Exposure
ID
PIONI.2025-08-17T02:15:03.432_1
Header ID
PIONI.2025-08-17T02:15:03.432
Date updated
2025-08-17 02:20:53 UTC+0000
Release date
2025-08-17 02:15:03 UTC+0000
UTC Start
2025-08-17 02:15:03.432
UTC End
2025-08-17 02:15:29.032
MJD Start
60904.0937897228
MJD End
60904.0940860191
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.001447
Ambient temperature (°C)
11.29
Seeing (arcsec)
1.495
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 67.2910 67.2650 278.8000 278.9000
K0-D0 93.4480 93.4010 258.0000 258.1000
K0-J3 56.3990 56.4030 338.6190 338.6950
G2-D0 38.7380 38.7240 220.0000 220.1000
G2-J3 62.4210 62.3950 47.3940 47.4570
D0-J3 100.9600 100.9200 44.5680 44.6300
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 60904.0937897228
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 67.291
HIERARCH ESO ISS PBL12 END 67.265
HIERARCH ESO ISS PBLA12 START 278.8
HIERARCH ESO ISS PBLA12 END 278.9
HIERARCH ESO ISS PBL13 START 93.448
HIERARCH ESO ISS PBL13 END 93.401
HIERARCH ESO ISS PBLA13 START 258.0
HIERARCH ESO ISS PBLA13 END 258.1
HIERARCH ESO ISS PBL14 START 56.399
HIERARCH ESO ISS PBL14 END 56.403
HIERARCH ESO ISS PBLA14 START 338.619
HIERARCH ESO ISS PBLA14 END 338.695
HIERARCH ESO ISS PBL23 START 38.738
HIERARCH ESO ISS PBL23 END 38.724
HIERARCH ESO ISS PBLA23 START 220.0
HIERARCH ESO ISS PBLA23 END 220.1
HIERARCH ESO ISS PBL24 START 62.421
HIERARCH ESO ISS PBL24 END 62.395
HIERARCH ESO ISS PBLA24 START 47.394
HIERARCH ESO ISS PBLA24 END 47.457
HIERARCH ESO ISS PBL34 START 100.96
HIERARCH ESO ISS PBL34 END 100.92
HIERARCH ESO ISS PBLA34 START 44.568
HIERARCH ESO ISS PBLA34 END 44.63
HIERARCH ESO ISS AMBI TAU0 START 0.001447
HIERARCH ESO ISS AMBI TAU0 END 0.001447
HIERARCH ESO ISS AMBI TEMP 11.29
HIERARCH ESO ISS AMBI FWHM START 1.42
HIERARCH ESO ISS AMBI FWHM END 1.57