Exposure
ID
PIONI.2025-06-17T08:28:40.430_1
Header ID
PIONI.2025-06-17T08:28:40.430
Date updated
2025-06-17 08:36:34 UTC+0000
Release date
2025-06-17 08:28:40 UTC+0000
UTC Start
2025-06-17 08:28:40.430
UTC End
2025-06-17 08:29:06.030
MJD Start
60843.3532457184
MJD End
60843.353542014695
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003334
Ambient temperature (°C)
6.36
Seeing (arcsec)
0.69
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 82.3760 82.3320 147.3000 147.5000
A0-J2 105.1990 105.0640 123.7000 123.8000
A0-K0 97.0230 96.8430 96.6550 96.7530
G1-J2 44.4860 44.4070 75.7000 75.7000
G1-K0 77.9390 77.8720 41.7860 41.8160
J2-K0 47.9200 47.9160 10.6210 10.6840
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 60843.3532457184
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 82.376
HIERARCH ESO ISS PBL12 END 82.332
HIERARCH ESO ISS PBLA12 START 147.3
HIERARCH ESO ISS PBLA12 END 147.5
HIERARCH ESO ISS PBL13 START 105.199
HIERARCH ESO ISS PBL13 END 105.064
HIERARCH ESO ISS PBLA13 START 123.7
HIERARCH ESO ISS PBLA13 END 123.8
HIERARCH ESO ISS PBL14 START 97.023
HIERARCH ESO ISS PBL14 END 96.843
HIERARCH ESO ISS PBLA14 START 96.655
HIERARCH ESO ISS PBLA14 END 96.753
HIERARCH ESO ISS PBL23 START 44.486
HIERARCH ESO ISS PBL23 END 44.407
HIERARCH ESO ISS PBLA23 START 75.7
HIERARCH ESO ISS PBLA23 END 75.7
HIERARCH ESO ISS PBL24 START 77.939
HIERARCH ESO ISS PBL24 END 77.872
HIERARCH ESO ISS PBLA24 START 41.786
HIERARCH ESO ISS PBLA24 END 41.816
HIERARCH ESO ISS PBL34 START 47.92
HIERARCH ESO ISS PBL34 END 47.916
HIERARCH ESO ISS PBLA34 START 10.621
HIERARCH ESO ISS PBLA34 END 10.684
HIERARCH ESO ISS AMBI TAU0 START 0.003334
HIERARCH ESO ISS AMBI TAU0 END 0.003334
HIERARCH ESO ISS AMBI TEMP 6.36
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.69