Exposure
ID
PIONI.2025-07-17T01:38:03.121_1
Header ID
PIONI.2025-07-17T01:38:03.121
Date updated
2025-07-17 01:45:42 UTC+0000
Release date
2025-07-17 01:38:03 UTC+0000
UTC Start
2025-07-17 01:38:03.121
UTC End
2025-07-17 01:38:28.721
MJD Start
60873.0680916756
MJD End
60873.0683879719
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.006108
Ambient temperature (°C)
13.28
Seeing (arcsec)
0.69
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 81.7080 81.7890 102.1000 102.1000
A0-J2 119.1530 119.2580 76.8000 76.9000
A0-K0 122.4990 122.5640 54.4690 54.5760
G1-J2 57.1590 57.1740 39.2000 39.3000
G1-K0 90.4640 90.4640 12.6370 12.7200
J2-K0 46.8840 46.8940 339.6470 339.7010
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 60873.0680916756
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 81.708
HIERARCH ESO ISS PBL12 END 81.789
HIERARCH ESO ISS PBLA12 START 102.1
HIERARCH ESO ISS PBLA12 END 102.1
HIERARCH ESO ISS PBL13 START 119.153
HIERARCH ESO ISS PBL13 END 119.258
HIERARCH ESO ISS PBLA13 START 76.8
HIERARCH ESO ISS PBLA13 END 76.9
HIERARCH ESO ISS PBL14 START 122.499
HIERARCH ESO ISS PBL14 END 122.564
HIERARCH ESO ISS PBLA14 START 54.469
HIERARCH ESO ISS PBLA14 END 54.576
HIERARCH ESO ISS PBL23 START 57.159
HIERARCH ESO ISS PBL23 END 57.174
HIERARCH ESO ISS PBLA23 START 39.2
HIERARCH ESO ISS PBLA23 END 39.3
HIERARCH ESO ISS PBL24 START 90.464
HIERARCH ESO ISS PBL24 END 90.464
HIERARCH ESO ISS PBLA24 START 12.637
HIERARCH ESO ISS PBLA24 END 12.72
HIERARCH ESO ISS PBL34 START 46.884
HIERARCH ESO ISS PBL34 END 46.894
HIERARCH ESO ISS PBLA34 START 339.647
HIERARCH ESO ISS PBLA34 END 339.701
HIERARCH ESO ISS AMBI TAU0 START 0.006108
HIERARCH ESO ISS AMBI TAU0 END 0.006108
HIERARCH ESO ISS AMBI TEMP 13.28
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.69