Exposure
ID
GRAVI.2025-05-26T04:26:05.300_1
Header ID
GRAVI.2025-05-26T04:26:05.300
Date updated
2025-05-26 04:36:02 UTC+0000
Release date
2025-05-26 04:26:05 UTC+0000
UTC Start
2025-05-26 04:26:05.300
UTC End
2025-05-26 04:28:45.300
MJD Start
60821.18478356
MJD End
60821.186635411854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.004046
Ambient temperature (°C)
11.71
Seeing (arcsec)
0.665
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 81.5210 81.9390 103.0000 103.3000
A0-J2 117.7010 118.2690 77.4000 77.8000
A0-K0 120.7360 121.1130 54.4810 54.9900
G1-J2 56.5080 56.6050 38.8000 39.3000
G1-K0 90.4300 90.4370 12.0200 12.4230
J2-K0 47.4080 47.4500 339.5270 339.7750
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 60821.18478356
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 81.521
HIERARCH ESO ISS PBL12 END 81.939
HIERARCH ESO ISS PBLA12 START 103.0
HIERARCH ESO ISS PBLA12 END 103.3
HIERARCH ESO ISS PBL13 START 117.701
HIERARCH ESO ISS PBL13 END 118.269
HIERARCH ESO ISS PBLA13 START 77.4
HIERARCH ESO ISS PBLA13 END 77.8
HIERARCH ESO ISS PBL14 START 120.736
HIERARCH ESO ISS PBL14 END 121.113
HIERARCH ESO ISS PBLA14 START 54.481
HIERARCH ESO ISS PBLA14 END 54.99
HIERARCH ESO ISS PBL23 START 56.508
HIERARCH ESO ISS PBL23 END 56.605
HIERARCH ESO ISS PBLA23 START 38.8
HIERARCH ESO ISS PBLA23 END 39.3
HIERARCH ESO ISS PBL24 START 90.43
HIERARCH ESO ISS PBL24 END 90.437
HIERARCH ESO ISS PBLA24 START 12.02
HIERARCH ESO ISS PBLA24 END 12.423
HIERARCH ESO ISS PBL34 START 47.408
HIERARCH ESO ISS PBL34 END 47.45
HIERARCH ESO ISS PBLA34 START 339.527
HIERARCH ESO ISS PBLA34 END 339.775
HIERARCH ESO ISS AMBI TAU0 START 0.003836
HIERARCH ESO ISS AMBI TAU0 END 0.004256
HIERARCH ESO ISS AMBI TEMP 11.71
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.68