Exposure
ID
PIONI.2025-09-26T00:16:14.166_1
Header ID
PIONI.2025-09-26T00:16:14.166
Date updated
2025-09-26 00:20:44 UTC+0000
Release date
2025-09-26 00:16:14 UTC+0000
UTC Start
2025-09-26 00:16:14.166
UTC End
2025-09-26 00:16:39.766
MJD Start
60944.0112750707
MJD End
60944.011571366995
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.00502
Ambient temperature (°C)
14.54
Seeing (arcsec)
0.895
Observation
ID
70512
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
52266
Name
eps Sgr
RA
276.041372
DEC
-34.38533
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 88.7630 88.7330 129.0000 129.1000
A0-J2 123.1790 123.0970 105.9000 106.0000
A0-K0 119.4540 119.3550 83.0710 83.1500
G1-J2 54.1480 54.1060 66.0000 66.0000
G1-K0 85.9610 85.9260 35.2150 35.2660
J2-K0 48.1670 48.1670 0.1410 0.2080
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 60944.0112750707
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME eps Sgr
RA 276.041372
DEC -34.38533
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 88.763
HIERARCH ESO ISS PBL12 END 88.733
HIERARCH ESO ISS PBLA12 START 129.0
HIERARCH ESO ISS PBLA12 END 129.1
HIERARCH ESO ISS PBL13 START 123.179
HIERARCH ESO ISS PBL13 END 123.097
HIERARCH ESO ISS PBLA13 START 105.9
HIERARCH ESO ISS PBLA13 END 106.0
HIERARCH ESO ISS PBL14 START 119.454
HIERARCH ESO ISS PBL14 END 119.355
HIERARCH ESO ISS PBLA14 START 83.071
HIERARCH ESO ISS PBLA14 END 83.15
HIERARCH ESO ISS PBL23 START 54.148
HIERARCH ESO ISS PBL23 END 54.106
HIERARCH ESO ISS PBLA23 START 66.0
HIERARCH ESO ISS PBLA23 END 66.0
HIERARCH ESO ISS PBL24 START 85.961
HIERARCH ESO ISS PBL24 END 85.926
HIERARCH ESO ISS PBLA24 START 35.215
HIERARCH ESO ISS PBLA24 END 35.266
HIERARCH ESO ISS PBL34 START 48.167
HIERARCH ESO ISS PBL34 END 48.167
HIERARCH ESO ISS PBLA34 START 0.141
HIERARCH ESO ISS PBLA34 END 0.208
HIERARCH ESO ISS AMBI TAU0 START 0.004994
HIERARCH ESO ISS AMBI TAU0 END 0.005046
HIERARCH ESO ISS AMBI TEMP 14.54
HIERARCH ESO ISS AMBI FWHM START 0.88
HIERARCH ESO ISS AMBI FWHM END 0.91