Exposure
ID
GRAVI.2025-05-26T06:49:55.879_1
Header ID
GRAVI.2025-05-26T06:49:55.879
Date updated
2025-05-26 07:05:55 UTC+0000
Release date
2025-05-26 06:49:55 UTC+0000
UTC Start
2025-05-26 06:49:55.879
UTC End
2025-05-26 06:52:35.879
MJD Start
60821.28467453
MJD End
60821.28652638185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.003956
Ambient temperature (°C)
11.39
Seeing (arcsec)
0.625
Observation
ID
67590
Category
calibrator
Program ID
115.27VK.001
Program Title
UNVEILING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: THE VARIABILITY ACROSS THE MOLECULAR LAYERS AND THE PHOTOSPHERE
Program Type
Normal
PI / COI
JADLOVSKY / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / GONZÁLEZ-TORÀ / KRTICKA / PALADINI / HÖFNER / FREYTAG
Target
ID
50266
Name
HD_174328
RA
282.627562
DEC
-13.5723
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 90.4890 90.5040 113.9000 114.1000
A0-J2 128.5110 128.6730 91.2000 91.4000
A0-K0 126.1070 126.3550 69.4960 69.7190
G1-J2 57.0180 57.1340 53.4000 53.6000
G1-K0 88.2520 88.3520 23.6420 23.9700
J2-K0 47.9610 47.9390 347.5170 347.8180
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VK.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60821.28467453
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 174328
HIERARCH ESO INS SOBJ NAME HD_174328
RA 282.627562
DEC -13.5723
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
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
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 90.489
HIERARCH ESO ISS PBL12 END 90.504
HIERARCH ESO ISS PBLA12 START 113.9
HIERARCH ESO ISS PBLA12 END 114.1
HIERARCH ESO ISS PBL13 START 128.511
HIERARCH ESO ISS PBL13 END 128.673
HIERARCH ESO ISS PBLA13 START 91.2
HIERARCH ESO ISS PBLA13 END 91.4
HIERARCH ESO ISS PBL14 START 126.107
HIERARCH ESO ISS PBL14 END 126.355
HIERARCH ESO ISS PBLA14 START 69.496
HIERARCH ESO ISS PBLA14 END 69.719
HIERARCH ESO ISS PBL23 START 57.018
HIERARCH ESO ISS PBL23 END 57.134
HIERARCH ESO ISS PBLA23 START 53.4
HIERARCH ESO ISS PBLA23 END 53.6
HIERARCH ESO ISS PBL24 START 88.252
HIERARCH ESO ISS PBL24 END 88.352
HIERARCH ESO ISS PBLA24 START 23.642
HIERARCH ESO ISS PBLA24 END 23.97
HIERARCH ESO ISS PBL34 START 47.961
HIERARCH ESO ISS PBL34 END 47.939
HIERARCH ESO ISS PBLA34 START 347.517
HIERARCH ESO ISS PBLA34 END 347.818
HIERARCH ESO ISS AMBI TAU0 START 0.004073
HIERARCH ESO ISS AMBI TAU0 END 0.003839
HIERARCH ESO ISS AMBI TEMP 11.39
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.65