Exposure
ID
GRAVI.2025-05-27T04:26:53.772_1
Header ID
GRAVI.2025-05-27T04:26:53.772
Date updated
2025-05-27 04:40:56 UTC+0000
Release date
2025-05-27 04:26:53 UTC+0000
UTC Start
2025-05-27 04:26:53.772
UTC End
2025-05-27 04:29:33.772
MJD Start
60822.18534458
MJD End
60822.187196431856
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.002661
Ambient temperature (°C)
12.15
Seeing (arcsec)
0.705
Observation
ID
67585
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
50264
Name
HD_162415
RA
268.06838
DEC
-31.32825
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 82.1840 82.5860 103.5000 103.8000
A0-J2 118.6030 119.1500 78.1000 78.5000
A0-K0 121.3350 121.7000 55.2940 55.7970
G1-J2 56.6610 56.7550 39.6000 40.1000
G1-K0 90.4410 90.4470 12.6660 13.0680
J2-K0 47.4740 47.5140 339.9250 340.1780
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 60822.18534458
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 162415
HIERARCH ESO INS SOBJ NAME HD_162415
RA 268.06838
DEC -31.32825
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 82.184
HIERARCH ESO ISS PBL12 END 82.586
HIERARCH ESO ISS PBLA12 START 103.5
HIERARCH ESO ISS PBLA12 END 103.8
HIERARCH ESO ISS PBL13 START 118.603
HIERARCH ESO ISS PBL13 END 119.15
HIERARCH ESO ISS PBLA13 START 78.1
HIERARCH ESO ISS PBLA13 END 78.5
HIERARCH ESO ISS PBL14 START 121.335
HIERARCH ESO ISS PBL14 END 121.7
HIERARCH ESO ISS PBLA14 START 55.294
HIERARCH ESO ISS PBLA14 END 55.797
HIERARCH ESO ISS PBL23 START 56.661
HIERARCH ESO ISS PBL23 END 56.755
HIERARCH ESO ISS PBLA23 START 39.6
HIERARCH ESO ISS PBLA23 END 40.1
HIERARCH ESO ISS PBL24 START 90.441
HIERARCH ESO ISS PBL24 END 90.447
HIERARCH ESO ISS PBLA24 START 12.666
HIERARCH ESO ISS PBLA24 END 13.068
HIERARCH ESO ISS PBL34 START 47.474
HIERARCH ESO ISS PBL34 END 47.514
HIERARCH ESO ISS PBLA34 START 339.925
HIERARCH ESO ISS PBLA34 END 340.178
HIERARCH ESO ISS AMBI TAU0 START 0.002669
HIERARCH ESO ISS AMBI TAU0 END 0.002653
HIERARCH ESO ISS AMBI TEMP 12.15
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.72