Exposure
ID
PIONI.2025-08-22T01:27:56.927_1
Header ID
PIONI.2025-08-22T01:27:56.927
Date updated
2025-08-22 01:35:53 UTC+0000
Release date
2025-08-22 01:27:56 UTC+0000
UTC Start
2025-08-22 01:27:56.926
UTC End
2025-08-22 01:28:22.526
MJD Start
60909.0610755365
MJD End
60909.061371832795
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002151
Ambient temperature (°C)
7.4
Seeing (arcsec)
1.76
Observation
ID
70064
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
A0 G2 J2 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G2 67.3160 67.2960 53.7000 53.8000
A0-J2 128.8830 128.8620 96.0000 96.1000
A0-J3 130.3060 130.2670 49.1790 49.2490
G2-J2 91.1840 91.1870 125.8000 125.9000
G2-J3 63.4210 63.4030 44.3870 44.4550
J2-J3 103.0360 103.0440 343.3270 343.3960
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 60909.0610755365
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 A0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J3
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 67.316
HIERARCH ESO ISS PBL12 END 67.296
HIERARCH ESO ISS PBLA12 START 53.7
HIERARCH ESO ISS PBLA12 END 53.8
HIERARCH ESO ISS PBL13 START 128.883
HIERARCH ESO ISS PBL13 END 128.862
HIERARCH ESO ISS PBLA13 START 96.0
HIERARCH ESO ISS PBLA13 END 96.1
HIERARCH ESO ISS PBL14 START 130.306
HIERARCH ESO ISS PBL14 END 130.267
HIERARCH ESO ISS PBLA14 START 49.179
HIERARCH ESO ISS PBLA14 END 49.249
HIERARCH ESO ISS PBL23 START 91.184
HIERARCH ESO ISS PBL23 END 91.187
HIERARCH ESO ISS PBLA23 START 125.8
HIERARCH ESO ISS PBLA23 END 125.9
HIERARCH ESO ISS PBL24 START 63.421
HIERARCH ESO ISS PBL24 END 63.403
HIERARCH ESO ISS PBLA24 START 44.387
HIERARCH ESO ISS PBLA24 END 44.455
HIERARCH ESO ISS PBL34 START 103.036
HIERARCH ESO ISS PBL34 END 103.044
HIERARCH ESO ISS PBLA34 START 343.327
HIERARCH ESO ISS PBLA34 END 343.396
HIERARCH ESO ISS AMBI TAU0 START 0.002151
HIERARCH ESO ISS AMBI TAU0 END 0.002151
HIERARCH ESO ISS AMBI TEMP 7.4
HIERARCH ESO ISS AMBI FWHM START 1.76
HIERARCH ESO ISS AMBI FWHM END 1.76