Exposure
ID
GRAVI.2025-05-22T05:17:58.406_1
Header ID
GRAVI.2025-05-22T05:17:58.406
Date updated
2025-05-22 05:26:12 UTC+0000
Release date
2026-05-22 05:26:11 UTC+0000
UTC Start
2025-05-22 05:17:58.406
UTC End
2025-05-22 05:20:38.406
MJD Start
60817.22081488
MJD End
60817.222666731854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.008393000000000001
Ambient temperature (°C)
14.73
Seeing (arcsec)
0.37
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 66.7030 66.8570 263.0000 263.5000
K0-D0 94.9890 95.1150 242.6000 243.0000
K0-J3 54.6640 54.7490 326.3360 326.6140
G2-D0 39.9710 39.9640 207.0000 207.4000
G2-J3 64.5060 64.5070 33.8240 34.2370
D0-J3 104.2990 104.2940 31.1970 31.6040
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 60817.22081488
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 66.703
HIERARCH ESO ISS PBL12 END 66.857
HIERARCH ESO ISS PBLA12 START 263.0
HIERARCH ESO ISS PBLA12 END 263.5
HIERARCH ESO ISS PBL13 START 94.989
HIERARCH ESO ISS PBL13 END 95.115
HIERARCH ESO ISS PBLA13 START 242.6
HIERARCH ESO ISS PBLA13 END 243.0
HIERARCH ESO ISS PBL14 START 54.664
HIERARCH ESO ISS PBL14 END 54.749
HIERARCH ESO ISS PBLA14 START 326.336
HIERARCH ESO ISS PBLA14 END 326.614
HIERARCH ESO ISS PBL23 START 39.971
HIERARCH ESO ISS PBL23 END 39.964
HIERARCH ESO ISS PBLA23 START 207.0
HIERARCH ESO ISS PBLA23 END 207.4
HIERARCH ESO ISS PBL24 START 64.506
HIERARCH ESO ISS PBL24 END 64.507
HIERARCH ESO ISS PBLA24 START 33.824
HIERARCH ESO ISS PBLA24 END 34.237
HIERARCH ESO ISS PBL34 START 104.299
HIERARCH ESO ISS PBL34 END 104.294
HIERARCH ESO ISS PBLA34 START 31.197
HIERARCH ESO ISS PBLA34 END 31.604
HIERARCH ESO ISS AMBI TAU0 START 0.009695
HIERARCH ESO ISS AMBI TAU0 END 0.007091
HIERARCH ESO ISS AMBI TEMP 14.73
HIERARCH ESO ISS AMBI FWHM START 0.35
HIERARCH ESO ISS AMBI FWHM END 0.39