Exposure
ID
PIONI.2025-08-17T02:14:26.008_1
Header ID
PIONI.2025-08-17T02:14:26.008
Date updated
2025-08-17 02:20:53 UTC+0000
Release date
2025-08-17 02:14:26 UTC+0000
UTC Start
2025-08-17 02:14:26.007
UTC End
2025-08-17 02:14:51.607
MJD Start
60904.0933565674
MJD End
60904.093652863696
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.001447
Ambient temperature (°C)
11.26
Seeing (arcsec)
1.42
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 67.3180 67.2920 278.7000 278.8000
K0-D0 93.4960 93.4500 257.9000 258.0000
K0-J3 56.3960 56.3990 338.5390 338.6150
G2-D0 38.7520 38.7380 219.9000 220.0000
G2-J3 62.4480 62.4220 47.3270 47.3900
D0-J3 101.0020 100.9620 44.5030 44.5650
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 60904.0933565674
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 67.318
HIERARCH ESO ISS PBL12 END 67.292
HIERARCH ESO ISS PBLA12 START 278.7
HIERARCH ESO ISS PBLA12 END 278.8
HIERARCH ESO ISS PBL13 START 93.496
HIERARCH ESO ISS PBL13 END 93.45
HIERARCH ESO ISS PBLA13 START 257.9
HIERARCH ESO ISS PBLA13 END 258.0
HIERARCH ESO ISS PBL14 START 56.396
HIERARCH ESO ISS PBL14 END 56.399
HIERARCH ESO ISS PBLA14 START 338.539
HIERARCH ESO ISS PBLA14 END 338.615
HIERARCH ESO ISS PBL23 START 38.752
HIERARCH ESO ISS PBL23 END 38.738
HIERARCH ESO ISS PBLA23 START 219.9
HIERARCH ESO ISS PBLA23 END 220.0
HIERARCH ESO ISS PBL24 START 62.448
HIERARCH ESO ISS PBL24 END 62.422
HIERARCH ESO ISS PBLA24 START 47.327
HIERARCH ESO ISS PBLA24 END 47.39
HIERARCH ESO ISS PBL34 START 101.002
HIERARCH ESO ISS PBL34 END 100.962
HIERARCH ESO ISS PBLA34 START 44.503
HIERARCH ESO ISS PBLA34 END 44.565
HIERARCH ESO ISS AMBI TAU0 START 0.001447
HIERARCH ESO ISS AMBI TAU0 END 0.001447
HIERARCH ESO ISS AMBI TEMP 11.26
HIERARCH ESO ISS AMBI FWHM START 1.42
HIERARCH ESO ISS AMBI FWHM END 1.42