Exposure
ID
PIONI.2025-06-17T08:15:56.533_1
Header ID
PIONI.2025-06-17T08:15:56.533
Date updated
2025-06-17 08:25:59 UTC+0000
Release date
2025-06-17 08:15:56 UTC+0000
UTC Start
2025-06-17 08:15:56.533
UTC End
2025-06-17 08:16:22.133
MJD Start
60843.3444043216
MJD End
60843.3447006179
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004396
Ambient temperature (°C)
6.58
Seeing (arcsec)
0.59
Observation
ID
68116
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
50632
Name
eps Sgr
RA
276.041375
DEC
-34.38532
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 83.3130 83.2690 144.6000 144.7000
A0-J2 108.0360 107.9040 120.9000 121.0000
A0-K0 100.7380 100.5670 94.6400 94.7330
G1-J2 46.1100 46.0360 74.4000 74.5000
G1-K0 79.3010 79.2390 41.1080 41.1420
J2-K0 47.9850 47.9820 9.2630 9.3270
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 60843.3444043216
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME eps Sgr
RA 276.041375
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 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 83.313
HIERARCH ESO ISS PBL12 END 83.269
HIERARCH ESO ISS PBLA12 START 144.6
HIERARCH ESO ISS PBLA12 END 144.7
HIERARCH ESO ISS PBL13 START 108.036
HIERARCH ESO ISS PBL13 END 107.904
HIERARCH ESO ISS PBLA13 START 120.9
HIERARCH ESO ISS PBLA13 END 121.0
HIERARCH ESO ISS PBL14 START 100.738
HIERARCH ESO ISS PBL14 END 100.567
HIERARCH ESO ISS PBLA14 START 94.64
HIERARCH ESO ISS PBLA14 END 94.733
HIERARCH ESO ISS PBL23 START 46.11
HIERARCH ESO ISS PBL23 END 46.036
HIERARCH ESO ISS PBLA23 START 74.4
HIERARCH ESO ISS PBLA23 END 74.5
HIERARCH ESO ISS PBL24 START 79.301
HIERARCH ESO ISS PBL24 END 79.239
HIERARCH ESO ISS PBLA24 START 41.108
HIERARCH ESO ISS PBLA24 END 41.142
HIERARCH ESO ISS PBL34 START 47.985
HIERARCH ESO ISS PBL34 END 47.982
HIERARCH ESO ISS PBLA34 START 9.263
HIERARCH ESO ISS PBLA34 END 9.327
HIERARCH ESO ISS AMBI TAU0 START 0.004396
HIERARCH ESO ISS AMBI TAU0 END 0.004396
HIERARCH ESO ISS AMBI TEMP 6.58
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.59