Exposure
ID
PIONI.2025-07-20T04:30:13.626_1
Header ID
PIONI.2025-07-20T04:30:13.626
Date updated
2025-07-20 04:40:38 UTC+0000
Release date
2025-07-20 04:30:13 UTC+0000
UTC Start
2025-07-20 04:30:13.626
UTC End
2025-07-20 04:30:39.226
MJD Start
60876.1876577102
MJD End
60876.1879540065
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003162
Ambient temperature (°C)
13.48
Seeing (arcsec)
0.92
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 89.3730 89.3480 126.8000 126.9000
A0-J2 124.8690 124.7990 103.8000 103.9000
A0-K0 121.5150 121.4290 81.3100 81.3890
G1-J2 55.0360 54.9980 64.5000 64.6000
G1-K0 86.7050 86.6740 34.0350 34.0890
J2-K0 48.1640 48.1640 358.6410 358.7080
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 60876.1876577102
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 89.373
HIERARCH ESO ISS PBL12 END 89.348
HIERARCH ESO ISS PBLA12 START 126.8
HIERARCH ESO ISS PBLA12 END 126.9
HIERARCH ESO ISS PBL13 START 124.869
HIERARCH ESO ISS PBL13 END 124.799
HIERARCH ESO ISS PBLA13 START 103.8
HIERARCH ESO ISS PBLA13 END 103.9
HIERARCH ESO ISS PBL14 START 121.515
HIERARCH ESO ISS PBL14 END 121.429
HIERARCH ESO ISS PBLA14 START 81.31
HIERARCH ESO ISS PBLA14 END 81.389
HIERARCH ESO ISS PBL23 START 55.036
HIERARCH ESO ISS PBL23 END 54.998
HIERARCH ESO ISS PBLA23 START 64.5
HIERARCH ESO ISS PBLA23 END 64.6
HIERARCH ESO ISS PBL24 START 86.705
HIERARCH ESO ISS PBL24 END 86.674
HIERARCH ESO ISS PBLA24 START 34.035
HIERARCH ESO ISS PBLA24 END 34.089
HIERARCH ESO ISS PBL34 START 48.164
HIERARCH ESO ISS PBL34 END 48.164
HIERARCH ESO ISS PBLA34 START 358.641
HIERARCH ESO ISS PBLA34 END 358.708
HIERARCH ESO ISS AMBI TAU0 START 0.003162
HIERARCH ESO ISS AMBI TAU0 END 0.003162
HIERARCH ESO ISS AMBI TEMP 13.48
HIERARCH ESO ISS AMBI FWHM START 0.92
HIERARCH ESO ISS AMBI FWHM END 0.92