Exposure
ID
PIONI.2025-08-22T02:00:15.521_1
Header ID
PIONI.2025-08-22T02:00:15.521
Date updated
2025-08-22 02:12:01 UTC+0000
Release date
2025-08-22 02:00:15 UTC+0000
UTC Start
2025-08-22 02:00:15.521
UTC End
2025-08-22 02:00:41.121
MJD Start
60909.0835129726
MJD End
60909.083809268894
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002151
Ambient temperature (°C)
7.54
Seeing (arcsec)
1.76
Observation
ID
70064
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
51947
Name
eps Sgr
RA
276.04272
DEC
-34.38532
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 G2 J2 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G2 65.8740 65.8410 57.4000 57.5000
A0-J2 126.9280 126.8760 100.7000 100.8000
A0-J3 127.6380 127.5770 52.7960 52.8600
G2-J2 91.0050 90.9950 130.5000 130.6000
G2-J3 62.2060 62.1780 47.8990 47.9610
J2-J3 103.4080 103.4130 347.1210 347.1930
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 60909.0835129726
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME eps Sgr
RA 276.04272
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 G2
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J3
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 65.874
HIERARCH ESO ISS PBL12 END 65.841
HIERARCH ESO ISS PBLA12 START 57.4
HIERARCH ESO ISS PBLA12 END 57.5
HIERARCH ESO ISS PBL13 START 126.928
HIERARCH ESO ISS PBL13 END 126.876
HIERARCH ESO ISS PBLA13 START 100.7
HIERARCH ESO ISS PBLA13 END 100.8
HIERARCH ESO ISS PBL14 START 127.638
HIERARCH ESO ISS PBL14 END 127.577
HIERARCH ESO ISS PBLA14 START 52.796
HIERARCH ESO ISS PBLA14 END 52.86
HIERARCH ESO ISS PBL23 START 91.005
HIERARCH ESO ISS PBL23 END 90.995
HIERARCH ESO ISS PBLA23 START 130.5
HIERARCH ESO ISS PBLA23 END 130.6
HIERARCH ESO ISS PBL24 START 62.206
HIERARCH ESO ISS PBL24 END 62.178
HIERARCH ESO ISS PBLA24 START 47.899
HIERARCH ESO ISS PBLA24 END 47.961
HIERARCH ESO ISS PBL34 START 103.408
HIERARCH ESO ISS PBL34 END 103.413
HIERARCH ESO ISS PBLA34 START 347.121
HIERARCH ESO ISS PBLA34 END 347.193
HIERARCH ESO ISS AMBI TAU0 START 0.002151
HIERARCH ESO ISS AMBI TAU0 END 0.002151
HIERARCH ESO ISS AMBI TEMP 7.54
HIERARCH ESO ISS AMBI FWHM START 1.76
HIERARCH ESO ISS AMBI FWHM END 1.76