Exposure
ID
GRAVI.2025-06-20T04:38:33.334_1
Header ID
GRAVI.2025-06-20T04:38:33.334
Date updated
2025-06-20 04:51:08 UTC+0000
Release date
2026-06-20 04:51:08 UTC+0000
UTC Start
2025-06-20 04:38:33.334
UTC End
2025-06-20 04:41:45.334
MJD Start
60846.19344137
MJD End
60846.195663592225
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0034075
Ambient temperature (°C)
12.87
Seeing (arcsec)
0.9450000000000001
Observation
ID
68168
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
50673
Name
KW_Sgr
RA
268.00303
DEC
-28.02238
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 68.3450 68.3470 271.3000 271.8000
K0-D0 95.9710 95.9470 250.8000 251.2000
K0-J3 56.4730 56.4930 332.6360 333.0330
G2-D0 39.9470 39.9320 213.9000 214.3000
G2-J3 64.4570 64.4310 41.0960 41.5040
D0-J3 104.2130 104.1700 38.3610 38.7670
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 60846.19344137
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME V KW Sgr
HIERARCH ESO INS SOBJ NAME KW_Sgr
RA 268.00303
DEC -28.02238
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 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 68.345
HIERARCH ESO ISS PBL12 END 68.347
HIERARCH ESO ISS PBLA12 START 271.3
HIERARCH ESO ISS PBLA12 END 271.8
HIERARCH ESO ISS PBL13 START 95.971
HIERARCH ESO ISS PBL13 END 95.947
HIERARCH ESO ISS PBLA13 START 250.8
HIERARCH ESO ISS PBLA13 END 251.2
HIERARCH ESO ISS PBL14 START 56.473
HIERARCH ESO ISS PBL14 END 56.493
HIERARCH ESO ISS PBLA14 START 332.636
HIERARCH ESO ISS PBLA14 END 333.033
HIERARCH ESO ISS PBL23 START 39.947
HIERARCH ESO ISS PBL23 END 39.932
HIERARCH ESO ISS PBLA23 START 213.9
HIERARCH ESO ISS PBLA23 END 214.3
HIERARCH ESO ISS PBL24 START 64.457
HIERARCH ESO ISS PBL24 END 64.431
HIERARCH ESO ISS PBLA24 START 41.096
HIERARCH ESO ISS PBLA24 END 41.504
HIERARCH ESO ISS PBL34 START 104.213
HIERARCH ESO ISS PBL34 END 104.17
HIERARCH ESO ISS PBLA34 START 38.361
HIERARCH ESO ISS PBLA34 END 38.767
HIERARCH ESO ISS AMBI TAU0 START 0.003495
HIERARCH ESO ISS AMBI TAU0 END 0.00332
HIERARCH ESO ISS AMBI TEMP 12.87
HIERARCH ESO ISS AMBI FWHM START 0.96
HIERARCH ESO ISS AMBI FWHM END 0.93