Exposure
ID
PIONI.2025-08-15T04:37:34.588_1
Header ID
PIONI.2025-08-15T04:37:34.588
Date updated
2025-08-15 04:40:57 UTC+0000
Release date
2025-08-15 04:37:34 UTC+0000
UTC Start
2025-08-15 04:37:34.589
UTC End
2025-08-15 04:38:00.189
MJD Start
60902.192761444
MJD End
60902.193057740296
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0017595
Ambient temperature (°C)
9.96
Seeing (arcsec)
1.7599999999999998
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 55.2140 55.1400 302.5000 302.6000
K0-D0 72.5670 72.4320 276.8000 276.9000
K0-J3 56.5430 56.5430 357.3670 357.4550
G2-D0 33.0360 32.9980 230.4000 230.5000
G2-J3 51.5410 51.4690 58.6030 58.6390
D0-J3 84.3730 84.2630 55.4150 55.4490
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 60902.192761444
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 55.214
HIERARCH ESO ISS PBL12 END 55.14
HIERARCH ESO ISS PBLA12 START 302.5
HIERARCH ESO ISS PBLA12 END 302.6
HIERARCH ESO ISS PBL13 START 72.567
HIERARCH ESO ISS PBL13 END 72.432
HIERARCH ESO ISS PBLA13 START 276.8
HIERARCH ESO ISS PBLA13 END 276.9
HIERARCH ESO ISS PBL14 START 56.543
HIERARCH ESO ISS PBL14 END 56.543
HIERARCH ESO ISS PBLA14 START 357.367
HIERARCH ESO ISS PBLA14 END 357.455
HIERARCH ESO ISS PBL23 START 33.036
HIERARCH ESO ISS PBL23 END 32.998
HIERARCH ESO ISS PBLA23 START 230.4
HIERARCH ESO ISS PBLA23 END 230.5
HIERARCH ESO ISS PBL24 START 51.541
HIERARCH ESO ISS PBL24 END 51.469
HIERARCH ESO ISS PBLA24 START 58.603
HIERARCH ESO ISS PBLA24 END 58.639
HIERARCH ESO ISS PBL34 START 84.373
HIERARCH ESO ISS PBL34 END 84.263
HIERARCH ESO ISS PBLA34 START 55.415
HIERARCH ESO ISS PBLA34 END 55.449
HIERARCH ESO ISS AMBI TAU0 START 0.001574
HIERARCH ESO ISS AMBI TAU0 END 0.001945
HIERARCH ESO ISS AMBI TEMP 9.96
HIERARCH ESO ISS AMBI FWHM START 2.01
HIERARCH ESO ISS AMBI FWHM END 1.51