Exposure
ID
PIONI.2025-08-15T02:59:51.289_1
Header ID
PIONI.2025-08-15T02:59:51.289
Date updated
2025-08-15 03:05:30 UTC+0000
Release date
2025-08-15 02:59:51 UTC+0000
UTC Start
2025-08-15 02:59:51.289
UTC End
2025-08-15 03:00:16.889
MJD Start
60902.1248991792
MJD End
60902.1251954755
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002026
Ambient temperature (°C)
11.02
Seeing (arcsec)
1.49
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 65.1580 65.1150 284.4000 284.5000
K0-D0 89.7720 89.6980 262.9000 262.9000
K0-J3 56.5330 56.5340 343.4610 343.5420
G2-D0 37.7040 37.6850 223.5000 223.6000
G2-J3 60.4610 60.4230 51.0540 51.1100
D0-J3 97.9650 97.9070 48.1590 48.2140
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 60902.1248991792
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 65.158
HIERARCH ESO ISS PBL12 END 65.115
HIERARCH ESO ISS PBLA12 START 284.4
HIERARCH ESO ISS PBLA12 END 284.5
HIERARCH ESO ISS PBL13 START 89.772
HIERARCH ESO ISS PBL13 END 89.698
HIERARCH ESO ISS PBLA13 START 262.9
HIERARCH ESO ISS PBLA13 END 262.9
HIERARCH ESO ISS PBL14 START 56.533
HIERARCH ESO ISS PBL14 END 56.534
HIERARCH ESO ISS PBLA14 START 343.461
HIERARCH ESO ISS PBLA14 END 343.542
HIERARCH ESO ISS PBL23 START 37.704
HIERARCH ESO ISS PBL23 END 37.685
HIERARCH ESO ISS PBLA23 START 223.5
HIERARCH ESO ISS PBLA23 END 223.6
HIERARCH ESO ISS PBL24 START 60.461
HIERARCH ESO ISS PBL24 END 60.423
HIERARCH ESO ISS PBLA24 START 51.054
HIERARCH ESO ISS PBLA24 END 51.11
HIERARCH ESO ISS PBL34 START 97.965
HIERARCH ESO ISS PBL34 END 97.907
HIERARCH ESO ISS PBLA34 START 48.159
HIERARCH ESO ISS PBLA34 END 48.214
HIERARCH ESO ISS AMBI TAU0 START 0.002026
HIERARCH ESO ISS AMBI TAU0 END 0.002026
HIERARCH ESO ISS AMBI TEMP 11.02
HIERARCH ESO ISS AMBI FWHM START 1.49
HIERARCH ESO ISS AMBI FWHM END 1.49