Exposure
ID
PIONI.2025-07-16T01:40:27.667_1
Header ID
PIONI.2025-07-16T01:40:27.667
Date updated
2025-07-16 01:50:56 UTC+0000
Release date
2025-07-16 01:40:27 UTC+0000
UTC Start
2025-07-16 01:40:27.668
UTC End
2025-07-16 01:40:53.268
MJD Start
60872.0697646742
MJD End
60872.070060970495
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002201
Ambient temperature (°C)
12.66
Seeing (arcsec)
0.97
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 81.4960 81.5800 101.9000 102.0000
A0-J2 118.8820 118.9890 76.5000 76.6000
A0-K0 122.3310 122.3970 54.1990 54.3060
G1-J2 57.1200 57.1350 38.9000 39.0000
G1-K0 90.4670 90.4660 12.4290 12.5120
J2-K0 46.8590 46.8690 339.5150 339.5680
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 60872.0697646742
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 81.496
HIERARCH ESO ISS PBL12 END 81.58
HIERARCH ESO ISS PBLA12 START 101.9
HIERARCH ESO ISS PBLA12 END 102.0
HIERARCH ESO ISS PBL13 START 118.882
HIERARCH ESO ISS PBL13 END 118.989
HIERARCH ESO ISS PBLA13 START 76.5
HIERARCH ESO ISS PBLA13 END 76.6
HIERARCH ESO ISS PBL14 START 122.331
HIERARCH ESO ISS PBL14 END 122.397
HIERARCH ESO ISS PBLA14 START 54.199
HIERARCH ESO ISS PBLA14 END 54.306
HIERARCH ESO ISS PBL23 START 57.12
HIERARCH ESO ISS PBL23 END 57.135
HIERARCH ESO ISS PBLA23 START 38.9
HIERARCH ESO ISS PBLA23 END 39.0
HIERARCH ESO ISS PBL24 START 90.467
HIERARCH ESO ISS PBL24 END 90.466
HIERARCH ESO ISS PBLA24 START 12.429
HIERARCH ESO ISS PBLA24 END 12.512
HIERARCH ESO ISS PBL34 START 46.859
HIERARCH ESO ISS PBL34 END 46.869
HIERARCH ESO ISS PBLA34 START 339.515
HIERARCH ESO ISS PBLA34 END 339.568
HIERARCH ESO ISS AMBI TAU0 START 0.002201
HIERARCH ESO ISS AMBI TAU0 END 0.002201
HIERARCH ESO ISS AMBI TEMP 12.66
HIERARCH ESO ISS AMBI FWHM START 0.97
HIERARCH ESO ISS AMBI FWHM END 0.97