Exposure
ID
PIONI.2025-07-22T04:05:05.627_1
Header ID
PIONI.2025-07-22T04:05:05.627
Date updated
2025-07-22 05:30:45 UTC+0000
Release date
2025-07-22 04:05:05 UTC+0000
UTC Start
2025-07-22 04:05:05.627
UTC End
2025-07-22 04:05:31.227
MJD Start
60878.1702040187
MJD End
60878.170500315
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.006271
Ambient temperature (°C)
14.37
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 89.9830 89.9660 124.0000 124.1000
A0-J2 126.6650 126.6100 101.2000 101.3000
A0-K0 123.7530 123.6830 79.0450 79.1240
G1-J2 56.0110 55.9810 62.5000 62.6000
G1-K0 87.5390 87.5120 32.4260 32.4830
J2-K0 48.1460 48.1470 356.7080 356.7750
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 60878.1702040187
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 89.983
HIERARCH ESO ISS PBL12 END 89.966
HIERARCH ESO ISS PBLA12 START 124.0
HIERARCH ESO ISS PBLA12 END 124.1
HIERARCH ESO ISS PBL13 START 126.665
HIERARCH ESO ISS PBL13 END 126.61
HIERARCH ESO ISS PBLA13 START 101.2
HIERARCH ESO ISS PBLA13 END 101.3
HIERARCH ESO ISS PBL14 START 123.753
HIERARCH ESO ISS PBL14 END 123.683
HIERARCH ESO ISS PBLA14 START 79.045
HIERARCH ESO ISS PBLA14 END 79.124
HIERARCH ESO ISS PBL23 START 56.011
HIERARCH ESO ISS PBL23 END 55.981
HIERARCH ESO ISS PBLA23 START 62.5
HIERARCH ESO ISS PBLA23 END 62.6
HIERARCH ESO ISS PBL24 START 87.539
HIERARCH ESO ISS PBL24 END 87.512
HIERARCH ESO ISS PBLA24 START 32.426
HIERARCH ESO ISS PBLA24 END 32.483
HIERARCH ESO ISS PBL34 START 48.146
HIERARCH ESO ISS PBL34 END 48.147
HIERARCH ESO ISS PBLA34 START 356.708
HIERARCH ESO ISS PBLA34 END 356.775
HIERARCH ESO ISS AMBI TAU0 START 0.006271
HIERARCH ESO ISS AMBI TAU0 END 0.006271
HIERARCH ESO ISS AMBI TEMP 14.37
HIERARCH ESO ISS AMBI FWHM START 0.9
HIERARCH ESO ISS AMBI FWHM END 0.9