Exposure
ID
PIONI.2025-08-15T04:35:03.431_1
Header ID
PIONI.2025-08-15T04:35:03.431
Date updated
2025-08-15 04:40:57 UTC+0000
Release date
2025-08-15 04:35:03 UTC+0000
UTC Start
2025-08-15 04:35:03.431
UTC End
2025-08-15 04:35:29.031
MJD Start
60902.1910119341
MJD End
60902.191308230394
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002376
Ambient temperature (°C)
10.03
Seeing (arcsec)
1.3599999999999999
Observation
ID
70016
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
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 55.5220 55.4490 301.9000 302.0000
K0-D0 73.1310 72.9970 276.4000 276.5000
K0-J3 56.5440 56.5440 356.9970 357.0850
G2-D0 33.1930 33.1560 230.3000 230.3000
G2-J3 51.8400 51.7690 58.4500 58.4870
D0-J3 84.8290 84.7200 55.2730 55.3070
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 60902.1910119341
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 55.522
HIERARCH ESO ISS PBL12 END 55.449
HIERARCH ESO ISS PBLA12 START 301.9
HIERARCH ESO ISS PBLA12 END 302.0
HIERARCH ESO ISS PBL13 START 73.131
HIERARCH ESO ISS PBL13 END 72.997
HIERARCH ESO ISS PBLA13 START 276.4
HIERARCH ESO ISS PBLA13 END 276.5
HIERARCH ESO ISS PBL14 START 56.544
HIERARCH ESO ISS PBL14 END 56.544
HIERARCH ESO ISS PBLA14 START 356.997
HIERARCH ESO ISS PBLA14 END 357.085
HIERARCH ESO ISS PBL23 START 33.193
HIERARCH ESO ISS PBL23 END 33.156
HIERARCH ESO ISS PBLA23 START 230.3
HIERARCH ESO ISS PBLA23 END 230.3
HIERARCH ESO ISS PBL24 START 51.84
HIERARCH ESO ISS PBL24 END 51.769
HIERARCH ESO ISS PBLA24 START 58.45
HIERARCH ESO ISS PBLA24 END 58.487
HIERARCH ESO ISS PBL34 START 84.829
HIERARCH ESO ISS PBL34 END 84.72
HIERARCH ESO ISS PBLA34 START 55.273
HIERARCH ESO ISS PBLA34 END 55.307
HIERARCH ESO ISS AMBI TAU0 START 0.002376
HIERARCH ESO ISS AMBI TAU0 END 0.002376
HIERARCH ESO ISS AMBI TEMP 10.03
HIERARCH ESO ISS AMBI FWHM START 1.31
HIERARCH ESO ISS AMBI FWHM END 1.41