Exposure
ID
GRAVI.2025-05-22T05:04:37.371_1
Header ID
GRAVI.2025-05-22T05:04:37.371
Date updated
2025-05-22 05:15:54 UTC+0000
Release date
2026-05-22 05:15:54 UTC+0000
UTC Start
2025-05-22 05:04:37.371
UTC End
2025-05-22 05:07:17.371
MJD Start
60817.21154365
MJD End
60817.21339550186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.007862000000000001
Ambient temperature (°C)
14.77
Seeing (arcsec)
0.4
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 65.9150 66.1030 261.0000 261.5000
K0-D0 94.3200 94.4820 240.5000 241.0000
K0-J3 54.2490 54.3460 325.0880 325.3600
G2-D0 39.9860 39.9840 205.1000 205.5000
G2-J3 64.4750 64.4850 31.8920 32.3260
D0-J3 104.2880 104.2960 29.2970 29.7240
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 60817.21154365
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 65.915
HIERARCH ESO ISS PBL12 END 66.103
HIERARCH ESO ISS PBLA12 START 261.0
HIERARCH ESO ISS PBLA12 END 261.5
HIERARCH ESO ISS PBL13 START 94.32
HIERARCH ESO ISS PBL13 END 94.482
HIERARCH ESO ISS PBLA13 START 240.5
HIERARCH ESO ISS PBLA13 END 241.0
HIERARCH ESO ISS PBL14 START 54.249
HIERARCH ESO ISS PBL14 END 54.346
HIERARCH ESO ISS PBLA14 START 325.088
HIERARCH ESO ISS PBLA14 END 325.36
HIERARCH ESO ISS PBL23 START 39.986
HIERARCH ESO ISS PBL23 END 39.984
HIERARCH ESO ISS PBLA23 START 205.1
HIERARCH ESO ISS PBLA23 END 205.5
HIERARCH ESO ISS PBL24 START 64.475
HIERARCH ESO ISS PBL24 END 64.485
HIERARCH ESO ISS PBLA24 START 31.892
HIERARCH ESO ISS PBLA24 END 32.326
HIERARCH ESO ISS PBL34 START 104.288
HIERARCH ESO ISS PBL34 END 104.296
HIERARCH ESO ISS PBLA34 START 29.297
HIERARCH ESO ISS PBLA34 END 29.724
HIERARCH ESO ISS AMBI TAU0 START 0.006928
HIERARCH ESO ISS AMBI TAU0 END 0.008796
HIERARCH ESO ISS AMBI TEMP 14.77
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.37