Exposure
ID
PIONI.2025-08-22T01:27:19.318_1
Header ID
PIONI.2025-08-22T01:27:19.318
Date updated
2025-08-22 01:35:53 UTC+0000
Release date
2025-08-22 01:27:19 UTC+0000
UTC Start
2025-08-22 01:27:19.318
UTC End
2025-08-22 01:27:44.918
MJD Start
60909.0606402573
MJD End
60909.0609365536
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002151
Ambient temperature (°C)
7.41
Seeing (arcsec)
1.76
Observation
ID
70064
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
A0 G2 J2 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G2 67.3380 67.3170 53.6000 53.7000
A0-J2 128.9040 128.8840 95.9000 96.0000
A0-J3 130.3470 130.3080 49.1040 49.1750
G2-J2 91.1790 91.1830 125.7000 125.8000
G2-J3 63.4390 63.4210 44.3150 44.3830
J2-J3 103.0270 103.0350 343.2550 343.3230
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 60909.0606402573
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 A0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J3
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 67.338
HIERARCH ESO ISS PBL12 END 67.317
HIERARCH ESO ISS PBLA12 START 53.6
HIERARCH ESO ISS PBLA12 END 53.7
HIERARCH ESO ISS PBL13 START 128.904
HIERARCH ESO ISS PBL13 END 128.884
HIERARCH ESO ISS PBLA13 START 95.9
HIERARCH ESO ISS PBLA13 END 96.0
HIERARCH ESO ISS PBL14 START 130.347
HIERARCH ESO ISS PBL14 END 130.308
HIERARCH ESO ISS PBLA14 START 49.104
HIERARCH ESO ISS PBLA14 END 49.175
HIERARCH ESO ISS PBL23 START 91.179
HIERARCH ESO ISS PBL23 END 91.183
HIERARCH ESO ISS PBLA23 START 125.7
HIERARCH ESO ISS PBLA23 END 125.8
HIERARCH ESO ISS PBL24 START 63.439
HIERARCH ESO ISS PBL24 END 63.421
HIERARCH ESO ISS PBLA24 START 44.315
HIERARCH ESO ISS PBLA24 END 44.383
HIERARCH ESO ISS PBL34 START 103.027
HIERARCH ESO ISS PBL34 END 103.035
HIERARCH ESO ISS PBLA34 START 343.255
HIERARCH ESO ISS PBLA34 END 343.323
HIERARCH ESO ISS AMBI TAU0 START 0.002151
HIERARCH ESO ISS AMBI TAU0 END 0.002151
HIERARCH ESO ISS AMBI TEMP 7.41
HIERARCH ESO ISS AMBI FWHM START 1.76
HIERARCH ESO ISS AMBI FWHM END 1.76