Exposure
ID
GRAVI.2025-06-17T06:39:55.745_1
Header ID
GRAVI.2025-06-17T06:39:55.745
Date updated
2025-06-17 06:51:09 UTC+0000
Release date
2026-06-17 06:51:08 UTC+0000
UTC Start
2025-06-17 06:39:55.745
UTC End
2025-06-17 06:42:35.745
MJD Start
60843.27772853
MJD End
60843.27958038186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.002097
Ambient temperature (°C)
7.06
Seeing (arcsec)
1.045
Observation
ID
68144
Category
science
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
50652
Name
CD-3411794
RA
263.707529
DEC
-34.27683
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 86.6370 86.4390 135.3000 135.8000
A0-J2 117.4660 116.9280 111.9000 112.4000
A0-K0 112.5710 111.9160 87.8220 88.2270
G1-J2 51.2190 50.9400 69.7000 70.0000
G1-K0 83.5670 83.3370 38.0480 38.2630
J2-K0 48.1430 48.1380 4.1360 4.4640
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VK.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60843.27772853
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME CD-34 11794
HIERARCH ESO INS SOBJ NAME CD-3411794
RA 263.707529
DEC -34.27683
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 86.637
HIERARCH ESO ISS PBL12 END 86.439
HIERARCH ESO ISS PBLA12 START 135.3
HIERARCH ESO ISS PBLA12 END 135.8
HIERARCH ESO ISS PBL13 START 117.466
HIERARCH ESO ISS PBL13 END 116.928
HIERARCH ESO ISS PBLA13 START 111.9
HIERARCH ESO ISS PBLA13 END 112.4
HIERARCH ESO ISS PBL14 START 112.571
HIERARCH ESO ISS PBL14 END 111.916
HIERARCH ESO ISS PBLA14 START 87.822
HIERARCH ESO ISS PBLA14 END 88.227
HIERARCH ESO ISS PBL23 START 51.219
HIERARCH ESO ISS PBL23 END 50.94
HIERARCH ESO ISS PBLA23 START 69.7
HIERARCH ESO ISS PBLA23 END 70.0
HIERARCH ESO ISS PBL24 START 83.567
HIERARCH ESO ISS PBL24 END 83.337
HIERARCH ESO ISS PBLA24 START 38.048
HIERARCH ESO ISS PBLA24 END 38.263
HIERARCH ESO ISS PBL34 START 48.143
HIERARCH ESO ISS PBL34 END 48.138
HIERARCH ESO ISS PBLA34 START 4.136
HIERARCH ESO ISS PBLA34 END 4.464
HIERARCH ESO ISS AMBI TAU0 START 0.002308
HIERARCH ESO ISS AMBI TAU0 END 0.001886
HIERARCH ESO ISS AMBI TEMP 7.06
HIERARCH ESO ISS AMBI FWHM START 0.96
HIERARCH ESO ISS AMBI FWHM END 1.13