Exposure
ID
PIONI.2025-07-25T07:02:03.097_1
Header ID
PIONI.2025-07-25T07:02:03.097
Date updated
2025-07-25 07:10:52 UTC+0000
Release date
2025-07-25 07:02:03 UTC+0000
UTC Start
2025-07-25 07:02:03.097
UTC End
2025-07-25 07:02:28.697
MJD Start
60881.2930913977
MJD End
60881.293387694
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003523
Ambient temperature (°C)
11.98
Seeing (arcsec)
0.675
Observation
ID
68969
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 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 24.9580 24.9580 180.3000 180.4000
A0-D0 19.0980 19.0450 108.6000 108.8000
A0-C1 19.5920 19.5850 162.3490 162.5020
B2-D0 26.2210 26.1890 44.0000 44.1000
B2-C1 8.7380 8.7270 44.0000 44.0120
D0-C1 17.4830 17.4620 224.0630 224.0740
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 60881.2930913977
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 24.958
HIERARCH ESO ISS PBL12 END 24.958
HIERARCH ESO ISS PBLA12 START 180.3
HIERARCH ESO ISS PBLA12 END 180.4
HIERARCH ESO ISS PBL13 START 19.098
HIERARCH ESO ISS PBL13 END 19.045
HIERARCH ESO ISS PBLA13 START 108.6
HIERARCH ESO ISS PBLA13 END 108.8
HIERARCH ESO ISS PBL14 START 19.592
HIERARCH ESO ISS PBL14 END 19.585
HIERARCH ESO ISS PBLA14 START 162.349
HIERARCH ESO ISS PBLA14 END 162.502
HIERARCH ESO ISS PBL23 START 26.221
HIERARCH ESO ISS PBL23 END 26.189
HIERARCH ESO ISS PBLA23 START 44.0
HIERARCH ESO ISS PBLA23 END 44.1
HIERARCH ESO ISS PBL24 START 8.738
HIERARCH ESO ISS PBL24 END 8.727
HIERARCH ESO ISS PBLA24 START 44.0
HIERARCH ESO ISS PBLA24 END 44.012
HIERARCH ESO ISS PBL34 START 17.483
HIERARCH ESO ISS PBL34 END 17.462
HIERARCH ESO ISS PBLA34 START 224.063
HIERARCH ESO ISS PBLA34 END 224.074
HIERARCH ESO ISS AMBI TAU0 START 0.003523
HIERARCH ESO ISS AMBI TAU0 END 0.003523
HIERARCH ESO ISS AMBI TEMP 11.98
HIERARCH ESO ISS AMBI FWHM START 0.72
HIERARCH ESO ISS AMBI FWHM END 0.63