Exposure
ID
GRAVI.2025-05-22T05:07:52.380_1
Header ID
GRAVI.2025-05-22T05:07:52.380
Date updated
2025-05-22 05:21:16 UTC+0000
Release date
2026-05-22 05:21:16 UTC+0000
UTC Start
2025-05-22 05:07:52.380
UTC End
2025-05-22 05:10:32.380
MJD Start
60817.21380069
MJD End
60817.215652541854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0081915
Ambient temperature (°C)
14.76
Seeing (arcsec)
0.38
Observation
ID
67517
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
50216
Name
CD-3411794
RA
263.710219
DEC
-34.27683
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 66.1230 66.3020 261.5000 262.0000
K0-D0 94.4990 94.6530 241.0000 241.5000
K0-J3 54.3560 54.4500 325.3930 325.6670
G2-D0 39.9840 39.9810 205.6000 206.0000
G2-J3 64.4860 64.4950 32.3750 32.8060
D0-J3 104.2960 104.3010 29.7730 30.1960
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 60817.21380069
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME CD-34 11794
HIERARCH ESO INS SOBJ NAME CD-3411794
RA 263.710219
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 66.123
HIERARCH ESO ISS PBL12 END 66.302
HIERARCH ESO ISS PBLA12 START 261.5
HIERARCH ESO ISS PBLA12 END 262.0
HIERARCH ESO ISS PBL13 START 94.499
HIERARCH ESO ISS PBL13 END 94.653
HIERARCH ESO ISS PBLA13 START 241.0
HIERARCH ESO ISS PBLA13 END 241.5
HIERARCH ESO ISS PBL14 START 54.356
HIERARCH ESO ISS PBL14 END 54.45
HIERARCH ESO ISS PBLA14 START 325.393
HIERARCH ESO ISS PBLA14 END 325.667
HIERARCH ESO ISS PBL23 START 39.984
HIERARCH ESO ISS PBL23 END 39.981
HIERARCH ESO ISS PBLA23 START 205.6
HIERARCH ESO ISS PBLA23 END 206.0
HIERARCH ESO ISS PBL24 START 64.486
HIERARCH ESO ISS PBL24 END 64.495
HIERARCH ESO ISS PBLA24 START 32.375
HIERARCH ESO ISS PBLA24 END 32.806
HIERARCH ESO ISS PBL34 START 104.296
HIERARCH ESO ISS PBL34 END 104.301
HIERARCH ESO ISS PBLA34 START 29.773
HIERARCH ESO ISS PBLA34 END 30.196
HIERARCH ESO ISS AMBI TAU0 START 0.008796
HIERARCH ESO ISS AMBI TAU0 END 0.007587
HIERARCH ESO ISS AMBI TEMP 14.76
HIERARCH ESO ISS AMBI FWHM START 0.37
HIERARCH ESO ISS AMBI FWHM END 0.39