310 36.2000 36.4000
G1-K0 90.4800 90.4800 10.3460 10.4300
J2-K0 46.5940 46.6050 338.2290 338.2800
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 60873.0566003541
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 79.286
HIERARCH ESO ISS PBL12 END 79.379
HIERARCH ESO ISS PBLA12 START 100.1
HIERARCH ESO ISS PBLA12 END 100.1
HIERARCH ESO ISS PBL13 START 116.062
HIERARCH ESO ISS PBL13 END 116.18
HIERARCH ESO ISS PBLA13 START 74.1
HIERARCH ESO ISS PBLA13 END 74.2
HIERARCH ESO ISS PBL14 START 120.593
HIERARCH ESO ISS PBL14 END 120.665
HIERARCH ESO ISS PBLA14 START 51.45
HIERARCH ESO ISS PBLA14 END 51.563
HIERARCH ESO ISS PBL23 START 56.714
HIERARCH ESO ISS PBL23 END 56.731
HIERARCH ESO ISS PBLA23 START 36.2
HIERARCH ESO ISS PBLA23 END 36.4
HIERARCH ESO ISS PBL24 START 90.48
HIERARCH ESO ISS PBL24 END 90.48
HIERARCH ESO ISS PBLA24 START 10.346
HIERARCH ESO ISS PBLA24 END 10.43
HIERARCH ESO ISS PBL34 START 46.594
HIERARCH ESO ISS PBL34 END 46.605
HIERARCH ESO ISS PBLA34 START 338.229
HIERARCH ESO ISS PBLA34 END 338.28
HIERARCH ESO ISS AMBI TAU0 START 0.005109
HIERARCH ESO ISS AMBI TAU0 END 0.006661
HIERARCH ESO ISS AMBI TEMP 12.59
HIERARCH ESO ISS AMBI FWHM START 0.89
HIERARCH ESO ISS AMBI FWHM END 0.73