Exposure
ID
PIONI.2025-07-26T00:21:34.040_1
Header ID
PIONI.2025-07-26T00:21:34.040
Date updated
2025-07-26 00:30:58 UTC+0000
Release date
2025-07-26 00:21:34 UTC+0000
UTC Start
2025-07-26 00:21:34.040
UTC End
2025-07-26 00:21:59.640
MJD Start
60882.0149773206
MJD End
60882.0152736169
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003157
Ambient temperature (°C)
11.8
Seeing (arcsec)
0.49
Observation
ID
68969
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 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 21.9640 21.9850 128.0000 128.1000
A0-D0 29.3720 29.3920 46.7000 46.8000
A0-C1 18.7890 18.8160 97.0720 97.1470
B2-D0 33.9340 33.9340 6.9000 7.0000
B2-C1 11.3040 11.3040 6.8540 6.9390
D0-C1 22.6300 22.6300 186.9060 186.9920
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 60882.0149773206
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 21.964
HIERARCH ESO ISS PBL12 END 21.985
HIERARCH ESO ISS PBLA12 START 128.0
HIERARCH ESO ISS PBLA12 END 128.1
HIERARCH ESO ISS PBL13 START 29.372
HIERARCH ESO ISS PBL13 END 29.392
HIERARCH ESO ISS PBLA13 START 46.7
HIERARCH ESO ISS PBLA13 END 46.8
HIERARCH ESO ISS PBL14 START 18.789
HIERARCH ESO ISS PBL14 END 18.816
HIERARCH ESO ISS PBLA14 START 97.072
HIERARCH ESO ISS PBLA14 END 97.147
HIERARCH ESO ISS PBL23 START 33.934
HIERARCH ESO ISS PBL23 END 33.934
HIERARCH ESO ISS PBLA23 START 6.9
HIERARCH ESO ISS PBLA23 END 7.0
HIERARCH ESO ISS PBL24 START 11.304
HIERARCH ESO ISS PBL24 END 11.304
HIERARCH ESO ISS PBLA24 START 6.854
HIERARCH ESO ISS PBLA24 END 6.939
HIERARCH ESO ISS PBL34 START 22.63
HIERARCH ESO ISS PBL34 END 22.63
HIERARCH ESO ISS PBLA34 START 186.906
HIERARCH ESO ISS PBLA34 END 186.992
HIERARCH ESO ISS AMBI TAU0 START 0.003157
HIERARCH ESO ISS AMBI TAU0 END 0.003157
HIERARCH ESO ISS AMBI TEMP 11.8
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.49