Exposure
ID
PIONI.2025-08-15T03:00:28.914_1
Header ID
PIONI.2025-08-15T03:00:28.914
Date updated
2025-08-15 03:05:30 UTC+0000
Release date
2025-08-15 03:00:28 UTC+0000
UTC Start
2025-08-15 03:00:28.913
UTC End
2025-08-15 03:00:54.513
MJD Start
60902.1253346456
MJD End
60902.1256309419
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 65.1120 65.0690 284.5000 284.6000
K0-D0 89.6940 89.6210 262.9000 263.0000
K0-J3 56.5340 56.5350 343.5460 343.6270
G2-D0 37.6830 37.6630 223.6000 223.6000
G2-J3 60.4210 60.3830 51.1130 51.1690
D0-J3 97.9030 97.8450 48.2170 48.2720
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 60902.1253346456
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 65.112
HIERARCH ESO ISS PBL12 END 65.069
HIERARCH ESO ISS PBLA12 START 284.5
HIERARCH ESO ISS PBLA12 END 284.6
HIERARCH ESO ISS PBL13 START 89.694
HIERARCH ESO ISS PBL13 END 89.621
HIERARCH ESO ISS PBLA13 START 262.9
HIERARCH ESO ISS PBLA13 END 263.0
HIERARCH ESO ISS PBL14 START 56.534
HIERARCH ESO ISS PBL14 END 56.535
HIERARCH ESO ISS PBLA14 START 343.546
HIERARCH ESO ISS PBLA14 END 343.627
HIERARCH ESO ISS PBL23 START 37.683
HIERARCH ESO ISS PBL23 END 37.663
HIERARCH ESO ISS PBLA23 START 223.6
HIERARCH ESO ISS PBLA23 END 223.6
HIERARCH ESO ISS PBL24 START 60.421
HIERARCH ESO ISS PBL24 END 60.383
HIERARCH ESO ISS PBLA24 START 51.113
HIERARCH ESO ISS PBLA24 END 51.169
HIERARCH ESO ISS PBL34 START 97.903
HIERARCH ESO ISS PBL34 END 97.845
HIERARCH ESO ISS PBLA34 START 48.217
HIERARCH ESO ISS PBLA34 END 48.272
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