Exposure
ID
GRAVI.2025-06-24T05:46:40.257_1
Header ID
GRAVI.2025-06-24T05:46:40.257
Date updated
2025-06-24 06:00:41 UTC+0000
Release date
2025-06-24 05:46:40 UTC+0000
UTC Start
2025-06-24 05:46:40.257
UTC End
2025-06-24 05:49:52.257
MJD Start
60850.24074371
MJD End
60850.24296593222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.004401
Ambient temperature (°C)
11.16
Seeing (arcsec)
0.56
Observation
ID
68226
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
50709
Name
HD_168592
RA
275.57424
DEC
-38.65706
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 25.1900 25.2040 148.6000 149.1000
A0-D0 31.0190 30.9190 79.2000 79.7000
A0-C1 22.5990 22.5870 123.2610 123.8610
B2-D0 32.3570 32.2860 32.4000 32.8000
B2-C1 10.7780 10.7550 32.3690 32.7530
D0-C1 21.5780 21.5310 212.4350 212.8190
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 60850.24074371
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 168592
HIERARCH ESO INS SOBJ NAME HD_168592
RA 275.57424
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 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 25.19
HIERARCH ESO ISS PBL12 END 25.204
HIERARCH ESO ISS PBLA12 START 148.6
HIERARCH ESO ISS PBLA12 END 149.1
HIERARCH ESO ISS PBL13 START 31.019
HIERARCH ESO ISS PBL13 END 30.919
HIERARCH ESO ISS PBLA13 START 79.2
HIERARCH ESO ISS PBLA13 END 79.7
HIERARCH ESO ISS PBL14 START 22.599
HIERARCH ESO ISS PBL14 END 22.587
HIERARCH ESO ISS PBLA14 START 123.261
HIERARCH ESO ISS PBLA14 END 123.861
HIERARCH ESO ISS PBL23 START 32.357
HIERARCH ESO ISS PBL23 END 32.286
HIERARCH ESO ISS PBLA23 START 32.4
HIERARCH ESO ISS PBLA23 END 32.8
HIERARCH ESO ISS PBL24 START 10.778
HIERARCH ESO ISS PBL24 END 10.755
HIERARCH ESO ISS PBLA24 START 32.369
HIERARCH ESO ISS PBLA24 END 32.753
HIERARCH ESO ISS PBL34 START 21.578
HIERARCH ESO ISS PBL34 END 21.531
HIERARCH ESO ISS PBLA34 START 212.435
HIERARCH ESO ISS PBLA34 END 212.819
HIERARCH ESO ISS AMBI TAU0 START 0.004562
HIERARCH ESO ISS AMBI TAU0 END 0.00424
HIERARCH ESO ISS AMBI TEMP 11.16
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.57