Exposure
ID
PIONI.2025-07-22T04:05:43.236_1
Header ID
PIONI.2025-07-22T04:05:43.236
Date updated
2025-07-22 05:30:45 UTC+0000
Release date
2025-07-22 04:05:43 UTC+0000
UTC Start
2025-07-22 04:05:43.237
UTC End
2025-07-22 04:06:08.837
MJD Start
60878.1706393124
MJD End
60878.170935608694
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.006271
Ambient temperature (°C)
14.47
Seeing (arcsec)
0.9
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 89.9650 89.9480 124.1000 124.2000
A0-J2 126.6070 126.5540 101.3000 101.4000
A0-K0 123.6790 123.6110 79.1280 79.2000
G1-J2 55.9790 55.9490 62.6000 62.7000
G1-K0 87.5110 87.4850 32.4860 32.5370
J2-K0 48.1470 48.1480 356.7790 356.8390
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 60878.1706393124
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 89.965
HIERARCH ESO ISS PBL12 END 89.948
HIERARCH ESO ISS PBLA12 START 124.1
HIERARCH ESO ISS PBLA12 END 124.2
HIERARCH ESO ISS PBL13 START 126.607
HIERARCH ESO ISS PBL13 END 126.554
HIERARCH ESO ISS PBLA13 START 101.3
HIERARCH ESO ISS PBLA13 END 101.4
HIERARCH ESO ISS PBL14 START 123.679
HIERARCH ESO ISS PBL14 END 123.611
HIERARCH ESO ISS PBLA14 START 79.128
HIERARCH ESO ISS PBLA14 END 79.2
HIERARCH ESO ISS PBL23 START 55.979
HIERARCH ESO ISS PBL23 END 55.949
HIERARCH ESO ISS PBLA23 START 62.6
HIERARCH ESO ISS PBLA23 END 62.7
HIERARCH ESO ISS PBL24 START 87.511
HIERARCH ESO ISS PBL24 END 87.485
HIERARCH ESO ISS PBLA24 START 32.486
HIERARCH ESO ISS PBLA24 END 32.537
HIERARCH ESO ISS PBL34 START 48.147
HIERARCH ESO ISS PBL34 END 48.148
HIERARCH ESO ISS PBLA34 START 356.779
HIERARCH ESO ISS PBLA34 END 356.839
HIERARCH ESO ISS AMBI TAU0 START 0.006271
HIERARCH ESO ISS AMBI TAU0 END 0.006271
HIERARCH ESO ISS AMBI TEMP 14.47
HIERARCH ESO ISS AMBI FWHM START 0.9
HIERARCH ESO ISS AMBI FWHM END 0.9