Exposure
ID
GRAVI.2025-05-28T04:37:29.180_1
Header ID
GRAVI.2025-05-28T04:37:29.180
Date updated
2025-05-28 04:51:01 UTC+0000
Release date
2025-05-28 04:37:29 UTC+0000
UTC Start
2025-05-28 04:37:29.180
UTC End
2025-05-28 04:40:09.180
MJD Start
60823.19269884
MJD End
60823.19455069186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.003724
Ambient temperature (°C)
12.88
Seeing (arcsec)
0.76
Observation
ID
67615
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
50286
Name
HD_158619
RA
262.944602
DEC
-33.70334
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 85.9570 86.2440 106.5000 106.9000
A0-J2 124.4000 124.7660 82.4000 82.8000
A0-K0 125.6200 125.8430 60.5170 60.9810
G1-J2 57.8440 57.8940 45.0000 45.5000
G1-K0 90.4010 90.3880 17.3460 17.7270
J2-K0 47.4920 47.5250 342.9110 343.1890
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 60823.19269884
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 158619
HIERARCH ESO INS SOBJ NAME HD_158619
RA 262.944602
DEC -33.70334
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 85.957
HIERARCH ESO ISS PBL12 END 86.244
HIERARCH ESO ISS PBLA12 START 106.5
HIERARCH ESO ISS PBLA12 END 106.9
HIERARCH ESO ISS PBL13 START 124.4
HIERARCH ESO ISS PBL13 END 124.766
HIERARCH ESO ISS PBLA13 START 82.4
HIERARCH ESO ISS PBLA13 END 82.8
HIERARCH ESO ISS PBL14 START 125.62
HIERARCH ESO ISS PBL14 END 125.843
HIERARCH ESO ISS PBLA14 START 60.517
HIERARCH ESO ISS PBLA14 END 60.981
HIERARCH ESO ISS PBL23 START 57.844
HIERARCH ESO ISS PBL23 END 57.894
HIERARCH ESO ISS PBLA23 START 45.0
HIERARCH ESO ISS PBLA23 END 45.5
HIERARCH ESO ISS PBL24 START 90.401
HIERARCH ESO ISS PBL24 END 90.388
HIERARCH ESO ISS PBLA24 START 17.346
HIERARCH ESO ISS PBLA24 END 17.727
HIERARCH ESO ISS PBL34 START 47.492
HIERARCH ESO ISS PBL34 END 47.525
HIERARCH ESO ISS PBLA34 START 342.911
HIERARCH ESO ISS PBLA34 END 343.189
HIERARCH ESO ISS AMBI TAU0 START 0.003499
HIERARCH ESO ISS AMBI TAU0 END 0.003949
HIERARCH ESO ISS AMBI TEMP 12.88
HIERARCH ESO ISS AMBI FWHM START 0.78
HIERARCH ESO ISS AMBI FWHM END 0.74