Exposure
ID
GRAVI.2025-05-23T06:18:04.375_1
Header ID
GRAVI.2025-05-23T06:18:04.375
Date updated
2025-05-23 06:31:20 UTC+0000
Release date
2025-05-23 06:18:04 UTC+0000
UTC Start
2025-05-23 06:18:04.375
UTC End
2025-05-23 06:21:16.375
MJD Start
60818.26255064
MJD End
60818.264772862225
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0047725
Ambient temperature (°C)
13.68
Seeing (arcsec)
0.595
Observation
ID
67544
Category
calibrator
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
50234
Name
HD_168592
RA
275.577088
DEC
-38.65706
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 67.5430 67.6690 264.8000 265.4000
K0-D0 95.8180 95.8750 244.8000 245.4000
K0-J3 54.1780 54.2870 327.3520 327.7500
G2-D0 39.6830 39.6510 209.4000 209.9000
G2-J3 64.2470 64.2010 36.2970 36.8210
D0-J3 103.7500 103.6720 33.6530 34.1680
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VK.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60818.26255064
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 168592
HIERARCH ESO INS SOBJ NAME HD_168592
RA 275.577088
DEC -38.65706
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 67.543
HIERARCH ESO ISS PBL12 END 67.669
HIERARCH ESO ISS PBLA12 START 264.8
HIERARCH ESO ISS PBLA12 END 265.4
HIERARCH ESO ISS PBL13 START 95.818
HIERARCH ESO ISS PBL13 END 95.875
HIERARCH ESO ISS PBLA13 START 244.8
HIERARCH ESO ISS PBLA13 END 245.4
HIERARCH ESO ISS PBL14 START 54.178
HIERARCH ESO ISS PBL14 END 54.287
HIERARCH ESO ISS PBLA14 START 327.352
HIERARCH ESO ISS PBLA14 END 327.75
HIERARCH ESO ISS PBL23 START 39.683
HIERARCH ESO ISS PBL23 END 39.651
HIERARCH ESO ISS PBLA23 START 209.4
HIERARCH ESO ISS PBLA23 END 209.9
HIERARCH ESO ISS PBL24 START 64.247
HIERARCH ESO ISS PBL24 END 64.201
HIERARCH ESO ISS PBLA24 START 36.297
HIERARCH ESO ISS PBLA24 END 36.821
HIERARCH ESO ISS PBL34 START 103.75
HIERARCH ESO ISS PBL34 END 103.672
HIERARCH ESO ISS PBLA34 START 33.653
HIERARCH ESO ISS PBLA34 END 34.168
HIERARCH ESO ISS AMBI TAU0 START 0.004352
HIERARCH ESO ISS AMBI TAU0 END 0.005193
HIERARCH ESO ISS AMBI TEMP 13.68
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.55